Hudson Bay Capital Management
GOSS icon

Hudson Bay Capital Management’s Gossamer Bio GOSS Stock Holding History

Hudson Bay 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
Q1 		– Sell
-177
Closed -$44K – 1473
2025
Q4 		$44K Buy
+177
New +$40.4K ﹤0.01% 1093
2025
Q2 		– Sell
-461
Closed -$40.6K – 1489
2025
Q1 		$40.6K Buy
+461
New +$42.6K ﹤0.01% 1201
2021
Q4 		– Sell
-981
Closed -$987K – 1133
2021
Q3 		$987K Sell
981
-1,650
-63% -$1.22M 0.01% 747
2021
Q2 		$1.71M Buy
2,631
+443
+20% +$307K 0.02% 656
2021
Q1 		$1.62M Sell
2,188
-55
-2% -$44.4K 0.02% 606
2020
Q4 		$1.74M Sell
2,243
-882
-28% -$695K 0.02% 409
2020
Q3 		$3.1M Sell
3,125
-188
-6% -$199K 0.05% 300
2020
Q2 		$3.44M Buy
+3,313
New +$3.33M 0.06% 248

Other funds holding GOSS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AVM
Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return
OCA
Octagon Capital Advisors New York $1.11B AUM 866.76% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

Hudson Bay Capital Management's GOSS Position: Q1 2026 in Review

Hudson Bay Capital Management sold out of Gossamer Bio (GOSS) in Q1 2026, closing a stake of 177 shares — an estimated $44K sold.

Hudson Bay Capital Management first reported a position in GOSS in Q2 2020 and held it in 8 quarters. The position peaked at $3.44M in Q2 2020. 181 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

  • Hudson Bay Capital Management reported no remaining Gossamer Bio position as of Q1 2026 after selling out during the quarter.
  • Hudson Bay Capital Management sold 177 Gossamer Bio shares in Q1 2026, an estimated $44K.
  • Hudson Bay Capital Management first reported a position in Gossamer Bio in Q2 2020 and held it in 8 quarters.
  • Hudson Bay Capital Management's Gossamer Bio position peaked at $3.44M in Q2 2020.
  • 181 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Hudson Bay Capital Management's 13F filing for Q1 2026, filed 13 May 2026.