Bio-Rad Laboratories shares owned by Portolan Capital Management
Quarter-by-quarter ownership of Bio-Rad Laboratories (BIO) shares owned by Portolan Capital Management
from 13F filings
Historical chart of Portolan Capital Management investment in Bio-Rad Laboratories
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Quarterly reported holdings in Bio-Rad Laboratories by Portolan Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $19M | 57k | 322.89 |
| 2023-09-30 | $15M | 43k | 358.45 |
| 2023-06-30 | $25M | 65k | 379.12 |
| 2023-03-31 | $26M | 54k | 479.02 |
| 2022-12-31 | $26M | 62k | 420.49 |
| 2022-09-30 | $19M | 45k | 417.14 |
| 2022-06-30 | $21M | 42k | 495.00 |
| 2022-03-31 | $19M | 34k | 563.22 |
| 2021-12-31 | $15M | 20k | 755.59 |
| 2021-09-30 | $19M | 25k | 745.94 |
| 2021-06-30 | $7.4M | 12k | 644.30 |
| 2021-03-31 | $6.9M | 12k | 571.14 |
| 2020-12-31 | $7.1M | 12k | 582.97 |
| 2020-09-30 | $9.2M | 18k | 515.48 |
| 2020-06-30 | $16M | 36k | 451.50 |
| 2020-03-31 | $23M | 66k | 350.55 |
| 2019-12-31 | $30M | 81k | 370.04 |
| 2019-09-30 | $27M | 80k | 332.74 |
| 2019-06-30 | $27M | 85k | 312.59 |
| 2019-03-31 | $25M | 80k | 305.68 |
| 2018-12-31 | $11M | 46k | 232.22 |
| 2018-09-30 | $16M | 52k | 313.00 |
| 2018-06-30 | $16M | 54k | 288.54 |
| 2018-03-31 | $14M | 56k | 250.08 |
| 2017-12-31 | $17M | 69k | 238.67 |
| 2017-09-30 | $17M | 78k | 222.22 |
| 2017-06-30 | $20M | 89k | 226.31 |
| 2017-03-31 | $16M | 79k | 199.34 |
| 2016-12-31 | $14M | 79k | 182.28 |
| 2016-09-30 | $18M | 108k | 163.81 |
| 2016-06-30 | $12M | 86k | 143.02 |
| 2016-03-31 | $11M | 78k | 136.72 |
| 2015-12-31 | $3.6M | 26k | 138.67 |
| 2014-09-30 | $5.8M | 51k | 113.40 |
| 2014-06-30 | $2.5M | 21k | 119.72 |
More positions owned by Portolan Capital Management
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