Bio-Rad Laboratories-ABIO
13F holders, Q4 2024 (December 31)457holders +18
57new positions
55sold out
11famous investors
$328.54avg. 13F price*
At the end of Q4 2024, 457 institutions reported holding Bio-Rad Laboratories-A (BIO) in their 13F filings, up 18 from Q3 2024. 57 opened new positions and 55 sold out. The largest holders were BlackRock, Inc. ($660.8M), Vanguard Group Inc. ($630.7M) and Veritas Asset Management LLP ($320.9M). 11 famous investors held it, including John W. Rogers Jr. (2.0% of Ariel Investments's portfolio), Steve Cohen (0.2% of Point72 Asset Management's portfolio) and Israel Englander (0.1% of Millennium Management's portfolio).
- Company
- Bio-Rad Laboratories-A
- CUSIP
- 090572207
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 57 | $98.7M |
| Exits | 55 | $87.9M |
All 13F filers, Q3 2024 → Q4 2024: 1,284,405 shares bought and 1,986,127 shares sold, net −701,722 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 457 holders
| BlackRock, Inc. | 0.01% | Add +4.2% | 2,011,649 | $660.8M |
| Vanguard Group Inc. | 0.01% | Add +0.6% | 1,919,808 | $630.7M |
| Veritas Asset Management LLP | 2.99% | Reduce -10.1% | 976,827 | $320.9M |
| Dimensional Fund Advisors LP | 0.06% | Add +14.0% | 746,119 | $245.1M |
| Van Eck Associates Corp. | 0.31% | Reduce -44.5% | 723,471 | $237.7M |
| First Eagle Investment Management, LLC | 0.53% | Add +0.1% | 713,505 | $234.4M |
| State Street Corp. | 0.01% | Add +8.5% | 690,165 | $226.7M |
| Earnest Partners LLC | 0.91% | Add +2.1% | 618,049 | $203.0M |
| Ariel Investments | 1.96% | Add +48.0% | 560,524 | $184.1M |
| Select Equity Group, L.P. | 0.62% | Reduce -35.0% | 460,658 | $151.3M |
| Bank of America Corp. | 0.01% | Reduce -9.5% | 427,292 | $140.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.03% | Reduce -11.9% | 388,627 | $127.7M |
| Millennium Management | 0.11% | Reduce -35.1% | 379,077 | $124.5M |
| Geode Capital Management, LLC | 0.01% | Reduce -0.6% | 321,977 | $105.6M |
| Parnassus Investments, LLC | 0.23% | Add +0.0% | 310,867 | $102.1M |
| Southeastern Asset Management Inc. | 4.78% | Reduce -3.1% | 308,469 | $101.3M |
| Sei Investments Co. | 0.11% | Add +7.5% | 271,387 | $89.2M |
| Bank of New York Mellon Corp | 0.02% | Reduce -0.8% | 267,306 | $87.8M |
| Westfield Capital Management Co. LP | 0.38% | Add +4.7% | 264,605 | $86.9M |
| Northern Trust Corp. | 0.01% | Add +24.3% | 260,868 | $85.7M |
| Thompson Siegel & Walmsley LLC | 1.33% | Reduce -15.8% | 258,153 | $84.8M |
| Mawer Investment Management Ltd. | 0.38% | Add +17.9% | 256,927 | $84.4M |
| Morgan Stanley | 0.01% | Add +32.8% | 248,286 | $81.6M |
| Point72 Asset Management | 0.23% | Reduce -1.0% | 247,510 | $81.3M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +4.1% | 191,867 | $63.0M |
| First Pacific Advisors, LP | 0.75% | Reduce -0.0% | 157,850 | $51.9M |
| Deerfield Management Company, L.P. | 1.07% | Add +0.1% | 151,644 | $49.8M |
| Artisan Partners Limited Partnership | 0.08% | Add +0.1% | 149,293 | $49.0M |
| GW&K Investment Management, LLC | 0.41% | Add +0.1% | 145,444 | $47.8M |
| Allspring Global Investments Holdings, LLC | 0.08% | Reduce -3.4% | 143,737 | $46.9M |
| Federated Hermes, Inc. | 0.10% | Add +13.5% | 137,561 | $45.2M |
| Franklin Resources Inc. | 0.01% | Add +15.2% | 135,057 | $44.4M |
| Norges Bank | 0.01% | Reduce -34.8% | 126,766 | $41.6M |
| QVIDTVM Management LLC | 31.47% | Reduce -5.5% | 118,947 | $39.1M |
| Tikvah Management LLC | 10.85% | No change | 118,147 | $38.8M |
| Manufacturers Life Insurance Company, The | 0.03% | Add +23.5% | 107,195 | $35.2M |
| Fisher Asset Management | 0.01% | Add +15.2% | 106,871 | $35.1M |
| Envestnet Asset Management Inc. | 0.01% | Add +6.4% | 105,027 | $34.5M |
| Anchor Capital Advisors LLC | 0.91% | Reduce -0.6% | 97,207 | $31.9M |
| Wedge Capital Management L L P | 0.52% | New | 87,487 | $28.7M |
| DAVENPORT & Co LLC | 0.16% | Add +48.8% | 84,677 | $27.8M |
| UBS Group AG | 0.01% | Add +171.3% | 79,286 | $26.0M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -7.3% | 72,132 | $23.7M |
