DYN
Dyne Therapeutics, Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth +1.2% ·
share flow +13.8% ·
net new positions +2.3%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 86 | +1 | 73.72M | $1.63B | +7 | −5 |
| Q1 2026 | 87 | -4 | 78.51M | $1.42B | +7 | −12 |
| Q4 2025 | 92 | 0 | 87.58M | $1.71B | +2 | −1 |
| Q3 2025 | 18 | +1 | 57.06M | $721.88M | +1 | −1 |
| Q2 2025 | 15 | +2 | 34.50M | $328.45M | +2 | — |
| Q1 2025 | 10 | -1 | 12.46M | $130.33M | +1 | −2 |
| Q4 2024 | 11 | 0 | 14.93M | $351.71M | +1 | −1 |
| Q3 2024 | 10 | -2 | 10.58M | $380.14M | +1 | −3 |
| Q2 2024 | 12 | — | 13.13M | $463.42M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 12.40M | +6.0% | $275.50M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | Fidelity (FMR) ✦ | 11.21M | +25.8% | $248.91M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | Fidelity (FMR) ✦ | 11.21M | +25.8% | $248.91M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | Fidelity (FMR) ✦ | 11.21M | +25.8% | $248.91M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | Fidelity (FMR) ✦ | 11.21M | +25.8% | $248.91M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 18 | State Street Global Advisors ✦ (passive) | 7.46M | +12.1% | $165.65M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 19 | Vanguard Capital Management Llc | 6.31M | -1.5% | $140.17M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | T. Rowe Price ✦ | 3.94M | +69.1% | $87.44M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 21 | T. Rowe Price ✦ | 3.94M | +69.1% | $87.44M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 22 | Geode Capital Management ✦ (passive) | 3.74M | +6.8% | $83.16M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 23 | Geode Capital Management ✦ (passive) | 3.74M | +6.8% | $83.16M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 24 | JPMorgan Chase ✦ | 3.15M | -3.1% | $67.15M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 25 | JPMorgan Chase ✦ | 3.15M | -3.1% | $67.15M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 26 | JPMorgan Chase ✦ | 3.15M | -3.1% | $67.15M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 27 | JPMorgan Chase ✦ | 3.15M | -3.1% | $67.15M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 28 | JPMorgan Chase ✦ | 3.15M | -3.1% | $67.15M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 29 | JPMorgan Chase ✦ | 3.15M | -3.1% | $67.15M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 30 | JPMorgan Chase ✦ | 3.15M | -3.1% | $67.15M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 31 | Bank Of America Corp /De/ | 2.23M | +54.7% | $49.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Bank Of America Corp /De/ | 2.23M | +54.7% | $49.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Bank Of America Corp /De/ | 2.23M | +54.7% | $49.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Bank Of America Corp /De/ | 2.23M | +54.7% | $49.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Goldman Sachs Group ✦ | 2.16M | +25.2% | $47.91M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 36 | Goldman Sachs Group ✦ | 2.16M | +25.2% | $47.91M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 37 | Franklin Resources Inc | 2.03M | +1.1% | $45.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Franklin Resources Inc | 2.03M | +1.1% | $45.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Dimensional Fund Advisors Lp | 1.95M | +104.5% | $43.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Dimensional Fund Advisors Lp | 1.95M | +104.5% | $43.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Dimensional Fund Advisors Lp | 1.95M | +104.5% | $43.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Dimensional Fund Advisors Lp | 1.95M | +104.5% | $43.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Aberdeen Group plc | 1.54M | +7.6% | $34.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 44 | Marshall Wace ✦ | 1.49M | +1690.7% | $33.07M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 45 | Marshall Wace ✦ | 1.49M | +1690.7% | $33.07M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 46 | Marshall Wace ✦ | 1.49M | +1690.7% | $33.07M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 47 | Northern Trust Corp | 1.28M | +6.6% | $28.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 48 | Northern Trust Corp | 1.28M | +6.6% | $28.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 49 | Northern Trust Corp | 1.28M | +6.6% | $28.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Northern Trust Corp | 1.28M | +6.6% | $28.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | Northern Trust Corp | 1.28M | +6.6% | $28.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 52 | Charles Schwab Investment… | 1.20M | +3.8% | $26.70M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Citadel Advisors ✦ | 1.14M | +468.7% | $25.41M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 746.20K | -19.7% | $16.57M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 746.20K | -19.7% | $16.57M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 746.20K | -19.7% | $16.57M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 746.20K | -19.7% | $16.57M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 746.20K | -19.7% | $16.57M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 59 | Morgan Stanley ✦ | 746.20K | -19.7% | $16.57M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 60 | Artisan Partners Limited Partnership | 659.79K | +6.5% | $14.65M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Raymond James Financial Inc | 576.35K | +27.6% | $12.80M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Raymond James Financial Inc | 576.35K | +27.6% | $12.80M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Td Asset Management Inc | 548.11K | +3.5% | $12.