BIO-RAD LABORATORIES-A BIO
$296.86
-0.1% 52w: $235.54 – $339.75
Latest 13F among current holders filed 11 days ago (Jun 24, 2026)
Price — last 12 months
research preview data235.54287.64339.75
Jun 20, 2025 Jul 2, 2026
Institutional holders
391
-6 QoQ
13F value
$5.57B
-6.7% QoQ
Smart-money holders
20
signal tier ≥ 2
New smart buyers
2
Q1 2026
Options barometer
5.0×
$3.9M calls / $781K puts
Institutional value by quarter
Number of holders
Who owns BIO?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| First Eagle Investment Management, LLC | Other | 2.6M | $725.5M | 1.2% | +1.3% |
| BlackRock, Inc. | Index provider | 1.7M | $468.3M | 0.0% | -0.1% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 1.1M | $303.6M | 0.1% | +1.1% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 831.2K | $231.7M | 0.0% | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 829.2K | $231.1M | 0.0% | — |
| ARIEL INVESTMENTS, LLC | Other | 786.0K | $219.1M | 2.5% | +2.8% |
| EARNEST PARTNERS LLC | Other | 588.7K | $164.1M | 0.7% | -2.5% |
| STATE STREET CORP | Index provider | 559.6K | $156.0M | 0.0% | 0.0% |
| Capital World Investors | Long only active | 450.0K | $125.4M | 0.0% | New |
| BANK OF AMERICA CORP /DE/ | Bank broker | 445.0K | $124.0M | 0.0% | -0.1% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Bank broker | 426.0K | $118.8M | 0.0% | +7.8% |
| First Pacific Advisors, LP ★2 | Fundamental diversified | 407.4K | $113.6M | 1.6% | +1.5% |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Other | 396.1K | $110.4M | 0.0% | -0.8% |
| Capital Research Global Investors | Long only active | 385.6K | $107.5M | 0.0% | -22.0% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 364.7K | $101.7M | 0.0% | +7.8% |
| UBS Group AG | Bank broker | 354.4K | $98.8M | 0.0% | +63.9% |
| SEI INVESTMENTS CO | Diversified mechanical | 287.9K | $80.3M | 0.1% | -1.4% |
| BARCLAYS PLC | Bank broker | 278.8K | $77.7M | 0.0% | +1038.4% |
| MORGAN STANLEY | Bank broker | 273.9K | $76.4M | 0.0% | +47.0% |
| PARNASSUS INVESTMENTS, LLC ★2 | Fundamental diversified | 254.3K | $70.9M | 0.2% | +0.9% |
| DEERFIELD MANAGEMENT COMPANY, L.P. | Quant stat arb | 226.1K | $63.0M | 0.9% | Held |
| NORTHERN TRUST CORP | Index provider | 218.5K | $60.9M | 0.0% | +1.1% |
| NOMURA HOLDINGS INC | Bank broker | 217.3K | $60.6M | 0.5% | New |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 196.6K | $54.8M | 0.0% | +9.0% |
| Mawer Investment Management Ltd. ★2 | Fundamental diversified | 188.8K | $52.6M | 0.3% | -19.3% |
| THOMPSON SIEGEL & WALMSLEY LLC | Other | 176.5K | $49.2M | 0.9% | -8.1% |
| GW&K Investment Management, LLC | Other | 174.7K | $48.7M | 0.4% | -1.3% |
| FRANKLIN RESOURCES INC | Long only active | 170.4K | $47.5M | 0.0% | +24.1% |
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ ★3 | Fundamental concentrated | 162.8K | $45.4M | 2.2% | -28.5% |
| Gotham Asset Management, LLC | Diversified mechanical | 152.4K | $42.5M | 0.1% | +30.2% |
| CITADEL ADVISORS LLC | Multistrat pod | 148.7K | $41.4M | 0.0% | +1468.2% |
| Assenagon Asset Management S.A. | Diversified mechanical | 147.8K | $41.2M | 0.1% | +6586.3% |
| Freestone Grove Partners LP | Quant stat arb | 147.6K | $41.1M | 0.3% | +33.6% |
| Bank of New York Mellon Corp | Diversified mechanical | 126.9K | $35.4M | 0.0% | -1.9% |
| MANGROVE PARTNERS IM, LLC | Quant stat arb | 126.9K | $35.4M | 2.9% | Held |
| CIBC Bancorp USA Inc. | Diversified mechanical | 120.1K | $33.5M | 0.0% | — |
| Fisher Asset Management, LLC | Long only active | 118.7K | $33.1M | 0.0% | -9.5% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 113.6K | $31.7M | 0.0% | — |
| Allianz Asset Management GmbH | Diversified mechanical | 110.2K | $30.7M | 0.0% | 0.0% |
| FEDERATED HERMES, INC. | Diversified mechanical | 109.9K | $30.6M | 0.0% | -3.5% |
| ENVESTNET ASSET MANAGEMENT INC | Wealth advisor | 105.3K | $29.4M | 0.0% | +11.4% |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 102.8K | $28.6M | 0.0% | -14.8% |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | Diversified mechanical | 99.7K | $27.8M | 0.0% | -18.6% |
| Tikvah Management LLC ★3 | Fundamental concentrated | 97.8K | $27.3M | 8.4% | -11.9% |
| Hound Partners, LLC ★2 | Fundamental concentrated | 97.7K | $27.2M | 3.4% | +125.9% |
| JPMORGAN CHASE & CO | Bank broker | 99.4K | $26.9M | 0.0% | +83.7% |
| Boston Trust Walden Corp | Other | 93.5K | $26.1M | 0.2% | +4.1% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 94.5K | $26.0M | 0.0% | +135.2% |
| JNE Partners LLP ★2 | Fundamental diversified | 92.1K | $25.7M | 10.5% | Held |
| ING GROEP NV | Other | 90.0K | $25.1M | 0.2% | New |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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