Gossamer Bio, Inc. (GOSS) Institutional Ownership & Insider Trading
169 institutions reported holding Gossamer Bio, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 4.7B
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 3 Nov, in 10 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters169 institutions held 78.1% of the shares. Across filers that reported both quarters, shares held changed +116.0%.
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 | 169 | 382 | +116.0% | 61 | 23 | 43 | 40 |
| Mar 26 | 180 | 177 | -5.3% | 70 | 36 | 45 | 52 |
| Dec 25 | 194 | 185 | +3.1% | 65 | 43 | 41 | 11 |
| Sep 25 | 161 | 180 | +1.9% | 44 | 50 | 42 | 13 |
| Jun 25 | 123 | 177 | +4.6% | 40 | 33 | 24 | 27 |
| Mar 25 | 119 | 170 | -1.3% | 32 | 22 | 27 | 8 |
| Dec 24 | 105 | 172 | -2.2% | 30 | 11 | 25 | 11 |
| Sep 24 | 100 | 175 | -4.8% | 20 | 14 | 29 | 9 |
Gossamer Bio, Inc. — questions
- Who owns Gossamer Bio, Inc. stock?
- 169 institutions reported Gossamer Bio, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: D. E. Shaw & Co., Inc. (8.4%), 683 Capital Management, LLC (8.0%), DeepCurrents Investment Group LLC (7.7%).
Every figure on this page comes from Gossamer Bio, 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.