Solid Biosciences Inc.
SLDB- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001707502
No open-market purchases or sales by Solid Biosciences Inc. insiders were filed in the last 90 days; 157 institutions reported holding it in 13F filings for Q2 2026, worth $1.14B in total; no superinvestor holds it.
13F holders, Q1 2025
Institutional positions in Solid Biosciences Inc. as of Mar 31, 2025. 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
- 125
- +36 vs. Q4 2024
- Shares held
- 79.2M
- +43.1M (+119.2%) vs. Q4 2024
- Total value
- $293.2M
- +$148.7M (+102.9%) vs. Q4 2024
- New holders
- 51
- 43 more added
- Sold out
- 15
- 15 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SLDB 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 | 157 | $1.14B |
| Q1 2026 | 150 | $717.4M |
| Q4 2025 | 132 | $459.2M |
| Q3 2025 | 129 | $505.2M |
| Q2 2025 | 116 | $403.4M |
| Q1 2025 | 125 | $293.2M |
| Q4 2024 | 90 | $145.3M |
| Q3 2024 | 92 | $249.8M |
| Q2 2024 | 80 | $213.2M |
| Q1 2024 | 56 | $465.9M |
| Q4 2023 | 40 | $102.2M |
| Q3 2023 | 37 | $40.7M |
| Q2 2023 | 36 | $85.6M |
| Q1 2023 | 39 | $74.8M |
| Q4 2022 | 35 | $85.6M |
| Q3 2022 | 58 | $33.4M |
| Q2 2022 | 67 | $39.5M |
| Q1 2022 | 78 | $83.3M |
| Q4 2021 | 82 | $132.2M |
| Q3 2021 | 91 | $184.3M |
| Q2 2021 | 92 | $293.4M |
| Q1 2021 | 104 | $437.6M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Solid Biosciences Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Geode Capital Management, LLC | 530,859 | $1.96M | 0.00% | +21,057+4.1% | Added |
| Millennium Management LLC | 534,564 | $1.98M | 0.00% | −185,212−25.7% | Reduced |
| Balyasny Asset Management LLC | 627,274 | $2.32M | 0.01% | +627,274 | New |
| Woodline Partners LP | 631,823 | $2.34M | 0.02% | +631,823 | New |
| EcoR1 Capital, LLC | 744,450 | $2.75M | 0.16% | +744,450 | New |
| Casdin Capital, LLC | 775,000 | $2.87M | 0.23% | +775,000 | New |
| Finepoint Capital LP | 961,251 | $3.56M | 0.60% | 00.0% | Unchanged |
| Franklin Resources Inc | 1,240,700 | $4.59M | 0.00% | +1,240,700 | New |
| Boxer Capital Management, LLC | 1,240,700 | $4.59M | 1.38% | +1,240,700 | New |
| Alyeska Investment Group, L.P. | 1,640,821 | $6.07M | 0.02% | +1,294,450+373.7% | Added |
| MPM Oncology Impact Management LP | 1,642,356 | $6.08M | 1.04% | +1,642,356 | New |
| Monashee Investment Management LLC | 1,673,412 | $6.19M | 0.73% | +1,193,412+248.6% | Added |
| Vestal Point Capital, LP | 1,753,558 | $6.49M | 0.46% | −1,096,442−38.5% | Reduced |
| Citadel Advisors LLC | 1,885,883 | $6.98M | 0.01% | +937,465+98.8% | Added |
| Redmile Group, LLC | 2,019,171 | $7.47M | 0.71% | +1,403,925+228.2% | Added |
| BlackRock, Inc. | 2,150,873 | $7.96M | 0.00% | +290,269+15.6% | Added |
| Vanguard Group Inc | 2,460,450 | $9.10M | 0.00% | +1,059,192+75.6% | Added |
| VR Adviser, LLC | 2,481,400 | $9.18M | 0.78% | +2,481,400 | New |
| FMR LLC | 3,517,888 | $13.0M | 0.00% | +3,471,183+7,432.1% | Added |
| Ra Capital Management, L.P. | 4,330,446 | $16.0M | 0.27% | 00.0% | Unchanged |
| Commodore Capital LP | 5,825,000 | $21.6M | 1.59% | +5,825,000 | New |
| Adage Capital Partners GP, L.L.C. | 6,729,484 | $24.9M | 0.05% | +4,981,400+285.0% | Added |
| Siren, L.L.C. | 7,415,905 | $27.4M | 1.55% | +3,666,864+97.8% | Added |
| Bain Capital Life Sciences Investors, LLC | 7,911,669 | $29.3M | 4.33% | +3,877,087+96.1% | Added |
| Perceptive Advisors LLC | 11,906,646 | $44.1M | 1.56% | +5,000,000+72.4% | Added |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −255,077−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −124,551−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −109,105−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −65,613−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −51,972−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −42,989−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −37,277−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −24,373−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −22,089−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −21,622−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −15,768−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −10,155−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −10,152−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −901−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −81−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |