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; 400 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 | 400 | $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 |
|---|---|---|---|---|---|
| Vanguard Asset Management, Ltd | 16,368 | $4.56M | 0.00% | +16,368 | New |
| Royal Bank of Canada | 17,198 | $4.79M | 0.00% | +2,487+16.9% | Added |
| Ameriprise Financial Inc | 18,023 | $5.02M | 0.00% | −188−1.0% | Reduced |
| Lazard Asset Management LLC | 18,290 | $5.10M | 0.01% | +18,290 | New |
| New York State Teachers Retirement System | 18,372 | $5.12M | 0.01% | +872+5.0% | Added |
| Victory Capital Management Inc | 18,639 | $5.20M | 0.00% | +4,761+34.3% | Added |
| Van Eck Associates Corp | 19,450 | $5.42M | 0.00% | −456−2.3% | Reduced |
| Wells Fargo & Company | 20,669 | $5.76M | 0.00% | +2,572+14.2% | Added |
| California State Teachers Retirement System | 21,932 | $6.11M | 0.01% | +4,082+22.9% | Added |
| Retirement Systems of Alabama | 22,289 | $6.21M | 0.02% | +467+2.1% | Added |
| Sector Gamma AS | 23,750 | $6.62M | 1.56% | 00.0% | Unchanged |
| Winslow Asset Management Inc | 24,169 | $6.74M | 1.31% | −229−0.9% | Reduced |
| BNP Paribas Arbitrage, SA | 26,326 | $7.34M | 0.00% | −46,229−63.7% | Reduced |
| Alliancebernstein L.P. | 24,487 | $7.42M | 0.00% | +1,206+5.2% | Added |
| Gamco Investors, Inc. Et Al | 26,750 | $7.46M | 0.07% | 00.0% | Unchanged |
| Gabelli Funds LLC | 28,400 | $7.92M | 0.05% | −5,400−16.0% | Reduced |
| Nuveen, LLC | 29,417 | $8.20M | 0.00% | +732+2.6% | Added |
| Almitas Capital LLC | 30,254 | $8.43M | 1.91% | +30,254 | New |
| Marshall Wace, LLP | 33,217 | $9.26M | 0.01% | +21,657+187.3% | Added |
| Quantinno Capital Management LP | 33,650 | $9.38M | 0.02% | −2,585−7.1% | Reduced |
| California Public Employees Retirement System | 35,348 | $9.85M | 0.01% | +423+1.2% | Added |
| Raymond James Financial Inc | 35,894 | $10.0M | 0.00% | +2,788+8.4% | Added |
| Legal & General Group Plc | 36,228 | $10.1M | 0.00% | −2,091−5.5% | Reduced |
| Teachers Retirement System of the State of Kentucky | 36,444 | $10.2M | 0.08% | 00.0% | Unchanged |
| Invesco Ltd. | 36,835 | $10.3M | 0.00% | +1,775+5.1% | Added |
| Swiss National Bank | 36,880 | $10.3M | 0.01% | 00.0% | Unchanged |
| Amundi | 38,778 | $10.8M | 0.00% | +36,697+1,763.4% | Added |
| Assetmark, Inc | 38,989 | $10.9M | 0.02% | +6,224+19.0% | Added |
| Principal Financial Group Inc | 40,614 | $11.3M | 0.01% | +1,487+3.8% | Added |
| Arnhold LLC | 42,902 | $12.0M | 0.88% | +8,118+23.3% | Added |
| Rhumbline Advisers | 46,037 | $12.8M | 0.01% | +641+1.4% | Added |
| HRT Financial LP | 46,556 | $13.0M | 0.03% | +46,556 | New |
| Select Equity Group, L.P. | 48,436 | $13.5M | 0.07% | +48,436 | New |
| Goldman Sachs Group Inc | 53,040 | $14.8M | 0.00% | +16,821+46.4% | Added |
| Marathon Asset Mgmt Ltd | 53,661 | $15.0M | 0.57% | +6,369+13.5% | Added |
| Exchange Traded Concepts, LLC | 58,530 | $16.3M | 0.13% | +28,938+97.8% | Added |
| SG Americas Securities, LLC | 66,985 | $18.7M | 0.02% | +48,027+253.3% | Added |
| Man Group plc | 67,436 | $18.8M | 0.04% | +61,185+978.8% | Added |
| Jones Financial Companies LLLP | 71,976 | $19.1M | 0.01% | +70,714+5,603.3% | Added |
| Hosking Partners LLP | 69,009 | $19.2M | 0.69% | +15,041+27.9% | Added |
| Price T Rowe Associates Inc | 74,281 | $20.7M | 0.00% | −1,990−2.6% | Reduced |
| Natixis Advisors, L.P. | 75,047 | $20.9M | 0.03% | +4,131+5.8% | Added |
| QVIDTVM Management LLC | 83,732 | $23.3M | 28.68% | +249+0.3% | Added |
| Allspring Global Investments Holdings, LLC | 85,965 | $23.9M | 0.04% | −43,246−33.5% | Reduced |
| 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 |
| JNE Partners LLP | 92,100 | $25.7M | 10.50% | 00.0% | Unchanged |
| AQR Capital Management LLC | 94,549 | $26.0M | 0.01% | +54,354+135.2% | Added |
| Boston Trust Walden Corp | 93,495 | $26.1M | 0.21% | +3,657+4.1% | Added |
| JPMorgan Chase & Co | 99,391 | $26.9M | 0.00% | +45,272+83.7% | Added |
| Hound Partners, LLC | 97,724 | $27.2M | 3.44% | +54,456+125.9% | Added |
