Rhumbline Advisers Gossamer Bio, Inc. Transaction History

Rhumbline Advisers

$121 Billion
Q3 2025

A detailed history of Rhumbline Advisers transactions in Gossamer Bio, Inc. stock. As of the latest transaction made, Rhumbline Advisers holds 225,060 shares of GOSS stock, worth $609,912. This represents 0.0% of its overall portfolio holdings.

Number of Shares

225,060

Previous 231,049 2.59%

Holding current value

$609,912

Previous $284,000 108.1%

% of portfolio

0.0%

Previous 0.0%

22 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 06, 2025	SELL	$1.21 - $3.46 $7,246 - $20,721	-5,989 Reduced 2.59%	225,060 $591,000
Q2 2025 Aug 12, 2025	BUY	$0.78 - $1.44 $180,218 - $332,710	231,049 New	231,049 $284,000
Q2 2024 Aug 01, 2024	SELL	$0.51 - $1.27 $290 - $723	-570 Reduced 16.75%	2,834 $2,000
Q3 2023 Nov 09, 2023	SELL	$0.78 - $1.82 $3,435 - $8,017	-4,405 Reduced 56.41%	3,404 $2,000
Q2 2023 Aug 08, 2023	SELL	$0.98 - $1.53 $76,000 - $118,654	-77,552 Reduced 90.85%	7,809 $9,000

Q1 2023 May 11, 2023	BUY	$0.96 - $2.92 $1,290 - $3,924	1,344 Added 1.6%	85,361 $108,000
Q4 2022 Feb 14, 2023	BUY	$1.74 - $12.87 $3,626 - $26,821	2,084 Added 2.54%	84,017 $182,000
Q3 2022 Nov 10, 2022	BUY	$7.21 - $14.88 $59,720 - $123,251	8,283 Added 11.25%	81,933 $982,000
Q2 2022 Aug 11, 2022	SELL	$5.97 - $9.97 $67,520 - $112,760	-11,310 Reduced 13.31%	73,650 $616,000
Q1 2022 May 12, 2022	SELL	$8.44 - $12.49 $53,205 - $78,736	-6,304 Reduced 6.91%	84,960 $737,000
Q4 2021 Feb 10, 2022	BUY	$10.12 - $14.07 $7,256 - $10,088	717 Added 0.79%	91,264 $1.03 Million
Q3 2021 Nov 12, 2021	BUY	$7.25 - $13.23 $23,366 - $42,640	3,223 Added 3.69%	90,547 $1.14 Million
Q2 2021 Aug 05, 2021	BUY	$8.0 - $9.75 $72,448 - $88,296	9,056 Added 11.57%	87,324 $709,000
Q1 2021 May 06, 2021	SELL	$8.63 - $10.94 $34,865 - $44,197	-4,040 Reduced 4.91%	78,268 $724,000
Q4 2020 Feb 10, 2021	BUY	$8.3 - $13.59 $83,066 - $136,008	10,008 Added 13.84%	82,308 $796,000
Q3 2020 Nov 12, 2020	SELL	$11.3 - $14.75 $65,483 - $85,476	-5,795 Reduced 7.42%	72,300 $897,000
Q2 2020 Aug 13, 2020	BUY	$9.52 - $15.98 $169,322 - $284,220	17,786 Added 29.49%	78,095 $1.02 Million
Q1 2020 May 06, 2020	BUY	$8.0 - $15.48 $24,240 - $46,904	3,030 Added 5.29%	60,309 $612,000
Q4 2019 Feb 05, 2020	BUY	$14.82 - $26.79 $33,582 - $60,706	2,266 Added 4.12%	57,279 $895,000
Q3 2019 Oct 23, 2019	BUY	$16.02 - $22.47 $503,877 - $706,748	31,453 Added 133.5%	55,013 $924,000
Q2 2019 Aug 14, 2019	BUY	$16.12 - $22.89 $178,061 - $252,842	11,046 Added 88.27%	23,560 $523,000
Q1 2019 May 01, 2019	BUY	$17.58 - $23.97 $219,996 - $299,960	12,514 New	12,514 $271,000

Others Institutions Holding GOSS

# of Institutions

182

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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Rhumbline Advisers Gossamer Bio, Inc. Transaction History