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 (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include D. E. Shaw & Co., Inc., Deepcurrents Investment Group Llc, 683 Capital Management, Llc, Balyasny Asset Management L.P., and Aqr Capital Management Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | Sell | -42,015 | -72.5% | 15,908 | $2.62K | Q2 2026 | Sep 09, 2026 |
| Integrated Wealth Concepts Llc | Buy | +41,097 | +284.9% | 55,521 | $9.14K | Q2 2026 | Sep 09, 2026 |
| Cornerstone Financial Management Llc | Sell | -282 | -100.0% | 0 | $0.00 | Q2 2026 | Aug 28, 2026 |
| Corient Private Wealth Llc | Buy | +1,647,315 | +41.3% | 5,632,698 | $927.14K | Q2 2026 | Aug 27, 2026 |
| Kalehua Capital Management Llc | Buy | +3,677,523 | +49.2% | 11,149,363 | $1.84M | Q2 2026 | Aug 19, 2026 |
| Mercer Global Advisors Inc | Buy | +108,535 | +57.3% | 297,863 | $49.03K | Q2 2026 | Aug 19, 2026 |
| Beacon Pointe Advisors, Llc | Buy | +20,000 | +71.4% | 48,000 | $7.90K | Q2 2026 | Aug 18, 2026 |
| D. E. Shaw & Co., Inc. | Buy | +40,569,854 | +10417.7% | 40,959,285 | $6.74M | Q2 2026 | Aug 14, 2026 |
| Deepcurrents Investment Group Llc | Buy | +37,665,073 | — | 37,665,073 | $6.03M | Q2 2026 | Aug 14, 2026 |
| 683 Capital Management, Llc | Buy | +34,198,868 | +684.0% | 39,198,868 | $6.45M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Sell | -5,818,066 | -98.2% | 104,232 | $17.16K | Q2 2026 | Aug 14, 2026 |
| Aqr Capital Management Llc | Buy | +5,503,096 | +54.3% | 15,629,993 | $2.57M | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Buy | +4,766,716 | +155.5% | 7,832,522 | $1.29M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Sell | -2,776,998 | -87.5% | 396,727 | $65.06K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +2,651,150 | +55.5% | 7,432,001 | $1.22M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +2,215,215 | +1182.0% | 2,402,633 | $395.47K | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | Buy | +2,147,993 | +43.7% | 7,065,756 | $1.16M | Q2 2026 | Aug 14, 2026 |
| Hsbc Holdings Plc | Buy | +1,469,175 | +1289.4% | 1,583,118 | $267.39K | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Sell | -842,379 | -24.8% | 2,556,378 | $420.78K | Q2 2026 | Aug 14, 2026 |
| Charles Schwab Investment Management Inc | Sell | -517,549 | -34.3% | 992,527 | $163.37K | Q2 2026 | Aug 14, 2026 |
| Jacobs Levy Equity Management, Inc | Buy | +492,243 | +29.0% | 2,187,402 | $360.05K | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +442,268 | — | 442,268 | $72.80K | Q2 2026 | Aug 14, 2026 |
| Tudor Investment Corp Et Al | Buy | +364,344 | +316.2% | 479,581 | $78.94K | Q2 2026 | Aug 14, 2026 |
| Ensign Peak Advisors, Inc | Sell | -251,146 | -14.8% | 1,450,979 | $238.83K | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +247,276 | +182.1% | 383,049 | $63.05K | Q2 2026 | Aug 14, 2026 |
| Eventide Asset Management, Llc | Buy | +163,440 | — | 163,440 | $26.80K | Q2 2026 | Aug 14, 2026 |
| Schonfeld Strategic Advisors Llc | Buy | +132,888 | — | 132,888 | $21.87K | Q2 2026 | Aug 14, 2026 |
| Osaic Holdings, Inc. | Buy | +118,860 | +8843.8% | 120,204 | $19.23K | Q2 2026 | Aug 14, 2026 |
| Adar1 Capital Management, Llc | Sell | -75,000 | -26.1% | 212,531 | $34.98K | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Sell | -69,764 | -91.5% | 6,500 | $1.07K | Q2 2026 | Aug 14, 2026 |
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 Overview
- GOSS 13F Institutional Holders
- GOSS Top Institutional Shareholders
- 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
- GOSS Articles
- Top Institutional Investor Stock Rankings