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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, Q3 2024

Institutional positions in Bio-Rad Laboratories, Inc. as of Sep 30, 2024. 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
440
+2 vs. Q2 2024
Shares held
19.4M
+1.17M (+6.4%) vs. Q2 2024
Total value
$6.50B
+$1.52B (+30.5%) vs. Q2 2024
New holders
70
132 more added
Sold out
68
169 more reduced

3 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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.

Institutional holdersQ3 2024: 440 institutions
Q1 2021: 492 institutionsQ2 2021: 509 institutionsQ3 2021: 509 institutionsQ4 2021: 534 institutionsQ1 2022: 515 institutionsQ2 2022: 502 institutionsQ3 2022: 485 institutionsQ4 2022: 472 institutionsQ1 2023: 508 institutionsQ2 2023: 470 institutionsQ3 2023: 471 institutionsQ4 2023: 487 institutionsQ1 2024: 466 institutionsQ2 2024: 441 institutionsQ3 2024: 440 institutionsQ4 2024: 457 institutionsQ1 2025: 435 institutionsQ2 2025: 385 institutionsQ3 2025: 397 institutionsQ4 2025: 400 institutionsQ1 2026: 395 institutionsQ2 2026: 399 institutions
Value heldQ3 2024: $6.50B
Q1 2021: $11.2BQ2 2021: $12.5BQ3 2021: $14.5BQ4 2021: $14.4BQ1 2022: $10.8BQ2 2022: $9.46BQ3 2022: $8.13BQ4 2022: $8.11BQ1 2023: $9.20BQ2 2023: $7.19BQ3 2023: $6.73BQ4 2023: $5.98BQ1 2024: $6.42BQ2 2024: $5.41BQ3 2024: $6.50BQ4 2024: $6.17BQ1 2025: $4.71BQ2 2025: $4.63BQ3 2025: $5.46BQ4 2025: $5.88BQ1 2026: $5.57BQ2 2026: $5.70B
Institutions holding BIO and their total value by quarter
QuarterHoldersValue
Q2 2026399$5.70B
Q1 2026395$5.57B
Q4 2025400$5.88B
Q3 2025397$5.46B
Q2 2025385$4.63B
Q1 2025435$4.71B
Q4 2024457$6.17B
Q3 2024440$6.50B
Q2 2024441$5.41B
Q1 2024466$6.42B
Q4 2023487$5.98B
Q3 2023471$6.73B
Q2 2023470$7.19B
Q1 2023508$9.20B
Q4 2022472$8.11B
Q3 2022485$8.13B
Q2 2022502$9.46B
Q1 2022515$10.8B
Q4 2021534$14.4B
Q3 2021509$14.5B
Q2 2021509$12.5B
Q1 2021492$11.2B

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding Bio-Rad Laboratories, Inc.; share changes are against Q2 2024.

