AVM
GOSS icon

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
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

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $141M AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
OCA
Octagon Capital Advisors New York $904M AUM 737.04% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $50.9B AUM 42.89% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
6CM
683 Capital Management New York $1.08B AUM 85.52% 1-Year Est. Return