EcoR1 Capital’s Atara Biotherapeutics ATRA Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $4.42M | Hold |
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|
2025
Q1 | $3.4M | Buy |
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|
2024
Q4 | $7.08M | Buy |
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|
2024
Q3 | $3.81M | Buy |
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|
2024
Q2 | $3.46M | Sell |
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|
2024
Q1 | $7.06M | Buy |
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|
2023
Q4 | $5.16M | Buy |
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|
2017
Q2 | – | Sell |
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|
2017
Q1 | $8.94M | Buy |
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|
2016
Q4 | $3.06M | Buy |
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|
2015
Q4 | – | Sell |
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|
2015
Q3 | $25.3M | Sell |
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|
2015
Q2 | $56.1M | Hold |
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|
2015
Q1 | $44.2M | Buy |
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|
2014
Q4 | $10.1M | Buy |
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