Institutions holding BIO in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.1,929,901$645.7M0.01%+1,929,901New
Vanguard Group Inc1,907,640$638.3M0.01%−466,867−19.7%Reduced
Van Eck Associates Corp1,303,752$436.9M0.55%+644,530+97.8%Added
Veritas Asset Management LLP1,086,479$363.5M2.69%−42,332−3.8%Reduced
First Eagle Investment Management, LLC713,000$238.6M0.49%+76,725+12.1%Added
Select Equity Group, L.P.708,452$237.0M0.87%+58,930+9.1%Added
Dimensional Fund Advisors LP654,429$219.0M0.05%+159,825+32.3%Added
State Street Corp635,916$212.8M0.01%−223,975−26.0%Reduced
Earnest Partners LLC605,549$202.6M0.88%−1,239−0.2%Reduced
Millennium Management LLC583,800$195.3M0.17%+575,643+7,057.0%Added
Bank of America Corp472,032$157.9M0.01%+30,156+6.8%Added
UBS Asset Management Americas Inc441,098$147.6M0.04%+4,260+1.0%Added
Ariel Investments, LLC378,695$126.7M1.29%+274,508+263.5%Added
Geode Capital Management, LLC323,908$108.1M0.01%−154,930−32.4%Reduced
Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf)318,336$106.5M5.02%−6,677−2.1%Reduced
Parnassus Investments310,732$104.0M0.22%00.0%Unchanged
Thompson Siegel & Walmsley LLC306,793$102.6M1.54%−83,227−21.3%Reduced
Bank of New York Mellon Corp269,347$90.1M0.02%+72,526+36.8%Added
Westfield Capital Management Co LP252,769$84.6M0.38%+9,584+3.9%Added
SEI Investments Co252,514$84.5M0.11%+12,353+5.1%Added
Point72 Asset Management, L.P.250,108$83.7M0.29%+250,108New
Mawer Investment Management Ltd.217,885$72.9M0.33%+84,237+63.0%Added
Northern Trust Corp209,820$70.2M0.01%−38,908−15.6%Reduced
Norges Bank194,522$65.1M0.01%−32,045−14.1%Reduced
Morgan Stanley186,952$62.6M0.00%−30,064−13.9%Reduced
Charles Schwab Investment Management Inc184,315$61.7M0.01%−46,341−20.1%Reduced
First Pacific Advisors, LP157,877$52.8M0.73%−2,675−1.7%Reduced
Deerfield Management Company, L.P. (Series C)151,575$50.7M0.76%−139−0.1%Reduced
Artisan Partners Limited Partnership149,215$49.9M0.07%−8,616−5.5%Reduced
Allspring Global Investments Holdings, LLC148,722$49.8M0.08%−7,691−4.9%Reduced
GW&K Investment Management, LLC145,232$48.6M0.42%+4,391+3.1%Added
QVIDTVM Management LLC125,938$42.1M29.49%00.0%Unchanged
Federated Hermes, Inc.121,223$40.6M0.09%+26,787+28.4%Added
Franklin Resources Inc117,243$40.0M0.01%−3,469−2.9%Reduced
Tikvah Management LLC118,147$39.5M12.25%00.0%Unchanged
Envestnet Asset Management Inc98,740$33.0M0.01%−10,311−9.5%Reduced
Anchor Capital Advisors LLC97,760$32.7M0.87%+12,190+14.2%Added
Fisher Asset Management, LLC92,736$31.0M0.01%−886−0.9%Reduced
Manufacturers Life Insurance Company, The86,782$29.0M0.03%+24,052+38.3%Added
Grantham, Mayo, Van Otterloo & Co. LLC82,799$27.7M0.09%−13,334−13.9%Reduced
Goldman Sachs Group Inc77,767$26.0M0.00%−57,160−42.4%Reduced
Marathon Asset Mgmt Ltd71,537$23.9M0.66%+344+0.5%Added
Hound Partners, LLC68,360$22.9M5.72%−96,510−58.5%Reduced
Legal & General Group Plc66,628$22.3M0.01%−40,706−37.9%Reduced
Hosking Partners LLP62,110$20.8M0.80%−2,956−4.5%Reduced
Philosophy Capital Management LLC59,147$19.8M2.74%+2,378+4.2%Added
Swiss National Bank59,100$19.8M0.01%+400+0.7%Added
Davenport & Co LLC56,897$19.0M0.11%+590+1.0%Added
