GOSSAMER BIO INC COM is a security (CUSIP 38341P102) tracked across SEC portfolio filings. 199 institutional managers reported $97.2M on Form 13F as of 2026-06-30; 12 registered fund positions totaling $413K via N-PORT as of 2026-05-31.
Showing 15 of 199 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| VANGUARD GROUP INC | Valley Forge, PA | $39.9M | 12,873,209 |
| BlackRock, Inc. | New York, NY | $5.5M | 16,826,695 |
| Context Capital Management, LLC | LAJOLLA, CA | $4.8M | 28,946,459 |
| Kalehua Capital Management LLC | DALLAS, TX | $3.4M | 10,236,293 |
| AQR CAPITAL MANAGEMENT LLC | Greenwich, CT | $3.3M | 10,126,897 |
| ARCH Venture Management, LLC | CHICAGO, IL | $2.6M | 8,055,916 |
| Octagon Capital Advisors LP | NEW YORK, NY | $2.5M | 7,750,000 |
| Samsara BioCapital, LLC | Palo Alto, CA | $2.4M | 7,222,559 |
| Hennion & Walsh Asset Management, Inc. | Parsippany, NJ | $2.0M | 652,977 |
| Balyasny Asset Management L.P. | Chicago, IL | $1.9M | 5,922,298 |
| Siren, L.L.C. | New York, NY | $1.7M | 5,208,968 |
| 683 Capital Management, LLC | NEW YORK, NY | $1.6M | 5,000,000 |
| HHLR ADVISORS, LTD. | Grand Cayman, E9 | $1.6M | 4,974,041 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $1.6M | 4,939,691 |
| Qube Research & Technologies Ltd | LONDON, X0 | $1.6M | 4,917,763 |
| Fund | Registrant | Value | % of fund |
|---|---|---|---|
| VANGUARD HEALTH CARE INDEX FUND | VANGUARD WORLD FUND | $125K | 0.07% |
| Master Small Cap Index Series | Quantitative Master Series LLC | $108K | 0.22% |
| Fidelity Series Total Market Index Fund | Fidelity Concord Street Trust | $69K | 0.01% |
| STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO | STATE STREET INSTITUTIONAL INVESTMENT TRUST | $21K | 0.08% |
| Small Cap Index Fund | Northern Funds | $20K | 0.14% |
| BlackRock Health Sciences Term Trust | BlackRock Health Sciences Term Trust | $20K | 0.20% |
| Blackstone Alternative Multi-Strategy Fund | Blackstone Alternative Investment Funds | $14K | 0.04% |
| Invesco Russell 2000 Dynamic Multifactor ETF | Invesco Exchange-Traded Self-Indexed Fund Trust | $13K | 0.47% |
| BlackRock Health Sciences Trust | BlackRock Health Sciences Trust | $10K | 0.20% |
| CVT Russell 2000 Small Cap Index Portfolio | Calvert Variable Trust, Inc. | $5K | 0.21% |
| VIP Extended Market Index Portfolio | Variable Insurance Products Fund II | $4K | 0.10% |
| State Street Total Return V.I.S. Fund | STATE STREET VARIABLE INSURANCE SERIES FUNDS INC | $2K | 0.02% |