Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Sandisk Corporation (NASDAQ:SNDK) as a newly added position. Sandisk Corporation (NASDAQ:SNDK) develops, manufactures, and sells data storage devices and solutions using NAND flash technology in the United States and internationally. On September 15, 2026, Sandisk Corporation (NASDAQ:SNDK) closed at $1,530.90 per share. Over the past month, Sandisk Corporation (NASDAQ:SNDK) declined 2.32%, but its shares are up 1,530.74% over the past year. Sandisk Corporation (NASDAQ:SNDK) has a market capitalization of $224.15 billion, and its stock has traded within a 52-week range of $90.22 to $2,354.39.
Parnassus Growth Equity Fund stated the following regarding Sandisk Corporation (NASDAQ:SNDK) in its Q2 2026 investor letter:
"Other positions added during the quarter included Sandisk Corporation (NASDAQ:SNDK), a leader in flash memory solutions; Comfort Systems, a mechanical, electrical and plumbing contractor. Sandisk makes NAND flash memory, which is seeing a surge in demand from data centers and AI workloads. While NAND remains cyclical, we believe the combination of accelerating AI-driven storage demand and constrained supply provides an attractive opportunity to participate in the current upcycle."
Sandisk Corporation (NASDAQ:SNDK) is on our list of the 40 Most Popular Stocks Among Hedge Funds. As per our database, 128 hedge fund portfolios held Sandisk Corporation (NASDAQ:SNDK) at the end of the second quarter which was 114 in the previous quarter. While we acknowledge the potential of Sandisk Corporation (NASDAQ:SNDK) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our fre

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Brown & Brown, Inc. (NYSE:BRO). Brown & Brown, Inc. (NYSE:BRO) is a leading insurance brokerage firm operating through Retail and Specialty Distribution segments. On September 15, 2026, Brown & Brown, Inc. (NYSE:BRO) closed at $67.23 per share, reflecting a market capitalization of $22.5 billion. Brown & Brown, Inc. (NYSE:BRO) posted a one‑month return of -6.29%, while its shares lost 27.35% over the past 52 weeks.
Parnassus Growth Equity Fund stated the following regarding Brown & Brown, Inc. (NYSE:BRO) in its Q2 2026 investor letter:
"We sold Brown & Brown Inc. during the quarter. Brown & Brown, Inc. (NYSE:BRO) remains a high-quality business, but we see rising near term risks as the company navigates an industry downturn, integrates a large acquisition and works to close an AI capability gap versus larger peers."
Brown & Brown, Inc. (NYSE:BRO) is not on our list of 40 Most Popular Stocks Among Hedge Funds Heading Into 2026. According to our database, 44 hedge fund portfolios held Brown & Brown, Inc. (NYSE:BRO) at the end of the second quarter, compared to 41 in the previous quarter. While we acknowledge the potential of Brown & Brown, Inc. (NYSE:BRO) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#quarter #letter

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Comfort Systems USA, Inc. (NYSE:FIX) as a new position. Comfort Systems USA, Inc. (NYSE:FIX) is a leading mechanical and electrical installation, renovation, maintenance, repair, and replacement services provider to commercial, industrial, and institutional customers. On September 15, 2026, Comfort Systems USA, Inc. (NYSE:FIX) closed at $1,576.78 per share. Over the past month, Comfort Systems USA, Inc. (NYSE:FIX) declined 5.15% and its shares gained 110.86% over the past 52 weeks. Comfort Systems USA, Inc. (NYSE:FIX) has a market capitalization of $55.49 billion.
Parnassus Growth Equity Fund stated the following regarding Comfort Systems USA, Inc. (NYSE:FIX) in its Q2 2026 investor letter:
"Other positions added during the quarter included Comfort Systems, a mechanical, electrical and plumbing contractor. Comfort Systems USA, Inc. (NYSE:FIX) is a mechanical, electrical and plumbing contractor that provides the skilled labor that's essential for building increasingly complex data centers, where demand continues to accelerate alongside AI investment."
Comfort Systems USA, Inc. (NYSE:FIX) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. As per our database, 83 hedge fund portfolios held Comfort Systems USA, Inc. (NYSE:FIX) at the end of the second quarter which was 80 in the previous quarter. While we acknowledge the potential of Comfort Systems USA, Inc. (NYSE:FIX) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#systems #parnassus

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Insmed Incorporated (NASDAQ:INSM). The Fund exited its position in Insmed Incorporated (NASDAQ:INSM), a clinical-stage biotechnology company that develops and commercializes therapies for patients with serious and rare diseases, during the quarter. On September 15, 2026, Insmed Incorporated (NASDAQ:INSM) closed at $119.92 per share. Over the past month, Insmed Incorporated (NASDAQ:INSM) declined 7.49%, but its shares are down 16.51% over the past year. Insmed Incorporated (NASDAQ:INSM) has a market capitalization of $26.19 billion, and its stock has traded within a 52-week range of $90.39 and $212.75.
Parnassus Growth Equity Fund stated the following regarding Insmed Incorporated (NASDAQ:INSM) in its Q2 2026 investor letter:
"Insmed Incorporated (NASDAQ:INSM)shares fell after sales of the biopharmaceutical company's new lung drug Brinsupri fell short of ****** ysts' expectations. We exited the position during the quarter. Insmed's thesis had largely played out following positive TPIP data and upward revisions to Brinsupri sales. We redeployed capital to Twist Bioscience, which offers a longer runway for growth."
Insmed Incorporated (NASDAQ:INSM) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. According to our database, 88 hedge fund portfolios held Insmed Incorporated (NASDAQ:INSM) at the end of the second quarter, compared to 67 in the previous quarter. While we acknowledge the potential of Insmed Incorporated (NASDAQ:INSM) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#Growth #parnassus

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Medline Inc. (NASDAQ:MDLN). Medline Inc. (NASDAQ:MDLN) manufactures med-surg products serving hospitals, surgery centers, physician offices, post-acute facilities, and nursing home sites of care. On September 15, 2026, Medline Inc. (NASDAQ:MDLN) closed at $36.59 per share. Over the past month, Medline Inc. (NASDAQ:MDLN) declined 4.23%, and YTD its shares lost 22.68%. Medline Inc. has a market capitalization of $42.22 billion.
Parnassus Growth Equity Fund stated the following regarding Medline Inc. (NASDAQ:MDLN) in its Q2 2026 investor letter:
"Medline Inc. (NASDAQ:MDLN) shares declined as medical technology stocks broadly came under pressure. The company also faced near term concerns surrounding tariffs and higher transportation costs, though we remain confident in its long-term competitive positioning."
Medline Inc. (NASDAQ:MDLN) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. As per our database, 52 hedge fund portfolios held Medline Inc. (NASDAQ:MDLN) at the end of the second quarter which was 65 in the previous quarter. While we acknowledge the potential of Medline Inc. (NASDAQ:MDLN) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#medline #NASDAQ #fund #parnassus

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Lumentum Holdings Inc. (NASDAQ:LITE). Lumentum Holdings Inc. (NASDAQ:LITE) is a leading technology company that manufactures and sells optical and photonic products. On September 15, 2026, Lumentum Holdings Inc. closed at $838.96 per share. Over the past month, Lumentum Holdings Inc. gained 6.57%, and its shares are up 439.98% over the past year. Lumentum Holdings Inc. has a market capitalization of $75.25 billion, and its stock has traded within a 52-week range of $144.52 to $1,085.68.
Parnassus Growth Equity Fund stated the following regarding Lumentum Holdings Inc. (NASDAQ:LITE) in its Q2 2026 investor letter:
"Lumentum Holdings Inc. (NASDAQ:LITE) offers exposure to a key bottleneck in AI infrastructure, optical networking, as rising data demand drives a shift away from copper-based systems. Its components enable faster, more efficient data transfer and benefit from strong competitive advantages, including deep technical expertise and high switching costs once embedded in customer platforms."
Lumentum Holdings Inc. (NASDAQ:LITE) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. According to our database, 111 hedge fund portfolios held Lumentum Holdings Inc. (NASDAQ:LITE) at the end of the second quarter, down from 123 in the previous quarter. While we acknowledge the potential of Lumentum Holdings Inc. (NASDAQ:LITE) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#Growth #fund #quarter #parnassus

