Bio-Rad Laboratories-ABIO
13F holders, Q3 2024 (September 30)439holders −1
62new positions
66sold out
10famous investors
$334.63avg. 13F price*
At the end of Q3 2024, 439 institutions reported holding Bio-Rad Laboratories-A (BIO) in their 13F filings, down 1 from Q2 2024. 62 opened new positions and 66 sold out. The largest holders were BlackRock, Inc. ($645.7M), Vanguard Group Inc. ($638.3M) and Van Eck Associates Corp. ($436.9M). 10 famous investors held it, including John W. Rogers Jr. (1.3% of Ariel Investments's portfolio), Steve Cohen (0.3% of Point72 Asset Management's portfolio) and Israel Englander (0.2% 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 Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 62 | $178.8M |
| Exits | 66 | $222.4M |
All 13F filers, Q2 2024 → Q3 2024: 2,887,371 shares bought and 3,659,677 shares sold, net −772,306 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 439 holders
| BlackRock, Inc. | 0.01% | — | 1,929,901 | $645.7M |
| Vanguard Group Inc. | 0.01% | Reduce -19.7% | 1,907,640 | $638.3M |
| Van Eck Associates Corp. | 0.55% | Add +97.8% | 1,303,752 | $436.9M |
| Veritas Asset Management LLP | 2.69% | Reduce -3.8% | 1,086,479 | $363.5M |
| First Eagle Investment Management, LLC | 0.49% | Add +12.1% | 713,000 | $238.6M |
| Select Equity Group, L.P. | 0.87% | Add +9.1% | 708,452 | $237.0M |
| Dimensional Fund Advisors LP | 0.05% | Add +32.3% | 654,429 | $219.0M |
| State Street Corp. | 0.01% | Reduce -26.1% | 635,916 | $212.8M |
| Earnest Partners LLC | 0.88% | Reduce -0.2% | 605,549 | $202.6M |
| Millennium Management | 0.18% | Add +7057.0% | 583,800 | $195.3M |
| Bank of America Corp. | 0.01% | Add +6.8% | 472,032 | $157.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.04% | Add +1.0% | 441,098 | $147.6M |
| Ariel Investments | 1.29% | Add +263.5% | 378,695 | $126.7M |
| Geode Capital Management, LLC | 0.01% | Reduce -32.4% | 323,908 | $108.1M |
| Southeastern Asset Management Inc. | 4.82% | Reduce -2.0% | 318,336 | $106.5M |
| Parnassus Investments, LLC | 0.22% | No change | 310,732 | $104.0M |
| Thompson Siegel & Walmsley LLC | 1.54% | Reduce -21.3% | 306,793 | $102.6M |
| Bank of New York Mellon Corp | 0.02% | Add +36.9% | 269,347 | $90.1M |
| Westfield Capital Management Co. LP | 0.38% | Add +3.9% | 252,769 | $84.6M |
| Sei Investments Co. | 0.11% | Add +5.1% | 252,514 | $84.5M |
| Point72 Asset Management | 0.30% | New | 250,108 | $83.7M |
| Mawer Investment Management Ltd. | 0.33% | Add +63.0% | 217,885 | $72.9M |
| Northern Trust Corp. | 0.01% | Reduce -15.6% | 209,820 | $70.2M |
| Norges Bank | 0.01% | Reduce -14.1% | 194,522 | $65.1M |
| Morgan Stanley | 0.00% | Reduce -13.8% | 186,952 | $62.6M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -20.1% | 184,315 | $61.7M |
| First Pacific Advisors, LP | 0.75% | Reduce -1.7% | 157,877 | $52.8M |
| Deerfield Management Company, L.P. | 0.84% | Reduce -0.1% | 151,575 | $50.7M |
| Artisan Partners Limited Partnership | 0.07% | Reduce -5.5% | 149,215 | $49.9M |
| Allspring Global Investments Holdings, LLC | 0.08% | Reduce -4.9% | 148,722 | $49.8M |
| GW&K Investment Management, LLC | 0.42% | Add +3.1% | 145,232 | $48.6M |
| QVIDTVM Management LLC | 29.49% | No change | 125,938 | $42.1M |
| Federated Hermes, Inc. | 0.09% | Add +28.4% | 121,223 | $40.6M |
| Franklin Resources Inc. | 0.01% | Reduce -2.9% | 117,243 | $40.0M |
| Tikvah Management LLC | 12.55% | No change | 118,147 | $39.5M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -9.5% | 98,740 | $33.0M |
| Anchor Capital Advisors LLC | 0.87% | Add +14.3% | 97,760 | $32.7M |
| Fisher Asset Management | 0.01% | Reduce -0.9% | 92,736 | $31.0M |
| Manufacturers Life Insurance Company, The | 0.03% | Add +38.3% | 86,782 | $29.0M |
| GMO | 0.09% | Reduce -13.9% | 82,799 | $27.7M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -42.4% | 77,767 | $26.0M |
| Marathon Asset Management Ltd | 0.66% | Add +0.5% | 71,537 | $23.9M |
| Hound Partners, LLC | 5.72% | Reduce -58.5% | 68,360 | $22.9M |