Comerica Bank55,166$18.5M0.07%+9,197+20.0%Added
Rhumbline Advisers54,236$18.1M0.02%+19,373+55.6%Added
Massachusetts Financial Services Co54,163$18.1M0.01%−294,377−84.5%Reduced
JPMorgan Chase & Co54,136$18.1M0.00%−4,840−8.2%Reduced
Bellevue Group AG46,151$15.4M0.25%−109,107−70.3%Reduced
Moore Capital Management, LP45,000$15.1M0.44%+45,000New
HRT Financial LP44,520$14.9M0.07%+44,520New
Principal Financial Group Inc44,341$14.8M0.01%+21,669+95.6%Added
CIBC Private Wealth Group, LLC43,349$14.5M0.03%+137+0.3%Added
Wells Fargo & Company42,765$14.3M0.00%−1,252−2.8%Reduced
Barclays PLC41,976$14.0M0.01%−5,406−11.4%Reduced
Assenagon Asset Management S.A.41,960$14.0M0.03%−12,372−22.8%Reduced
Natixis Advisors, L.P.41,323$13.8M0.03%+8,077+24.3%Added
Invesco Ltd.40,312$13.5M0.00%−507,736−92.6%Reduced
Gabelli Funds LLC40,300$13.5M0.10%−1,500−3.6%Reduced
Nuveen Asset Management, LLC39,178$13.1M0.00%−20,231−34.1%Reduced
Kornitzer Capital Management Inc38,517$12.9M0.24%+3,564+10.2%Added
Westwood Holdings Group Inc.38,291$12.8M0.05%+38,291New
Sumitomo Mitsui Trust Holdings, Inc.37,964$12.7M0.01%−8,426−18.2%Reduced
Amundi36,638$12.4M0.00%−8,099−18.1%Reduced
Deutsche Bank AG36,574$12.2M0.00%−53,885−59.6%Reduced
Ameriprise Financial Inc33,611$11.2M0.00%+16,910+101.3%Added
Soditic Asset Management LLP31,727$10.6M10.79%00.0%Unchanged
Susquehanna International Group, LLP31,665$10.6M0.02%+20,304+178.7%Added
Candriam Luxembourg S.C.A.31,527$10.5M0.06%+8,153+34.9%Added
California Public Employees Retirement System31,102$10.4M0.01%−10,394−25.0%Reduced
California State Teachers Retirement System30,578$10.2M0.01%−412−1.3%Reduced
AQR Capital Management LLC30,527$10.1M0.01%−17,427−36.3%Reduced
UBS Group AG29,227$9.78M0.00%−23,683−44.8%Reduced
Teachers Retirement System of the State of Kentucky28,523$9.54M0.08%+4,138+17.0%Added
ICICI Prudential Asset Management Co Ltd28,316$9.47M1.00%+14,700+108.0%Added
Price T Rowe Associates Inc27,620$9.24M0.00%−17,730−39.1%Reduced
Alliancebernstein L.P.27,277$9.13M0.00%+4,019+17.3%Added
Gamco Investors, Inc. Et Al26,750$8.95M0.09%00.0%Unchanged
Winslow Asset Management Inc24,262$8.12M1.50%+385+1.6%Added
Royal Bank of Canada23,485$7.86M0.00%−3,894−14.2%Reduced
Retirement Systems of Alabama23,260$7.78M0.03%+18,760+416.9%Added
Corebridge Financial, Inc.22,645$7.58M0.04%+17,442+335.2%Added
Citigroup Inc22,501$7.53M0.01%−4,014−15.1%Reduced
Portolan Capital Management, LLC21,900$7.33M0.53%−3,250−12.9%Reduced
Squarepoint Ops LLC21,886$7.32M0.02%−4,025−15.5%Reduced
Victory Capital Management Inc21,294$7.12M0.01%+186+0.9%Added
Citadel Advisors LLC20,493$6.86M0.01%+20,493New
State Board of Administration of Florida Retirement System18,594$6.22M0.01%00.0%Unchanged
First Trust Advisors LP18,256$6.11M0.01%+18,256New
Gotham Asset Management, LLC18,144$6.07M0.06%−10,552−36.8%Reduced
Beacon Pointe Advisors, LLC17,799$5.96M0.07%−218−1.2%Reduced
Winton Group Ltd17,728$5.93M0.42%+17,728New
New York State Teachers Retirement System17,300$5.79M0.01%+1,142+7.1%Added
Sector Gamma AS16,829$5.63M1.71%00.0%Unchanged
D. E. Shaw & Co., Inc.16,788$5.62M0.01%−26,188−60.9%Reduced
Great West Life Assurance Co16,153$5.40M0.01%+6,324+64.3%Added