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Gossamer Bio (GOSS) Institutional Ownership

Gossamer Bio logo
$1.02 +0.14 (+15.69%)
As of 04/30/2025 04:00 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)
34
Total
Institutional Inflows
(last 12 months)
$26.01M
Number of
Institutional Sellers
(last 12 months)
19
Total
Institutional Outflows
(last 12 months)
$13.39M
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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
2/27/2025Jefferies Financial Group Inc.100,000$90K0.0%N/A0.044%
2/20/2025Mackenzie Financial Corp299,815$271K0.0%+499.0%0.132%
2/17/2025Woodline Partners LP728,459$659K0.0%-7.5%0.321%
2/17/2025Velan Capital Investment Management LP75,000$68K0.1%N/A0.033%
2/17/2025Squarepoint Ops LLC71,944$65K0.0%-51.0%0.032%
2/17/2025Two Sigma Investments LP891,279$806K0.0%+41.3%0.393%
2/17/2025Two Sigma Advisers LP1,157,500$1.05M0.0%+44.7%0.511%
2/17/2025Octagon Capital Advisors LP18,350,000$16.60M2.7%+99.7%8.098%
2/17/2025Millennium Management LLC3,586,067$3.24M0.0%+14.6%1.583%
2/17/2025Lazard Asset Management LLC107,470$97K0.0%+7,992.6%0.047%
2/17/2025Jacobs Levy Equity Management Inc.1,534,668$1.39M0.0%-18.7%0.677%
2/17/2025Jefferies Financial Group Inc.100,000$90K0.0%N/A0.044%
2/17/2025Graham Capital Management L.P.34,947$32K0.0%N/A0.015%
2/17/2025Fullcircle Wealth LLC47,954$43K0.0%N/A0.021%
2/17/2025DAFNA Capital Management LLC1,409,262$1.28M0.3%-0.7%0.622%
2/17/2025Bridgeway Capital Management LLC541,000$489K0.0%-2.0%0.239%
2/17/2025Bank of America Corp DE84,788$77K0.0%+107.2%0.037%
2/17/2025Alyeska Investment Group L.P.8,808,514$7.97M0.0%+52.7%3.887%
2/17/2025Allostery Investments LP613,028$555K0.6%N/A0.271%
2/14/2025Schonfeld Strategic Advisors LLC154,700$140K0.0%-34.6%0.068%
2/14/2025Opti Capital Management LP182,319$165K0.0%N/A0.080%
2/14/2025Price T Rowe Associates Inc. MD64,777$59K0.0%-99.0%0.029%
2/14/2025Silverarc Capital Management LLC6,171,847$5.58M1.2%+9.3%2.724%
2/13/2025Marshall Wace LLP2,534,378$2.28M0.0%-27.3%1.118%
2/13/2025Renaissance Technologies LLC1,712,503$1.55M0.0%-1.9%0.756%
2/13/2025Smith Moore & CO.300,000$271K0.0%+32.7%0.132%
2/12/2025Geode Capital Management LLC2,250,461$2.04M0.0%+1.7%0.993%
2/12/2025Diametric Capital LP223,770$202K0.1%-22.1%0.099%
2/11/2025Platinum Investment Management Ltd.3,180,295$2.88M0.2%-9.8%1.403%
2/10/2025Monaco Asset Management SAM5,371,641$4.86M0.7%+39.5%2.371%
2/6/2025Victory Capital Management Inc.265,407$240K0.0%-3.3%0.117%
2/6/2025Charles Schwab Investment Management Inc.1,241,979$1.12M0.0%+1.1%0.548%
1/27/2025 Financial Advocates Investment Management78,616$71K0.0%-16.0%0.035%
1/13/2025 Sivia Capital Partners LLC28,018$25K0.0%-28.2%0.012%
12/13/2024Exome Asset Management LLC468,499$462K0.3%-58.5%0.207%
11/16/2024Geode Capital Management LLC2,212,377$2.18M0.0%-3.1%0.976%
11/15/2024Jacobs Levy Equity Management Inc.1,887,512$1.86M0.0%+30.7%0.833%
11/13/2024The Manufacturers Life Insurance Company385,133$380K0.0%+24.2%0.170%
11/12/2024Charles Schwab Investment Management Inc.1,228,077$1.21M0.0%-2.7%0.543%
11/5/2024GSA Capital Partners LLP67,546$67K0.0%N/A0.030%
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10/28/2024US Bancorp DE39,655$39K0.0%N/A0.018%
10/25/2024 Financial Advocates Investment Management93,550$92K0.0%-12.4%0.041%
10/22/2024 Sequoia Financial Advisors LLC118,500$117K0.0%+26.7%0.052%
8/16/2024Algert Global LLC83,543$75K0.0%N/A0.037%
8/15/2024The Manufacturers Life Insurance Company310,213$279K0.0%+67.4%0.137%
8/15/2024Millennium Management LLC5,597,378$5.04M0.0%-13.8%2.474%
8/14/2024NEA Management Company LLC18,093,034$16.30M1.2%+14.2%7.998%
