William Blair & Company’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
Q2 | $1.5M | Sell |
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|
2025
Q1 | $1.16M | Sell |
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|
2024
Q4 | $1.39M | Sell |
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|
2024
Q3 | $1.87M | Buy |
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|
2024
Q2 | $1.2M | Sell |
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|
2024
Q1 | $1.21M | Buy |
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|
2023
Q4 | $841K | Buy |
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|
2023
Q3 | $741K | Sell |
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|
2023
Q2 | $672K | Buy |
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|
2023
Q1 | $523K | Hold |
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|
2022
Q4 | $553K | Sell |
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|
2022
Q3 | $657K | Buy |
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|
2022
Q2 | $541K | Sell |
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|
2022
Q1 | $546K | Buy |
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|
2021
Q4 | $440K | Sell |
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|
2021
Q3 | $487K | Buy |
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|
2021
Q2 | $410K | Sell |
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|
2021
Q1 | $502K | Sell |
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|
2020
Q4 | $857K | Buy |
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|
2020
Q3 | $717K | Sell |
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|
2020
Q2 | $921K | Sell |
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|
2020
Q1 | $762K | Sell |
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|
2019
Q4 | $986K | Buy |
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|
2019
Q3 | $873K | Buy |
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|
2019
Q2 | $911K | Sell |
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|
2019
Q1 | $1.19M | Buy |
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|
2018
Q4 | $783K | Buy |
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|
2018
Q3 | $747K | Hold |
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|
2018
Q2 | $603K | Buy |
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|
2018
Q1 | $259K | Sell |
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|
2017
Q4 | $320K | Buy |
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|
2017
Q3 | $277K | Buy |
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|
2017
Q2 | $274K | Hold |
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|
2017
Q1 | $258K | Hold |
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|
2016
Q4 | $257K | Buy |
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|
2016
Q2 | – | Sell |
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|
2016
Q1 | $219K | Sell |
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|
2015
Q4 | $353K | Buy |
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|
2015
Q3 | – | Sell |
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|
2015
Q2 | $343K | Sell |
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|
2015
Q1 | $388K | Buy |
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|
2014
Q4 | $370K | Buy |
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|
2014
Q3 | $225K | Buy |
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|
2014
Q2 | – | Sell |
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|
2014
Q1 | $242K | Hold |
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|
2013
Q4 | $223K | Buy |
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|
2013
Q3 | $208K | Buy |
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