| Legal & General Group Plc | 0.01% | Reduce -37.9% | 66,628 | $22.3M |
| Hosking Partners LLP | 0.80% | Reduce -4.5% | 62,110 | $20.8M |
| Philosophy Capital Management LLC | 2.74% | Add +4.2% | 59,147 | $19.8M |
| Swiss National Bank | 0.01% | Add +0.7% | 59,100 | $19.8M |
| DAVENPORT & Co LLC | 0.11% | Add +1.1% | 56,897 | $19.0M |
| Comerica Bank | 0.07% | Add +20.0% | 55,166 | $18.5M |
| Rhumbline Advisers | 0.02% | Add +55.6% | 54,236 | $18.1M |
| Massachusetts Financial Services Co. | 0.01% | Reduce -84.5% | 54,163 | $18.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -8.2% | 54,136 | $18.1M |
| Bellevue Group AG | 0.25% | Reduce -70.3% | 46,151 | $15.4M |
| Moore Capital Management, LP | 0.48% | New | 45,000 | $15.1M |
| HRT Financial LP | 0.07% | New | 44,520 | $14.9M |
| Principal Financial Group Inc. | 0.01% | Add +95.6% | 44,341 | $14.8M |
| CIBC Private Wealth Group LLC | 0.03% | Add +0.3% | 43,349 | $14.5M |
| Wells Fargo & Company | 0.00% | Reduce -2.8% | 42,765 | $14.3M |
| Barclays PLC | 0.01% | Reduce -11.4% | 41,976 | $14.0M |
| Assenagon Asset Management S.A. | 0.03% | Reduce -22.8% | 41,960 | $14.0M |
| Natixis Advisors, LLC | 0.03% | Add +24.3% | 41,323 | $13.8M |
| Invesco Ltd. | 0.00% | Reduce -92.6% | 40,312 | $13.5M |
| Gabelli Funds LLC | 0.10% | Reduce -3.6% | 40,300 | $13.5M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -34.0% | 39,178 | $13.1M |
| Kornitzer Capital Management Inc. | 0.24% | Add +10.2% | 38,517 | $12.9M |
| Westwood Holdings Group Inc. | 0.10% | New | 38,291 | $12.8M |
| Sumitomo Mitsui Trust Group, Inc. | 0.01% | Reduce -18.2% | 37,964 | $12.7M |
| Amundi | 0.00% | Reduce -18.1% | 36,638 | $12.4M |
| Deutsche Bank AG | 0.01% | Reduce -59.6% | 36,574 | $12.2M |
| Ameriprise Financial Inc. | 0.00% | Add +101.3% | 33,611 | $11.2M |
| Soditic Asset Management LLP | 10.79% | No change | 31,727 | $10.6M |
| Susquehanna International Group, LLP | 0.02% | Add +178.7% | 31,665 | $10.6M |
| Candriam S.C.A. | 0.06% | Add +34.9% | 31,527 | $10.5M |
| California Public Employees Retirement System | 0.01% | Reduce -25.1% | 31,102 | $10.4M |
| California State Teachers Retirement System | 0.01% | Reduce -1.3% | 30,578 | $10.2M |
| AQR Capital Management | 0.01% | Reduce -36.3% | 30,527 | $10.1M |
| UBS Group AG | 0.00% | Reduce -44.8% | 29,227 | $9.8M |
| Teachers Retirement System of the State of Kentucky | 0.08% | Add +17.0% | 28,523 | $9.5M |
| ICICI Prudential Asset Management Co Ltd | 1.00% | Add +108.0% | 28,316 | $9.5M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -39.1% | 27,620 | $9.2M |
| Alliancebernstein L.P. | 0.00% | Add +17.3% | 27,277 | $9.1M |
| GAMCO Investors | 0.09% | No change | 26,750 | $9.0M |
| Winslow Asset Management Inc. | 1.50% | Add +1.6% | 24,262 | $8.1M |
| Royal Bank of Canada | 0.00% | Reduce -14.2% | 23,485 | $7.9M |
| Retirement Systems of Alabama | 0.03% | Add +416.9% | 23,260 | $7.8M |
| Corebridge Financial, Inc. | 0.04% | Add +335.2% | 22,645 | $7.6M |
| Citigroup Inc. | 0.01% | Reduce -15.1% | 22,501 | $7.5M |
| Portolan Capital Management, LLC | 0.53% | Reduce -12.9% | 21,900 | $7.3M |
| Squarepoint Ops LLC | 0.02% | Reduce -15.5% | 21,886 | $7.3M |
| Victory Capital Management Inc. | 0.01% | Add +0.9% | 21,294 | $7.1M |
| Citadel Advisors | 0.01% | New | 20,493 | $6.9M |
| State Board of Administration of Florida Retirement System | 0.01% | No change | 18,594 | $6.2M |
| First Trust Advisors LP | 0.01% | New | 18,256 | $6.1M |
| Gotham Asset Management | 0.06% | Reduce -36.8% | 18,144 | $6.1M |
| Beacon Pointe Advisors, LLC | 0.07% | Reduce -1.2% | 17,799 | $6.0M |
| WINTON GROUP Ltd | 0.42% | New | 17,728 | $5.9M |
| New York State Teachers Retirement System | 0.01% | Add +7.1% | 17,300 | $5.8M |
| Sector Gamma As | 1.71% | No change | 16,829 | $5.6M |
| D. E. Shaw & Co. | 0.01% | Reduce -60.9% | 16,788 | $5.6M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +64.3% | 16,153 | $5.4M |
"% of holder's portfolio" is BIO's weight in each manager's 13F, not the share of Bio-Rad Laboratories-A the manager owns.