8/14/2024Marshall Wace LLP3,335,511$3.00M0.0%+170.8%1.474%
8/9/2024Renaissance Technologies LLC2,046,600$1.84M0.0%+204.7%0.905%
8/8/2024Federated Hermes Inc.3,065,136$2.76M0.0%-2.2%1.355%
8/7/2024Monaco Asset Management SAM2,726,104$2.46M0.4%+390.3%1.205%
8/7/2024Choreo LLC48,111$46K0.0%N/A0.021%
8/6/2024Acadian Asset Management LLC3,592,765$3.24M0.0%+31.3%1.588%
8/3/2024TD Asset Management Inc641,498$578K0.0%+51.9%0.284%
7/29/2024 Financial Advocates Investment Management106,850$96K0.0%+57.5%0.047%
7/16/2024 Sequoia Financial Advisors LLC93,500$84K0.0%+27.2%0.041%
5/16/2024Jacobs Levy Equity Management Inc.1,634,084$1.93M0.0%-22.3%0.722%
5/15/2024Price T Rowe Associates Inc. MD2,891,005$3.41M0.0%-21.8%1.278%
5/14/2024Platinum Investment Management Ltd.4,694,065$5.54M0.2%-32.5%2.075%
5/10/2024Acadian Asset Management LLC2,736,385$3.23M0.0%+51.6%1.210%
5/10/2024Vanguard Group Inc.11,763,784$13.88M0.0%+1.1%5.200%
5/9/2024Monaco Asset Management SAM556,000$656K0.2%+98.6%0.246%
5/7/2024 SG Americas Securities LLC28,520$34K0.0%N/A0.013%
4/19/2024 Sivia Capital Partners LLC24,568$29K0.0%N/A0.011%
2/16/2024Madison Avenue Partners LP5,054,472$4.61M0.7%-17.5%2.242%
2/15/2024Octagon Capital Advisors LP9,187,883$8.38M1.3%+12.2%4.076%
2/15/2024Birchview Capital LP138,176$126K0.1%-33.9%0.061%
2/14/2024ADAR1 Capital Management LLC713,028$651K0.2%N/A0.316%
2/14/2024Platinum Investment Management Ltd.6,954,110$6.35M0.3%+29.8%3.085%
2/13/2024Armistice Capital LLC4,156,000$3.79M0.1%-16.1%1.844%
2/12/2024Monashee Investment Management LLC3,459,854$3.16M0.6%-34.8%1.535%
2/9/2024Corient Private Wealth LLC2,937,931$2.68M0.0%+48.9%1.303%
2/8/2024 Financial Advocates Investment Management98,350$90K0.0%+35.0%0.044%
2/7/2024Monaco Asset Management SAM280,000$256K0.1%N/A0.124%
2/5/2024Victory Capital Management Inc.312,357$285K0.0%+1,402.4%0.139%
1/31/2024Federated Hermes Inc.3,206,460$2.93M0.0%-19.7%1.423%
12/6/2023Citigroup Inc.196,732$164K0.0%+9,916.9%0.087%
11/15/2023Kynam Capital Management LP250,000$208K0.0%N/A0.111%
11/15/2023Armistice Capital LLC4,956,000$4.13M0.1%N/A2.199%
11/14/2023Palo Alto Investors LP6,530,288$5.44M0.5%+88.5%2.897%
11/14/2023AWM Investment Company Inc.613,028$511K0.1%N/A0.272%
11/14/2023ARCH Venture Management LLC8,055,916$6.71M4.4%N/A3.574%
11/14/2023Stonepine Capital Management LLC3,339,405$2.78M0.9%N/A1.481%
11/14/2023Monashee Investment Management LLC5,304,212$4.42M1.8%N/A2.353%
11/13/2023Federated Hermes Inc.3,994,723$3.33M0.0%+326.2%1.772%
11/13/2023Acadian Asset Management LLC1,534,662$1.28M0.0%-50.0%0.681%
11/13/2023Silverarc Capital Management LLC6,130,268$5.11M1.5%N/A2.720%
11/3/2023Platinum Investment Management Ltd.5,357,778$4.46M0.2%+126.7%2.378%
10/27/2023 Financial Advocates Investment Management72,850$61K0.0%N/A0.032%
10/24/2023 Bank of New York Mellon Corp91,246$76K0.0%+178.0%0.040%
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8/9/2023TD Asset Management Inc95,100$114K0.0%+270.5%0.100%
8/7/2023 Principal Financial Group Inc.33,504$40K0.0%+58.4%0.035%
8/7/2023Acadian Asset Management LLC3,066,716$3.68M0.0%+38.6%3.213%
7/28/2023Vanguard Personalized Indexing Management LLC44,356$53K0.0%N/A0.046%
5/15/2023XTX Topco Ltd433,193$546K0.1%+62.2%0.454%
5/12/2023HRT Financial LP1,548,153$1.95M0.0%N/A1.622%
5/12/2023Platinum Investment Management Ltd.2,363,170$2.98M0.1%N/A2.476%
5/11/2023Acadian Asset Management LLC2,213,387$2.79M0.0%+52.3%2.319%
5/10/2023Connor Clark & Lunn Investment Management Ltd.265,644$335K0.0%N/A0.278%
5/9/2023Tower Research Capital LLC TRC92,436$116K0.0%+34.2%0.097%
(Data available from 1/1/2016 forward)

