Hudson Bay Capital Management
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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
-14,180
Closed -$44K – 1473
2025
Q4 		$44K Buy
+14,180
New +$40.5K ﹤0.01% 1093
2025
Q2 		– Sell
-36,900
Closed -$40.6K – 1489
2025
Q1 		$40.6K Buy
+36,900
New +$42.7K ﹤0.01% 1201
2021
Q4 		– Sell
-78,500
Closed -$987K – 1133
2021
Q3 		$987K Sell
78,500
-132,000
-63% -$1.22M 0.01% 747
2021
Q2 		$1.71M Buy
210,500
+35,500
+20% +$308K 0.02% 656
2021
Q1 		$1.62M Sell
175,000
-4,400
-2% -$44.4K 0.02% 606
2020
Q4 		$1.74M Sell
179,400
-70,600
-28% -$695K 0.02% 409
2020
Q3 		$3.1M Sell
250,000
-15,000
-6% -$199K 0.05% 300
2020
Q2 		$3.44M Buy
+265,000
New +$3.33M 0.06% 248

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