Septerna Ownership | Who Owns Septerna?
Septerna Ownership Summary
Septerna is owned by 50.14% institutional investors, 3.15% insiders, and 46.71% retail investors. Ra capital management is the largest institutional shareholder, holding 15.84% of SEPN shares.
SEPN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Septerna | 50.14% | 3.15% | 46.71% |
| Sector | Healthcare Stocks | 232.20% | 10.74% | -142.94% |
| Industry | Biotech Stocks | 382.11% | 10.55% | -292.66% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Ra capital management | 7.00M | 15.84% | $131.59M |
| Trv gp v | 6.22M | 14.07% | $116.92M |
| Driehaus capital management | 4.92M | 11.14% | $92.54M |
| Trv gp vi | 4.21M | 9.54% | $79.22M |
| Bvf inc/il | 4.02M | 9.09% | $75.54M |
| Samsara biocapital | 3.15M | 7.13% | $59.24M |
| Goldman sachs group | 2.72M | 6.12% | $75.70M |
| Siren | 2.20M | 4.99% | $41.43M |
| Blackrock funding, inc. /de | 1.80M | 4.06% | $50.22M |
| Vanguard group | 1.51M | 3.40% | $42.05M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Trv gp vi | 4.21M | 72.26% | $79.22M |
| Trv gp v | 6.22M | 33.07% | $116.92M |
| Samsara biocapital | 3.15M | 7.73% | $59.24M |
| Bvf inc/il | 4.02M | 3.06% | $75.54M |
| Adar1 capital management | 1.18M | 2.08% | $22.13M |
| Checkpoint capital | 283.16K | 1.78% | $5.33M |
| Ra capital management | 7.00M | 1.62% | $131.59M |
| Siren | 2.20M | 1.62% | $41.43M |
| Rangeley capital | 88.00K | 1.43% | $1.66M |
| Catalio capital management, lp | 294.36K | 1.02% | $5.54M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Goldman sachs group | 2.72M | 0.01% | 1.26M |
| Primecap management co/ca/ | 546.10K | 0.01% | 546.10K |
| Millennium management | 436.56K | 0.00% | 436.56K |
| Soleus capital management | 383.37K | 0.39% | 365.11K |
| Blackrock funding, inc. /de | 1.80M | 0.00% | 341.53K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Sio capital management | 189.20K | 0.90% | -395.24K |
| Bvf inc/il | 4.02M | 3.06% | -380.33K |
| Checkpoint capital | 283.16K | 1.78% | -303.31K |
| Deep track capital, lp | - | - | -121.72K |
| Walleye capital | - | - | -80.34K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Primecap management co/ca/ | 546.10K | 0.01% | 546.10K | $15.23M |
| Millennium management | 436.56K | 0.00% | 436.56K | $2.53M |
| Federated hermes | 78.91K | 0.00% | 78.91K | $2.20M |
| Longaeva partners | 57.06K | 0.15% | 57.06K | $1.07M |
| Jane street group | 44.07K | 0.00% | 44.07K | $1.23M |
Sold Out
| Holder | Change |
|---|---|
| Comerica bank | -212.00 |
| Raymond james financial | -222.00 |
| Corebridge financial | -9.10K |
| Quadrature capital | -10.13K |
| Squarepoint ops | -10.74K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 74 | -14.94% | 22,232,408 | -50.09% | 50 | 0.49% | 50 | 11.11% | 10 | -41.18% |
| Sep 30, 2025 | 84 | -3.45% | 44,466,323 | 3.68% | 100 | 1.07% | 43 | -21.82% | 17 | 6.25% |
| Jun 30, 2025 | 94 | 27.03% | 44,430,374 | -1.90% | 100 | 0.95% | 57 | -19.72% | 19 | - |
| Mar 31, 2025 | 1 | - | 1,912,929 | - | 5 | - | 1 | - | - | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Feb 18, 2026 | Bhatt Elizabeth | President and COO | Sell | $62.61K |
| Feb 18, 2026 | Bhatt Elizabeth | President and COO | Sell | $53.25K |
| Nov 10, 2025 | Long Daniel D. | SVP, Drug Discovery | Sell | $63.22K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 2 |
| 2025 Q4 | - | 1 |
| 2025 Q3 | - | - |
| 2025 Q2 | - | - |
SEPN Ownership FAQ
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