Bio-Rad Laboratories (BIO)
Supplies droplet digital PCR, clinical-laboratory systems, reagents, controls, and recurring consumables.
Something off on this page? Send us feedback.
13F · 13D/G · Form 4
| Institutions | ≥ 73.32% | 19.60M shares | |
|---|---|---|---|
| 405 holders · as of Jun 30, 2026 | |||
| Insiders | 27.18% | 7.27M shares | |
| 3 holders · as of Oct 30, 2025 | |||
| Adds to | 100.50% | ||
26.74M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
Institutional filings for BIO-B (19% of the company) are not on file here, so the institutional figure is a floor.
These groups come from separate filings that can overlap, so they add to 100.50%; nothing is left for Other.
This company has 2 share classes; every stake here is a share of the whole company.
13F, as of Jun 30, 2026
405 holders · 19.60M shares · 62 new positions · 177 increased · 155 reduced · 56 closed
| Holder | Shares | % of company | Chg q/q | Filed |
|---|---|---|---|---|
| First Eagle Investment Management, LLC | 2.61M | 9.75% | +3.4K | Aug 24, 2026 |
| BlackRock, Inc. | 1.70M | 6.35% | +18.9K | Aug 7, 2026 |
| Dimensional Fund Advisors LP | 944.5K | 3.53% | −144.8K | Aug 11, 2026 |
| Vanguard Capital Management LLC | 827.0K | 3.09% | −4.2K | Aug 13, 2026 |
| Ariel Investments, LLC | 816.8K | 3.05% | +30.8K | Aug 14, 2026 |
| Vanguard Portfolio Management LLC | 816.2K | 3.05% | −13.0K | Aug 13, 2026 |
| Earnest Partners LLC | 580.8K | 2.17% | −8.0K | Aug 13, 2026 |
| State Street Corp | 571.8K | 2.14% | +12.2K | Aug 7, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Norman D. Schwartzincl. Alice N. Schwartz Revocable Trust | 14.60% | 3.23M | 13D | Oct 30, 2025 |
| Alice N. Schwartzincl. Alice N. Schwartz Revocable Trust | 12.30% | 2.73M | 13D | Jul 18, 2025 |
| First Eagle Investment Management, LLC | 11.40% | 2.53M | 13G | Aug 6, 2025 |
| BlackRock, Inc. | 7.40% | 1.62M | 13G | Oct 17, 2025 |
| The Bank of Nova Scotia | 6.50% | 1.60M | Oct 10, 2024 | |
| 666 Third Ave. - 9th Floor, New York, New York 10017 | 5.73% | 1.31M | 13G | Nov 14, 2024 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| May 11, 2026 | Eva Anette Engelhardtofficer: EVP, President, CDG | Sale | 550 | $246.54 | 346 |
| Nov 6, 2025 | James Barryofficer: EVP, President, LSG | Sale | 700 | $306.18 | 510 |
House and Senate disclosures
Not reported.