Dyne Therapeutics, Inc.
DYN- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001818794
In the last 90 days, Dyne Therapeutics, Inc. insiders filed 0 open-market purchases and 10 sales; 245 institutions reported holding it in 13F filings for Q2 2026, worth $4.23B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Dyne Therapeutics, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 245
- +20 vs. Q1 2026
- Shares held
- 190.6M
- +16.5M (+9.4%) vs. Q1 2026
- Total value
- $4.23B
- +$1.08B (+34.1%) vs. Q1 2026
- New holders
- 48
- 89 more added
- Sold out
- 28
- 76 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting DYN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 245 | $4.23B |
| Q1 2026 | 228 | $3.40B |
| Q4 2025 | 233 | $3.48B |
| Q3 2025 | 207 | $1.97B |
| Q2 2025 | 198 | $1.22B |
| Q1 2025 | 205 | $1.29B |
| Q4 2024 | 200 | $2.63B |
| Q3 2024 | 200 | $4.03B |
| Q2 2024 | 193 | $3.92B |
| Q1 2024 | 169 | $2.71B |
| Q4 2023 | 124 | $930.0M |
| Q3 2023 | 114 | $536.6M |
| Q2 2023 | 118 | $665.9M |
| Q1 2023 | 127 | $628.7M |
| Q4 2022 | 113 | $576.2M |
| Q3 2022 | 102 | $565.8M |
| Q2 2022 | 90 | $320.7M |
| Q1 2022 | 94 | $456.6M |
| Q4 2021 | 93 | $568.3M |
| Q3 2021 | 83 | $572.8M |
| Q2 2021 | 76 | $753.4M |
| Q1 2021 | 75 | $533.3M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Dyne Therapeutics, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Baker Bros. Advisors LP | 813,449 | $18.1M | 0.09% | 00.0% | Unchanged |
| Frontier Capital Management Co LLC | 874,138 | $19.4M | 0.18% | +52,289+6.4% | Added |
| Braidwell LP | 921,598 | $20.5M | 0.76% | −760,400−45.2% | Reduced |
| Rock Springs Capital Management LP | 942,154 | $20.9M | 1.02% | −30,044−3.1% | Reduced |
| Novo Holdings A/S | 960,394 | $21.3M | 1.24% | +960,394 | New |
| Vanguard Fiduciary Trust Co | 988,949 | $22.0M | 0.00% | +41,511+4.4% | Added |
| Saturn V Capital Management LLC | 1,057,493 | $23.5M | 3.37% | +90,884+9.4% | Added |
| Citadel Advisors LLC | 1,143,958 | $25.4M | 0.01% | +942,814+468.7% | Added |
| Charles Schwab Investment Management Inc | 1,202,203 | $26.7M | 0.00% | +43,813+3.8% | Added |
| Northern Trust Corp | 1,278,081 | $28.4M | 0.00% | +79,243+6.6% | Added |
| Polar Capital Holdings Plc | 1,286,811 | $28.6M | 0.08% | −72,358−5.3% | Reduced |
| Marshall Wace, LLP | 1,488,917 | $33.1M | 0.03% | +1,405,770+1,690.7% | Added |
| Deep Track Capital, LP | 1,500,000 | $33.3M | 0.49% | −500,000−25.0% | Reduced |
| Standard Life Aberdeen plc | 1,539,434 | $34.2M | 0.05% | +109,050+7.6% | Added |
| Vivo Capital, LLC | 1,557,466 | $34.6M | 3.16% | 00.0% | Unchanged |
| Palo Alto Investors LP | 1,647,521 | $36.6M | 5.06% | −5,451−0.3% | Reduced |
| Sofinnova Investments, Inc. | 1,658,384 | $36.8M | 1.97% | +24,487+1.5% | Added |
| Samlyn Capital, LLC | 1,754,708 | $39.0M | 0.65% | −167,835−8.7% | Reduced |
| MPM Oncology Impact Management LP | 1,922,093 | $42.7M | 2.60% | +513,941+36.5% | Added |
| Dimensional Fund Advisors LP | 1,946,479 | $43.2M | 0.01% | +994,890+104.6% | Added |
| Franklin Resources Inc | 2,030,819 | $45.1M | 0.01% | +21,737+1.1% | Added |
| Siren, L.L.C. | 2,129,125 | $47.3M | 0.96% | −100,000−4.5% | Reduced |
| Goldman Sachs Group Inc | 2,157,195 | $47.9M | 0.01% | +434,079+25.2% | Added |
| VR Adviser, LLC | 2,173,913 | $48.3M | 1.46% | 00.0% | Unchanged |
| Bank of America Corp | 2,233,398 | $49.6M | 0.00% | +790,085+54.7% | Added |
