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Gossamer Bio (GOSS) Institutional Ownership

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$0.21 0.00 (0.00%)
Closing price 05/22/2026 04:00 PM Eastern
Extended Trading
$0.21 +0.00 (+0.90%)
As of 05/22/2026 07:56 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Gossamer Bio (NASDAQ:GOSS)

Current
Institutional Ownership
Percentage
81.23%
Number of
Institutional Buyers
(last 12 months)
102
Total
Institutional Inflows
(last 12 months)
$120.15M
Number of
Institutional Sellers
(last 12 months)
41
Total
Institutional Outflows
(last 12 months)
$52.56M
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GOSS Institutional Buying and Selling by Quarter

Gossamer Bio Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026 Bank of America Corp DE3,173,725$1.04M0.0%+66.5%1.352%
5/18/2026 ADAR1 Capital Management LLC287,531$94K0.0%-233.4%0.123%
5/18/2026 Rock Springs Capital Management LP1,609,492$529K0.0%-87.5%0.686%
5/16/2026 Kalehua Capital Management LLC10,236,293$3.36M2.4%N/A4.361%
5/15/2026 Octagon Capital Advisors LP7,750,000$2.55M0.3%-44.3%3.302%
5/14/2026 Renaissance Technologies LLC1,217,868$400K0.0%+84.8%0.519%
5/5/2026 MB Generational Wealth LLC1,532,142$503K0.3%-4.6%0.653%
4/30/2026 Hsbc Holdings PLC113,943$38K0.0%N/A0.049%
4/16/2026 SG Americas Securities LLC128,568$42K0.0%+73.4%0.055%
3/17/2026 Rockefeller Capital Management L.P.60,866$189K0.0%+496.7%0.026%
3/9/2026 Corient Private Wealth LLC3,845,885$11.92M0.0%+19,123.7%1.662%
2/19/2026 Invesco Ltd.478,909$1.49M0.0%+36.0%0.207%
2/19/2026 Corient Private Wealth LLC3,845,885$11.92M0.0%+19,123.7%1.662%
2/18/2026 Mercer Global Advisors Inc. ADV23,983$74K0.0%+52.3%0.010%
2/18/2026 Beacon Pointe Advisors LLC11,000$34K0.0%N/A0.005%
2/18/2026 XTX Topco Ltd456,329$1.42M0.0%+66.1%0.197%
2/18/2026 VARCOV Co.83,868$260K0.1%N/A0.036%
2/18/2026 Virtus Investment Advisers LLC73,896$229K0.1%N/A0.032%
2/18/2026 Wellington Management Group LLP601,323$1.86M0.0%-6.3%0.260%
2/18/2026 Susquehanna Portfolio Strategies LLC111,350$345K0.0%+489.2%0.048%
2/18/2026 Opaleye Management Inc.2,720,000$8.43M1.1%-0.2%1.175%
2/18/2026 Perceptive Advisors LLC3,139,669$9.73M0.2%-17.7%1.356%
2/18/2026 Millennium Management LLC3,584,288$11.11M0.0%-1.0%1.549%
2/18/2026 Engineers Gate Manager LP51,129$158K0.0%N/A0.022%
2/18/2026 Balyasny Asset Management L.P.1,516,691$4.70M0.0%+96.8%0.655%
2/18/2026 Bridgeway Capital Management LLC176,000$546K0.0%-47.6%0.076%
2/17/2026 AQR Capital Management LLC1,119,240$3.47M0.0%+73.1%0.484%
2/17/2026 Cetera Investment Advisers34,249$106K0.0%N/A0.015%
2/17/2026 Lazard Asset Management LLC56,668$176K0.0%+35.9%0.024%
2/17/2026 Jain Global LLC278,189$862K0.0%-73.6%0.120%
2/17/2026 Price T Rowe Associates Inc. MD113,138$351K0.0%+12.4%0.049%
2/17/2026 Integral Health Asset Management LLC1,000,000$3.10M0.2%N/A0.432%
2/17/2026 Russell Investments Group Ltd.171,071$530K0.0%-75.0%0.074%
2/17/2026 Atom Investors LP205,639$637K0.1%+55.1%0.089%
2/17/2026 State of Wisconsin Investment Board26,304$82K0.0%N/A0.011%
2/17/2026 Mangrove Partners IM LLC30,747$95K0.0%N/A0.013%
2/17/2026 Graham Capital Management L.P.36,467$113K0.0%-45.9%0.016%
2/16/2026 Squarepoint Ops LLC221,591$687K0.0%N/A0.096%
2/16/2026 Panagora Asset Management Inc.147,296$457K0.0%+392.6%0.064%
2/16/2026 Mariner LLC64,450$200K0.0%+186.8%0.028%
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2/16/2026 Barclays PLC576,533$1.79M0.0%+112.2%0.249%
2/13/2026 The Manufacturers Life Insurance Company 58,441$181K0.0%-10.6%0.025%
2/13/2026 Walleye Capital LLC1,077,032$3.34M0.0%+97.4%0.465%
2/13/2026 Hudson Bay Capital Management LP14,180$44K0.0%N/A0.006%
