Woodline Partners’s Gossamer Bio GOSS Stock Holding History

Woodline Partners’s Portfolio GOSS Stock Details GOSS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-6,189	Closed	-$1.3M	–	1062
2025 Q3	$1.3M	Hold	6,189	–	–	0.01%	779
2025 Q2	$609K	Sell	6,189 -2,917	-32%	-$255K	﹤0.01%	840
2025 Q1	$801K	Hold	9,106	–	–	0.01%	785
2024 Q4	$659K	Sell	9,106 -735	-7%	-$50.4K	﹤0.01%	806
2024 Q3	$777K	Buy	9,841 +69	+0.7%	+$5.31K	0.01%	523
2024 Q2	$704K	Buy	9,772 +7,548	+339%	+$452K	0.01%	486
2024 Q1	$210K	Buy	+2,224	New	+$196K	﹤0.01%	514
2022 Q4	–	Sell	-4,733	Closed	-$4.54M	–	794
2022 Q3	$4.54M	Sell	4,733 -9,352	-66%	-$9.29M	0.06%	312
2022 Q2	$9.43M	Buy	14,085 +10,285	+271%	+$6.38M	0.15%	185
2022 Q1	$2.64M	Sell	3,800 -8,423	-69%	-$6.5M	0.04%	341
2021 Q4	$11.1M	Buy	+12,223	New	+$11.6M	0.16%	181

Other funds holding GOSS

NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Octagon Capital Advisors New York $1.11B AUM 866.76% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return

Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return

Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

6CM

683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return

HHLR Advisors Grand Cayman, Cayman Islands $832M AUM 32.38% 1-Year Est. Return

Woodline Partners's GOSS Position: Q4 2025 in Review

Woodline Partners sold out of Gossamer Bio (GOSS) in Q4 2025, closing a stake of 6,189 shares — an estimated $1.3M sold.

Woodline Partners first reported a position in GOSS in Q4 2021 and held it in 11 quarters. The position peaked at $11.1M in Q4 2021. 192 funds tracked by Wall St. Rank hold GOSS as of Q4 2025.

Woodline Partners reported no remaining Gossamer Bio position as of Q4 2025 after selling out during the quarter.
Woodline Partners sold 6,189 Gossamer Bio shares in Q4 2025, an estimated $1.3M.
Woodline Partners first reported a position in Gossamer Bio in Q4 2021 and held it in 11 quarters.
Woodline Partners's Gossamer Bio position peaked at $11.1M in Q4 2021.
192 funds tracked by Wall St. Rank held Gossamer Bio as of Q4 2025.

Based on Woodline Partners's 13F filing for Q4 2025, filed 17 Feb 2026.