Bio-Rad Laboratories-ABIO
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 384 institutions reported holding Bio-Rad Laboratories-A (BIO) in their 13F filings, down 52 from Q1 2025. 48 opened new positions and 100 sold out. The largest holders were First Eagle Investment Management, LLC ($607.5M), Vanguard Group Inc. ($445.6M) and BlackRock, Inc. ($425.4M). 8 famous investors held it, including John W. Rogers Jr. (2.2% of Ariel Investments's portfolio), Joel Greenblatt (0.1% of Gotham Asset Management's portfolio) and Mario Gabelli (0.1% of GAMCO Investors's portfolio).
- Company
- Bio-Rad Laboratories-A
- CUSIP
- 090572207
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 48 | $117.1M |
| Exits | 100 | $81.7M |
All 13F filers, Q1 2025 → Q2 2025: 2,465,869 shares bought and 2,748,638 shares sold, net −282,769 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 384 holders
| First Eagle Investment Management, LLC | 1.22% | Add +60.7% | 2,517,313 | $607.5M |
| Vanguard Group Inc. | 0.01% | Reduce -3.4% | 1,846,543 | $445.6M |
| BlackRock, Inc. | 0.01% | Reduce -12.8% | 1,762,659 | $425.4M |
| Dimensional Fund Advisors LP | 0.06% | Add +14.0% | 999,568 | $241.2M |
| Veritas Asset Management LLP | 2.08% | Reduce -5.5% | 863,141 | $208.3M |
| Ariel Investments | 2.24% | Add +13.0% | 818,624 | $197.6M |
| Earnest Partners LLC | 0.66% | Add +1.0% | 605,886 | $146.2M |
| State Street Corp. | 0.01% | Reduce -15.9% | 584,366 | $141.0M |
| Bank of America Corp. | 0.01% | Add +5.0% | 452,133 | $109.1M |
| First Pacific Advisors, LP | 1.36% | Add +3.9% | 386,949 | $93.4M |
| Geode Capital Management, LLC | 0.01% | Reduce -2.6% | 334,137 | $80.6M |
| Parnassus Investments, LLC | 0.18% | Reduce -0.3% | 317,218 | $76.6M |
| Southeastern Asset Management Inc. | 3.84% | Reduce -2.6% | 315,285 | $76.1M |
| Thompson Siegel & Walmsley LLC | 1.25% | Add +9.5% | 306,132 | $73.9M |
| Mawer Investment Management Ltd. | 0.33% | Reduce -9.4% | 267,108 | $64.5M |
| Sei Investments Co. | 0.07% | Add +4.7% | 265,385 | $64.0M |
| Select Equity Group, L.P. | 0.26% | Reduce -3.5% | 255,989 | $61.8M |
| Millennium Management | 0.06% | Reduce -25.1% | 251,848 | $60.8M |
| Northern Trust Corp. | 0.01% | Reduce -13.3% | 226,505 | $54.7M |
| Deerfield Management Company, L.P. | 1.11% | No change | 226,070 | $54.6M |
| UBS Group AG | 0.01% | Reduce -7.8% | 200,764 | $48.4M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -2.7% | 197,620 | $47.7M |
| Hound Partners, LLC | 5.93% | Reduce -9.8% | 181,936 | $43.9M |
| Morgan Stanley | 0.00% | Reduce -13.5% | 170,103 | $41.0M |
| Royal Bank of Canada | 0.01% | Add +400.0% | 151,558 | $36.6M |
| GW&K Investment Management, LLC | 0.32% | Add +2.3% | 147,213 | $35.5M |
| Westfield Capital Management Co. LP | 0.14% | Add +3.6% | 139,505 | $33.7M |
| Fisher Asset Management | 0.01% | Reduce -4.1% | 137,742 | $33.2M |
| Bank of New York Mellon Corp | 0.01% | Reduce -33.0% | 135,813 | $32.8M |
| Allspring Global Investments Holdings, LLC | 0.05% | Reduce -4.0% | 130,505 | $32.4M |
| Franklin Resources Inc. | 0.01% | Add +15.8% | 131,705 | $31.8M |
| Norges Bank | 0.00% | Reduce -18.1% | 128,408 | $31.0M |
| Federated Hermes, Inc. | 0.06% | Reduce -9.4% | 127,058 | $30.7M |
| QVIDTVM Management LLC | 30.47% | Reduce -0.1% | 126,080 | $30.4M |
| Ilex Capital Partners (UK) LLP | 0.97% | Add +1790.3% | 120,885 | $29.2M |
| Manufacturers Life Insurance Company, The | 0.03% | Add +4.8% | 119,460 | $28.8M |
| Artisan Partners Limited Partnership | 0.04% | Reduce -1.4% | 118,198 | $28.5M |
| Tikvah Management LLC | 8.85% | No change | 111,084 | $26.8M |
| ExodusPoint Capital Management, LP | 0.32% | Add +145.2% | 108,606 | $26.2M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -0.1% | 104,874 | $25.3M |
| Envestnet Asset Management Inc. | 0.01% | Add +0.2% | 103,402 | $25.0M |
| Scopia Capital Management LP | 2.79% | New | 94,737 | $22.9M |
| JNE Partners LLP | 8.94% | New | 92,100 | $22.2M |
| Gotham Asset Management | 0.13% | Add +208.7% | 87,863 | $21.2M |
