Rock Springs Capital Management’s Gossamer Bio GOSS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$4.02M Hold
3,266,960
0.25% 68
2025
Q1
$3.59M Hold
3,266,960
0.21% 70
2024
Q4
$2.96M Hold
3,266,960
0.11% 87
2024
Q3
$3.22M Hold
3,266,960
0.1% 92
2024
Q2
$2.94M Hold
3,266,960
0.09% 94
2024
Q1
$3.86M Hold
3,266,960
0.1% 96
2023
Q4
$2.98M Hold
3,266,960
0.07% 90
2023
Q3
$2.72M Buy
3,266,960
+2,166,686
+197% +$1.8M 0.07% 93
2023
Q2
$1.32M Hold
1,100,274
0.03% 112
2023
Q1
$1.39M Buy
1,100,274
+724,226
+193% +$913K 0.03% 109
2022
Q4
$816K Sell
376,048
-1,210,914
-76% -$2.63M 0.02% 115
2022
Q3
$19M Buy
+1,586,962
New +$19M 0.49% 56