Bio-Rad Laboratories, Inc.
BIO- Exchange
- NYSE
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0000012208
No open-market purchases or sales by Bio-Rad Laboratories, Inc. insiders were filed in the last 90 days; 399 institutions reported holding it in 13F filings for Q2 2026, worth $5.70B in total; no superinvestor holds it.
Other share classesBIO.B
13F holders, Q1 2026
Institutional positions in Bio-Rad Laboratories, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 395
- +2 vs. Q4 2025
- Shares held
- 20.0M
- +2.51M (+14.3%) vs. Q4 2025
- Total value
- $5.57B
- +$276.4M (+5.2%) vs. Q4 2025
- New holders
- 62
- 145 more added
- Sold out
- 60
- 99 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BIO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 399 | $5.70B |
| Q1 2026 | 395 | $5.57B |
| Q4 2025 | 400 | $5.88B |
| Q3 2025 | 397 | $5.46B |
| Q2 2025 | 385 | $4.63B |
| Q1 2025 | 435 | $4.71B |
| Q4 2024 | 457 | $6.17B |
| Q3 2024 | 440 | $6.50B |
| Q2 2024 | 441 | $5.41B |
| Q1 2024 | 466 | $6.42B |
| Q4 2023 | 487 | $5.98B |
| Q3 2023 | 471 | $6.73B |
| Q2 2023 | 470 | $7.19B |
| Q1 2023 | 508 | $9.20B |
| Q4 2022 | 472 | $8.11B |
| Q3 2022 | 485 | $8.13B |
| Q2 2022 | 502 | $9.46B |
| Q1 2022 | 515 | $10.8B |
| Q4 2021 | 534 | $14.4B |
| Q3 2021 | 509 | $14.5B |
| Q2 2021 | 509 | $12.5B |
| Q1 2021 | 492 | $11.2B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Bio-Rad Laboratories, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| First Eagle Investment Management, LLC | 2,602,772 | $725.5M | 1.23% | +32,299+1.3% | Added |
| BlackRock, Inc. | 1,680,060 | $468.3M | 0.01% | −888−0.1% | Reduced |
| Dimensional Fund Advisors LP | 1,089,323 | $303.6M | 0.06% | +12,251+1.1% | Added |
| Vanguard Capital Management LLC | 831,165 | $231.7M | 0.01% | +831,165 | New |
| Vanguard Portfolio Management LLC | 829,186 | $231.1M | 0.01% | +829,186 | New |
| Ariel Investments, LLC | 785,961 | $219.1M | 2.45% | +21,289+2.8% | Added |
| Earnest Partners LLC | 588,731 | $164.1M | 0.68% | −14,863−2.5% | Reduced |
| State Street Corp | 559,570 | $156.0M | 0.01% | −340.0% | Reduced |
| Capital World Investors | 450,000 | $125.4M | 0.02% | +450,000 | New |
| Bank of America Corp | 444,957 | $124.0M | 0.01% | −492−0.1% | Reduced |
| UBS Asset Management Americas Inc | 426,038 | $118.8M | 0.02% | +30,961+7.8% | Added |
| First Pacific Advisors, LP | 407,358 | $113.6M | 1.59% | +5,901+1.5% | Added |
| Massachusetts Financial Services Co | 396,150 | $110.4M | 0.04% | −3,057−0.8% | Reduced |
| Capital Research Global Investors | 385,579 | $107.5M | 0.02% | −108,893−22.0% | Reduced |
| Geode Capital Management, LLC | 364,682 | $101.7M | 0.01% | +26,354+7.8% | Added |
| UBS Group AG | 354,365 | $98.8M | 0.02% | +138,179+63.9% | Added |
| SEI Investments Co | 287,912 | $80.3M | 0.07% | −4,002−1.4% | Reduced |
| Barclays PLC | 278,835 | $77.7M | 0.03% | +254,341+1,038.4% | Added |
| Morgan Stanley | 273,931 | $76.4M | 0.00% | +87,544+47.0% | Added |
| Parnassus Investments | 254,305 | $70.9M | 0.21% | +2,165+0.9% | Added |
| Deerfield Management Company, L.P. (Series C) | 226,070 | $63.0M | 0.74% | 00.0% | Unchanged |
