Twin Tree Management’s Bio-Rad Laboratories Class A BIO Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | – | Sell |
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|
2025
Q1 | $87K | Buy |
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|
2024
Q2 | – | Hold |
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|
2024
Q1 | – | Sell |
|
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|
2023
Q4 | $9.17M | Buy |
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|
2023
Q1 | – | Sell |
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|
2022
Q4 | $726K | Buy |
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|
2021
Q4 | – | Sell |
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|
2021
Q3 | $1.04M | Buy |
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|
2021
Q2 | – | Hold |
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|
2021
Q1 | – | Hold |
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|
2020
Q2 | – | Sell |
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|
2020
Q1 | $7K | Sell |
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|
2019
Q4 | $1.83M | Sell |
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|
2019
Q3 | $2.75M | Buy |
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|
2019
Q2 | $1.43M | Sell |
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|
2019
Q1 | $8.27M | Buy |
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|
2018
Q4 | $793K | Buy |
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|
2018
Q2 | – | Sell |
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|
2018
Q1 | $1.25M | Sell |
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|
2017
Q4 | $1.54M | Buy |
|