GOSS Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of GOSS shares?

During the previous two years, 67 institutional investors and hedge funds held shares of Gossamer Bio. The most heavily invested institutionals were Octagon Capital Advisors LP ($16.60M), NEA Management Company LLC ($16.30M), Vanguard Group Inc. ($13.88M), Alyeska Investment Group L.P. ($7.97M), ARCH Venture Management LLC ($6.71M), Silverarc Capital Management LLC ($5.58M), and Palo Alto Investors LP ($5.44M).Learn more on GOSS's institutional investors.

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

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

Which institutional investors have been buying Gossamer Bio stock?

Of the 57 institutional investors that purchased Gossamer Bio stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Octagon Capital Advisors LP ($10.16M), ARCH Venture Management LLC ($8.06M), Platinum Investment Management Ltd. ($6.95M), Silverarc Capital Management LLC ($6.66M), Monashee Investment Management LLC ($5.30M), Armistice Capital LLC ($4.96M), and Monaco Asset Management SAM ($4.25M).

How much institutional buying is happening at Gossamer Bio?

Institutional investors have bought a total of 77,844,158 shares in the last 24 months. This purchase volume represents approximately $70.39M in transactions.

Which Gossamer Bio major shareholders have been selling company stock?

Of the 24 institutional investors that sold Gossamer Bio stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Price T Rowe Associates Inc. MD ($7.17M), Platinum Investment Management Ltd. ($2.60M), Monashee Investment Management LLC ($1.84M), Acadian Asset Management LLC ($1.53M), Madison Avenue Partners LP ($1.08M), Marshall Wace LLP ($950.55K), and Millennium Management LLC ($898.04K).

How much institutional selling is happening at Gossamer Bio?

Institutional investors have sold a total of 19,772,764 shares in the last 24 months. This volume of shares sold represents approximately $18.85M in transactions.


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This page (NASDAQ:GOSS) was last updated on 5/1/2025 by MarketBeat.com Staff
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