683 Capital Management’s Gossamer Bio GOSS Stock Holding History

683 Capital Management’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	$6.45M	Buy	489,986 +427,486	+684%	+$9.55M	0.32%	64
2026 Q1	$1.64M	Sell	62,500 -2,385	-4%	-$300K	0.09%	121
2025 Q4	$16.1M	Buy	64,885 +1,645	+3%	+$376K	0.7%	32
2025 Q3	$13.3M	Sell	63,240 -16,010	-20%	-$2.82M	0.7%	36
2025 Q2	$7.8M	Buy	79,250 +3,000	+4%	+$262K	0.51%	54
2025 Q1	$6.71M	Sell	76,250 -10,938	-13%	-$1.01M	0.46%	60
2024 Q4	$6.31M	Buy	87,188 +14,688	+20%	+$1.01M	0.39%	57
2024 Q3	$5.72M	Buy	72,500 +625	+0.9%	+$48.1K	0.44%	59
2024 Q2	$5.18M	Buy	71,875 +31,250	+77%	+$1.87M	0.39%	58
2024 Q1	$3.83M	Sell	40,625 -809	-2%	-$71.2K	0.28%	65
2023 Q4	$3.02M	Buy	41,434 +19,857	+92%	+$1.17M	0.25%	73
2023 Q3	$1.44M	Buy	+21,577	New	+$1.99M	0.11%	95

Other funds holding GOSS

D.E. Shaw & Co New York $210B AUM 57.28% 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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

683 Capital Management's GOSS Position: Q2 2026 in Review

683 Capital Management increased its Gossamer Bio (GOSS) stake by 684% in Q2 2026, buying an estimated $9.55M and bringing the position to 489,986 shares worth $6.45M. The position accounts for 0.32% of the portfolio, ranked #64.

683 Capital Management first reported a position in GOSS in Q3 2023 and has held it in 12 quarters since. The position peaked at $16.1M in Q4 2025. 166 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

683 Capital Management held 489,986 shares of Gossamer Bio worth $6.45M as of Q2 2026.
683 Capital Management bought 427,486 Gossamer Bio shares in Q2 2026, an estimated $9.55M.
Gossamer Bio made up 0.32% of 683 Capital Management's portfolio in Q2 2026, its #64 holding.
683 Capital Management first reported a position in Gossamer Bio in Q3 2023 and has held it in 12 quarters since.
683 Capital Management's Gossamer Bio position peaked at $16.1M in Q4 2025.
166 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

Based on 683 Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.