| Tikvah Management LLC | 97,834 | $27.3M | 8.45% | −13,250−11.9% | Reduced |
| Manufacturers Life Insurance Company, The | 99,720 | $27.8M | 0.02% | −22,854−18.6% | Reduced |
| Acadian Asset Management LLC | 102,800 | $28.6M | 0.04% | −17,834−14.8% | Reduced |
| Envestnet Asset Management Inc | 105,333 | $29.4M | 0.01% | +10,800+11.4% | Added |
| Federated Hermes, Inc. | 109,895 | $30.6M | 0.05% | −4,034−3.5% | Reduced |
| Allianz Asset Management GmbH | 110,241 | $30.7M | 0.04% | +370.0% | Added |
| Vanguard Fiduciary Trust Co | 113,639 | $31.7M | 0.01% | +113,639 | New |
| Fisher Asset Management, LLC | 118,683 | $33.1M | 0.01% | −12,411−9.5% | Reduced |
| CIBC Bancorp USA Inc. | 120,120 | $33.5M | 0.05% | +120,120 | New |
| Mangrove Partners | 126,853 | $35.4M | 2.87% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 126,856 | $35.4M | 0.01% | −2,498−1.9% | Reduced |
| Freestone Grove Partners LP | 147,605 | $41.1M | 0.30% | +37,081+33.6% | Added |
| Assenagon Asset Management S.A. | 147,834 | $41.2M | 0.07% | +145,623+6,586.3% | Added |
| Citadel Advisors LLC | 148,669 | $41.4M | 0.03% | +139,189+1,468.2% | Added |
| Gotham Asset Management, LLC | 152,384 | $42.5M | 0.13% | +35,366+30.2% | Added |
| Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf) | 162,804 | $45.4M | 2.23% | −64,826−28.5% | Reduced |
| Franklin Resources Inc | 170,354 | $47.5M | 0.01% | +33,137+24.1% | Added |
| GW&K Investment Management, LLC | 174,708 | $48.7M | 0.43% | −2,375−1.3% | Reduced |
| Thompson Siegel & Walmsley LLC | 176,465 | $49.2M | 0.87% | −15,496−8.1% | Reduced |
| Mawer Investment Management Ltd. | 188,784 | $52.6M | 0.34% | −45,162−19.3% | Reduced |
| Charles Schwab Investment Management Inc | 196,558 | $54.8M | 0.01% | +16,169+9.0% | Added |
| Nomura Holdings Inc | 217,342 | $60.6M | 0.50% | +217,342 | New |
| Northern Trust Corp | 218,497 | $60.9M | 0.01% | +2,326+1.1% | Added |
| Deerfield Management Company, L.P. (Series C) | 226,070 | $63.0M | 0.74% | 00.0% | Unchanged |
| Parnassus Investments | 254,305 | $70.9M | 0.21% | +2,165+0.9% | Added |
| Morgan Stanley | 273,931 | $76.4M | 0.00% | +87,544+47.0% | Added |
| Barclays PLC | 278,835 | $77.7M | 0.03% | +254,341+1,038.4% | Added |
| SEI Investments Co | 287,912 | $80.3M | 0.07% | −4,002−1.4% | Reduced |
| UBS Group AG | 354,365 | $98.8M | 0.02% | +138,179+63.9% | Added |
| Geode Capital Management, LLC | 364,682 | $101.7M | 0.01% | +26,354+7.8% | Added |
| Capital Research Global Investors | 385,579 | $107.5M | 0.02% | −108,893−22.0% | Reduced |
| Massachusetts Financial Services Co | 396,150 | $110.4M | 0.04% | −3,057−0.8% | Reduced |
| First Pacific Advisors, LP | 407,358 | $113.6M | 1.59% | +5,901+1.5% | Added |
| UBS Asset Management Americas Inc | 426,038 | $118.8M | 0.02% | +30,961+7.8% | Added |
| Bank of America Corp | 444,957 | $124.0M | 0.01% | −492−0.1% | Reduced |
| Capital World Investors | 450,000 | $125.4M | 0.02% | +450,000 | New |
| State Street Corp | 559,570 | $156.0M | 0.01% | −340.0% | Reduced |
| Earnest Partners LLC | 588,731 | $164.1M | 0.68% | −14,863−2.5% | Reduced |
| Ariel Investments, LLC | 785,961 | $219.1M | 2.45% | +21,289+2.8% | Added |
| Vanguard Portfolio Management LLC | 829,186 | $231.1M | 0.01% | +829,186 | New |
| Vanguard Capital Management LLC | 831,165 | $231.7M | 0.01% | +831,165 | New |
| Dimensional Fund Advisors LP | 1,089,323 | $303.6M | 0.06% | +12,251+1.1% | Added |
| BlackRock, Inc. | 1,680,060 | $468.3M | 0.01% | −888−0.1% | Reduced |
| First Eagle Investment Management, LLC | 2,602,772 | $725.5M | 1.23% | +32,299+1.3% | Added |
| Veritas Asset Management LLP | 0 | $0 | 0.00% | −543,335−100.0% | Sold out |
| Fuller & Thaler Asset Management, Inc. | 0 | $0 | 0.00% | −259,577−100.0% | Sold out |
| Westfield Capital Management Co LP | 0 | $0 | 0.00% | −165,107−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −73,967−100.0% | Sold out |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −58,633−100.0% | Sold out |