GOSSAMER BIO INC (GOSS): Institutional Ownership
Hedge funds and institutional managers reporting a position in GOSS · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
13
13F filers
Aggregate Value
$17.3M
Across holders
Last Price
$0.16
2026-06-26
Sector
Health Care
GICS
Holder activity5 new5 added2 reduced
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| Walleye Capital LLC CIK 0001758720 | Hedge Fund | 1.08M | $3.3M | 19.2% | 0.0% | New | — | Q4 2025 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 10.04M | $3.3M | 19.0% | 0.0% | Added | +$3.3M | Q1 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 5.92M | $1.9M | 11.2% | 0.0% | Added | +$1.4M | Q1 2026 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 727K | $1.9M | 11.0% | 0.0% | New | — | Q3 2025 |
| HHLR ADVISORS, LTD. CIK 0001762304 | Hedge Fund | 4.97M | $1.6M | 9.4% | 0.1% | Unchanged | +$0 | Q1 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 4.92M | $1.6M | 9.3% | 0.0% | Added | +$1.4M | Q1 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 4.78M | $1.6M | 9.1% | 0.0% | Added | +$455K | Q1 2026 |
| Schonfeld Strategic Advisors LLC CIK 0001665241 | Hedge Fund | 897K | $1.1M | 6.4% | 0.0% | New | — | Q2 2025 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 1.22M | $400K | 2.3% | 0.0% | Added | +$184K | Q1 2026 |
| Brevan Howard Capital Management LP CIK 0001512857 | Hedge Fund | 127K | $395K | 2.3% | 0.0% | New | — | Q4 2025 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 171K | $56K | 0.3% | 0.0% | Reduced | $-33 | Q1 2026 |
| Hudson Bay Capital Management LP CIK 0001393825 | Hedge Fund | 14K | $44K | 0.3% | 0.0% | New | — | Q4 2025 |
| TUDOR INVESTMENT CORP ET AL CIK 0000923093 | Hedge Fund | 115K | $38K | 0.2% | 0.0% | Reduced | $-61K | Q1 2026 |
New
Hedge Fund
$3.3M· 19.2% of total· 0.0% port· 1.08M sh· — QoQ· Q4 2025
Added
Hedge Fund
$3.3M· 19.0% of total· 0.0% port· 10.04M sh· +$3.3M QoQ· Q1 2026
Added
Hedge Fund
$1.9M· 11.2% of total· 0.0% port· 5.92M sh· +$1.4M QoQ· Q1 2026
New
Hedge Fund
$1.9M· 11.0% of total· 0.0% port· 727K sh· — QoQ· Q3 2025
Unchanged
Hedge Fund
$1.6M· 9.4% of total· 0.1% port· 4.97M sh· +$0 QoQ· Q1 2026
Added
Hedge Fund
$1.6M· 9.3% of total· 0.0% port· 4.92M sh· +$1.4M QoQ· Q1 2026
Added
Hedge Fund
$1.6M· 9.1% of total· 0.0% port· 4.78M sh· +$455K QoQ· Q1 2026
New
Hedge Fund
$1.1M· 6.4% of total· 0.0% port· 897K sh· — QoQ· Q2 2025
Added
Hedge Fund
$400K· 2.3% of total· 0.0% port· 1.22M sh· +$184K QoQ· Q1 2026
New
Hedge Fund
$395K· 2.3% of total· 0.0% port· 127K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$56K· 0.3% of total· 0.0% port· 171K sh· $-33 QoQ· Q1 2026
New
Hedge Fund
$44K· 0.3% of total· 0.0% port· 14K sh· — QoQ· Q4 2025
Reduced
Hedge Fund
$38K· 0.2% of total· 0.0% port· 115K sh· $-61K QoQ· Q1 2026