Bio-Rad Laboratories shares owned by Ariel Investments
Quarter-by-quarter ownership of Bio-Rad Laboratories (BIO) shares owned by Ariel Investments
from 13F filings
Historical chart of Ariel Investments investment in Bio-Rad Laboratories
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Quarterly reported holdings in Bio-Rad Laboratories by Ariel Investments
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $227M | 810k | 280.39 |
| 2025-06-30 | $198M | 819k | 241.32 |
| 2025-03-31 | $177M | 725k | 243.56 |
| 2024-12-31 | $184M | 561k | 328.51 |
| 2024-09-30 | $127M | 379k | 334.58 |
| 2024-06-30 | $29M | 104k | 273.11 |
| 2024-03-31 | $23M | 65k | 345.87 |
| 2023-12-31 | $1.4M | 4.5k | 322.89 |
| 2023-09-30 | $1.6M | 4.5k | 358.45 |
| 2023-06-30 | $1.7M | 4.4k | 379.12 |
| 2023-03-31 | $15M | 32k | 479.02 |
| 2022-12-31 | $13M | 32k | 420.49 |
| 2022-09-30 | $28M | 67k | 416.37 |
| 2022-06-30 | $32M | 64k | 495.00 |
| 2022-03-31 | $35M | 62k | 563.23 |
| 2021-12-31 | $42M | 56k | 754.39 |
| 2021-09-30 | $39M | 52k | 745.96 |
| 2021-06-30 | $34M | 52k | 644.28 |
| 2021-03-31 | $29M | 51k | 571.18 |
| 2020-12-31 | $29M | 49k | 582.93 |
| 2020-09-30 | $33M | 64k | 515.46 |
| 2020-06-30 | $33M | 73k | 451.49 |
| 2020-03-31 | $56M | 159k | 350.56 |
| 2019-12-31 | $84M | 227k | 370.03 |
| 2019-09-30 | $75M | 224k | 332.74 |
| 2019-06-30 | $72M | 231k | 312.59 |
| 2019-03-31 | $74M | 240k | 305.68 |
| 2018-12-31 | $52M | 224k | 232.22 |
| 2018-09-30 | $73M | 233k | 312.99 |
| 2018-06-30 | $67M | 232k | 288.54 |
| 2018-03-31 | $63M | 251k | 250.08 |
| 2017-12-31 | $64M | 268k | 238.67 |
| 2017-09-30 | $117M | 524k | 222.22 |
| 2017-06-30 | $130M | 574k | 226.31 |
| 2017-03-31 | $134M | 674k | 199.34 |
| 2016-12-31 | $162M | 887k | 182.28 |
| 2016-09-30 | $157M | 958k | 163.81 |
| 2016-06-30 | $140M | 981k | 143.02 |
| 2016-03-31 | $137M | 1.0M | 136.72 |
| 2015-12-31 | $140M | 1.0M | 138.66 |
| 2015-09-30 | $134M | 1.0M | 134.31 |
| 2015-06-30 | $169M | 1.1M | 150.61 |
| 2015-03-31 | $154M | 1.1M | 135.18 |
| 2014-12-31 | $128M | 1.1M | 120.56 |
| 2014-09-30 | $121M | 1.1M | 113.40 |
| 2014-06-30 | $118M | 984k | 119.71 |
| 2014-03-31 | $131M | 1.0M | 128.12 |
| 2013-12-31 | $136M | 1.1M | 123.61 |
| 2013-09-30 | $129M | 1.1M | 117.56 |
| 2013-06-30 | $114M | 1.0M | 112.20 |
| 2013-03-31 | $129M | 1.0M | 126.00 |
| 2012-12-31 | $104M | 986k | 105.05 |
| 2012-09-30 | $105M | 981k | 106.72 |
| 2012-06-30 | $99M | 985k | 100.01 |
| 2012-03-31 | $102B | 981k | 103690.00 |
| 2011-12-31 | $94M | 980k | 96.04 |
| 2011-09-30 | $99 | 991k | 0.00 |
| 2011-06-30 | $123 | 1.2M | 0.00 |
| 2011-03-31 | $175M | 1.5M | 120.14 |
| 2010-12-31 | $149 | 1.5M | 0.00 |