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, Q3 2025
Institutional positions in Solid Biosciences Inc. as of Sep 30, 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
- 129
- +13 vs. Q2 2025
- Shares held
- 81.9M
- −940.4K (−1.1%) vs. Q2 2025
- Total value
- $505.2M
- +$101.8M (+25.2%) vs. Q2 2025
- New holders
- 25
- 38 more added
- Sold out
- 12
- 38 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Solid Biosciences Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ally Bridge Group (NY) LLC | 549,182 | $3.39M | 2.84% | −174,818−24.1% | Reduced |
| Boxer Capital Management, LLC | 600,000 | $3.70M | 1.18% | +600,000 | New |
| Woodline Partners LP | 631,823 | $3.90M | 0.02% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 633,052 | $3.91M | 2.41% | +211,472+50.2% | Added |
| Goldman Sachs Group Inc | 676,627 | $4.17M | 0.00% | +294,872+77.2% | Added |
| UBS Group AG | 724,145 | $4.47M | 0.00% | −48,150−6.2% | Reduced |
| Balyasny Asset Management LLC | 732,608 | $4.52M | 0.01% | +245,485+50.4% | Added |
| Bank of America Corp | 789,996 | $4.87M | 0.00% | −34,604−4.2% | Reduced |
| Millennium Management LLC | 909,701 | $5.61M | 0.00% | −189,672−17.3% | Reduced |
| Armistice Capital, LLC | 936,000 | $5.78M | 0.18% | +536,000+134.0% | Added |
| Finepoint Capital LP | 961,251 | $5.93M | 1.09% | 00.0% | Unchanged |
| State Street Corp | 1,093,299 | $6.75M | 0.00% | +141,847+14.9% | Added |
| Geode Capital Management, LLC | 1,287,243 | $7.94M | 0.00% | −222,910−14.8% | Reduced |
| Point72 Asset Management, L.P. | 1,333,005 | $8.22M | 0.02% | +66,948+5.3% | Added |
| Franklin Resources Inc | 1,599,232 | $9.87M | 0.00% | +590.0% | Added |
| MPM Oncology Impact Management LP | 1,634,569 | $10.1M | 1.65% | 00.0% | Unchanged |
| Alyeska Investment Group, L.P. | 1,682,805 | $10.4M | 0.03% | +41,984+2.6% | Added |
| Nantahala Capital Management, LLC | 1,699,258 | $10.5M | 0.65% | −4,078−0.2% | Reduced |
| Redmile Group, LLC | 1,899,342 | $11.7M | 1.14% | −16,584−0.9% | Reduced |
| Citadel Advisors LLC | 2,592,697 | $16.0M | 0.01% | +69,404+2.8% | Added |
| FMR LLC | 2,914,127 | $18.0M | 0.00% | −264,273−8.3% | Reduced |
| Vestal Point Capital, LP | 2,975,000 | $18.4M | 0.83% | +1,470,000+97.7% | Added |
| Vanguard Group Inc | 3,083,850 | $19.0M | 0.00% | −281,697−8.4% | Reduced |
| Adage Capital Partners GP, L.L.C. | 4,000,000 | $24.7M | 0.04% | −2,729,484−40.6% | Reduced |
| BlackRock, Inc. | 4,725,118 | $29.2M | 0.00% | −194,965−4.0% | Reduced |
| Ra Capital Management, L.P. | 5,811,423 | $35.9M | 0.44% | +1000.0% | Added |
| Siren, L.L.C. | 7,415,905 | $45.8M | 1.79% | 00.0% | Unchanged |
| Bain Capital Life Sciences Investors, LLC | 7,911,669 | $48.8M | 3.24% | 00.0% | Unchanged |
| Perceptive Advisors LLC | 11,833,539 | $73.0M | 2.11% | −73,107−0.6% | Reduced |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −2,165,000−100.0% | Sold out |
| Bollard Group LLC | 0 | $0 | 0.00% | −361,660−100.0% | Sold out |
| Blair William & Co | 0 | $0 | 0.00% | −165,700−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −115,762−100.0% | Sold out |
| Sphera Funds Management Ltd. | 0 | $0 | 0.00% | −50,190−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −43,500−100.0% | Sold out |
| Wealthedge Investment Advisors, LLC | 0 | $0 | 0.00% | −30,855−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −19,414−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −13,086−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −2,835−100.0% | Sold out |
| TD Waterhouse Canada Inc. | 0 | $0 | 0.00% | −180−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |