Granahan Investment Management’s Prothena Corp PRTA Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q3 | – | Sell |
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|
2025
Q2 | $2.8M | Buy |
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|
2024
Q4 | – | Sell |
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|
2024
Q3 | $5.23M | Sell |
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|
2024
Q2 | $6.93M | Buy |
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|
2024
Q1 | $8.27M | Sell |
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|
2023
Q4 | $15.2M | Buy |
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|
2023
Q3 | $16.8M | Buy |
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|
2023
Q2 | $20.1M | Buy |
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|
2023
Q1 | $11.3M | Buy |
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|
2022
Q4 | $12M | Buy |
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|
2022
Q3 | $8.55M | Sell |
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|
2022
Q2 | $4.33M | Buy |
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|
2022
Q1 | $4.54M | Buy |
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|
2021
Q4 | $4.46M | Buy |
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|
2021
Q3 | $3.23M | Buy |
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|
2015
Q3 | – | Sell |
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|
2015
Q2 | $1.78M | Hold |
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|
2015
Q1 | $1.29M | Hold |
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|
2014
Q4 | $704K | Hold |
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|
2014
Q3 | $751K | Hold |
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|
2014
Q2 | $764K | Hold |
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|
2014
Q1 | $1.3M | Hold |
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|
2013
Q4 | $899K | Hold |
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|
2013
Q3 | $686K | Sell |
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|
2013
Q2 | $483K | Buy |
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