GOSSAMER BIO INC (GOSS) Stock Institutional Trading Activity


GOSSAMER BIO INC (GOSS) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Sequoia Financial Advisors, and Baupost Group. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCSell-2,321,300658,888$2,042,553
Q3 2025Sequoia Financial AdvisorsSell-1,000117,500$309,025
Q3 2025Renaissance Technologies LLCBuy247,8942,980,188$7,837,894
Q2 2025Renaissance Technologies LLCBuy1,163,1392,732,294$3,360,722
Q1 2025Renaissance Technologies LLCSell-143,3481,569,155$1,726,071
Q4 2024Renaissance Technologies LLCSell-32,3021,712,503$1,549,130
Q3 2024Sequoia Financial AdvisorsBuy25,000118,500$116,889
Q3 2024Renaissance Technologies LLCSell-301,7951,744,805$1,721,076
Q2 2024Sequoia Financial AdvisorsBuy20,00093,500$84,235
Q2 2024Renaissance Technologies LLCBuy1,375,0002,046,600$1,843,782
Q1 2024Renaissance Technologies LLCSell-325,401671,600$792
Q1 2024Sequoia Financial AdvisorsBuy5,00073,500$86,730
Q4 2023Renaissance Technologies LLCBuy961,201997,001$910
Q4 2023Sequoia Financial AdvisorsBuy10,00068,500$62,507
Q1 2023Sequoia Financial AdvisorsBuy30,00058,500$73,710
Q4 2022Sequoia Financial AdvisorsBuy17,50028,500$61,845
Q3 2022Sequoia Financial AdvisorsBuy11,00011,000$132
Q3 2022Renaissance Technologies LLCSell-33,10035,800$429
Q2 2022Renaissance Technologies LLCSell-63,20068,900$577
Q1 2022Renaissance Technologies LLCBuy88,400132,100$1,147
Q4 2021Renaissance Technologies LLCSell-106,30043,700$494
Q1 2021Renaissance Technologies LLCSell-32,800150,000$1,388
Q4 2020Renaissance Technologies LLCSell-152,800182,800$1,768
Q3 2020Renaissance Technologies LLCSell-28,000335,600$4,165
Q2 2020Renaissance Technologies LLCBuy266,138363,600$4,727
Q1 2020Renaissance Technologies LLCBuy97,46297,462$989
Q3 2019Baupost GroupSell-300,000967,171$15,868
Q1 2019Baupost GroupBuy1,267,1711,267,171$26,113

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.