BIO fund manager activity
BIO-RAD LABORATORIES-A · US. Reported by 8 tracked fund managers in their 13F filings, Q2 2013 to Q2 2026.
Q4 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| John Rogers - Ariel Investments | Trimmed | 764,672 | $231,687,970 | 2.50% | Feb 13, 2026 |
| First Eagle Investment Management | Added | 2,570,473 | $778,827,760 | 1.37% | Feb 4, 2026 |
| First Pacific Advisors | Added | 401,457 | $121,637,456 | 1.63% | Feb 17, 2026 |
| Ken Fisher - Fisher Asset Management | Trimmed | 131,094 | $39,720,169 | 0.01% | Feb 9, 2026 |
| Joel Greenblatt - Gotham Asset Management | Trimmed | 117,018 | $35,455,284 | 0.13% | Feb 17, 2026 |
| Mason Hawkins - Southeastern Asset Management | Trimmed | 227,630 | $68,969,614 | 3.07% | Feb 13, 2026 |
Q3 2025
| Manager | Activity | Shares | Value | % of portfolio | Filed |
|---|
| John Rogers - Ariel Investments | Trimmed | 809,480 | $226,970,097 | 2.43% | Nov 14, 2025 |
| First Eagle Investment Management | Added | 2,520,319 | $706,672,287 | 1.29% | Nov 12, 2025 |
| First Pacific Advisors | Added | 394,414 | $110,589,741 | 1.55% | Nov 13, 2025 |
| Ken Fisher - Fisher Asset Management | Trimmed | 133,465 | $37,422,250 | 0.01% | Nov 12, 2025 |
| Joel Greenblatt - Gotham Asset Management | Added | 124,626 | $34,943,884 | 0.15% | Nov 14, 2025 |
| Mason Hawkins - Southeastern Asset Management | Trimmed | 237,254 | $66,523,650 | 3.40% | Nov 14, 2025 |
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