Bio-Rad Laboratories, Inc. BIO
379.99 USD +5.08 (+1.35%)
At closeNov 4, 2026, 4:15 PM EST
379.29 -0.70 -0.18%
After hours · Nov 4, 4:15 PM ET
371.85 Day range 382.00
241.71 52-week range 390.34
- YTD
- +25.41%
- 1 year
- +22.20%
Held by funds
195 US ETFs and mutual funds hold BIO · largest positions
Ownership
Held by insiders 16.41%
Held by institutions 91.37%
Float held by institutions 109.31%
Institutions 542
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| First Eagle Investment Management, LLC | 12.02% | 2,606,219 | 989.93M | Jun 29, 2026 |
| Blackrock Inc. | 7.84% | 1,698,929 | 645.31M | Jun 29, 2026 |
| Dimensional Fund Advisors LP | 4.36% | 944,548 | 358.77M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 3.81% | 826,972 | 314.11M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 3.77% | 816,198 | 310.02M | Jun 29, 2026 |
| Ariel Investments, LLC | 3.77% | 816,751 | 310.23M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| First Eagle Funds-First Eagle Global Fund | 8.67% | 1,878,739 | 713.61M | Jul 30, 2026 |
| SmallCap World Fund Inc | 4.29% | 930,906 | 353.59M | Sep 29, 2026 |
| iShares Trust-iShares Core S&P Mid-Cap ETF | 2.99% | 648,604 | 246.36M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 2.70% | 584,782 | 222.12M | Jun 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 1.95% | 423,193 | 160.74M | Jun 29, 2026 |
| Ariel Investment Trust-Ariel Fund | 1.61% | 349,270 | 132.66M | Jun 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| ALLISON SCHWARTZ | Director | Conversion of Exercise of derivative security | Sep 3, 2026 | 1,734 |
| BARRY JAMES | Officer | Conversion of Exercise of derivative security | Sep 3, 2026 | 2,024 |
| COREY COLLEEN | Officer | Conversion of Exercise of derivative security | Sep 4, 2025 | 19,550 |
| CROWLEY MICHAEL W | Officer | Sale | Mar 13, 2025 | 8,171 |
| DIVINCENZO JONATHAN P | President | Conversion of Exercise of derivative security | Oct 22, 2026 | 2,881 |
| ENGELHARDT EVA ANETTE | Officer | Conversion of Exercise of derivative security | Sep 3, 2026 | 1,828 |