Institutional Ownership
Bio Rad Labs Inc
CUSIP 090572207CL ABIOQ1 2026
13D / 13G Filings
29
Schedule 13D/13G on record
Beneficial Filers
9
Distinct reporting persons
Largest Stake
97.2%
Max % of class reported
Institutional Holders
383
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
29 filings · latest Oct 30, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Oct 30, 2025 | Norman D. Schwartz | 13D/A | 97.2% | — | SEC |
| 2 | Oct 30, 2025 | Norman D. Schwartz | 13D/A | 14.6% | — | SEC |
| 3 | Oct 28, 2025 | Norman D. Schwartz | 13D/A | 97.2% | — | SEC |
| 4 | Oct 28, 2025 | Norman D. Schwartz | 13D/A | 14.6% | — | SEC |
| 5 | Oct 17, 2025 | Blackrock, Inc. | 13G/A | 7.4% | 1.62M | SEC |
| 6 | Aug 6, 2025 | First Eagle Investment Management, LLC | 13G/A | 11.4% | 2.53M | SEC |
| 7 | Jul 18, 2025 | Alice N. Schwartz | 13D/A | 12.3% | — | SEC |
| 8 | May 5, 2025 | First Eagle Investment Management, LLC | 13G/A | 10.0% | 2.29M | SEC |
| 9 | May 5, 2025 | First Eagle Investment Management, LLC | 13G | 6.8% | 1.57M | SEC |
| 10 | Dec 20, 2024 | The Vanguard Group - 23-1945930 | 13G/A | 8.4% | 1.91M | SEC |
19 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Bio Rad Labs Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | First Eagle Investment Management, LLC | 2.60M | $725.52M |
| 2 | Blackrock, Inc. | 1.68M | $468.32M |
| 3 | Dimensional Fund Advisors LP | 1.09M | $303.64M |
| 4 | Ariel Investments, LLC | 786.0K | $219.09M |
| 5 | Earnest Partners LLC | 588.7K | $164.11M |
| 6 | State Street Corp | 559.6K | $155.98M |
| 7 | Capital World Investors | 450.0K | $125.44M |
| 8 | Bank Of America Corp /De/ | 445.0K | $124.03M |
| 9 | Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas LLC | 426.0K | $118.76M |
| 10 | First Pacific Advisors, LP | 407.4K | $113.55M |