Arch Venture Management’s Gossamer Bio GOSS Stock Holding History

Arch Venture 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	$1.33M	Hold	8,055,916	–	–	0.12%	12
2026 Q1	$2.65M	Hold	8,055,916	–	–	0.39%	9
2025 Q4	$25M	Hold	8,055,916	–	–	3.83%	7
2025 Q3	$21.2M	Hold	8,055,916	–	–	4.3%	7
2025 Q2	$9.91M	Hold	8,055,916	–	–	3.31%	8
2025 Q1	$8.78M	Hold	8,055,916	–	–	4.26%	6
2024 Q4	$7.29M	Hold	8,055,916	–	–	3.17%	5
2024 Q3	$7.95M	Hold	8,055,916	–	–	3.05%	6
2024 Q2	$7.26M	Hold	8,055,916	–	–	2.73%	5
2024 Q1	$9.51M	Hold	8,055,916	–	–	11.84%	3
2023 Q4	$7.35M	Hold	8,055,916	–	–	4.5%	5
2023 Q3	$6.71M	Buy	+8,055,916	New	+$9.28M	4.36%	5

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

Arch Venture Management's GOSS Position: Q2 2026 in Review

Arch Venture Management held its Gossamer Bio (GOSS) position steady in Q2 2026 at 8,055,916 shares worth $1.33M. The position accounts for 0.12% of the portfolio, ranked #12.

Arch Venture Management first reported a position in GOSS in Q3 2023 and has held it in 12 quarters since. The position peaked at $25M in Q4 2025. 170 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

Arch Venture Management held 8,055,916 shares of Gossamer Bio worth $1.33M as of Q2 2026.
Arch Venture Management left its Gossamer Bio share count unchanged in Q2 2026.
Gossamer Bio made up 0.12% of Arch Venture Management's portfolio in Q2 2026, its #12 holding.
Arch Venture Management first reported a position in Gossamer Bio in Q3 2023 and has held it in 12 quarters since.
Arch Venture Management's Gossamer Bio position peaked at $25M in Q4 2025.
170 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

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