XTX Topco’s Gossamer Bio GOSS Stock Holding History

XTX Topco’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	-8,489	Closed	-$223K	–	4350
2026 Q1	$223K	Buy	8,489 +2,785	+49%	+$350K	﹤0.01%	2757
2025 Q4	$1.41M	Buy	5,704 +2,269	+66%	+$518K	0.04%	785
2025 Q3	$723K	Buy	3,435 +2,198	+178%	+$388K	0.04%	797
2025 Q2	$122K	Buy	+1,237	New	+$108K	0.01%	1841
2025 Q1	–	Sell	-267	Closed	-$19.3K	–	2645
2024 Q4	$19.3K	Buy	+267	New	+$18.3K	﹤0.01%	2048
2024 Q1	–	Sell	-668	Closed	-$48.8K	–	2021
2023 Q4	$48.8K	Buy	+668	New	+$39.5K	0.01%	1237
2023 Q3	–	Sell	-523	Closed	-$50.2K	–	1723
2023 Q2	$50.2K	Sell	523 -4,892	-90%	-$487K	0.01%	1235
2023 Q1	$546K	Buy	5,415 +2,076	+62%	+$318K	0.11%	244
2022 Q4	$580K	Buy	3,339 +3,133	+1,521%	+$2.06M	0.12%	237
2022 Q3	$197K	Buy	+206	New	+$205K	0.05%	789
2022 Q1	–	Sell	-166	Closed	-$151K	–	782
2021 Q4	$151K	Buy	+166	New	+$158K	0.09%	408

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

XTX Topco's GOSS Position: Q2 2026 in Review

XTX Topco sold out of Gossamer Bio (GOSS) in Q2 2026, closing a stake of 8,489 shares — an estimated $223K sold.

XTX Topco first reported a position in GOSS in Q4 2021 and held it in 11 quarters. The position peaked at $1.41M in Q4 2025. 166 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

XTX Topco reported no remaining Gossamer Bio position as of Q2 2026 after selling out during the quarter.
XTX Topco sold 8,489 Gossamer Bio shares in Q2 2026, an estimated $223K.
XTX Topco first reported a position in Gossamer Bio in Q4 2021 and held it in 11 quarters.
XTX Topco's Gossamer Bio position peaked at $1.41M in Q4 2025.
166 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.