Jane Street’s Gossamer Bio GOSS Stock Holding History

Jane Street’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	-155,591	Closed	-$245K	–	12099
2025 Q4	$482K	Sell	155,591 -546,474	-78%	-$1.56M	﹤0.01%	7766
2025 Q3	$1.85M	Buy	+702,065	New	+$1.55M	﹤0.01%	5087
2025 Q2	–	Sell	-683,423	Closed	-$745K	–	10097
2025 Q1	$752K	Buy	683,423 +670,649	+5,250%	+$775K	﹤0.01%	6100
2024 Q4	$11.6K	Buy	+12,774	New	+$10.9K	﹤0.01%	9169
2024 Q3	–	Sell	-93,354	Closed	-$84.1K	–	9878
2024 Q2	$84.1K	Sell	93,354 -228,976	-71%	-$171K	﹤0.01%	8797
2024 Q1	$380K	Buy	322,330 +100,527	+45%	+$111K	﹤0.01%	7162
2023 Q4	$202K	Buy	221,803 +207,912	+1,497%	+$154K	﹤0.01%	8201
2023 Q3	$11.6K	Sell	13,891 -317,843	-96%	-$366K	﹤0.01%	8370
2023 Q2	$398K	Sell	331,734 -959,410	-74%	-$1.19M	﹤0.01%	6671
2023 Q1	$1.63M	Buy	1,291,144 +1,196,672	+1,267%	+$2.29M	﹤0.01%	4176
2022 Q4	$205K	Sell	94,472 -50,419	-35%	-$415K	﹤0.01%	7640
2022 Q3	$1.74M	Buy	144,891 +49,194	+51%	+$611K	﹤0.01%	4438
2022 Q2	$801K	Buy	95,697 +64,006	+202%	+$496K	﹤0.01%	5894
2022 Q1	$275K	Buy	31,691 +3,726	+13%	+$35.9K	﹤0.01%	8535
2021 Q4	$317K	Sell	27,965 -20,036	-42%	-$238K	﹤0.01%	8064
2021 Q3	$603K	Buy	48,001 +27,784	+137%	+$256K	﹤0.01%	6917
2021 Q2	$164K	Buy	+20,217	New	+$175K	﹤0.01%	8974
2021 Q1	–	Sell	-32,485	Closed	-$314K	–	9284
2020 Q4	$314K	Sell	32,485 -6,005	-16%	-$59.1K	﹤0.01%	6336
2020 Q3	$477K	Buy	+38,490	New	+$510K	﹤0.01%	5223

Other funds holding GOSS

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

6CM

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

DIG

DeepCurrents Investment Group New York $3.3B AUM 12.57% 1-Year Est. Return

CCM

Context Capital Management Lajolla, California $5.15B AUM 1.28% 1-Year Est. Return

WVP

Worth Venture Partners Fort Lee, New Jersey $44.3M AUM 34.55% 1-Year Est. Return

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

GCP

GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return

WAM

Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

KCM

Kalehua Capital Management Dallas, Texas $174M AUM

Jane Street's GOSS Position: Q1 2026 in Review

Jane Street sold out of Gossamer Bio (GOSS) in Q1 2026, closing a stake of 155,591 shares — an estimated $245K sold.

Jane Street first reported a position in GOSS in Q3 2020 and held it in 19 quarters. The position peaked at $1.85M in Q3 2025. 185 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

Jane Street reported no remaining Gossamer Bio position as of Q1 2026 after selling out during the quarter.
Jane Street sold 155,591 Gossamer Bio shares in Q1 2026, an estimated $245K.
Jane Street first reported a position in Gossamer Bio in Q3 2020 and held it in 19 quarters.
Jane Street's Gossamer Bio position peaked at $1.85M in Q3 2025.
185 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.