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Gossamer Bio (GOSS) Institutional Ownership

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$8.95 -0.81 (-8.30%)
As of 03:31 PM Eastern
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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)
93
Total
Institutional Inflows
(last 12 months)
$9.62B
Number of
Institutional Sellers
(last 12 months)
38
Total
Institutional Outflows
(last 12 months)
$3.96B
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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
9/9/2026Squarepoint Ops LLC2,556,378$421K0.0%-24.8%1.089%
8/27/2026Corient Private Wealth LP5,632,698$927K0.0%+41.3%2.400%
8/19/2026Hsbc Holdings PLC1,583,118$267K0.0%+1,289.4%0.675%
8/17/2026Corient Private Wealth LP5,625,509$926K0.0%N/A2.397%
8/17/2026Bank of America Corp DE396,727$65K0.0%N/A0.169%
8/15/2026Hhlr Advisors LTD.4,974,041$819K0.1%N/A2.119%
8/15/2026ARCH Venture Management LLC8,055,916$1.33M0.0%N/A3.432%
8/14/2026ADAR1 Capital Management LLC212,531$35K0.0%N/A0.091%
8/14/2026Hsbc Holdings PLC1,583,118$267K0.0%N/A0.675%
8/12/2026Ieq Capital LLC591,254$97K0.0%N/A0.252%
8/7/2026BlackRock Inc.7,669,943$1.26M0.0%N/A3.268%
8/7/2026Deutsche Bank AG1,106,441$188K0.0%N/A0.471%
8/6/2026GSA Capital Partners LLP14,986,947$2.47M0.2%N/A6.386%
7/9/2026Hennion & Walsh Asset Management Inc.1,098,914$181K0.0%+32.6%0.468%
5/19/2026Bank of America Corp DE3,173,725$1.04M0.0%+66.5%1.352%
5/18/2026ADAR1 Capital Management LLC287,531$94K0.0%-233.4%0.123%
5/18/2026Rock Springs Capital Management LP1,609,492$529K0.0%-87.5%0.686%
5/16/2026Kalehua Capital Management LLC10,236,293$3.36M2.4%N/A4.361%
5/15/2026Octagon Capital Advisors LP7,750,000$2.55M0.3%-44.3%3.302%
5/14/2026Renaissance Technologies LLC1,217,868$400K0.0%+84.8%0.519%
5/5/2026MB Generational Wealth LLC1,532,142$503K0.3%-4.6%0.653%
4/30/2026Hsbc Holdings PLC113,943$38K0.0%N/A0.049%
4/16/2026SG 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%
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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%
2/12/2026Commonwealth 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%
2/12/2026Nuveen LLC308,522$956K0.0%-71.4%0.133%
2/11/2026Janney 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%
2/9/2026Eaton 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%
2/6/2026ProShare Advisors LLC45,338$141K0.0%+39.6%0.020%
2/6/2026HighTower Advisors LLC66,494$206K0.0%+241.0%0.029%
2/5/2026Soltis Investment Advisors LLC10,099$31K0.0%N/A0.004%
2/3/2026Sequoia Financial Advisors LLC88,467$274K0.0%-24.7%0.038%
2/3/2026MMA Asset Management LLC10,000$31K0.0%N/A0.004%
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2/2/2026Oppenheimer & Co. Inc.37,500$116K0.0%N/A0.016%
1/29/2026China Universal Asset Management Co. Ltd.47,716$148K0.0%N/A0.021%
1/26/2026Merit 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%
1/9/2026SG Americas Securities LLC74,129$230K0.0%+249.7%0.032%
1/8/2026Wealth Enhancement Advisory Services LLC23,964$74K0.0%+24.8%0.010%
1/8/2026NorthCrest Asset Manangement LLC11,484$36K0.0%N/A0.005%


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), Geode Capital Management LLC ($15.11M), Palo Alto Investors LP ($14.37M), Corient Private Wealth LLC ($11.92M), Millennium Management LLC ($11.11M), and Perceptive Advisors LLC ($9.73M).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 126 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: GSA Capital Partners LLP ($15.05M), Kalehua Capital Management LLC ($10.24M), Octagon Capital Advisors LP ($9.16M), Corient Private Wealth LLC ($8.26M), ARCH Venture Management LLC ($8.06M), BlackRock Inc. ($7.67M), and Corient Private Wealth LP ($7.27M).

Institutional investors have bought a total of 98,339,683 shares in the last 24 months. This purchase volume represents approximately $9.62B in transactions.

Of the 38 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), Alyeska Investment Group L.P. ($3.55M), Monaco Asset Management SAM ($3.24M), Renaissance Technologies LLC ($2.32M), Squarepoint Ops LLC ($842.38K), and Platinum Investment Management Ltd. ($821.91K).

Institutional investors have sold a total of 33,513,413 shares in the last 24 months. This volume of shares sold represents approximately $3.96B in transactions.


Related Companies

Institutional ownership data for NASDAQ:GOSS is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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