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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, Q2 2026

Institutional positions in Bio-Rad Laboratories, Inc. as of Jun 30, 2026. 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
399
+8 vs. Q1 2026
Shares held
19.4M
−570.5K (−2.9%) vs. Q1 2026
Total value
$5.70B
+$131.0M (+2.4%) vs. Q1 2026
New holders
60
113 more added
Sold out
52
155 more reduced

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 399 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 heldQ2 2026: $5.70B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Bio-Rad Laboratories, Inc.; share changes are against Q1 2026.

Institutions holding BIO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Amundi15,057$4.42M0.00%−23,721−61.2%Reduced
State Board of Administration of Florida Retirement System15,663$4.60M0.01%−340−2.1%Reduced
AYAL Capital Advisors Ltd16,333$4.80M2.46%+16,333New
Royal Bank of Canada16,448$4.83M0.00%−750−4.4%Reduced
New York State Teachers Retirement System16,464$4.83M0.01%−1,908−10.4%Reduced
Ameriprise Financial Inc16,649$4.89M0.00%−1,374−7.6%Reduced
HSBC Holdings PLC17,582$5.10M0.00%+1,997+12.8%Added
Russell Investments Group, Ltd.17,435$5.12M0.00%+1,941+12.5%Added
Vanguard Asset Management, Ltd17,841$5.24M0.00%+1,473+9.0%Added
BNP Paribas Arbitrage, SA18,205$5.35M0.00%−8,121−30.8%Reduced
Retirement Systems of Alabama18,628$5.47M0.02%−3,661−16.4%Reduced
Marshall Wace, LLP18,980$5.57M0.00%−14,237−42.9%Reduced
D. E. Shaw & Co., Inc.19,256$5.65M0.00%+11,111+136.4%Added
Price T Rowe Associates Inc19,287$5.66M0.00%−54,994−74.0%Reduced
California State Teachers Retirement System20,766$6.10M0.01%−1,166−5.3%Reduced
Acadian Asset Management LLC21,359$6.27M0.01%−81,441−79.2%Reduced
Alliancebernstein L.P.22,502$6.27M0.00%−1,985−8.1%Reduced
Hound Partners, LLC22,481$6.60M0.76%−75,243−77.0%Reduced
Concentric Capital Strategies, LP23,692$6.96M0.43%+23,692New
Winslow Asset Management Inc24,773$7.27M1.26%+604+2.5%Added
Tudor Investment Corp Et Al25,000$7.34M0.03%+19,839+384.4%Added
Gabelli Funds LLC25,900$7.60M0.05%−2,500−8.8%Reduced
Gamco Investors, Inc. Et Al26,750$7.85M0.07%00.0%Unchanged
Palliser Capital (UK) Ltd27,954$8.21M4.41%+27,954New
Nuveen, LLC29,493$8.66M0.00%+76+0.3%Added
Quantinno Capital Management LP30,004$8.81M0.01%−3,646−10.8%Reduced
Sector Gamma AS33,350$9.79M2.12%+9,600+40.4%Added
Invesco Ltd.36,283$10.7M0.00%−552−1.5%Reduced
Swiss National Bank36,320$10.7M0.01%−560−1.5%Reduced
Teachers Retirement System of the State of Kentucky36,444$10.7M0.07%00.0%Unchanged
Legal & General Group Plc36,847$10.8M0.00%+619+1.7%Added
California Public Employees Retirement System36,941$10.8M0.01%+1,593+4.5%Added
Raymond James Financial Inc37,558$11.0M0.00%+1,664+4.6%Added
Bank of Nova Scotia39,708$11.7M0.02%+39,708New
Principal Financial Group Inc40,905$12.0M0.01%+291+0.7%Added
Marathon Asset Mgmt Ltd41,975$12.3M0.50%−11,686−21.8%Reduced
Portolan Capital Management, LLC42,620$12.5M0.47%+28,447+200.7%Added
Assetmark, Inc44,277$13.0M0.02%+5,288+13.6%Added
Rhumbline Advisers45,140$13.3M0.01%−897−1.9%Reduced
Arnhold LLC55,568$16.3M1.14%+12,666+29.5%Added
Millennium Management LLC59,895$17.6M0.01%+56,601+1,718.3%Added
Wellington Management Group LLP60,249$17.7M0.00%+60,249New
Citadel Advisors LLC60,819$17.9M0.01%−87,850−59.1%Reduced
National Bank of Canada65,000$19.1M0.02%−25,000−27.8%Reduced
QVIDTVM Management LLC66,243$19.4M25.39%−17,489−20.9%Reduced
Tikvah Management LLC68,604$20.1M6.12%−29,230−29.9%Reduced
Allspring Global Investments Holdings, LLC69,598$20.7M0.03%−16,367−19.0%Reduced
Mawer Investment Management Ltd.71,577$21.0M0.14%−117,207−62.1%Reduced
Exchange Traded Concepts, LLC72,116$21.2M0.10%+13,586+23.2%Added
Jones Financial Companies LLLP78,878$23.7M0.01%+6,902+9.6%Added
Natixis Advisors, L.P.82,389$24.2M0.03%+7,342+9.8%Added
Allianz Asset Management GmbH87,780$25.8M0.02%−22,461−20.4%Reduced
JNE Partners LLP88,511$26.0M10.68%−3,589−3.9%Reduced
First Trust Advisors LP94,209$27.7M0.02%+92,687+6,089.8%Added
Hosking Partners LLP94,430$27.7M0.92%+25,421+36.8%Added
Wells Fargo & Company97,500$28.6M0.00%+76,831+371.7%Added
Manufacturers Life Insurance Company, The101,580$29.8M0.02%+1,860+1.9%Added
JPMorgan Chase & Co102,605$30.5M0.00%+3,214+3.2%Added
Envestnet Asset Management Inc105,449$31.0M0.01%+116+0.1%Added
Boston Trust Walden Corp111,167$32.6M0.25%+17,672+18.9%Added
Norges Bank111,580$32.8M0.00%+111,580New
Neuberger Berman Group LLC111,812$32.8M0.02%+108,783+3,591.4%Added
ING Groep NV112,700$33.1M0.16%+22,700+25.2%Added
Bank of New York Mellon Corp113,854$33.4M0.01%−13,002−10.2%Reduced
Vanguard Fiduciary Trust Co114,403$33.6M0.01%+764+0.7%Added
Fisher Asset Management, LLC116,909$34.3M0.01%−1,774−1.5%Reduced
Victory Capital Management Inc122,126$35.9M0.02%+103,487+555.2%Added
Mangrove Partners127,191$37.3M2.45%+338+0.3%Added
Thompson Siegel & Walmsley LLC129,881$38.1M0.69%−46,584−26.4%Reduced
Freestone Grove Partners LP140,113$41.1M0.27%−7,492−5.1%Reduced
Gotham Asset Management, LLC166,262$48.8M0.11%+13,878+9.1%Added
GW&K Investment Management, LLC166,905$49.0M0.38%−7,803−4.5%Reduced
SG Americas Securities, LLC170,802$50.1M0.03%+103,817+155.0%Added
Goldman Sachs Group Inc181,225$53.2M0.01%+128,185+241.7%Added
Morgan Stanley190,285$55.9M0.00%−83,646−30.5%Reduced
AQR Capital Management LLC192,711$56.0M0.02%+98,162+103.8%Added
Franklin Resources Inc193,682$56.9M0.01%+23,328+13.7%Added
Charles Schwab Investment Management Inc195,538$57.4M0.01%−1,020−0.5%Reduced
Northern Trust Corp218,285$64.1M0.01%−212−0.1%Reduced
Deerfield Management Company, L.P. (Series C)226,070$66.4M0.69%00.0%Unchanged
Assenagon Asset Management S.A.233,227$68.5M0.09%+85,393+57.8%Added
Barclays PLC267,634$78.6M0.02%−11,201−4.0%Reduced
SEI Investments Co273,377$80.3M0.07%−14,535−5.0%Reduced
UBS Group AG308,325$90.5M0.01%−46,040−13.0%Reduced
Nomura Holdings Inc328,897$96.6M0.41%+111,555+51.3%Added
Geode Capital Management, LLC347,575$102.1M0.01%−17,107−4.7%Reduced
First Pacific Advisors, LP401,861$118.0M1.46%−5,497−1.3%Reduced
UBS Asset Management Americas Inc418,884$123.0M0.02%−7,154−1.7%Reduced
Capital Research Global Investors443,483$130.2M0.02%+57,904+15.0%Added
Capital World Investors462,457$135.8M0.02%+12,457+2.8%Added
Bank of America Corp490,412$144.0M0.01%+45,455+10.2%Added
State Street Corp571,762$167.9M0.00%+12,192+2.2%Added
Earnest Partners LLC580,752$170.5M0.61%−7,979−1.4%Reduced
Vanguard Portfolio Management LLC816,198$239.6M0.01%−12,988−1.6%Reduced
Ariel Investments, LLC816,751$239.8M2.39%+30,790+3.9%Added
Vanguard Capital Management LLC826,972$242.8M0.01%−4,193−0.5%Reduced
Dimensional Fund Advisors LP944,548$277.3M0.05%−144,775−13.3%Reduced
BlackRock, Inc.1,698,929$498.8M0.01%+18,869+1.1%Added
First Eagle Investment Management, LLC2,606,219$765.2M1.26%+3,447+0.1%Added
Parnassus Investments0$00.00%−254,305−100.0%Sold out