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.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheSell-42,015-72.5%15,908$2.62KQ2 2026Sep 09, 2026
Integrated Wealth Concepts LlcBuy+41,097+284.9%55,521$9.14KQ2 2026Sep 09, 2026
Cornerstone Financial Management LlcSell-282-100.0%0$0.00Q2 2026Aug 28, 2026
Corient Private Wealth LlcBuy+1,647,315+41.3%5,632,698$927.14KQ2 2026Aug 27, 2026
Kalehua Capital Management LlcBuy+3,677,523+49.2%11,149,363$1.84MQ2 2026Aug 19, 2026
Mercer Global Advisors IncBuy+108,535+57.3%297,863$49.03KQ2 2026Aug 19, 2026
Beacon Pointe Advisors, LlcBuy+20,000+71.4%48,000$7.90KQ2 2026Aug 18, 2026
D. E. Shaw & Co., Inc.Buy+40,569,854+10417.7%40,959,285$6.74MQ2 2026Aug 14, 2026
Deepcurrents Investment Group LlcBuy+37,665,07337,665,073$6.03MQ2 2026Aug 14, 2026
683 Capital Management, LlcBuy+34,198,868+684.0%39,198,868$6.45MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Sell-5,818,066-98.2%104,232$17.16KQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+5,503,096+54.3%15,629,993$2.57MQ2 2026Aug 14, 2026
Barclays PlcBuy+4,766,716+155.5%7,832,522$1.29MQ2 2026Aug 14, 2026
Bank Of America CorpSell-2,776,998-87.5%396,727$65.06KQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+2,651,150+55.5%7,432,001$1.22MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+2,215,215+1182.0%2,402,633$395.47KQ2 2026Aug 14, 2026
Qube Research & Technologies LtdBuy+2,147,993+43.7%7,065,756$1.16MQ2 2026Aug 14, 2026
Hsbc Holdings PlcBuy+1,469,175+1289.4%1,583,118$267.39KQ2 2026Aug 14, 2026
Squarepoint Ops LlcSell-842,379-24.8%2,556,378$420.78KQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncSell-517,549-34.3%992,527$163.37KQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncBuy+492,243+29.0%2,187,402$360.05KQ2 2026Aug 14, 2026
Invesco Ltd.Buy+442,268442,268$72.80KQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlBuy+364,344+316.2%479,581$78.94KQ2 2026Aug 14, 2026
Ensign Peak Advisors, IncSell-251,146-14.8%1,450,979$238.83KQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+247,276+182.1%383,049$63.05KQ2 2026Aug 14, 2026
Eventide Asset Management, LlcBuy+163,440163,440$26.80KQ2 2026Aug 14, 2026
Schonfeld Strategic Advisors LlcBuy+132,888132,888$21.87KQ2 2026Aug 14, 2026
Osaic Holdings, Inc.Buy+118,860+8843.8%120,204$19.23KQ2 2026Aug 14, 2026
Adar1 Capital Management, LlcSell-75,000-26.1%212,531$34.98KQ2 2026Aug 14, 2026
Wells Fargo & Company/MnSell-69,764-91.5%6,500$1.07KQ2 2026Aug 14, 2026
Showing 30 of 175

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.