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Twist Bioscience Corporation (NASDAQ:TWST) as a new addition. Twist Bioscience Corporation (NASDAQ:TWST) is a leading biotechnology company specializing in the manufacture and sale of synthetic DNA-based products. On September 15, 2026, Twist Bioscience Corporation (NASDAQ:TWST) closed at $138.10 per share. Over the past month, Twist Bioscience Corporation (NASDAQ:TWST) returned 2.97% while its shares gained 443.64% over the past 52 weeks. Twist Bioscience Corporation (NASDAQ:TWST) has a market capitalization of $9.09 billion and its stock has traded within a 52-week range of $23.30 and $155.44.
Parnassus Growth Equity Fund stated the following regarding Twist Bioscience Corporation (NASDAQ:TWST) in its Q2 2026 investor letter:
"During the quarter, we added Twist Bioscience Corporation (NASDAQ:TWST), a biotechnology company with a proprietary silicon-based DNA synthesis platform. Twist Bioscience provides exposure to two powerful long-term trends in Health Care, AI-supported drug discovery and next-generation sequencing. The company's proprietary silicon-based DNA synthesis platform enables higher throughput and lower costs than traditional methods, creating a durable competitive advantage and positioning Twist to take share in a growing market."
Twist Bioscience Corporation (NASDAQ:TWST) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. As per our database, 42 hedge fund portfolios held Twist Bioscience Corporation (NASDAQ:TWST) at the end of the second quarter which was 30 in the previous quarter. While we acknowledge the potential of Twist Bioscience Corporation (NASDAQ:TWST) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Brown & Brown, Inc. (NYSE:BRO). Brown & Brown, Inc. (NYSE:BRO) is a leading insurance brokerage firm operating through Retail and Specialty Distribution segments. On September 15, 2026, Brown & Brown, Inc. (NYSE:BRO) closed at $67.23 per share, reflecting a market capitalization of $22.5 billion. Brown & Brown, Inc. (NYSE:BRO) posted a one‑month return of -6.29%, while its shares lost 27.35% over the past 52 weeks.
Parnassus Growth Equity Fund stated the following regarding Brown & Brown, Inc. (NYSE:BRO) in its Q2 2026 investor letter:
"We sold Brown & Brown Inc. during the quarter. Brown & Brown, Inc. (NYSE:BRO) remains a high-quality business, but we see rising near term risks as the company navigates an industry downturn, integrates a large acquisition and works to close an AI capability gap versus larger peers."
Brown & Brown, Inc. (NYSE:BRO) is not on our list of 40 Most Popular Stocks Among Hedge Funds Heading Into 2026. According to our database, 44 hedge fund portfolios held Brown & Brown, Inc. (NYSE:BRO) at the end of the second quarter, compared to 41 in the previous quarter. While we acknowledge the potential of Brown & Brown, Inc. (NYSE:BRO) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#fund #letter

