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Dyne Therapeutics (DYN) Institutional Ownership

Dyne Therapeutics logo
$24.28 -0.67 (-2.69%)
As of 09/4/2026 04:00 PM Eastern
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Institutional Ownership Changes (13F Filings) for Dyne Therapeutics (NASDAQ:DYN)

Current
Institutional Ownership
Percentage
96.68%
Number of
Institutional Buyers
(last 12 months)
156
Total
Institutional Inflows
(last 12 months)
$1.90B
Number of
Institutional Sellers
(last 12 months)
50
Total
Institutional Outflows
(last 12 months)
$374.73M
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DYN Institutional Buying and Selling by Quarter

Dyne Therapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/24/2026 California State Teachers Retirement System3,001,615$66.67M0.0%+2,049.2%1.607%
8/21/2026 Atlas Venture Life Science Advisors LLC6,800,099$151.03M17.1%-25.5%3.641%
8/21/2026 Braidwell LP921,598$20.47M0.8%-45.2%0.493%
8/21/2026 Nykredit A S5,102$113K0.0%N/A0.003%
8/20/2026 Moore Capital Management LP305,794$6.79M0.1%+288.2%0.164%
8/20/2026 Two Sigma Securities LLC10,015$222K0.0%N/A0.005%
8/20/2026 Alyeska Investment Group L.P.245,278$5.45M0.0%N/A0.131%
8/20/2026 Flputnam Investment Management Co.52,975$1.18M0.0%N/A0.028%
8/19/2026 UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC269,985$6.00M0.0%+12.8%0.145%
8/19/2026 Wellington Management Group LLP52,427$1.16M0.0%+7.3%0.028%
8/18/2026 Palo Alto Investors LP1,647,521$36.59M0.0%N/A0.882%
8/17/2026 Bank of America Corp DE2,233,398$49.60M0.0%N/A1.196%
8/15/2026 Jupiter Topco LLC11,997,738$266.63M0.1%N/A6.424%
8/14/2026 ADAR1 Capital Management LLC42,821$951K0.0%N/A0.023%
8/14/2026 University of Wisconsin Foundation313,559$6.96M5.5%N/A0.168%
8/14/2026 Legal & General Group Plc97,940$2.18M0.0%N/A0.052%
8/14/2026 The Manufacturers Life Insurance Company78,622$1.75M0.0%N/A0.042%
8/14/2026 Algert Global LLC506,273$11.24M0.1%+11.4%0.271%
8/13/2026 Cibc World Market Inc.75,783$1.68M0.0%N/A0.041%
8/11/2026 Keating Financial Advisory Services Inc.5,112$114K0.0%N/A0.003%
8/11/2026 Allworth Financial LP2,787$62K0.0%N/A0.001%
8/11/2026 E Fund Management Co. Ltd.16,230$360K0.0%N/A0.009%
8/7/2026 Aegis Wealth Management LLC150,030$3.33M1.6%N/A0.080%
8/7/2026 BlackRock Inc.12,404,330$275.50M0.0%N/A6.642%
8/7/2026 Deutsche Bank AG242,392$5.38M0.0%N/A0.130%
8/7/2026 Persistent Asset Partners Ltd5,569$124K0.0%N/A0.003%
8/6/2026 Flputnam Investment Management Co.52,975$1.18M0.0%N/A0.028%
8/6/2026 Bank of New York Mellon Corp409,801$9.10M0.0%N/A0.219%
7/10/2026 Handelsbanken Fonder AB53,200$1.18M0.0%N/A0.032%
5/29/2026 Perceptive Advisors LLC4,668,839$84.65M1.7%+34.2%2.824%
5/20/2026 Vivo Capital LLC1,557,466$28.24M2.3%-40.4%0.942%
5/19/2026 Bank of America Corp DE1,443,313$26.17M0.0%+63.5%0.873%
5/19/2026 Stempoint Capital LP506,075$9.18M1.7%-39.4%0.306%
5/19/2026Janus Henderson Group PLC13,647,376$247.43M0.1%-1.7%8.256%
5/18/2026 ADAR1 Capital Management LLC47,463$861K0.1%-9.9%0.029%
5/18/2026 California State Teachers Retirement System139,663$2.53M0.0%+15.6%0.084%
5/18/2026 Royal Bank of Canada68,188$1.24M0.0%+267.6%0.041%
5/18/2026 Rock Springs Capital Management LP972,198$17.63M1.0%+6.5%0.588%
5/16/2026 The Manufacturers Life Insurance Company63,850$1.16M0.0%-5.4%0.039%
5/16/2026 Quantinno Capital Management LP19,297$350K0.0%+53.2%0.012%
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5/16/2026 SummitTX Capital L.P.196,188$3.56M0.1%-19.4%0.119%
5/16/2026 Orbimed Advisors LLC2,917,884$52.90M1.0%+32.5%1.765%
5/14/2026 Renaissance Technologies LLC533,600$9.67M0.0%+13.4%0.323%
5/14/2026 Siren L.L.C.2,229,125$40.41M1.1%-36.4%1.348%
5/14/2026 Sei Investments Co.44,973$815K0.0%-23.5%0.027%
5/7/2026 Dimensional Fund Advisors LP951,589$17.24M0.0%+870.3%0.576%
5/7/2026 Swiss National Bank228,100$4.14M0.0%+2.5%0.138%
5/6/2026 Assetmark Inc.31,062$563K0.0%N/A0.019%
5/5/2026 Bank of New York Mellon Corp401,616$7.28M0.0%+13.6%0.243%
5/1/2026 Fifth Third Bancorp54,229$983K0.0%N/A0.033%
5/1/2026 Darwin Wealth Management LLC154,862$2.81M0.9%+34.4%0.094%
4/28/2026 Stephens Inc. AR10,118$183K0.0%N/A0.006%
4/27/2026 Y Intercept Hong Kong Ltd65,158$1.18M0.0%-81.0%0.039%
4/23/2026 Inspire Investing LLC9,303$169K0.0%N/A0.006%
4/22/2026 Pictet Asset Management Holding SA19,372$351K0.0%+49.4%0.012%
4/22/2026 Sterling Capital Management LLC3,281$59K0.0%-36.5%0.002%
4/21/2026 Wasatch Advisors LP443,668$8.04M0.1%+9.0%0.269%
4/20/2026 Hilton Head Capital Partners LLC1,446$26K0.0%N/A0.001%
4/16/2026 SG Americas Securities LLC112,626$2.04M0.0%-57.6%0.068%
3/17/2026 Rockefeller Capital Management L.P.14,268$279K0.0%+67.1%0.009%
2/26/2026 Seven Fleet Capital Management LP70,180$1.37M1.0%N/A0.049%
2/19/2026 T. Rowe Price Investment Management Inc.17,540,089$343.09M0.2%+523.7%12.281%
2/19/2026 Invesco Ltd.137,684$2.69M0.0%+17.1%0.096%
2/19/2026 Axxcess Wealth Management LLC113,818$2.23M0.0%N/A0.080%
2/18/2026 XTX Topco Ltd56,661$1.11M0.0%+93.9%0.040%
2/18/2026 Vestal Point Capital LP120,000$2.35M0.1%-95.7%0.084%
2/18/2026 Virtus Investment Advisers LLC13,806$270K0.1%+75.4%0.010%
2/18/2026 Wellington Management Group LLP47,096$921K0.0%+12.4%0.033%
2/18/2026 SummitTX Capital L.P.243,276$4.76M0.1%+83.1%0.170%
2/18/2026 Tudor Investment Corp ET AL147,621$2.89M0.0%N/A0.103%
2/18/2026 Sphera Funds Management LTD.392,894$7.69M1.5%-7.9%0.275%
2/18/2026 Orbimed Advisors LLC2,202,184$43.08M0.9%-4.8%1.542%
2/18/2026 Perceptive Advisors LLC3,478,944$68.05M1.2%+543.7%2.436%
2/18/2026 Millennium Management LLC904,389$17.69M0.0%+118.5%0.633%
2/18/2026Janus Henderson Group PLC13,887,722$271.60M0.1%-5.8%9.724%
2/18/2026 Engineers Gate Manager LP21,619$423K0.0%-79.0%0.015%
2/18/2026 Catalio Capital Management LP519,715$10.17M1.9%N/A0.364%
2/18/2026 Balyasny Asset Management L.P.432,986$8.47M0.0%N/A0.303%
2/18/2026 Baker BROS. Advisors LP813,449$15.91M0.1%N/A0.570%
2/18/2026 Armistice Capital LLC3,249,708$63.56M0.8%+6.1%2.275%
2/17/2026 Guggenheim Capital LLC11,071$217K0.0%-76.8%0.008%
2/17/2026 Logos Global Management LP1,250,000$24.45M1.5%-47.9%0.875%
2/17/2026 Burkehill Global Management LP155,000$3.03M0.2%+29.2%0.109%
2/17/2026 PDT Partners LLC182,986$3.58M0.2%-9.1%0.128%
2/17/2026 J. Goldman & Co LP46,010$900K0.0%N/A0.032%
2/17/2026 AQR Capital Management LLC70,659$1.38M0.0%-50.2%0.049%
2/17/2026 Braidwell LP1,478,329$28.92M0.9%-45.9%1.035%
2/17/2026 MPM Bioimpact LLC1,405,388$27.49M3.1%-2.8%0.984%
2/17/2026 Jain Global LLC162,047$3.17M0.0%-74.8%0.113%
2/17/2026 First Light Asset Management LLC155,231$3.04M0.2%N/A0.109%
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2/17/2026 ArrowMark Colorado Holdings LLC700,653$13.71M0.3%-10.8%0.491%
2/17/2026 Trexquant Investment LP100,645$1.97M0.0%-70.9%0.070%
2/17/2026 Orbis Allan Gray Ltd4,801,928$93.93M0.4%N/A3.362%
2/17/2026 Jump Financial LLC35,260$690K0.0%-64.7%0.025%
2/17/2026 Price T Rowe Associates Inc. MD2,323,789$45.45M0.0%+66.2%1.627%
2/17/2026 T. Rowe Price Investment Management Inc.2,870,568$56.15M0.1%+2.1%2.010%
2/17/2026 Rock Springs Capital Management LP912,955$17.86M0.9%+10.8%0.639%
2/17/2026 Adage Capital Partners GP L.L.C.5,172,000$101.16M0.2%+45.5%3.621%
2/17/2026 California State Teachers Retirement System120,800$2.36M0.0%+35.5%0.085%
2/17/2026 Russell Investments Group Ltd.232,013$4.54M0.0%+103.6%0.162%


DYN Institutional Ownership - Frequently Asked Questions

During the previous two years, 253 institutional investors and hedge funds held shares of Dyne Therapeutics. The most heavily invested institutionals were T. Rowe Price Investment Management Inc. ($343.09M), BlackRock Inc. ($275.50M), Jupiter Topco LLC ($266.63M), Janus Henderson Group PLC ($247.43M), Vanguard Group Inc. ($219.38M), FMR LLC ($188.41M), and Atlas Venture Life Science Advisors LLC ($151.03M).Learn more on Dyne Therapeutics' institutional investors.

96.68% of Dyne Therapeutics' stock is owned by institutional investors. Learn more on DYN's institutional investor holdings.

Of the 231 institutional investors that purchased Dyne Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: T. Rowe Price Investment Management Inc. ($15.95M), BlackRock Inc. ($12.40M), Jupiter Topco LLC ($12.00M), Adage Capital Partners GP L.L.C. ($4.81M), Orbis Allan Gray Ltd ($4.80M), Vanguard Group Inc. ($4.27M), and Perceptive Advisors LLC ($4.13M).

Institutional investors have bought a total of 100,696,920 shares in the last 24 months. This purchase volume represents approximately $1.90B in transactions.

Of the 50 institutional investors that sold Dyne Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Vestal Point Capital LP ($2.66M), Braidwell LP ($2.56M), Siren L.L.C. ($2.50M), Marshall Wace LLP ($2.34M), Atlas Venture Life Science Advisors LLC ($2.33M), Logos Global Management LP ($1.15M), and Janus Henderson Group PLC ($1.10M).

Institutional investors have sold a total of 19,504,793 shares in the last 24 months. This volume of shares sold represents approximately $374.73M in transactions.


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Institutional ownership data for NASDAQ:DYN is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/24/2026. New 13F filings are added each quarter as they're published.
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