| Northern Trust Corp | 218,497 | $60.9M | 0.01% | +2,326+1.1% | Added |
| Nomura Holdings Inc | 217,342 | $60.6M | 0.50% | +217,342 | New |
| Charles Schwab Investment Management Inc | 196,558 | $54.8M | 0.01% | +16,169+9.0% | Added |
| Mawer Investment Management Ltd. | 188,784 | $52.6M | 0.34% | −45,162−19.3% | Reduced |
| Thompson Siegel & Walmsley LLC | 176,465 | $49.2M | 0.87% | −15,496−8.1% | Reduced |
| GW&K Investment Management, LLC | 174,708 | $48.7M | 0.43% | −2,375−1.3% | Reduced |
| Franklin Resources Inc | 170,354 | $47.5M | 0.01% | +33,137+24.1% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 162,804 | $45.4M | 2.23% | −64,826−28.5% | Reduced |
| Gotham Asset Management, LLC | 152,384 | $42.5M | 0.13% | +35,366+30.2% | Added |
| Citadel Advisors LLC | 148,669 | $41.4M | 0.03% | +139,189+1,468.2% | Added |
| Assenagon Asset Management S.A. | 147,834 | $41.2M | 0.07% | +145,623+6,586.3% | Added |
| Freestone Grove Partners LP | 147,605 | $41.1M | 0.30% | +37,081+33.6% | Added |
| Bank of New York Mellon Corp | 126,856 | $35.4M | 0.01% | −2,498−1.9% | Reduced |
| Mangrove Partners | 126,853 | $35.4M | 2.87% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 120,120 | $33.5M | 0.05% | +120,120 | New |
| Fisher Asset Management, LLC | 118,683 | $33.1M | 0.01% | −12,411−9.5% | Reduced |
| Vanguard Fiduciary Trust Co | 113,639 | $31.7M | 0.01% | +113,639 | New |
| Allianz Asset Management GmbH | 110,241 | $30.7M | 0.04% | +370.0% | Added |
| Federated Hermes, Inc. | 109,895 | $30.6M | 0.05% | −4,034−3.5% | Reduced |
| Envestnet Asset Management Inc | 105,333 | $29.4M | 0.01% | +10,800+11.4% | Added |
| Acadian Asset Management LLC | 102,800 | $28.6M | 0.04% | −17,834−14.8% | Reduced |
| Manufacturers Life Insurance Company, The | 99,720 | $27.8M | 0.02% | −22,854−18.6% | Reduced |
| Tikvah Management LLC | 97,834 | $27.3M | 8.45% | −13,250−11.9% | Reduced |
| Hound Partners, LLC | 97,724 | $27.2M | 3.44% | +54,456+125.9% | Added |
| JPMorgan Chase & Co | 99,391 | $26.9M | 0.00% | +45,272+83.7% | Added |
| Boston Trust Walden Corp | 93,495 | $26.1M | 0.21% | +3,657+4.1% | Added |
| AQR Capital Management LLC | 94,549 | $26.0M | 0.01% | +54,354+135.2% | Added |
| JNE Partners LLP | 92,100 | $25.7M | 10.50% | 00.0% | Unchanged |
| National Bank of Canada | 90,000 | $25.1M | 0.03% | +90,000 | New |
| ING Groep NV | 90,000 | $25.1M | 0.15% | +90,000 | New |
| Allspring Global Investments Holdings, LLC | 85,965 | $23.9M | 0.04% | −43,246−33.5% | Reduced |
| QVIDTVM Management LLC | 83,732 | $23.3M | 28.68% | +249+0.3% | Added |
| Natixis Advisors, L.P. | 75,047 | $20.9M | 0.03% | +4,131+5.8% | Added |
| Price T Rowe Associates Inc | 74,281 | $20.7M | 0.00% | −1,990−2.6% | Reduced |
| Hosking Partners LLP | 69,009 | $19.2M | 0.69% | +15,041+27.9% | Added |
| Jones Financial Companies LLLP | 71,976 | $19.1M | 0.01% | +70,714+5,603.3% | Added |
| Man Group plc | 67,436 | $18.8M | 0.04% | +61,185+978.8% | Added |
| SG Americas Securities, LLC | 66,985 | $18.7M | 0.02% | +48,027+253.3% | Added |
| Exchange Traded Concepts, LLC | 58,530 | $16.3M | 0.13% | +28,938+97.8% | Added |
