Berkshire Asset Management’s Ionis Pharmaceuticals IONS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$236K Buy
2024
Q1
Sell
2023
Q4
$211K Buy
2022
Q3
Sell
2022
Q2
$207K Sell
2022
Q1
$361K Buy
2021
Q4
$281K Sell
2021
Q3
$438K Buy
2021
Q2
$455K Sell
2021
Q1
$555K Hold
2020
Q4
$698K Buy
2020
Q3
Sell
2020
Q2
$235K Sell
2020
Q1
$544K Buy
2019
Q4
$212K Sell
2019
Q3
$231K Hold
2019
Q2
$248K Buy
2019
Q1
$242K Buy