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | UBS Group AG | 443.28K | +16.5% | $9.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | UBS Group AG | 443.28K | +16.5% | $9.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | UBS Group AG | 443.28K | +16.5% | $9.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | UBS Group AG | 443.28K | +16.5% | $9.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | UBS Group AG | 443.28K | +16.5% | $9.85M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Millennium Management ✦ | 431.85K | +172.4% | $9.59M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 70 | Clearbridge Investments, LLC | 415.13K | +3.0% | $9.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Bank of New York Mellon Corp | 409.80K | +2.0% | $9.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Bank of New York Mellon Corp | 409.80K | +2.0% | $9.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Bank of New York Mellon Corp | 409.80K | +2.0% | $9.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 74 | Bank of New York Mellon Corp | 409.80K | +2.0% | $9.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 75 | Bank of New York Mellon Corp | 409.80K | +2.0% | $9.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Bank of New York Mellon Corp | 409.80K | +2.0% | $9.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Bank of New York Mellon Corp | 409.80K | +2.0% | $9.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Bank of New York Mellon Corp | 409.80K | +2.0% | $9.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Nuveen, LLC | 386.79K | -46.1% | $8.59M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Nuveen, LLC | 386.79K | -46.1% | $8.59M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | Nuveen, LLC | 386.79K | -46.1% | $8.59M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Renaissance Technologies ✦ | 360.57K | -32.4% | $8.01M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 83 | New York State Common Retirement… | 355.95K | +6.7% | $7.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Squarepoint Ops LLC | 300.07K | -64.0% | $6.66M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 85 | Fisher Asset Management ✦ | 298.50K | -7.6% | $6.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Ameriprise Financial Inc | 298.32K | +83.0% | $6.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Ensign Peak Advisors, Inc | 289.73K | -41.7% | $6.43M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 88 | UBS AM, a distinct business unit of… | 269.99K | +12.8% | $6.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | UBS AM, a distinct business unit of… | 269.99K | +12.8% | $6.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | UBS AM, a distinct business unit of… | 269.99K | +12.8% | $6.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | UBS AM, a distinct business unit of… | 269.99K | +12.8% | $6.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | UBS AM, a distinct business unit of… | 269.99K | +12.8% | $6.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 93 | UBS AM, a distinct business unit of… | 269.99K | +12.8% | $6.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | UBS AM, a distinct business unit of… | 269.99K | +12.8% | $6.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | UBS AM, a distinct business unit of… | 269.99K | +12.8% | $6.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | UBS AM, a distinct business unit of… | 269.99K | +12.8% | $6.00M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Alyeska Investment Group, L.P. | 245.28K | New | $5.45M | 0.0% | New | 1 | SEC ↗ |
| 98 | Deutsche Bank Ag\ | 242.39K | +9.6% | $5.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 99 | Deutsche Bank Ag\ | 242.39K | +9.6% | $5.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | Deutsche Bank Ag\ | 242.39K | +9.6% | $5.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Alyeska Investment Group, L.P. | $5.45M | 0.0% |
Exited
| Qube Research & Technologies… | $4.59M | was 0.0% |
| Man Group plc | $1.73M | was 0.0% |
| Tudor Investment Corp Et Al | $1.40M | was 0.0% |
| Capstone Investment Advisors… | $203,364 | was 0.0% |
| National Bank Of Canada /Fi/ | $3,624 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 226 holders, 184.59M shares, $2.74B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 1.36M sh · $33.99M
Director · 478.38K sh · $11.96M
Director · 322.46K sh · $8.06M
Director · 63.64K sh · $1.67M
Officer · 1.80K sh · $47,225
Officer · 1.56K sh · $40,892
Officer, Director · 4.99K sh · $131,032
Officer · 226 sh · $5,939
Director · 268.35K sh · $7.03M
Director · 94.42K sh · $2.47M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology