GOSSAMER BIO INC GOSS
$0.17
+3.0% 52w: $0.16 – $3.79
Latest 13F among current holders filed 11 days ago (Jun 24, 2026)
Price — last 12 months
research preview data0.161.973.79
Jun 20, 2025 Jul 2, 2026
Institutional holders
185
-11 QoQ
13F value
$59.6M
-89.9% QoQ
Smart-money holders
18
signal tier ≥ 2
New smart buyers
7
Q1 2026
Options barometer
6.6×
$1.2M calls / $189K puts
Institutional value by quarter
Number of holders
Who owns GOSS?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| Kalehua Capital Management LLC ★2 | Fundamental concentrated | 17.7M | $5.8M | 2.2% | New |
| BlackRock, Inc. | Index provider | 16.8M | $5.5M | 0.0% | -1.3% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 10.1M | $3.3M | 0.0% | +804.8% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 9.4M | $3.1M | 0.0% | — |
| ARCH Venture Management, LLC ★3 | Fundamental concentrated | 8.1M | $2.6M | 0.4% | Held |
| Octagon Capital Advisors LP ★2 | Fundamental concentrated | 7.8M | $2.5M | 0.3% | -44.3% |
| SAMSARA BIOCAPITAL, LLC ★3 | Fundamental concentrated | 7.2M | $2.4M | 0.2% | Held |
| Balyasny Asset Management L.P. | Multistrat pod | 5.9M | $1.9M | 0.0% | +290.5% |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 5.3M | $1.7M | 0.0% | +19.5% |
| Siren, L.L.C. ★2 | Fundamental diversified | 5.2M | $1.7M | 0.0% | Held |
| 683 Capital Management, LLC ★2 | Fundamental diversified | 5.0M | $1.6M | 0.2% | -3.7% |
| HHLR ADVISORS, LTD. ★3 | Fundamental concentrated | 5.0M | $1.6M | 0.1% | Held |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 4.9M | $1.6M | 0.0% | +1.4% |
| Qube Research & Technologies Ltd | Quant stat arb | 4.9M | $1.6M | 0.0% | +809.7% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 4.8M | $1.6M | 0.0% | +40.7% |
| STATE STREET CORP | Index provider | 4.4M | $1.4M | 0.0% | -52.9% |
| Corient Private Wealth LLC | Diversified mechanical | 4.0M | $1.3M | 0.0% | -48.2% |
| Squarepoint Ops LLC | Quant stat arb | 3.4M | $1.1M | 0.0% | +1433.8% |
| GSA CAPITAL PARTNERS LLP | Diversified mechanical | 3.3M | $1.1M | 0.1% | +6175.0% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 3.2M | $1.0M | 0.0% | +66.5% |
| BARCLAYS PLC | Bank broker | 3.1M | $1.0M | 0.0% | +431.8% |
| Monashee Investment Management LLC ★2 | Fundamental diversified | 2.2M | $845K | 0.5% | New |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 2.2M | $711K | 0.0% | — |
| Alyeska Investment Group, L.P. | Quant stat arb | 2.1M | $674K | 0.0% | +125.7% |
| UBS Group AG | Bank broker | 1.9M | $620K | 0.0% | +6.3% |
| ALLIANCEBERNSTEIN L.P. | Long only active | 190.2K | $590K | 0.0% | Held |
| Ensign Peak Advisors, Inc | Diversified mechanical | 1.7M | $559K | 0.0% | New |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Other | 1.7M | $557K | 0.0% | -22.2% |
| Rock Springs Capital Management LP ★2 | Fundamental diversified | 1.6M | $529K | 0.0% | -50.7% |
| MACKENZIE FINANCIAL CORP | Diversified mechanical | 1.5M | $505K | 0.0% | +401.5% |
| MB Generational Wealth, LLC | Wealth advisor | 1.5M | $503K | 0.3% | -4.6% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 1.5M | $496K | 0.0% | -10.4% |
| NORTHERN TRUST CORP | Index provider | 1.4M | $463K | 0.0% | -0.5% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 1.4M | $462K | 0.0% | — |
| DEUTSCHE BANK AG\ | Bank broker | 1.3M | $431K | 0.0% | +1.7% |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 1.2M | $400K | 0.0% | +84.8% |
| GOLDMAN SACHS GROUP INC | Bank broker | 1.2M | $388K | 0.0% | -34.1% |
| NEA Management Company, LLC ★3 | Fundamental concentrated | 1.0M | $329K | 0.0% | -94.5% |
| VOYA INVESTMENT MANAGEMENT LLC | Diversified mechanical | 866.6K | $285K | 0.0% | +2273.6% |
| Hennion & Walsh Asset Management, Inc. | Other | 828.7K | $272K | 0.0% | +26.9% |
| Ishara Investments LP ★2 | Fundamental concentrated | 820.0K | $269K | 0.3% | New |
| XTX Topco Ltd | Market maker | 679.1K | $223K | 0.0% | +48.8% |
| Connor, Clark & Lunn Investment Management Ltd. | Diversified mechanical | 658.2K | $216K | 0.0% | +24.7% |
| SMITH, MOORE & CO. | Wealth advisor | 470.0K | $154K | 0.0% | +67.9% |
| PANAGORA ASSET MANAGEMENT INC | Diversified mechanical | 469.9K | $154K | 0.0% | +219.0% |
| Invesco Ltd. | Index provider | 465.0K | $153K | 0.0% | -2.9% |
| Bank of New York Mellon Corp | Diversified mechanical | 428.2K | $141K | 0.0% | -4.4% |
| Mariner, LLC | Diversified mechanical | 418.4K | $137K | 0.0% | +549.2% |
| IEQ CAPITAL, LLC | Diversified mechanical | 393.7K | $129K | 0.0% | +3412.1% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 389.4K | $128K | 0.0% | +96.0% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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