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Gossamer Bio (GOSS) Institutional Ownership

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$0.34 -0.01 (-4.11%)
Closing price 04:00 PM Eastern
Extended Trading
$0.34 +0.00 (+0.89%)
As of 05:09 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)
104
Total
Institutional Inflows
(last 12 months)
$120.56M
Number of
Institutional Sellers
(last 12 months)
43
Total
Institutional Outflows
(last 12 months)
$64.10M
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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
5/5/2026MB 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%
3/17/2026Rockefeller Capital Management L.P.60,866$189K0.0%+496.7%0.026%
3/9/2026Corient Private Wealth LLC3,845,885$11.92M0.0%+19,123.7%1.662%
2/19/2026Invesco Ltd.478,909$1.49M0.0%+36.0%0.207%
2/19/2026Corient Private Wealth LLC3,845,885$11.92M0.0%+19,123.7%1.662%
2/18/2026Mercer Global Advisors Inc. ADV23,983$74K0.0%+52.3%0.010%
2/18/2026Beacon Pointe Advisors LLC11,000$34K0.0%N/A0.005%
2/18/2026XTX Topco Ltd456,329$1.42M0.0%+66.1%0.197%
2/18/2026VARCOV Co.83,868$260K0.1%N/A0.036%
2/18/2026Virtus Investment Advisers LLC73,896$229K0.1%N/A0.032%
2/18/2026Wellington Management Group LLP601,323$1.86M0.0%-6.3%0.260%
2/18/2026Susquehanna Portfolio Strategies LLC111,350$345K0.0%+489.2%0.048%
2/18/2026Opaleye Management Inc.2,720,000$8.43M1.1%-0.2%1.175%
2/18/2026Perceptive Advisors LLC3,139,669$9.73M0.2%-17.7%1.356%
2/18/2026Millennium Management LLC3,584,288$11.11M0.0%-1.0%1.549%
2/18/2026Engineers Gate Manager LP51,129$158K0.0%N/A0.022%
2/18/2026Balyasny Asset Management L.P.1,516,691$4.70M0.0%+96.8%0.655%
2/18/2026Bridgeway Capital Management LLC176,000$546K0.0%-47.6%0.076%
2/17/2026AQR Capital Management LLC1,119,240$3.47M0.0%+73.1%0.484%
2/17/2026Cetera Investment Advisers34,249$106K0.0%N/A0.015%
2/17/2026Lazard Asset Management LLC56,668$176K0.0%+35.9%0.024%
2/17/2026Jain Global LLC278,189$862K0.0%-73.6%0.120%
2/17/2026Price T Rowe Associates Inc. MD113,138$351K0.0%+12.4%0.049%
2/17/2026Integral Health Asset Management LLC1,000,000$3.10M0.2%N/A0.432%
2/17/2026Russell Investments Group Ltd.171,071$530K0.0%-75.0%0.074%
2/17/2026Atom Investors LP205,639$637K0.1%+55.1%0.089%
2/17/2026State of Wisconsin Investment Board26,304$82K0.0%N/A0.011%
2/17/2026Mangrove Partners IM LLC30,747$95K0.0%N/A0.013%
2/17/2026Graham Capital Management L.P.36,467$113K0.0%-45.9%0.016%
2/16/2026Squarepoint Ops LLC221,591$687K0.0%N/A0.096%
2/16/2026Panagora Asset Management Inc.147,296$457K0.0%+392.6%0.064%
2/16/2026Mariner LLC64,450$200K0.0%+186.8%0.028%
2/16/2026Barclays PLC576,533$1.79M0.0%+112.2%0.249%
2/13/2026The Manufacturers Life Insurance Company 58,441$181K0.0%-10.6%0.025%
2/13/2026Walleye Capital LLC1,077,032$3.34M0.0%+97.4%0.465%
2/13/2026Hudson Bay Capital Management LP14,180$44K0.0%N/A0.006%
2/13/2026Jacobs Levy Equity Management Inc.2,178,033$6.75M0.0%+54.7%0.941%
2/13/2026Rafferty Asset Management LLC312,804$970K0.0%N/A0.135%
2/13/2026Alyeska Investment Group L.P.909,087$2.82M0.0%-52.4%0.393%
2/13/2026Charles Schwab Investment Management Inc.1,685,778$5.23M0.0%-2.5%0.728%
2/13/2026State Street Corp9,310,969$28.86M0.0%+139.7%4.023%
2/13/2026Ieq Capital LLC11,211$35K0.0%N/A0.005%
2/13/2026Caitong International Asset Management Co. Ltd26,408$82K0.2%+22.1%0.011%
2/13/2026Wells Fargo & Company MN361,921$1.12M0.0%+210.2%0.156%
2/13/2026Platinum Investment Management Ltd.561,951$1.74M0.4%-26.5%0.243%
2/12/2026HRT Financial LP956,879$2.97M0.0%N/A0.413%
2/12/2026MetLife 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%
2/12/2026Renaissance Technologies LLC658,888$2.04M0.0%-77.9%0.285%
2/12/2026EntryPoint Capital LLC105,085$326K0.1%+105.0%0.045%
2/12/2026Vickerman 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%
2/11/2026Deutsche Bank AG1,284,335$3.98M0.0%+0.4%0.555%
2/11/2026Cerity Partners LLC31,914$99K0.0%+39.7%0.014%
2/11/2026O Shaughnessy Asset Management LLC13,107$41K0.0%N/A0.006%
2/10/2026Goldman Sachs Group Inc.1,792,114$5.56M0.0%+498.2%0.774%
2/10/2026AXQ Capital LP63,117$196K0.0%+36.1%0.027%
2/10/2026Monaco Asset Management SAM309,211$959K0.2%-77.6%0.134%
2/10/2026Intech Investment Management LLC85,582$265K0.0%-15.1%0.037%
2/9/2026 Eaton Financial Holdings Company LLC14,199$44K0.0%N/A0.006%
2/9/2026Geode 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%
2/6/2026HighTower 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%
1/26/2026Mirae Asset Global Investments Co. Ltd.11,247$35K0.0%N/A0.005%
1/26/2026CWM LLC33,957$105K0.0%+35.7%0.015%
1/23/2026Choreo LLC75,111$234K0.0%-11.7%0.032%
1/14/2026Hennion & 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%
1/1/2026JPMorgan Chase & Co.194,369$511K0.0%+114.9%0.084%
1/1/2026Tudor Investment Corp ET AL50,103$132K0.0%+7.8%0.022%
12/9/2025Tudor Investment Corp ET AL50,103$132K0.0%+7.8%0.022%
11/21/2025CIBC Bancorp USA Inc.20,246$53K0.0%N/A0.009%
11/19/2025Caitong International Asset Management Co. Ltd21,637$57K0.0%N/A0.009%
11/17/2025Jacobs Levy Equity Management Inc.1,408,118$3.70M0.0%+29.0%0.608%
11/17/2025XTX Topco Ltd274,782$723K0.0%+177.6%0.119%
11/17/2025Alyeska Investment Group L.P.1,909,087$5.02M0.0%-57.2%0.825%
11/17/2025Voleon Capital Management LP19,500$51K0.0%N/A0.008%
11/17/2025Velan Capital Investment Management LP70,000$184K0.2%-6.7%0.030%
11/17/2025Qube Research & Technologies Ltd208,789$549K0.0%-16.4%0.090%
11/17/2025Prelude Capital Management LLC136,200$358K0.0%-63.6%0.059%
11/17/2025Palo Alto Investors LP5,464,349$14.37M2.7%-4.8%2.361%
11/17/2025Mercer Global Advisors Inc. ADV15,744$41K0.0%N/A0.007%
11/17/2025Millennium Management LLC3,619,329$9.52M0.0%+629.3%1.564%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.87,274$230K0.0%-16.0%0.038%
11/17/2025Jain Global LLC1,054,356$2.77M0.0%N/A0.456%
11/17/2025Focus Partners Wealth1,325,198$3.49M0.0%+15.2%0.573%
11/17/2025Brevan Howard Capital Management LP14,093$37K0.0%N/A0.006%
11/17/2025Bank of America Corp DE2,881,904$7.58M0.0%+4,196.2%1.245%