| Man Group plc | 0.04% | Add +1096.0% | 80,288 | $19.4M |
| HRT Financial LP | 0.08% | Add +27.4% | 74,818 | $18.1M |
| Freestone Grove Partners LP | 0.13% | New | 73,616 | $17.8M |
| Portolan Capital Management, LLC | 0.95% | Add +188.8% | 62,784 | $15.2M |
| Citigroup Inc. | 0.01% | Add +78.1% | 61,681 | $14.9M |
| Marathon Asset Management Ltd | 0.46% | Reduce -1.4% | 59,811 | $14.4M |
| Allianz Asset Management GmbH | 0.02% | Add +231.8% | 54,239 | $13.1M |
| Hosking Partners LLP | 0.52% | Reduce -0.7% | 54,098 | $13.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -6.1% | 53,731 | $13.0M |
| Acadian Asset Management LLC | 0.03% | Reduce -30.0% | 51,410 | $12.4M |
| Rhumbline Advisers | 0.01% | Reduce -9.5% | 50,145 | $12.1M |
| T. Rowe Price Investment Management, Inc. | 0.01% | New | 48,198 | $11.6M |
| Legal & General Group Plc | 0.00% | Reduce -23.9% | 44,157 | $10.7M |
| Principal Financial Group Inc. | 0.01% | Reduce -4.8% | 42,207 | $10.2M |
| Van Eck Associates Corp. | 0.01% | Reduce -93.3% | 40,254 | $9.7M |
| Gabelli Funds LLC | 0.07% | Reduce -1.2% | 39,800 | $9.6M |
| Natixis Advisors, LLC | 0.01% | Add +46.1% | 38,950 | $9.4M |
| Invesco Ltd. | 0.00% | Reduce -5.2% | 37,925 | $9.2M |
| Swiss National Bank | 0.01% | Reduce -32.4% | 37,200 | $9.0M |
| T. Rowe Price Associates Inc. | 0.00% | Add +24.9% | 36,823 | $8.9M |
| Arnhold LLC | 0.77% | New | 34,784 | $8.4M |
| California Public Employees Retirement System | 0.00% | Reduce -3.8% | 32,197 | $7.8M |
| Victory Capital Management Inc. | 0.00% | Add +2.5% | 30,482 | $7.4M |
| Nuveen, LLC | 0.00% | Reduce -80.3% | 29,773 | $7.2M |
| Prelude Capital Management, LLC | 0.69% | Reduce -2.9% | 29,267 | $7.1M |
| ICICI Prudential Asset Management Co Ltd | 0.85% | No change | 28,316 | $6.8M |
| AQR Capital Management | 0.01% | Add +51.7% | 28,189 | $6.8M |
| Ameriprise Financial Inc. | 0.00% | Reduce -13.8% | 27,401 | $6.6M |
| GAMCO Investors | 0.06% | No change | 26,750 | $6.5M |
| Teachers Retirement System of the State of Kentucky | 0.05% | No change | 26,644 | $6.4M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 23,977 | $5.8M |
| Winslow Asset Management Inc. | 1.12% | Reduce -3.6% | 23,026 | $5.6M |
| Retirement Systems of Alabama | 0.02% | Reduce -3.1% | 22,732 | $5.5M |
| Raymond James Financial Inc. | 0.00% | Add +48.8% | 22,574 | $5.4M |
| Alliancebernstein L.P. | 0.00% | Reduce -14.7% | 22,523 | $5.4M |
| Brevan Howard Capital Management LP | 0.06% | New | 21,814 | $5.3M |
| Assetmark, Inc. | 0.01% | Add +131.4% | 21,175 | $5.1M |
| Capital Fund Management S.A. | 0.05% | New | 20,591 | $5.0M |
| Barclays PLC | 0.00% | Reduce -33.5% | 19,848 | $4.8M |
| State Board of Administration of Florida Retirement System | 0.01% | Add +2.4% | 19,812 | $4.8M |
| Wells Fargo & Company | 0.00% | Reduce -19.8% | 18,954 | $4.6M |
| Sivik Global Healthcare LLC | 1.94% | New | 18,000 | $4.3M |
| California State Teachers Retirement System | 0.00% | Reduce -31.6% | 17,921 | $4.3M |
| Sector Gamma As | 1.41% | Add +28.9% | 17,829 | $4.3M |
| New York State Teachers Retirement System | 0.01% | No change | 17,500 | $4.2M |
| Aquatic Capital Management LLC | 0.08% | Add +114.7% | 17,282 | $4.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -95.6% | 16,749 | $4.0M |
| State of Wisconsin Investment Board | 0.01% | Add +11.1% | 16,102 | $3.9M |
| Jain Global LLC | 0.06% | Add +53.8% | 15,064 | $3.6M |
| RK Asset Management, LLC | 3.37% | Add +0.8% | 14,502 | $3.5M |
| Comerica Bank | 0.01% | Reduce -7.5% | 14,476 | $3.5M |
| CenterBook Partners LP | 0.19% | Reduce -46.1% | 14,353 | $3.5M |
| Exchange Traded Concepts, LLC | 0.04% | Add +123.5% | 13,932 | $3.4M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -9.1% | 13,109 | $3.2M |
| LPL Financial LLC | 0.00% | Add +143.6% | 13,091 | $3.2M |
| XTX Topco Ltd | 0.13% | Add +179.7% | 12,774 | $3.1M |
"% of holder's portfolio" is BIO's weight in each manager's 13F, not the share of Bio-Rad Laboratories-A the manager owns.