2/13/2026 Jacobs Levy Equity Management Inc.2,178,033$6.75M0.0%+54.7%0.941%
2/13/2026 Rafferty Asset Management LLC312,804$970K0.0%N/A0.135%
2/13/2026 Alyeska Investment Group L.P.909,087$2.82M0.0%-52.4%0.393%
2/13/2026 Charles Schwab Investment Management Inc.1,685,778$5.23M0.0%-2.5%0.728%
2/13/2026 State Street Corp9,310,969$28.86M0.0%+139.7%4.023%
2/13/2026 Ieq Capital LLC11,211$35K0.0%N/A0.005%
2/13/2026 Caitong International Asset Management Co. Ltd26,408$82K0.2%+22.1%0.011%
2/13/2026 Wells Fargo & Company MN361,921$1.12M0.0%+210.2%0.156%
2/13/2026 Platinum Investment Management Ltd.561,951$1.74M0.4%-26.5%0.243%
2/12/2026 HRT Financial LP956,879$2.97M0.0%N/A0.413%
2/12/2026 MetLife Investment Management LLC85,645$266K0.0%-15.6%0.037%
2/12/2026Cibc World Markets Corp12,712$39K0.0%N/A0.005%
2/12/2026 Commonwealth Equity Services LLC78,756$244K0.0%+84.6%0.034%
2/12/2026 Renaissance Technologies LLC658,888$2.04M0.0%-77.9%0.285%
2/12/2026 EntryPoint Capital LLC105,085$326K0.1%+105.0%0.045%
2/12/2026 Vickerman Investment Advisors Inc.34,787$108K0.0%N/A0.015%
2/12/2026 Nuveen LLC308,522$956K0.0%-71.4%0.133%
2/11/2026 Janney Montgomery Scott LLC12,700$39K0.0%N/A0.005%
2/11/2026 Deutsche Bank AG1,284,335$3.98M0.0%+0.4%0.555%
2/11/2026 Cerity Partners LLC31,914$99K0.0%+39.7%0.014%
2/11/2026 O Shaughnessy Asset Management LLC13,107$41K0.0%N/A0.006%
2/10/2026 Goldman Sachs Group Inc.1,792,114$5.56M0.0%+498.2%0.774%
2/10/2026 AXQ Capital LP63,117$196K0.0%+36.1%0.027%
2/10/2026 Monaco Asset Management SAM309,211$959K0.2%-77.6%0.134%
2/10/2026 Intech Investment Management LLC85,582$265K0.0%-15.1%0.037%
2/9/2026 Eaton Financial Holdings Company LLC14,199$44K0.0%N/A0.006%
2/9/2026 Geode Capital Management LLC4,872,714$15.11M0.0%+3.9%2.105%
2/6/2026 ProShare Advisors LLC45,338$141K0.0%+39.6%0.020%
2/6/2026 HighTower Advisors LLC66,494$206K0.0%+241.0%0.029%
2/5/2026 Soltis Investment Advisors LLC10,099$31K0.0%N/A0.004%
2/3/2026 Sequoia Financial Advisors LLC88,467$274K0.0%-24.7%0.038%
2/3/2026 MMA Asset Management LLC10,000$31K0.0%N/A0.004%
2/2/2026 Oppenheimer & Co. Inc.37,500$116K0.0%N/A0.016%
1/29/2026 China Universal Asset Management Co. Ltd.47,716$148K0.0%N/A0.021%
1/26/2026 Merit Financial Group LLC155,178$481K0.0%+15.2%0.067%
1/26/2026 Mirae Asset Global Investments Co. Ltd.11,247$35K0.0%N/A0.005%
1/26/2026 CWM LLC33,957$105K0.0%+35.7%0.015%
1/23/2026 Choreo LLC75,111$234K0.0%-11.7%0.032%
1/14/2026 Hennion & Walsh Asset Management Inc.652,977$2.02M0.1%N/A0.282%
1/9/2026 SG Americas Securities LLC74,129$230K0.0%+249.7%0.032%
1/8/2026 Wealth Enhancement Advisory Services LLC23,964$74K0.0%+24.8%0.010%
1/8/2026 NorthCrest Asset Manangement LLC11,484$36K0.0%N/A0.005%
1/1/2026 JPMorgan Chase & Co.194,369$511K0.0%+114.9%0.084%
1/1/2026 Tudor Investment Corp ET AL50,103$132K0.0%+7.8%0.022%
12/9/2025 Tudor Investment Corp ET AL50,103$132K0.0%+7.8%0.022%
11/21/2025 CIBC Bancorp USA Inc.20,246$53K0.0%N/A0.009%
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11/19/2025 Caitong International Asset Management Co. Ltd21,637$57K0.0%N/A0.009%
11/17/2025 Jacobs Levy Equity Management Inc.1,408,118$3.70M0.0%+29.0%0.608%
11/17/2025 XTX Topco Ltd274,782$723K0.0%+177.6%0.119%
11/17/2025 Alyeska Investment Group L.P.1,909,087$5.02M0.0%-57.2%0.825%
11/17/2025 Voleon Capital Management LP19,500$51K0.0%N/A0.008%
11/17/2025 Velan Capital Investment Management LP70,000$184K0.2%-6.7%0.030%
11/17/2025 Qube Research & Technologies Ltd208,789$549K0.0%-16.4%0.090%
11/17/2025 Prelude Capital Management LLC136,200$358K0.0%-63.6%0.059%
11/17/2025 Palo Alto Investors LP5,464,349$14.37M2.7%-4.8%2.361%
11/17/2025 Mercer Global Advisors Inc. ADV15,744$41K0.0%N/A0.007%


