Alyeska Investment Group’s Ionis Pharmaceuticals IONS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$6.28M Buy
+159,008
New +$6.28M 0.02% 395
2025
Q1
Sell
-150,000
Closed -$5.24M 578
2024
Q4
$5.24M Sell
150,000
-18,951
-11% -$663K 0.02% 395
2024
Q3
$6.77M Buy
+168,951
New +$6.77M 0.03% 324
2021
Q2
Sell
-427,990
Closed -$19.2M 771
2021
Q1
$19.2M Buy
427,990
+225,513
+111% +$10.1M 0.25% 124
2020
Q4
$11.4M Buy
+202,477
New +$11.4M 0.16% 170