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Dyne Therapeutics (DYN) Institutional Ownership

Dyne Therapeutics logo
$14.25 -1.04 (-6.80%)
Closing price 04:00 PM Eastern
Extended Trading
$14.40 +0.15 (+1.02%)
As of 07:30 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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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)
157
Total
Institutional Inflows
(last 12 months)
$1.84B
Number of
Institutional Sellers
(last 12 months)
50
Total
Institutional Outflows
(last 12 months)
$386.59M
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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
10/9/2026GAMMA Investing LLC1,882$30K0.0%+63.2%0.001%
9/9/2026NewEdge Advisors LLC13,522$300K0.0%N/A0.007%
9/9/2026Squarepoint Ops LLC300,074$6.67M0.0%-64.0%0.161%
9/8/2026Nykredit A S5,102$113K0.0%N/A0.003%
8/21/2026Atlas Venture Life Science Advisors LLC6,800,099$151.03M17.1%-25.5%3.641%
8/21/2026Braidwell LP921,598$20.47M0.8%-45.2%0.493%
8/21/2026Nykredit A S5,102$113K0.0%N/A0.003%
8/20/2026Moore Capital Management LP305,794$6.79M0.1%+288.2%0.164%
8/20/2026Two Sigma Securities LLC10,015$222K0.0%N/A0.005%
8/20/2026Alyeska Investment Group L.P.245,278$5.45M0.0%N/A0.131%
8/20/2026Flputnam Investment Management Co.52,975$1.18M0.0%N/A0.028%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC269,985$6.00M0.0%+12.8%0.145%
8/19/2026Wellington Management Group LLP52,427$1.16M0.0%+7.3%0.028%
8/18/2026Palo Alto Investors LP1,647,521$36.59M0.0%N/A0.882%
8/17/2026Bank of America Corp DE2,233,398$49.60M0.0%N/A1.196%
8/15/2026Jupiter Topco LLC11,997,738$266.63M0.1%N/A6.424%
8/14/2026ADAR1 Capital Management LLC42,821$951K0.0%N/A0.023%
8/14/2026University of Wisconsin Foundation313,559$6.96M5.5%N/A0.168%
8/14/2026Legal & General Group Plc97,940$2.18M0.0%N/A0.052%
8/14/2026The Manufacturers Life Insurance Company78,622$1.75M0.0%N/A0.042%
8/14/2026Algert Global LLC506,273$11.24M0.1%+11.4%0.271%
8/13/2026Cibc World Market Inc.75,783$1.68M0.0%N/A0.041%
8/11/2026Keating Financial Advisory Services Inc.5,112$114K0.0%N/A0.003%
8/11/2026Allworth Financial LP2,787$62K0.0%N/A0.001%
8/11/2026E Fund Management Co. Ltd.16,230$360K0.0%N/A0.009%
8/7/2026Aegis Wealth Management LLC150,030$3.33M1.6%N/A0.080%
8/7/2026BlackRock Inc.12,404,330$275.50M0.0%N/A6.642%
8/7/2026Deutsche Bank AG242,392$5.38M0.0%N/A0.130%
8/7/2026Persistent Asset Partners Ltd5,569$124K0.0%N/A0.003%
8/6/2026Flputnam Investment Management Co.52,975$1.18M0.0%N/A0.028%
8/6/2026Bank of New York Mellon Corp409,801$9.10M0.0%N/A0.219%
7/10/2026Handelsbanken Fonder AB53,200$1.18M0.0%N/A0.032%
5/29/2026Perceptive Advisors LLC4,668,839$84.65M1.7%+34.2%2.824%
5/20/2026Vivo Capital LLC1,557,466$28.24M2.3%-40.4%0.942%
5/19/2026Bank of America Corp DE1,443,313$26.17M0.0%+63.5%0.873%
5/19/2026Stempoint 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%
5/18/2026ADAR1 Capital Management LLC47,463$861K0.1%-9.9%0.029%
5/18/2026California State Teachers Retirement System139,663$2.53M0.0%+15.6%0.084%
5/18/2026Royal Bank of Canada68,188$1.24M0.0%+267.6%0.041%
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5/18/2026Rock Springs Capital Management LP972,198$17.63M1.0%+6.5%0.588%
5/16/2026The Manufacturers Life Insurance Company63,850$1.16M0.0%-5.4%0.039%
5/16/2026Quantinno Capital Management LP19,297$350K0.0%+53.2%0.012%
5/16/2026SummitTX Capital L.P.196,188$3.56M0.1%-19.4%0.119%
5/16/2026Orbimed Advisors LLC2,917,884$52.90M1.0%+32.5%1.765%
5/14/2026Renaissance Technologies LLC533,600$9.67M0.0%+13.4%0.323%
5/14/2026Siren L.L.C.2,229,125$40.41M1.1%-36.4%1.348%
5/14/2026Sei Investments Co.44,973$815K0.0%-23.5%0.027%
5/7/2026Dimensional Fund Advisors LP951,589$17.24M0.0%+870.3%0.576%
5/7/2026Swiss National Bank228,100$4.14M0.0%+2.5%0.138%
