Baker Bros. Advisors’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 | $37.1M | Buy |
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|
2025
Q2 | – | Sell |
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|
2025
Q1 | $10.8M | Hold |
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|
2024
Q4 | $12.5M | Buy |
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|
2024
Q3 | $8.95M | Buy |
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|
2017
Q1 | – | Sell |
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|
2016
Q4 | $2.73M | Hold |
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|
2016
Q3 | $2.09M | Hold |
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|
2016
Q2 | $1.33M | Hold |
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|
2016
Q1 | $2.31M | Hold |
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|
2015
Q4 | $3.54M | Hold |
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|
2015
Q3 | $2.31M | Hold |
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|
2015
Q2 | $3.29M | Hold |
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|
2015
Q1 | $3.64M | Sell |
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|
2014
Q4 | $5.95M | Hold |
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|
2014
Q3 | $3.74M | Hold |
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|
2014
Q2 | $3.32M | Hold |
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|
2014
Q1 | $4.16M | Sell |
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|
2013
Q4 | $9.84M | Hold |
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|
2013
Q3 | $9.27M | Hold |
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|
2013
Q2 | $6.64M | Buy |
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