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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, Q1 2024

Institutional positions in Bio-Rad Laboratories, Inc. as of Mar 31, 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
466
−17 vs. Q4 2023
Shares held
18.5M
+48.9K (+0.3%) vs. Q4 2023
Total value
$6.42B
+$443.5M (+7.4%) vs. Q4 2023
New holders
54
170 more added
Sold out
71
165 more reduced

4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 466 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 heldQ1 2024: $6.42B
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, Q1 2024

Shares, value and share of portfolio for each institution holding Bio-Rad Laboratories, Inc.; share changes are against Q4 2023.

Institutions holding BIO in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc2,421,334$837.5M0.02%+31,445+1.3%Added
BlackRock Inc.1,479,904$511.9M0.01%+13,640+0.9%Added
Veritas Asset Management LLP1,147,097$396.7M2.88%+64,202+5.9%Added
State Street Corp873,675$302.2M0.01%−1,239−0.1%Reduced
Earnest Partners LLC514,906$178.1M0.82%+121,272+30.8%Added
Select Equity Group, L.P.514,666$178.0M0.64%+322,242+167.5%Added
Geode Capital Management, LLC473,201$163.3M0.02%+13,115+2.9%Added
Invesco Ltd.461,006$159.4M0.03%+3,275+0.7%Added
UBS Asset Management Americas Inc422,157$146.0M0.05%−81,051−16.1%Reduced
Ninety One UK Ltd420,600$145.5M0.41%+420,600New
Bank of America Corp373,882$129.3M0.01%−13,911−3.6%Reduced
Thompson Siegel & Walmsley LLC350,014$121.1M1.86%+1,541+0.4%Added
Massachusetts Financial Services Co347,252$120.1M0.04%+24,958+7.7%Added
Southeastern Asset Management IncSuperinvestorSoutheastern Asset Management (Longleaf)343,959$119.0M4.57%−20,099−5.5%Reduced
Dimensional Fund Advisors LP300,904$104.1M0.03%+81,334+37.0%Added
Hound Partners, LLC264,537$91.5M27.27%+2,873+1.1%Added
Northern Trust Corp253,533$87.7M0.02%+1,138+0.5%Added
Morgan Stanley252,340$87.3M0.01%+2,269+0.9%Added
Parnassus Investments237,790$82.2M0.18%00.0%Unchanged
Norges Bank234,806$81.2M0.01%+8,283+3.7%Added
Westfield Capital Management Co LP230,509$79.7M0.42%−16,701−6.8%Reduced
Charles Schwab Investment Management Inc223,441$77.3M0.02%+9,207+4.3%Added
SEI Investments Co186,626$64.5M0.09%+29,360+18.7%Added
Artisan Partners Limited Partnership179,840$62.2M0.09%+28,149+18.6%Added
Parsifal Capital Management, LP178,013$61.6M4.25%−13,587−7.1%Reduced
Allspring Global Investments Holdings, LLC163,783$56.6M0.09%−2,344−1.4%Reduced
Bellevue Group AG156,618$54.2M0.83%+15,471+11.0%Added
Bank of New York Mellon Corp155,360$53.7M0.01%+21,445+16.0%Added
Deerfield Management Company, L.P. (Series C)152,378$52.7M0.92%+803+0.5%Added
GW&K Investment Management, LLC137,886$47.7M0.42%+93+0.1%Added
Mawer Investment Management Ltd.133,353$46.1M0.21%+9,475+7.6%Added
QVIDTVM Management LLC125,938$43.6M35.07%+900+0.7%Added
Tikvah Management LLC118,147$40.9M12.80%00.0%Unchanged
Legal & General Group Plc117,193$40.5M0.01%−4,463−3.7%Reduced
Nitorum Capital, L.P.111,653$38.6M3.93%−23,251−17.2%Reduced
Deutsche Bank AG106,451$36.8M0.02%+14,110+15.3%Added
FMR LLC105,193$36.4M0.00%−32,472−23.6%Reduced
First Pacific Advisors, LP104,739$36.2M0.51%+99,873+2,052.5%Added
Anchor Capital Advisors LLC100,031$34.6M0.91%+23,333+30.4%Added
Southpoint Capital Advisors LP100,000$34.6M0.68%+100,000New
Envestnet Asset Management Inc99,866$34.5M0.01%−2,112−2.1%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC93,352$32.3M0.12%−5,738−5.8%Reduced
Nuveen Asset Management, LLC91,477$31.7M0.01%+3,245+3.7%Added
Portolan Capital Management, LLC90,992$31.5M2.40%+33,718+58.9%Added
Federated Hermes, Inc.90,183$31.2M0.07%+10,693+13.5%Added
Fisher Asset Management, LLC80,943$28.0M0.01%+279+0.3%Added
Manufacturers Life Insurance Company, The79,464$27.5M0.03%+5,854+8.0%Added
Marathon Asset Mgmt Ltd75,857$26.2M0.70%+75,857New
Qube Research & Technologies Ltd72,770$25.2M0.05%−97,148−57.2%Reduced
Franklin Resources Inc72,423$25.0M0.01%+53,423+281.2%Added
Boone Capital Management LLC72,344$25.0M5.06%+36,631+102.6%Added
Point72 Asset Management, L.P.71,400$24.7M0.07%+71,400New
Hosking Partners LLP69,007$23.9M0.88%−214−0.3%Reduced
Polar Capital Holdings Plc67,188$23.2M0.14%+14,462+27.4%Added
Ariel Investments, LLC65,092$22.5M0.22%+60,615+1,353.9%Added
Swiss National Bank64,900$22.4M0.02%−2,700−4.0%Reduced
Squarepoint Ops LLC60,602$21.0M0.09%−78,525−56.4%Reduced
Candriam Luxembourg S.C.A.59,658$20.6M0.13%−39,666−39.9%Reduced
Goldman Sachs Group Inc55,770$19.3M0.00%−88,563−61.4%Reduced
Prelude Capital Management, LLC53,523$18.5M1.27%+3,974+8.0%Added
UBS Group AG53,302$18.4M0.01%+17,806+50.2%Added
Sumitomo Mitsui Trust Holdings, Inc.50,560$17.5M0.01%−1,004−1.9%Reduced
D. E. Shaw & Co., Inc.46,625$16.1M0.02%−12,729−21.4%Reduced
AQR Capital Management LLC46,090$15.9M0.03%+9,634+26.4%Added
Price T Rowe Associates Inc44,582$15.4M0.00%+748+1.7%Added
Davenport & Co LLC44,353$15.3M0.10%+44,353New
CIBC Private Wealth Group, LLC43,692$14.8M0.03%+405+0.9%Added
Wells Fargo & Company42,077$14.6M0.00%+6,218+17.3%Added
Gabelli Funds LLC41,800$14.5M0.11%+6,000+16.8%Added
California Public Employees Retirement System40,147$13.9M0.01%−740−1.8%Reduced
Assenagon Asset Management S.A.39,875$13.8M0.04%+27,270+216.3%Added
Barclays PLC39,854$13.8M0.01%−22,098−35.7%Reduced
JPMorgan Chase & Co38,211$13.2M0.00%−8,153−17.6%Reduced
Citadel Advisors LLC38,070$13.2M0.01%+16,217+74.2%Added
Rhumbline Advisers37,320$12.9M0.01%−180−0.5%Reduced
Comerica Bank37,054$12.8M0.06%−1,964−5.0%Reduced
Amundi44,503$12.5M0.01%−150,139−77.1%Reduced
State Board of Administration of Florida Retirement System26,050$12.5M0.03%+1,076+4.3%Added
Kornitzer Capital Management Inc34,853$12.1M0.22%−1,794−4.9%Reduced
NFJ Investment Group, LLC34,030$11.8M0.32%−1,785−5.0%Reduced
Sector Gamma AS33,662$11.6M3.28%+10,053+42.6%Added
Gotham Asset Management, LLC33,386$11.5M0.17%−4,028−10.8%Reduced
Bank of Montreal33,011$11.4M0.01%+544+1.7%Added
California State Teachers Retirement System32,398$11.2M0.01%+131+0.4%Added
Two Sigma Investments, LP32,067$11.1M0.03%−946−2.9%Reduced
Royal Bank of Canada31,757$11.0M0.00%−851−2.6%Reduced
Soditic Asset Management LLP31,727$11.0M13.00%−5,392−14.5%Reduced
Philosophy Capital Management LLC30,900$10.7M2.09%+30,900New
Natixis Advisors, L.P.27,682$9.57M0.02%+6,938+33.4%Added
HSBC Holdings PLC27,400$9.47M0.01%−1,667−5.7%Reduced
Principal Financial Group Inc27,055$9.36M0.01%+78+0.3%Added
Gamco Investors, Inc. Et Al26,750$9.25M0.09%−225−0.8%Reduced
Credit Suisse AG25,397$8.78M0.01%−6,670−20.8%Reduced
Alliancebernstein L.P.24,871$8.60M0.00%−416,831−94.4%Reduced
Teachers Retirement System of the State of Kentucky24,385$8.43M0.08%−5,596−18.7%Reduced
Millennium Management LLC22,911$7.92M0.01%−200,331−89.7%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.22,850$7.90M0.01%+2,113+10.2%Added
Royce & Associates LP22,847$7.90M0.07%+12,742+126.1%Added
Winslow Asset Management Inc22,779$7.88M1.48%+723+3.3%Added
Engineers Gate Manager LP21,074$7.29M0.19%−10,652−33.6%Reduced