GOSS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of GOSS shares?

During the previous two years, 147 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), Octagon Capital Advisors LP ($16.60M), NEA Management Company LLC ($16.30M), Geode Capital Management LLC ($15.11M), Palo Alto Investors LP ($14.37M), and Corient Private Wealth LLC ($11.92M).Learn more on Gossamer Bio's institutional investors.

What percentage of Gossamer Bio's stock is owned by institutional investors?

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

Which institutional investors have been buying Gossamer Bio's stock?

Of the 125 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: Octagon Capital Advisors LP ($9.16M), Corient Private Wealth LLC ($8.26M), State Street Corp ($5.43M), Monaco Asset Management SAM ($3.97M), Acadian Asset Management LLC ($3.83M), Millennium Management LLC ($3.58M), and Goldman Sachs Group Inc. ($3.14M).

How much institutional buying is happening at Gossamer Bio?

Institutional investors have bought a total of 47,911,203 shares in the last 24 months. This purchase volume represents approximately $120.56M in transactions.

Which of Gossamer Bio's major shareholders have been selling company stock?

Of the 43 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: Alyeska Investment Group L.P. ($8.19M), ADAR1 Capital Management LLC ($8.09M), Monaco Asset Management SAM ($5.06M), Renaissance Technologies LLC ($2.32M), Jacobs Levy Equity Management Inc. ($1.25M), Platinum Investment Management Ltd. ($1.17M), and Jain Global LLC ($776.17K).

How much institutional selling is happening at Gossamer Bio?

Institutional investors have sold a total of 33,557,234 shares in the last 24 months. This volume of shares sold represents approximately $64.10M in transactions.


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