GOSSAMER BIO INC (GOSS) Institutional Ownership Changes & 13F Activity
GOSSAMER BIO INC (GOSS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Sequoia Financial Advisors, and Baupost Group.
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2026 | Renaissance Technologies LLC | Buy | 558,980 | 1,217,868 | $400,070 |
| Q1 2026 | Sequoia Financial Advisors | Buy | 2,103 | 90,570 | $29,753 |
| Q4 2025 | Renaissance Technologies LLC | Sell | -2,321,300 | 658,888 | $2,042,553 |
| Q4 2025 | Sequoia Financial Advisors | Sell | -29,033 | 88,467 | $274,248 |
| Q3 2025 | Renaissance Technologies LLC | Buy | 247,894 | 2,980,188 | $7,837,894 |
| Q3 2025 | Sequoia Financial Advisors | Sell | -1,000 | 117,500 | $309,025 |
| Q2 2025 | Renaissance Technologies LLC | Buy | 1,163,139 | 2,732,294 | $3,360,722 |
| Q1 2025 | Renaissance Technologies LLC | Sell | -143,348 | 1,569,155 | $1,726,071 |
| Q4 2024 | Renaissance Technologies LLC | Sell | -32,302 | 1,712,503 | $1,549,130 |
| Q3 2024 | Renaissance Technologies LLC | Sell | -301,795 | 1,744,805 | $1,721,076 |
| Q3 2024 | Sequoia Financial Advisors | Buy | 25,000 | 118,500 | $116,889 |
| Q2 2024 | Renaissance Technologies LLC | Buy | 1,375,000 | 2,046,600 | $1,843,782 |
| Q2 2024 | Sequoia Financial Advisors | Buy | 20,000 | 93,500 | $84,235 |
| Q1 2024 | Renaissance Technologies LLC | Sell | -325,401 | 671,600 | $792 |
| Q1 2024 | Sequoia Financial Advisors | Buy | 5,000 | 73,500 | $86,730 |
| Q4 2023 | Renaissance Technologies LLC | Buy | 961,201 | 997,001 | $910 |
| Q4 2023 | Sequoia Financial Advisors | Buy | 10,000 | 68,500 | $62,507 |
| Q1 2023 | Sequoia Financial Advisors | Buy | 30,000 | 58,500 | $73,710 |
| Q4 2022 | Sequoia Financial Advisors | Buy | 17,500 | 28,500 | $61,845 |
| Q3 2022 | Renaissance Technologies LLC | Sell | -33,100 | 35,800 | $429 |
| Q3 2022 | Sequoia Financial Advisors | Buy | 11,000 | 11,000 | $132 |
| Q2 2022 | Renaissance Technologies LLC | Sell | -63,200 | 68,900 | $577 |
| Q1 2022 | Renaissance Technologies LLC | Buy | 88,400 | 132,100 | $1,147 |
| Q4 2021 | Renaissance Technologies LLC | Sell | -106,300 | 43,700 | $494 |
| Q1 2021 | Renaissance Technologies LLC | Sell | -32,800 | 150,000 | $1,388 |
| Q4 2020 | Renaissance Technologies LLC | Sell | -152,800 | 182,800 | $1,768 |
| Q3 2020 | Renaissance Technologies LLC | Sell | -28,000 | 335,600 | $4,165 |
| Q2 2020 | Renaissance Technologies LLC | Buy | 266,138 | 363,600 | $4,727 |
| Q1 2020 | Renaissance Technologies LLC | Buy | 97,462 | 97,462 | $989 |
| Q3 2019 | Baupost Group | Sell | -300,000 | 967,171 | $15,868 |
Frequently asked questions about GOSS activity
Which institutional owners are buying GOSS?
Institutional owners buying GOSS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in GOSS activity?
"Buy" means an investor increased their reported position in GOSS compared to the prior reporting period. This reflects growing exposure to GOSSAMER BIO INC (GOSS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in GOSS increasing?
Institutional interest in GOSS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related GOSS Institutional Insights
- GOSS Institutional Ownership Overview
- GOSS Institutional Ownership & Insiders Activity
- GOSS Institutional Ownership & 13F Activity
- GOSS Top Institutional Shareholders
- GOSS Institutional Buying Activity
- GOSS Institutional Selling Activity
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- GOSS Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings