Gossamer Bio, (GOSS) Institutional Ownership
Track institutional investors, ownership changes, and 13F filings.
Ownership Summary
Total Institutions
114
Total Shares Held
171.34M
Total Value
$155.02M
Institutional Holding %
75.70%
Ownership Distribution
Top 5 Holders
Top Institutional Holders (as of Dec 31, 2024)
| Institution | Shares | Ownership % | Value |
|---|---|---|---|
| OCTAGON | 18.35M | 8.11% | $16.60M |
| NEA COMPANY | 18.09M | 7.99% | $16.37M |
| VANGUARD | 10.03M | 4.43% | $9.08M |
| ALYESKA | 8.81M | 3.89% | $7.97M |
| ARCH VENTURE | 8.06M | 3.56% | $7.29M |
| FMR | 7.93M | 3.50% | $7.18M |
| 683 | 6.97M | 3.08% | $6.31M |
| PALO ALTO INVESTORS | 6.28M | 2.77% | $5.68M |
| SILVERARC | 6.17M | 2.73% | $5.58M |
| SAMSARA BIOCAPITAL | 6.13M | 2.71% | $5.55M |
Recent Insider Trading
| Insider | Title | Transaction | Shares | Value | Date |
|---|---|---|---|---|---|
| Peterson Caryn | Evp, Regulatory Affairs | A-Award | 440.00K | $497.20K | Mar 04, 2025 |
| Christian Waage | Evp, Tech Ops And Admin | A-Award | 440.00K | $497.20K | Mar 04, 2025 |
| Smith Robert Paul Jr | Chief Commercial Officer | A-Award | 572.00K | $646.36K | Mar 04, 2025 |
| Aranda Richard | Chief Medical Officer | A-Award | 572.00K | $646.36K | Mar 04, 2025 |
| Giraudo Bryan | Coo/Cfo | A-Award | 638.00K | $720.94K | Mar 04, 2025 |
| Hasnain Faheem | Director, President & Ceo | A-Award | 1.54M | $1.74M | Mar 04, 2025 |
| Aranda Richard | Chief Medical Officer | S-Sale | 1.91K | $1.26K | Jun 24, 2024 |
| Hasnain Faheem | Director, President & Ceo | P-Purchase | 372.00K | $250.28K | Jun 21, 2024 |
| Giraudo Bryan | Coo/Cfo | P-Purchase | 100.00K | $59.11K | Jun 18, 2024 |
| Smith Robert Paul Jr | Chief Commercial Officer | P-Purchase | 25.00K | $15.05K | Jun 17, 2024 |
Recent Position Changes
| Institution | Shares Changed | % Change | Date |
|---|---|---|---|
| OCTAGON | +9.16M | +99.72% | Feb 14, 2025 |
| SIREN, L.L.C. | -8.07M | -60.78% | Feb 14, 2025 |
| ALYESKA | +3.04M | +52.73% | Feb 14, 2025 |
| VANGUARD | -1.72M | -14.63% | Feb 11, 2025 |
| MONACO ASSETM | +1.52M | +39.49% | Feb 10, 2025 |
| 683 | +1.18M | +20.26% | Feb 14, 2025 |
| ACADIAN ASSET | +1.16M | +29.29% | Feb 11, 2025 |
| MARSHALL WACE, LLP | -950.55K | -27.28% | Feb 13, 2025 |
| OPALEYE | +824.99K | +22.51% | Feb 14, 2025 |
| GSA LLP | +794.87K | +1176.78% | Feb 07, 2025 |
Recent Ownership Filings
4
Form 4 - Statement of changes in beneficial ownership of securities
Mar 06, 2025
4
Form 4 - Statement of changes in beneficial ownership of securities
Mar 06, 2025
4
Form 4 - Statement of changes in beneficial ownership of securities
Mar 06, 2025
4
Form 4 - Statement of changes in beneficial ownership of securities
Mar 06, 2025
4
Form 4 - Statement of changes in beneficial ownership of securities
Mar 06, 2025
4
Form 4 - Statement of changes in beneficial ownership of securities
Mar 06, 2025
SC 13G/A
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
Nov 12, 2024
SC 13G/A
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
Nov 12, 2024
SC 13G/A
Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
Aug 02, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Jun 25, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Jun 24, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Jun 20, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Jun 20, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Jun 06, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Jun 06, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Jun 06, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Jun 06, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Mar 28, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Mar 28, 2024
4
Form 4 - Statement of changes in beneficial ownership of securities
Mar 28, 2024
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