| Logos Global Management LP | 2,550,000 | $56.6M | 2.44% | +1,150,000+82.1% | Added |
| Perceptive Advisors LLC | 2,689,235 | $59.7M | 0.93% | −1,979,604−42.4% | Reduced |
| JPMorgan Chase & Co | 3,151,656 | $67.2M | 0.00% | −101,817−3.1% | Reduced |
| Armistice Capital, LLC | 3,087,226 | $68.6M | 1.90% | −87,884−2.8% | Reduced |
| Frazier Life Sciences Management, L.P. | 3,153,082 | $70.0M | 1.53% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 3,235,684 | $71.9M | 1.36% | +317,800+10.9% | Added |
| Vestal Point Capital, LP | 3,375,000 | $75.0M | 1.75% | −625,000−15.6% | Reduced |
| Geode Capital Management, LLC | 3,743,427 | $83.2M | 0.00% | +239,313+6.8% | Added |
| FCPM III Services B.V. | 3,848,256 | $85.5M | 11.39% | −796,130−17.1% | Reduced |
| Price T Rowe Associates Inc | 3,936,806 | $87.4M | 0.01% | +1,608,433+69.1% | Added |
| Vanguard Portfolio Management LLC | 4,048,428 | $89.9M | 0.00% | −113,613−2.7% | Reduced |
| TCG Crossover Management, LLC | 4,615,144 | $102.5M | 2.46% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 6,310,969 | $140.2M | 0.00% | −94,100−1.5% | Reduced |
| Atlas Venture Life Science Advisors, LLC | 6,800,099 | $151.0M | 17.14% | −2,330,366−25.5% | Reduced |
| Orbis Allan Gray Ltd | 7,006,542 | $155.6M | 0.53% | +244,311+3.6% | Added |
| State Street Corp | 7,458,263 | $165.6M | 0.00% | +804,517+12.1% | Added |
| FMR LLC | 11,207,000 | $248.9M | 0.01% | +2,298,020+25.8% | Added |
| Jupiter Topco LLC | 11,997,738 | $266.6M | 0.11% | +11,997,738 | New |
| BlackRock, Inc. | 12,404,330 | $275.5M | 0.00% | +704,460+6.0% | Added |
| T. Rowe Price Investment Management, Inc. | 30,912,287 | $686.6M | 0.45% | +126,486+0.4% | Added |
| StemPoint Capital LP | 0 | $0 | 0.00% | −506,075−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −253,153−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −182,986−100.0% | Sold out |
| Burkehill Global Management, LP | 0 | $0 | 0.00% | −155,000−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −95,682−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −77,031−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −27,641−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −25,654−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −24,420−100.0% | Sold out |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −17,213−100.0% | Sold out |
| Stoneridge Investment Partners LLC | 0 | $0 | 0.00% | −16,611−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −13,172−100.0% | Sold out |
| Inspire Advisors, LLC | 0 | $0 | 0.00% | −11,845−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −11,217−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −10,610−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −10,564−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −10,405−100.0% | Sold out |
| Stephens Inc | 0 | $0 | 0.00% | −10,118−100.0% | Sold out |
| Farallon Capital Management, L.L.C. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −1,098−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −226−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −113−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −29−100.0% | Sold out |
| Bare Financial Services, Inc | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Creative Financial Designs Inc | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Arcadia Investment Management Corp | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |