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 2026
Institutional positions in Solid Biosciences Inc. as of Mar 31, 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
- 150
- +20 vs. Q4 2025
- Shares held
- 99.7M
- +21.8M (+28.0%) vs. Q4 2025
- Total value
- $717.4M
- +$278.0M (+63.2%) vs. Q4 2025
- New holders
- 32
- 56 more added
- Sold out
- 12
- 41 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 2026
Shares, value and share of portfolio for each institution holding Solid Biosciences Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Apis Capital Advisors, LLC | 160,000 | $1.15M | 0.18% | −36,000−18.4% | Reduced |
| Charles Schwab Investment Management Inc | 160,730 | $1.16M | 0.00% | −807−0.5% | Reduced |
| Wellington Management Group LLP | 161,278 | $1.16M | 0.00% | −24,404−13.1% | Reduced |
| Balyasny Asset Management LLC | 178,253 | $1.20M | 0.00% | −182,684−50.6% | Reduced |
| StemPoint Capital LP | 195,403 | $1.41M | 0.27% | +195,403 | New |
| Susquehanna Portfolio Strategies, LLC | 197,571 | $1.42M | 0.02% | −1,865−0.9% | Reduced |
| BNP Paribas Arbitrage, SA | 217,196 | $1.56M | 0.00% | +142,566+191.0% | Added |
| JPMorgan Chase & Co | 276,412 | $1.79M | 0.00% | +244,655+770.4% | Added |
| Morgan Stanley | 261,130 | $1.88M | 0.00% | −133,136−33.8% | Reduced |
| Ikarian Capital, LLC | 264,409 | $1.90M | 0.27% | +104,000+64.8% | Added |
| Susquehanna International Group, LLP | 269,731 | $1.94M | 0.00% | −229,562−46.0% | Reduced |
| J. Goldman & Co LP | 284,467 | $2.05M | 0.09% | +284,467 | New |
| Boxer Capital Management, LLC | 300,000 | $2.16M | 0.28% | 00.0% | Unchanged |
| Parkman Healthcare Partners LLC | 308,844 | $2.22M | 0.23% | −109,527−26.2% | Reduced |
| Moore Capital Management, LP | 324,749 | $2.34M | 0.09% | +324,749 | New |
| Vanguard Fiduciary Trust Co | 325,979 | $2.35M | 0.00% | +325,979 | New |
| Vanguard Portfolio Management LLC | 338,630 | $2.44M | 0.00% | +338,630 | New |
| Invesco Ltd. | 340,940 | $2.45M | 0.00% | +188,814+124.1% | Added |
| Millennium Management LLC | 363,675 | $2.62M | 0.00% | +247,043+211.8% | Added |
| Bank of America Corp | 386,793 | $2.78M | 0.00% | +42,499+12.3% | Added |
| Nuveen, LLC | 400,292 | $2.88M | 0.00% | +5,316+1.3% | Added |
| Northern Trust Corp | 418,199 | $3.01M | 0.00% | +5,422+1.3% | Added |
| Woodline Partners LP | 495,076 | $3.56M | 0.01% | +178,253+56.3% | Added |
| Birchview Capital, LP | 625,980 | $4.51M | 2.57% | −79,975−11.3% | Reduced |
| Blair William & Co | 651,216 | $4.69M | 0.01% | +651,216 | New |
| Ally Bridge Group (NY) LLC | 766,974 | $5.52M | 5.49% | +353,349+85.4% | Added |
| Goldman Sachs Group Inc | 935,535 | $6.74M | 0.00% | −70,771−7.0% | Reduced |
| Dimensional Fund Advisors LP | 956,135 | $6.88M | 0.00% | +277,051+40.8% | Added |
| State Street Corp | 1,125,487 | $8.10M | 0.00% | +38,074+3.5% | Added |
| Nantahala Capital Management, LLC | 1,165,078 | $8.39M | 0.52% | −438,258−27.3% | Reduced |
| Geode Capital Management, LLC | 1,295,984 | $9.33M | 0.00% | +28,592+2.3% | Added |
| Monashee Investment Management LLC | 1,420,295 | $10.2M | 5.56% | +70,524+5.2% | Added |
| Adage Capital Partners GP, L.L.C. | 1,756,506 | $12.6M | 0.02% | +356,506+25.5% | Added |
| Redmile Group, LLC | 2,011,895 | $14.5M | 0.96% | +151,353+8.1% | Added |
| Point72 Asset Management, L.P. | 2,050,843 | $14.8M | 0.03% | −365,265−15.1% | Reduced |
| Franklin Resources Inc | 2,192,937 | $15.8M | 0.00% | +593,704+37.1% | Added |
| Alyeska Investment Group, L.P. | 2,280,125 | $16.4M | 0.05% | +597,320+35.5% | Added |
| Ameriprise Financial Inc | 2,438,849 | $17.6M | 0.00% | +2,438,849 | New |
| Citadel Advisors LLC | 2,596,800 | $18.7M | 0.01% | −67,063−2.5% | Reduced |
| Vanguard Capital Management LLC | 2,674,624 | $19.3M | 0.00% | +2,674,624 | New |
| Armistice Capital, LLC | 3,200,000 | $23.0M | 0.76% | +588,000+22.5% | Added |
| Deep Track Capital, LP | 3,565,062 | $25.7M | 0.53% | +3,565,062 | New |
| FMR LLC | 3,606,404 | $26.0M | 0.00% | +1,576,506+77.7% | Added |
| Janus Henderson Group PLC | 4,010,695 | $28.9M | 0.01% | +4,010,695 | New |
| BlackRock, Inc. | 4,958,354 | $35.7M | 0.00% | +88,672+1.8% | Added |
| Vestal Point Capital, LP | 5,000,000 | $36.0M | 1.01% | −815,000−14.0% | Reduced |
| Siren, L.L.C. | 7,690,405 | $55.4M | 1.53% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 9,339,978 | $67.2M | 0.71% | +3,528,555+60.7% | Added |
| Bain Capital Life Sciences Investors, LLC | 9,808,819 | $70.6M | 6.37% | +1,897,150+24.0% | Added |
| Perceptive Advisors LLC | 11,906,646 | $85.7M | 1.69% | +73,107+0.6% | Added |
| Finepoint Capital LP | 0 | $0 | 0.00% | −961,251−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −116,525−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −36,147−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −20,876−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −20,647−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −20,270−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −10,852−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −6,553−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −4,952−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −3,710−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,852−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −231−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |