Gossamer Bio, Inc. GOSS
9.28 USD -0.17 (-1.80%)
At closeNov 4, 2026, 8:07 AM EST
8.95 -0.33 -3.56%
Pre-market · Nov 4, 8:07 AM ET
8.80 Day range 9.68
8.29 52-week range 309.60
- YTD
- -96.26%
- 1 year
- -94.96%
Held by funds
17 US ETFs and mutual funds hold GOSS · largest positions
Ownership
Held by insiders 0.00%
Held by institutions 0.00%
Float held by institutions 0.00%
Institutions 0
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Shaw D.E. & Co., Inc. | 8.38% | 40,959,285 | 439.49M | Jun 29, 2026 |
| 683 Capital Management LLC | 8.02% | 39,198,868 | 420.60M | Jun 29, 2026 |
| DeepCurrents Investment Group, LLC | 7.70% | 37,665,073 | 404.15M | Jun 29, 2026 |
| Context Capital Management, LLC | 5.92% | 28,946,459 | 310.60M | Jun 29, 2026 |
| Worth Venture Partners, Llc | 5.12% | 25,017,881 | 268.44M | Jun 29, 2026 |
| AQR Capital Management, LLC | 3.20% | 15,629,993 | 167.71M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.41% | 6,910,934 | 74.15M | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund | 0.46% | 2,243,305 | 24.07M | Jun 29, 2026 |
| iShares Trust-iShares Biotechnology ETF | 0.31% | 1,501,116 | 16.11M | Jun 29, 2026 |
| SCHWAB STRATEGIC TRUST-Schwab U.S. Small-Cap ETF | 0.20% | 986,826 | 10.59M | May 30, 2026 |
| VANGUARD SCOTTSDALE FUNDS-Vanguard Russell 2000 Index Fund | 0.20% | 977,030 | 10.48M | May 30, 2026 |
| VANGUARD WORLD FUND-Vanguard Health Care Index Fund | 0.11% | 541,950 | 5.82M | May 30, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| ARANDA RICHARD | Officer | Stock Award(Grant) | Jan 1, 2026 | 465,645 |
| CHRISTIAN WAAGE | Officer | Stock Award(Grant) | Jan 1, 2026 | 882,175 |
| GIRAUDO BRYAN M. | Chief Operating Officer | Stock Award(Grant) | Jan 1, 2026 | 869,747 |
| HASNAIN FAHEEM | Chief Executive Officer | Stock Award(Grant) | Jan 1, 2026 | 6,245,870 |
| MILLIGAN SANDRA | Director | Purchase | Aug 18, 2025 | 58,050 |
| PETERSON CARYN | Officer | Stock Award(Grant) | Jan 1, 2026 | 259,333 |