Walleye Capital’s Gossamer Bio GOSS Stock Holding History

Walleye Capital’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
2026 Q1	–	Sell	-1,077,032	Closed	-$3.34M	–	4626
2025 Q4	$3.34M	Buy	1,077,032 +531,353	+97%	+$1.52M	0.01%	1459
2025 Q3	$1.44M	Buy	+545,679	New	+$1.2M	0.01%	1819
2023 Q2	–	Sell	-1,612,721	Closed	-$2.03M	–	4521
2023 Q1	$2.03M	Buy	1,612,721 +1,594,454	+8,729%	+$3.05M	0.03%	714
2022 Q4	$39.6K	Buy	+18,267	New	+$150K	﹤0.01%	2572
2022 Q3	–	Sell	-557,366	Closed	-$6.92M	–	3346
2022 Q2	$4.67M	Buy	557,366 +304,541	+120%	+$2.36M	0.13%	187
2022 Q1	$2.19M	Buy	252,825 +71,201	+39%	+$687K	0.06%	345
2021 Q4	$2.05M	Buy	+181,624	New	+$2.16M	0.06%	321
2021 Q2	–	Sell	-27,003	Closed	-$250K	–	1407
2021 Q1	$250K	Buy	+27,003	New	+$272K	0.01%	841
2020 Q2	–	Sell	-3,626	Closed	-$37K	–	758
2020 Q1	$37K	Buy	+3,626	New	+$47.3K	0.01%	716

Other funds holding GOSS

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

KCM

Kalehua Capital Management Dallas, Texas $174M AUM

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

AVM

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

OCA

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

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

Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

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

Walleye Capital's GOSS Position: Q1 2026 in Review

Walleye Capital sold out of Gossamer Bio (GOSS) in Q1 2026, closing a stake of 1,077,032 shares — an estimated $3.34M sold.

Walleye Capital first reported a position in GOSS in Q1 2020 and held it in 9 quarters. The position peaked at $4.67M in Q2 2022. 185 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

Walleye Capital reported no remaining Gossamer Bio position as of Q1 2026 after selling out during the quarter.
Walleye Capital sold 1,077,032 Gossamer Bio shares in Q1 2026, an estimated $3.34M.
Walleye Capital first reported a position in Gossamer Bio in Q1 2020 and held it in 9 quarters.
Walleye Capital's Gossamer Bio position peaked at $4.67M in Q2 2022.
185 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Walleye Capital's 13F filing for Q1 2026, filed 11 May 2026.