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 Q2	–	Sell	-426	Closed	-$11.2K	–	12151
2026 Q1	$11.2K	Buy	426 +235	+123%	+$29.5K	﹤0.01%	11294
2025 Q4	$47.4K	Sell	191 -64	-25%	-$14.6K	﹤0.01%	10522
2025 Q3	$53.7K	Buy	+255	New	+$45K	﹤0.01%	10333
2023 Q4	–	Sell	-499	Closed	-$33.2K	–	9409
2023 Q3	$33.2K	Buy	+499	New	+$46K	﹤0.01%	8230
2023 Q1	–	Sell	-226	Closed	-$39.3K	–	9352
2022 Q4	$39.3K	Buy	+226	New	+$149K	﹤0.01%	8439
2020 Q4	–	Sell	-221	Closed	-$220K	–	7713
2020 Q3	$220K	Buy	+221	New	+$234K	﹤0.01%	6310

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 1,945 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. 181 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 1,945 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.
181 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.