Acadian Asset Management LLC Gossamer Bio, Inc. Transaction History

Acadian Asset Management LLC

$57.3 Billion
Q3 2025

A detailed history of Acadian Asset Management LLC transactions in Gossamer Bio, Inc. stock. As of the latest transaction made, Acadian Asset Management LLC holds 5,012,969 shares of GOSS stock, worth $13.6 Million. This represents 0.02% of its overall portfolio holdings.

Number of Shares

5,012,969

Previous 7,146,022 29.85%

Holding current value

$13.6 Million

Previous $8.79 Million 50.02%

% of portfolio

0.02%

Previous 0.02%

12 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$1.21 - $3.46 $2.58 Million - $7.38 Million	-2,133,053 Reduced 29.85%	5,012,969 $13.2 Million
Q2 2025 Aug 07, 2025	BUY	$0.78 - $1.44 $614,569 - $1.13 Million	787,909 Added 12.39%	7,146,022 $8.79 Million
Q1 2025 May 21, 2025	BUY	$0.85 - $1.53 $1.07 Million - $1.92 Million	1,253,353 Added 24.55%	6,358,113 $6.99 Million
Q4 2024 Feb 11, 2025	BUY	$0.66 - $1.07 $763,297 - $1.24 Million	1,156,511 Added 29.29%	5,104,760 $4.62 Million
Q3 2024 Nov 12, 2024	BUY	$0.79 - $1.25 $280,832 - $444,355	355,484 Added 9.89%	3,948,249 $3.89 Million

Q2 2024 Aug 06, 2024	BUY	$0.51 - $1.27 $436,753 - $1.09 Million	856,380 Added 31.3%	3,592,765 $3.24 Million
Q1 2024 May 10, 2024	BUY	$0.8 - $1.51 $744,998 - $1.41 Million	931,248 Added 51.59%	2,736,385 $3.23 Million
Q4 2023 Feb 13, 2024	BUY	$0.48 - $1.08 $129,828 - $292,113	270,475 Added 17.62%	1,805,137 $1.64 Million
Q3 2023 Nov 13, 2023	SELL	$0.78 - $1.82 $1.2 Million - $2.79 Million	-1,532,054 Reduced 49.96%	1,534,662 $1.28 Million
Q2 2023 Aug 07, 2023	BUY	$0.98 - $1.53 $836,262 - $1.31 Million	853,329 Added 38.55%	3,066,716 $3.68 Million
Q1 2023 May 11, 2023	BUY	$0.96 - $2.92 $729,261 - $2.22 Million	759,647 Added 52.25%	2,213,387 $2.79 Million
Q4 2022 Feb 14, 2023	BUY	$1.74 - $12.87 $2.53 Million - $18.7 Million	1,453,740 New	1,453,740 $3.15 Million

Others Institutions Holding GOSS

# of Institutions

180

Shares Held

163M

Call Options Held

8.11M

Put Options Held

211K

View Full List

About Gossamer Bio, Inc.

Ticker GOSS
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 93,954,000
Market Cap $255M
Description
Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on discovering, acquiring, developing, and commercializing therapeutics in the disease areas of immunology, inflammation, and oncology in the United States. The company is developing GB002, an inhaled, small molecule, platelet-derived growth factor receptor, or PDGFR, colony...

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Acadian Asset Management LLC Gossamer Bio, Inc. Transaction History