CSS LLC’s Gossamer Bio GOSS Stock Holding History

CSS LLC’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	-31	Closed	-$821	–	1102
2026 Q1	$821	Buy	+31	New	+$3.9K	﹤0.01%	958
2022 Q4	–	Sell	-353	Closed	-$338K	–	1009
2022 Q3	$338K	Sell	353 -7	-2%	-$6.95K	0.02%	627
2022 Q2	$241K	Buy	+360	New	+$223K	0.01%	773
2020 Q2	–	Sell	-343	Closed	-$277K	–	696
2020 Q1	$277K	Buy	343 +335	+4,188%	+$350K	0.02%	384
2019 Q4	$9K	Buy	+8	New	+$12.9K	﹤0.01%	629

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

CSS LLC's GOSS Position: Q2 2026 in Review

CSS LLC held its Gossamer Bio (GOSS) position steady in Q2 2026 at 375 shares worth $4.94K. The position accounts for ﹤0.01% of the portfolio, ranked #981.

CSS LLC first reported a position in GOSS in Q1 2020 and has held it in 3 quarters since. The position peaked at $102K in Q1 2020. 166 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

CSS LLC held 375 shares of Gossamer Bio worth $4.94K as of Q2 2026.
CSS LLC left its Gossamer Bio share count unchanged in Q2 2026.
Gossamer Bio made up ﹤0.01% of CSS LLC's portfolio in Q2 2026, its #981 holding.
CSS LLC first reported a position in Gossamer Bio in Q1 2020 and has held it in 3 quarters since.
CSS LLC's Gossamer Bio position peaked at $102K in Q1 2020.
166 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.