Solid Biosciences Ownership | Who Owns Solid Biosciences?
Solid Biosciences Ownership Summary
Solid Biosciences is owned by 104.54% institutional investors, 0.68% insiders. Ra capital management is the largest institutional shareholder, holding 10.96% of SLDB shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 3.20% of its assets in Solid Biosciences shares.
SLDB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Solid Biosciences | 104.54% | 0.68% | -5.21% |
| Sector | Healthcare Stocks | 246.48% | 12.12% | -158.60% |
| Industry | Biotech Stocks | 384.82% | 11.76% | -296.58% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Ra capital management | 12.04M | 10.96% | $120.24M |
| Perceptive advisors | 11.91M | 10.84% | $118.95M |
| Bain capital life sciences investors | 9.81M | 8.93% | $97.99M |
| Siren | 7.69M | 7.00% | $76.83M |
| Blackrock funding, inc. /de | 6.93M | 6.31% | $69.27M |
| Fmr | 6.88M | 6.26% | $68.69M |
| Janus henderson group | 4.01M | 4.23% | $28.88M |
| Armistice capital | 4.28M | 3.90% | $42.74M |
| State street | 4.18M | 3.80% | $41.71M |
| Vanguard group | 3.45M | 3.66% | $19.49M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Monashee investment management | 500.00K | 8.38% | $5.00M |
| Bain capital life sciences investors | 9.81M | 5.83% | $97.99M |
| Birchview capital, lp | 666.20K | 3.11% | $6.66M |
| Ally bridge group (ny) | 255.96K | 2.26% | $2.56M |
| Perceptive advisors | 11.91M | 1.79% | $118.95M |
| Bioimpact capital | 1.63M | 1.65% | $10.09M |
| Siren | 7.69M | 1.55% | $76.83M |
| Redmile group | 1.95M | 1.31% | $19.47M |
| Ra capital management | 12.04M | 1.04% | $120.24M |
| Silverarc capital management | 668.45K | 0.69% | $6.68M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Janus henderson group | 4.01M | 0.01% | 4.01M |
| Rtw investments, lp | 3.89M | 0.33% | 3.89M |
| Fmr | 6.88M | 0.00% | 3.27M |
| State street | 4.18M | 0.00% | 3.05M |
| Ra capital management | 12.04M | 1.04% | 2.70M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Commodore capital lp | - | - | -5.83M |
| Vestal point capital, lp | 2.16M | 0.50% | -2.84M |
| Vr adviser | - | - | -2.48M |
| Point72 asset management | 448.01K | 0.00% | -1.60M |
| Nantahala capital management | - | - | -1.17M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Janus henderson group | 4.01M | 0.01% | 4.01M | $28.88M |
| Rtw investments, lp | 3.89M | 0.33% | 3.89M | $38.89M |
| Silverarc capital management | 668.45K | 0.69% | 668.45K | $6.68M |
| Sixth street partners management company | 244.40K | 0.00% | 244.40K | $2.44M |
| Soleus capital management | 150.00K | 0.05% | 150.00K | $1.50M |
Sold Out
| Holder | Change |
|---|---|
| Stone house investment management | -41.00 |
| Mai capital management | -123.00 |
| Bryn mawr trust | -161.00 |
| Td waterhouse canada | -180.00 |
| Signaturefd | -228.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 161 | 8.05% | 114,792,709 | 15.14% | 104 | 1.27% | 100 | 19.05% | 37 | -7.50% |
| Mar 31, 2026 | 144 | 11.63% | 98,542,069 | 21.10% | 104 | 1.40% | 81 | 65.31% | 39 | -17.02% |
| Dec 31, 2025 | 56 | -57.25% | 16,896,993 | -79.27% | 17 | 0.24% | 27 | -58.46% | 14 | -62.16% |
| Sep 30, 2025 | 47 | -55.66% | 11,240,036 | -85.75% | 11 | 0.17% | 22 | -68.57% | 15 | 7.14% |
| Jun 30, 2025 | 24 | -81.10% | 2,819,669 | -96.42% | 4 | 0.03% | 17 | -81.32% | 3 | -82.35% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.15M | 3.20% | 1.07M |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.15M | 3.20% | 1.07M |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.15M | 2.94% | - |
| Franklin Biotechnology Discv A(acc)USD | 2.72M | 2.54% | - |
| Fidelity Select Biotechnology | 2.61M | 2.43% | - |
| iShares Russell 2000 ETF | 1.97M | 1.83% | -22.66K |
| Columbia Small Cap Growth | 1.76M | 1.79% | 284.07K |
| State Street® SPDR® S&P® Biotech ETF | 1.76M | 1.64% | -33.65K |
| Columbia Small Cap Growth Inst | 1.76M | 1.64% | - |
| Franklin Biotechnology Discovery A | 1.47M | 1.37% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 19, 2026 | Brooks Gabriel | Chief Medical Officer | Sell | $24.58K |
| Feb 18, 2026 | Cumbo Alexander | President and CEO | Sell | $96.92K |
| Feb 18, 2026 | Hanrahan Jessie | Chief Regulatory Officer | Sell | $24.07K |
| Feb 18, 2026 | Ganot Ilan | - | Sell | $15.48K |
| Feb 18, 2026 | Herzich Paul | Chief Technology Officer | Sell | $21.06K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | 1 |
| 2026 Q3 | - | - |
| 2026 Q2 | - | - |
| 2026 Q1 | - | 23 |
| 2025 Q4 | - | 6 |
SLDB Ownership FAQ
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