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 |
|---|---|---|---|---|---|
| Brevan Howard Capital Management LP | 14,524 | $104.6K | 0.00% | +14,524 | New |
| China Universal Asset Management Co., Ltd. | 13,826 | $99.5K | 0.01% | +1,131+8.9% | Added |
| US Bancorp | 13,218 | $95.2K | 0.00% | +12,918+4,306.0% | Added |
| SEI Investments Co | 13,078 | $94.2K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 12,650 | $91.1K | 0.00% | +12,650 | New |
| ProShare Advisors LLC | 12,033 | $86.6K | 0.00% | −2,185−15.4% | Reduced |
| JustInvest LLC | 11,103 | $79.9K | 0.00% | +11,103 | New |
| Voya Investment Management LLC | 10,684 | $76.9K | 0.00% | −476−4.3% | Reduced |
| Martingale Asset Management L P | 10,574 | $76.1K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 8,888 | $64.0K | 0.00% | +1,684+23.4% | Added |
| New York State Common Retirement Fund | 7,100 | $51.1K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 5,436 | $39.1K | 0.00% | +600+12.4% | Added |
| CWM, LLC | 5,295 | $38.1K | 0.00% | +801+17.8% | Added |
| Legal & General Group Plc | 5,270 | $37.9K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 4,955 | $35.7K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 4,926 | $35.5K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 4,064 | $29.3K | 0.00% | +278+7.3% | Added |
| California State Teachers Retirement System | 3,190 | $23.0K | 0.00% | −441−12.1% | Reduced |
| Essential Partners LLC | 3,030 | $21.8K | 0.01% | +2,767+1,052.1% | Added |
| Tower Research Capital LLC (TRC) | 2,776 | $20.0K | 0.00% | −7,895−74.0% | Reduced |
| Royal Bank of Canada | 2,666 | $19.0K | 0.00% | −1,630−37.9% | Reduced |
| Rockefeller Capital Management L.P. | 2,589 | $18.6K | 0.00% | +2,245+652.6% | Added |
| UBS Asset Management Americas Inc | 2,133 | $15.4K | 0.00% | +1,634+327.5% | Added |
| Sterling Capital Management LLC | 1,953 | $14.1K | 0.00% | −1,445−42.5% | Reduced |
| GF Fund Management Co. Ltd. | 1,739 | $12.5K | 0.00% | +209+13.7% | Added |
| Advisor Group Holdings, Inc. | 1,463 | $10.5K | 0.00% | −554−27.5% | Reduced |
| Farther Finance Advisors, LLC | 1,220 | $9.00K | 0.00% | +846+226.2% | Added |
| GAMMA Investing LLC | 1,117 | $8.04K | 0.00% | +875+361.6% | Added |
| Sound Income Strategies, LLC | 1,005 | $7.42K | 0.00% | +1,005 | New |
| Quantbot Technologies LP | 1,000 | $7.20K | 0.00% | +1,000 | New |
| Hantz Financial Services, Inc. | 1,000 | $7.00K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 877 | $6.31K | 0.00% | +121+16.0% | Added |
| The PNC Financial Services Group, Inc. | 682 | $4.91K | 0.00% | +26+4.0% | Added |
| Larson Financial Group LLC | 630 | $4.54K | 0.00% | +408+183.8% | Added |
| True Wealth Design, LLC | 582 | $4.19K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 560 | $4.03K | 0.00% | +256+84.2% | Added |
| EverSource Wealth Advisors, LLC | 517 | $3.72K | 0.00% | −16−3.0% | Reduced |
| Osbon Capital Management LLC | 501 | $3.61K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 418 | $3.01K | 0.00% | +7+1.7% | Added |
| UMA Financial Services, Inc. | 312 | $2.25K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 298 | $2.15K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 278 | $2.00K | 0.00% | −1,327−82.7% | Reduced |
| Basecamp Wealth Advisors LLC | 137 | $986 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 135 | $971 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 125 | $900 | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 123 | $886 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 77 | $554 | 0.00% | +77 | New |
| Rothschild Investment LLC | 75 | $540 | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 33 | $238 | 0.00% | +33 | New |
| Twin Peaks Wealth Advisors, LLC | 5 | $36 | 0.00% | +5 | New |
| 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 |