5/6/2026Assetmark Inc.31,062$563K0.0%N/A0.019%
5/5/2026Bank of New York Mellon Corp401,616$7.28M0.0%+13.6%0.243%
5/1/2026Fifth Third Bancorp54,229$983K0.0%N/A0.033%
5/1/2026Darwin Wealth Management LLC154,862$2.81M0.9%+34.4%0.094%
4/28/2026Stephens Inc. AR10,118$183K0.0%N/A0.006%
4/27/2026Y Intercept Hong Kong Ltd65,158$1.18M0.0%-81.0%0.039%
4/23/2026Inspire Investing LLC9,303$169K0.0%N/A0.006%
4/22/2026Pictet Asset Management Holding SA19,372$351K0.0%+49.4%0.012%
4/22/2026Sterling Capital Management LLC3,281$59K0.0%-36.5%0.002%
4/21/2026Wasatch Advisors LP443,668$8.04M0.1%+9.0%0.269%
4/20/2026Hilton Head Capital Partners LLC1,446$26K0.0%N/A0.001%
4/16/2026SG Americas Securities LLC112,626$2.04M0.0%-57.6%0.068%
3/17/2026Rockefeller Capital Management L.P.14,268$279K0.0%+67.1%0.009%
2/26/2026Seven Fleet Capital Management LP70,180$1.37M1.0%N/A0.049%
2/19/2026T. Rowe Price Investment Management Inc.17,540,089$343.09M0.2%+523.7%12.281%
2/19/2026Invesco Ltd.137,684$2.69M0.0%+17.1%0.096%
2/19/2026Axxcess Wealth Management LLC113,818$2.23M0.0%N/A0.080%
2/18/2026XTX Topco Ltd56,661$1.11M0.0%+93.9%0.040%
2/18/2026Vestal Point Capital LP120,000$2.35M0.1%-95.7%0.084%
2/18/2026Virtus Investment Advisers LLC13,806$270K0.1%+75.4%0.010%
2/18/2026Wellington Management Group LLP47,096$921K0.0%+12.4%0.033%
2/18/2026SummitTX Capital L.P.243,276$4.76M0.1%+83.1%0.170%
2/18/2026Tudor Investment Corp ET AL147,621$2.89M0.0%N/A0.103%
2/18/2026Sphera Funds Management LTD.392,894$7.69M1.5%-7.9%0.275%
2/18/2026Orbimed Advisors LLC2,202,184$43.08M0.9%-4.8%1.542%
2/18/2026Perceptive Advisors LLC3,478,944$68.05M1.2%+543.7%2.436%
2/18/2026Millennium 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%
2/18/2026Engineers Gate Manager LP21,619$423K0.0%-79.0%0.015%
2/18/2026Catalio Capital Management LP519,715$10.17M1.9%N/A0.364%
2/18/2026Balyasny Asset Management L.P.432,986$8.47M0.0%N/A0.303%
2/18/2026Baker BROS. Advisors LP813,449$15.91M0.1%N/A0.570%
2/18/2026Armistice Capital LLC3,249,708$63.56M0.8%+6.1%2.275%
2/17/2026Guggenheim Capital LLC11,071$217K0.0%-76.8%0.008%
2/17/2026Logos Global Management LP1,250,000$24.45M1.5%-47.9%0.875%
2/17/2026Burkehill Global Management LP155,000$3.03M0.2%+29.2%0.109%
2/17/2026PDT Partners LLC182,986$3.58M0.2%-9.1%0.128%
2/17/2026J. Goldman & Co LP46,010$900K0.0%N/A0.032%
2/17/2026AQR Capital Management LLC70,659$1.38M0.0%-50.2%0.049%
2/17/2026Braidwell LP1,478,329$28.92M0.9%-45.9%1.035%
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2/17/2026MPM Bioimpact LLC1,405,388$27.49M3.1%-2.8%0.984%
2/17/2026Jain Global LLC162,047$3.17M0.0%-74.8%0.113%
2/17/2026First Light Asset Management LLC155,231$3.04M0.2%N/A0.109%
2/17/2026ArrowMark Colorado Holdings LLC700,653$13.71M0.3%-10.8%0.491%
2/17/2026Trexquant Investment LP100,645$1.97M0.0%-70.9%0.070%
2/17/2026Orbis Allan Gray Ltd4,801,928$93.93M0.4%N/A3.362%
2/17/2026Jump Financial LLC35,260$690K0.0%-64.7%0.025%
2/17/2026Price T Rowe Associates Inc. MD2,323,789$45.45M0.0%+66.2%1.627%
2/17/2026T. Rowe Price Investment Management Inc.2,870,568$56.15M0.1%+2.1%2.010%
2/17/2026Rock Springs Capital Management LP912,955$17.86M0.9%+10.8%0.639%


DYN Institutional Ownership - Frequently Asked Questions

During the previous two years, 254 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 232 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 97,807,933 shares in the last 24 months. This purchase volume represents approximately $1.84B 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 20,038,895 shares in the last 24 months. This volume of shares sold represents approximately $386.59M in transactions.


Related Companies

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 10/9/2026. New 13F filings are added each quarter as they're published.
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