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Sandisk Corporation (NASDAQ:SNDK) as a newly added position. Sandisk Corporation (NASDAQ:SNDK) develops, manufactures, and sells data storage devices and solutions using NAND flash technology in the United States and internationally. On September 15, 2026, Sandisk Corporation (NASDAQ:SNDK) closed at $1,530.90 per share. Over the past month, Sandisk Corporation (NASDAQ:SNDK) declined 2.32%, but its shares are up 1,530.74% over the past year. Sandisk Corporation (NASDAQ:SNDK) has a market capitalization of $224.15 billion, and its stock has traded within a 52-week range of $90.22 to $2,354.39.
Parnassus Growth Equity Fund stated the following regarding Sandisk Corporation (NASDAQ:SNDK) in its Q2 2026 investor letter:
"Other positions added during the quarter included Sandisk Corporation (NASDAQ:SNDK), a leader in flash memory solutions; Comfort Systems, a mechanical, electrical and plumbing contractor. Sandisk makes NAND flash memory, which is seeing a surge in demand from data centers and AI workloads. While NAND remains cyclical, we believe the combination of accelerating AI-driven storage demand and constrained supply provides an attractive opportunity to participate in the current upcycle."
Sandisk Corporation (NASDAQ:SNDK) is on our list of the 40 Most Popular Stocks Among Hedge Funds. As per our database, 128 hedge fund portfolios held Sandisk Corporation (NASDAQ:SNDK) at the end of the second quarter which was 114 in the previous quarter. While we acknowledge the potential of Sandisk Corporation (NASDAQ:SNDK) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our fre

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Insmed Incorporated (NASDAQ:INSM). The Fund exited its position in Insmed Incorporated (NASDAQ:INSM), a clinical-stage biotechnology company that develops and commercializes therapies for patients with serious and rare diseases, during the quarter. On September 15, 2026, Insmed Incorporated (NASDAQ:INSM) closed at $119.92 per share. Over the past month, Insmed Incorporated (NASDAQ:INSM) declined 7.49%, but its shares are down 16.51% over the past year. Insmed Incorporated (NASDAQ:INSM) has a market capitalization of $26.19 billion, and its stock has traded within a 52-week range of $90.39 and $212.75.
Parnassus Growth Equity Fund stated the following regarding Insmed Incorporated (NASDAQ:INSM) in its Q2 2026 investor letter:
"Insmed Incorporated (NASDAQ:INSM)shares fell after sales of the biopharmaceutical company's new lung drug Brinsupri fell short of ******* ysts' expectations. We exited the position during the quarter. Insmed's thesis had largely played out following positive TPIP data and upward revisions to Brinsupri sales. We redeployed capital to Twist Bioscience, which offers a longer runway for growth."
Insmed Incorporated (NASDAQ:INSM) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. According to our database, 88 hedge fund portfolios held Insmed Incorporated (NASDAQ:INSM) at the end of the second quarter, compared to 67 in the previous quarter. While we acknowledge the potential of Insmed Incorporated (NASDAQ:INSM) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#Growth

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Comfort Systems USA, Inc. (NYSE:FIX) as a new position. Comfort Systems USA, Inc. (NYSE:FIX) is a leading mechanical and electrical installation, renovation, maintenance, repair, and replacement services provider to commercial, industrial, and institutional customers. On September 15, 2026, Comfort Systems USA, Inc. (NYSE:FIX) closed at $1,576.78 per share. Over the past month, Comfort Systems USA, Inc. (NYSE:FIX) declined 5.15% and its shares gained 110.86% over the past 52 weeks. Comfort Systems USA, Inc. (NYSE:FIX) has a market capitalization of $55.49 billion.
Parnassus Growth Equity Fund stated the following regarding Comfort Systems USA, Inc. (NYSE:FIX) in its Q2 2026 investor letter:
"Other positions added during the quarter included Comfort Systems, a mechanical, electrical and plumbing contractor. Comfort Systems USA, Inc. (NYSE:FIX) is a mechanical, electrical and plumbing contractor that provides the skilled labor that's essential for building increasingly complex data centers, where demand continues to accelerate alongside AI investment."
Comfort Systems USA, Inc. (NYSE:FIX) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. As per our database, 83 hedge fund portfolios held Comfort Systems USA, Inc. (NYSE:FIX) at the end of the second quarter which was 80 in the previous quarter. While we acknowledge the potential of Comfort Systems USA, Inc. (NYSE:FIX) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#NYSE #quarter

