Artisan Partners’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
$58.2M Buy
2025
Q2
$14M Buy
2025
Q1
$6.13M Sell
2024
Q4
$8.83M Sell
2024
Q3
$89.8M Buy
2024
Q2
$79.6M Buy
2024
Q1
$18.1M Buy
2016
Q2
Sell
2016
Q1
$5.59M Buy
2015
Q4
$4.55M Sell
2015
Q3
$3.03M Buy
2015
Q2
$4.2M Sell
2015
Q1
$13.3M Sell
2014
Q4
$238M Sell
2014
Q3
$286M Sell
2014
Q2
$261M Sell
2014
Q1
$379M Sell
2013
Q4
$429M Buy
2013
Q3
$399M Buy
2013
Q2
$246M Buy