GOSS Institutional Ownership - Frequently Asked Questions

During the previous two years, 149 institutional investors and hedge funds held shares of Gossamer Bio. The most heavily invested institutionals were Vanguard Group Inc. ($31.59M), State Street Corp ($28.86M), NEA Management Company LLC ($16.30M), Geode Capital Management LLC ($15.11M), Palo Alto Investors LP ($14.37M), Corient Private Wealth LLC ($11.92M), and Millennium Management LLC ($11.11M).Learn more on Gossamer Bio's institutional investors.

81.23% of Gossamer Bio's stock is owned by institutional investors. Learn more on GOSS's institutional investor holdings.

Of the 127 institutional investors that purchased Gossamer Bio's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Kalehua Capital Management LLC ($10.24M), Octagon Capital Advisors LP ($9.16M), Corient Private Wealth LLC ($8.26M), State Street Corp ($5.43M), Bank of America Corp DE ($4.13M), Monaco Asset Management SAM ($3.69M), and Millennium Management LLC ($3.58M).

Institutional investors have bought a total of 56,350,626 shares in the last 24 months. This purchase volume represents approximately $120.15M in transactions.

Of the 41 institutional investors that sold Gossamer Bio's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Rock Springs Capital Management LP ($11.23M), Octagon Capital Advisors LP ($6.17M), Monaco Asset Management SAM ($4.54M), Alyeska Investment Group L.P. ($3.55M), Renaissance Technologies LLC ($2.32M), Platinum Investment Management Ltd. ($1.17M), and Jain Global LLC ($776.17K).

Institutional investors have sold a total of 35,259,799 shares in the last 24 months. This volume of shares sold represents approximately $52.56M in transactions.


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This page (NASDAQ:GOSS) was last updated on 5/26/2026 by MarketBeat.com Staff.
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