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Revolution Medicines, Inc. (NASDAQ:RVMD) as a new addition. Revolution Medicines, Inc. (NASDAQ:RVMD) is a clinical-stage precision oncology company that develops novel targeted therapies for RAS-addicted cancers. On September 15, 2026, Revolution Medicines, Inc. (NASDAQ:RVMD) closed at $204.86 per share. Over the past month, Revolution Medicines, Inc. (NASDAQ:RVMD) declined 6.53% and its shares gained 358.00% over the past 52 weeks. Revolution Medicines, Inc. (NASDAQ:RVMD) has a market capitalization of $43.91 billion.
Parnassus Growth Equity Fund stated the following regarding Revolution Medicines, Inc. (NASDAQ:RVMD) in its Q2 2026 investor letter:
"In the Health Care sector, we see compelling long-term idiosyncratic growth opportunities in drug discovery, diagnostics and medical innovation. During the quarter, we added Revolution Medicines, Inc. (NASDAQ:RVMD), developer of a promising new drug for pancreatic cancer. Revolution Medicines' lead drug candidate, daraxonrasib, has delivered strong late-stage clinical results in pancreatic cancer, with data suggesting it could become a new standard of care and support significant commercial potential, alongside additional opportunities in other cancers over time."
Revolution Medicines, Inc. (NASDAQ:RVMD) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. According to our database, 105 hedge fund portfolios held Revolution Medicines, Inc. (NASDAQ:RVMD) at the end of the second quarter, compared to 106 in the previous quarter. While we acknowledge the potential of Revolution Medicines, Inc. (NASDAQ:RVMD) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Tr

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Lumentum Holdings Inc. (NASDAQ:LITE). Lumentum Holdings Inc. (NASDAQ:LITE) is a leading technology company that manufactures and sells optical and photonic products. On September 15, 2026, Lumentum Holdings Inc. closed at $838.96 per share. Over the past month, Lumentum Holdings Inc. gained 6.57%, and its shares are up 439.98% over the past year. Lumentum Holdings Inc. has a market capitalization of $75.25 billion, and its stock has traded within a 52-week range of $144.52 to $1,085.68.
Parnassus Growth Equity Fund stated the following regarding Lumentum Holdings Inc. (NASDAQ:LITE) in its Q2 2026 investor letter:
"Lumentum Holdings Inc. (NASDAQ:LITE) offers exposure to a key bottleneck in AI infrastructure, optical networking, as rising data demand drives a shift away from copper-based systems. Its components enable faster, more efficient data transfer and benefit from strong competitive advantages, including deep technical expertise and high switching costs once embedded in customer platforms."
Lumentum Holdings Inc. (NASDAQ:LITE) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. According to our database, 111 hedge fund portfolios held Lumentum Holdings Inc. (NASDAQ:LITE) at the end of the second quarter, down from 123 in the previous quarter. While we acknowledge the potential of Lumentum Holdings Inc. (NASDAQ:LITE) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#lumentum #lite #Growth #investor

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Medline Inc. (NASDAQ:MDLN). Medline Inc. (NASDAQ:MDLN) manufactures med-surg products serving hospitals, surgery centers, physician offices, post-acute facilities, and nursing home sites of care. On September 15, 2026, Medline Inc. (NASDAQ:MDLN) closed at $36.59 per share. Over the past month, Medline Inc. (NASDAQ:MDLN) declined 4.23%, and YTD its shares lost 22.68%. Medline Inc. has a market capitalization of $42.22 billion.
Parnassus Growth Equity Fund stated the following regarding Medline Inc. (NASDAQ:MDLN) in its Q2 2026 investor letter:
"Medline Inc. (NASDAQ:MDLN) shares declined as medical technology stocks broadly came under pressure. The company also faced near term concerns surrounding tariffs and higher transportation costs, though we remain confident in its long-term competitive positioning."
Medline Inc. (NASDAQ:MDLN) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. As per our database, 52 hedge fund portfolios held Medline Inc. (NASDAQ:MDLN) at the end of the second quarter which was 65 in the previous quarter. While we acknowledge the potential of Medline Inc. (NASDAQ:MDLN) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#medline #fund

