Septerna, Inc. (SEPN) Institutional Ownership & Insider Trading
154 institutions reported holding Septerna, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 30 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
SEPNSepterna, Inc.Follow SEPN — free
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- Market cap
- 1.9B
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 9 Nov, in 16 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters154 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +2.5%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 154 | 47 | +2.5% | 45 | 44 | 28 | 14 |
| Mar 26 | 124 | 46 | +0.7% | 38 | 22 | 30 | 22 |
| Dec 25 | 122 | 46 | +1.8% | 28 | 40 | 26 | 5 |
| Sep 25 | 82 | 45 | +0.3% | 30 | 10 | 16 | 16 |
| Jun 25 | 89 | 44 | -1.8% | 31 | 25 | 19 | 5 |
| Mar 25 | 71 | 45 | +2.6% | 23 | 19 | 12 | 19 |
| Dec 24 | 70 | 44 | — | — | — | — | — |
Septerna, Inc. — questions
- Who owns Septerna, Inc. stock?
- 154 institutions reported Septerna, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: RA CAPITAL MANAGEMENT, L.P. (15.0%), TRV GP V, LLC (13.3%), Driehaus Capital Management LLC (9.5%).
- Are Septerna, Inc. insiders buying or selling?
- 30 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Septerna, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.