| Marathon Asset Mgmt Ltd | 53,661 | $15.0M | 0.57% | +6,369+13.5% | Added |
| Goldman Sachs Group Inc | 53,040 | $14.8M | 0.00% | +16,821+46.4% | Added |
| Select Equity Group, L.P. | 48,436 | $13.5M | 0.07% | +48,436 | New |
| HRT Financial LP | 46,556 | $13.0M | 0.03% | +46,556 | New |
| Rhumbline Advisers | 46,037 | $12.8M | 0.01% | +641+1.4% | Added |
| Arnhold LLC | 42,902 | $12.0M | 0.88% | +8,118+23.3% | Added |
| Principal Financial Group Inc | 40,614 | $11.3M | 0.01% | +1,487+3.8% | Added |
| Assetmark, Inc | 38,989 | $10.9M | 0.02% | +6,224+19.0% | Added |
| Amundi | 38,778 | $10.8M | 0.00% | +36,697+1,763.4% | Added |
| Swiss National Bank | 36,880 | $10.3M | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 36,835 | $10.3M | 0.00% | +1,775+5.1% | Added |
| Teachers Retirement System of the State of Kentucky | 36,444 | $10.2M | 0.08% | 00.0% | Unchanged |
| Legal & General Group Plc | 36,228 | $10.1M | 0.00% | −2,091−5.5% | Reduced |
| Raymond James Financial Inc | 35,894 | $10.0M | 0.00% | +2,788+8.4% | Added |
| California Public Employees Retirement System | 35,348 | $9.85M | 0.01% | +423+1.2% | Added |
| Quantinno Capital Management LP | 33,650 | $9.38M | 0.02% | −2,585−7.1% | Reduced |
| Marshall Wace, LLP | 33,217 | $9.26M | 0.01% | +21,657+187.3% | Added |
| Almitas Capital LLC | 30,254 | $8.43M | 1.91% | +30,254 | New |
| Nuveen, LLC | 29,417 | $8.20M | 0.00% | +732+2.6% | Added |
| Gabelli Funds LLC | 28,400 | $7.92M | 0.05% | −5,400−16.0% | Reduced |
| Gamco Investors, Inc. Et Al | 26,750 | $7.46M | 0.07% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 24,487 | $7.42M | 0.00% | +1,206+5.2% | Added |
| BNP Paribas Arbitrage, SA | 26,326 | $7.34M | 0.00% | −46,229−63.7% | Reduced |
| Winslow Asset Management Inc | 24,169 | $6.74M | 1.31% | −229−0.9% | Reduced |
| Sector Gamma AS | 23,750 | $6.62M | 1.56% | 00.0% | Unchanged |
| Retirement Systems of Alabama | 22,289 | $6.21M | 0.02% | +467+2.1% | Added |
| California State Teachers Retirement System | 21,932 | $6.11M | 0.01% | +4,082+22.9% | Added |
| Wells Fargo & Company | 20,669 | $5.76M | 0.00% | +2,572+14.2% | Added |
| Van Eck Associates Corp | 19,450 | $5.42M | 0.00% | −456−2.3% | Reduced |
| Victory Capital Management Inc | 18,639 | $5.20M | 0.00% | +4,761+34.3% | Added |
| New York State Teachers Retirement System | 18,372 | $5.12M | 0.01% | +872+5.0% | Added |
| Lazard Asset Management LLC | 18,290 | $5.10M | 0.01% | +18,290 | New |
| Ameriprise Financial Inc | 18,023 | $5.02M | 0.00% | −188−1.0% | Reduced |
| Royal Bank of Canada | 17,198 | $4.79M | 0.00% | +2,487+16.9% | Added |
| Vanguard Asset Management, Ltd | 16,368 | $4.56M | 0.00% | +16,368 | New |
| LPL Financial LLC | 16,240 | $4.53M | 0.00% | +946+6.2% | Added |
| State Board of Administration of Florida Retirement System | 16,003 | $4.46M | 0.01% | −2,635−14.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 15,743 | $4.39M | 0.00% | +15,743 | New |
| Russell Investments Group, Ltd. | 15,494 | $4.32M | 0.00% | +11,068+250.1% | Added |
| HSBC Holdings PLC | 15,585 | $4.31M | 0.00% | +15,585 | New |