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Twist Bioscience Corporation (NASDAQ:TWST) as a new addition. Twist Bioscience Corporation (NASDAQ:TWST) is a leading biotechnology company specializing in the manufacture and sale of synthetic DNA-based products. On September 15, 2026, Twist Bioscience Corporation (NASDAQ:TWST) closed at $138.10 per share. Over the past month, Twist Bioscience Corporation (NASDAQ:TWST) returned 2.97% while its shares gained 443.64% over the past 52 weeks. Twist Bioscience Corporation (NASDAQ:TWST) has a market capitalization of $9.09 billion and its stock has traded within a 52-week range of $23.30 and $155.44.
Parnassus Growth Equity Fund stated the following regarding Twist Bioscience Corporation (NASDAQ:TWST) in its Q2 2026 investor letter:
"During the quarter, we added Twist Bioscience Corporation (NASDAQ:TWST), a biotechnology company with a proprietary silicon-based DNA synthesis platform. Twist Bioscience provides exposure to two powerful long-term trends in Health Care, AI-supported drug discovery and next-generation sequencing. The company's proprietary silicon-based DNA synthesis platform enables higher throughput and lower costs than traditional methods, creating a durable competitive advantage and positioning Twist to take share in a growing market."
Twist Bioscience Corporation (NASDAQ:TWST) is not on our list of the 40 Most Popular Stocks Among Hedge Funds. As per our database, 42 hedge fund portfolios held Twist Bioscience Corporation (NASDAQ:TWST) at the end of the second quarter which was 30 in the previous quarter. While we acknowledge the potential of Twist Bioscience Corporation (NASDAQ:TWST) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands

Parnassus Investments, an investment management company, released the "Parnassus Growth Equity Fund" second-quarter 2026 investor letter. The letter can be downloaded here. During the quarter, the Fund (Investor Shares) returned 17.49% (net of fees), outperforming the Russell 1000 Growth Index's 16.74%. Holdings in Information Technology and Consumer Discretionary sectors boosted relative returns, while Communication Services and Financials holdings detracted. For the year-to-date period, the Fund returned 6.17% (net of fees), outperforming the Russell 1000 Growth's 5.33%. The firm remains constructively bullish on U.S. equities and continues to be selective, valuation-sensitive, and focused on disruptive growth opportunities through active stock selection. Growth stocks advanced during the second quarter, as the Russell 1000 Growth Index generated strong double-digit returns driven by increased confidence in the durability of the ongoing artificial intelligence (AI) infrastructure build-out. Additionally, reviewing the Fund's top five holdings could help identify its best picks for 2026.
In its second-quarter 2026 investor letter, Parnassus Growth Equity Fund highlighted Netflix, Inc. (NASDAQ:NFLX). Netflix, Inc., a leading subscription-based streaming entertainment platform, detracted from the fund's performance during the quarter. On September 15, 2026, Netflix, Inc. closed at $77.90 per share, reflecting a market capitalization of $324.37 billion. Netflix, Inc. posted a one‑month return of -3.50%, while its shares lost 36.99% over the past 52 weeks.
Parnassus Growth Equity Fund stated the following regarding Netflix, Inc. (NASDAQ:NFLX) in its Q2 2026 investor letter:
"Netflix, Inc. (NASDAQ:NFLX) reported solid first-quarter results, but company management did not raise revenue guidance for the full year, disappointing some investors. Cofounder Reed Hastings announced plans to step down from the board, which may have further weighed on shares."
Netflix, Inc. (NASDAQ:NFLX) ranks 13 on our list of 40 Most Popular Stocks Among Hedge Funds Heading Into 2026. According to our database, 121 hedge fund portfolios held Netflix, Inc. (NASDAQ:NFLX) at the end of the second quarter, down from 144 in the previous quarter. While we acknowledge the potential of Netflix, Inc. (NASDAQ:NFLX) as an investment, we believe certain AI stocks offer greater upside potential and carry less downside risk. If you're looking for an extremely undervalued AI stock that also stands to benefit significantly from Trump-era tariffs and the onshoring trend, see our free report on the best short-term AI stock.

#Growth #investor