| Marathon Asset Management Ltd | 0.62% | Reduce -6.2% | 67,127 | $22.1M |
| Comerica Bank | 0.08% | Add +8.3% | 59,775 | $19.6M |
| Legal & General Group Plc | 0.01% | Reduce -11.6% | 58,932 | $19.4M |
| Hound Partners, LLC | 9.29% | Reduce -13.9% | 58,858 | $19.3M |
| Hosking Partners LLP | 0.71% | Reduce -11.5% | 54,992 | $18.1M |
| Swiss National Bank | 0.01% | Reduce -7.5% | 54,700 | $18.0M |
| Rhumbline Advisers | 0.02% | Add +0.5% | 54,500 | $17.9M |
| JPMorgan Chase & Co. | 0.00% | Reduce -12.9% | 47,148 | $15.5M |
| Balyasny Asset Management L.P. | 0.04% | New | 47,073 | $15.5M |
| Freestone Grove Partners LP | 0.19% | — | 46,015 | $15.1M |
| Natixis Advisors, LLC | 0.03% | Add +10.6% | 45,713 | $15.0M |
| Moore Capital Management, LP | 0.30% | No change | 45,000 | $14.8M |
| CIBC Private Wealth Group LLC | 0.03% | Reduce -2.9% | 42,106 | $14.5M |
| Principal Financial Group Inc. | 0.01% | Reduce -0.5% | 44,107 | $14.5M |
| GMO | 0.05% | Reduce -48.3% | 42,784 | $14.1M |
| Acadian Asset Management LLC | 0.04% | Add +2174.6% | 40,897 | $13.4M |
| Barclays PLC | 0.01% | Reduce -3.7% | 40,419 | $13.3M |
| Wells Fargo & Company | 0.00% | Reduce -5.7% | 40,339 | $13.3M |
| Gabelli Funds LLC | 0.10% | No change | 40,300 | $13.2M |
| Nuveen Asset Management, LLC | 0.00% | Add +0.8% | 39,505 | $13.0M |
| Kornitzer Capital Management Inc. | 0.25% | Add +2.0% | 39,303 | $12.9M |
| Invesco Ltd. | 0.00% | Reduce -3.4% | 38,944 | $12.8M |
| Westwood Holdings Group Inc. | 0.10% | Reduce 0.0% | 38,290 | $12.6M |
| Deutsche Bank AG | 0.00% | Add +2.8% | 37,601 | $12.4M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +409.8% | 36,956 | $12.1M |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | Reduce -4.1% | 36,395 | $12.0M |
| Ameriprise Financial Inc. | 0.00% | Add +1.7% | 34,182 | $11.2M |
| Candriam S.C.A. | 0.06% | Add +7.0% | 33,747 | $11.1M |
| Bellevue Group AG | 0.21% | Reduce -27.3% | 33,551 | $11.0M |
| California Public Employees Retirement System | 0.01% | Add +3.4% | 32,150 | $10.6M |
| Portolan Capital Management, LLC | 0.68% | Add +39.7% | 30,586 | $10.0M |
| AQR Capital Management | 0.01% | Reduce -3.8% | 29,380 | $9.7M |
| T. Rowe Price Associates Inc. | 0.00% | Add +5.5% | 29,144 | $9.6M |
| ICICI Prudential Asset Management Co Ltd | 1.02% | No change | 28,316 | $9.3M |
| Alliancebernstein L.P. | 0.00% | Reduce -1.4% | 26,888 | $8.8M |
| GAMCO Investors | 0.09% | No change | 26,750 | $8.8M |
| Teachers Retirement System of the State of Kentucky | 0.08% | Reduce -6.6% | 26,644 | $8.8M |
| California State Teachers Retirement System | 0.01% | Reduce -15.3% | 25,897 | $8.5M |
| D. E. Shaw & Co. | 0.01% | Add +46.7% | 24,625 | $8.1M |
| Winslow Asset Management Inc. | 1.59% | Reduce -0.2% | 24,220 | $8.0M |
| Royal Bank of Canada | 0.00% | Add +3.1% | 24,210 | $8.0M |
| Retirement Systems of Alabama | 0.03% | Add +0.7% | 23,413 | $7.7M |
| Victory Capital Management Inc. | 0.01% | Add +4.3% | 22,217 | $7.3M |
| Gotham Asset Management | 0.07% | Add +21.0% | 21,949 | $7.2M |
| Corebridge Financial, Inc. | 0.04% | Reduce -3.8% | 21,784 | $7.2M |
| Amundi | 0.00% | Reduce -45.3% | 20,042 | $6.9M |
| Citigroup Inc. | 0.01% | Reduce -6.7% | 20,994 | $6.9M |
| Sone Capital Management, LLC | 0.84% | — | 20,281 | $6.7M |
| State Board of Administration of Florida Retirement System | 0.01% | Add +8.8% | 20,234 | $6.6M |
| Point72 (DIFC) Ltd | 0.56% | New | 18,834 | $6.2M |
| Jane Street Group, LLC | 0.01% | Add +622.2% | 17,644 | $5.8M |
| Beacon Pointe Advisors, LLC | 0.06% | Reduce -1.3% | 17,565 | $5.8M |
| New York State Teachers Retirement System | 0.01% | No change | 17,300 | $5.7M |
| Sector Gamma As | 1.90% | No change | 16,829 | $5.5M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -1.6% | 15,894 | $5.2M |
| ExodusPoint Capital Management, LP | 0.05% | New | 15,807 | $5.2M |
| Raymond James Financial Inc. | 0.00% | — | 15,581 | $5.1M |
"% of holder's portfolio" is BIO's weight in each manager's 13F, not the share of Bio-Rad Laboratories-A the manager owns.