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Livermore
Livermore
ZHEN

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

Superinvestors holding BIO, Q2 2026

See all superinvestors

No superinvestor reported holding BIO in Q2 2026.

Moves by quarter

Superinvestors that opened, added to, trimmed or sold out of BIO each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.

  1. Q2 2026

    0 superinvestors holding at quarter end

    Sold out
    Southeastern Asset Management (Longleaf)

  2. Q1 2026

    1 superinvestor holding at quarter end

    Reduced
    Southeastern Asset Management (Longleaf) (−28.5%)

  3. Q4 2025

    1 superinvestor holding at quarter end

    Reduced
    Southeastern Asset Management (Longleaf) (−4.1%)

  4. Q3 2025

    1 superinvestor holding at quarter end

    Reduced
    Southeastern Asset Management (Longleaf) (−24.7%)

  5. Q2 2025

    1 superinvestor holding at quarter end

    Reduced
    Southeastern Asset Management (Longleaf) (−2.6%)

  6. Q1 2025

    1 superinvestor holding at quarter end

    Added
    Southeastern Asset Management (Longleaf) (+5.0%)

  7. Q4 2024

    1 superinvestor holding at quarter end

    Reduced
    Southeastern Asset Management (Longleaf) (−3.1%)

  8. Q3 2024

    1 superinvestor holding at quarter end

    Reduced
    Southeastern Asset Management (Longleaf) (−2.1%)

  9. Q2 2024

    1 superinvestor holding at quarter end

    Reduced
    Southeastern Asset Management (Longleaf) (−5.5%)

  10. Q1 2024

    1 superinvestor holding at quarter end

    Reduced
    Southeastern Asset Management (Longleaf) (−5.5%)

  11. Q4 2023

    1 superinvestor holding at quarter end

    Added
    Southeastern Asset Management (Longleaf) (+11.6%)

  12. Q3 2023

    1 superinvestor holding at quarter end

    Added
    Southeastern Asset Management (Longleaf) (+0.2%)

  13. Q2 2023

    1 superinvestor holding at quarter end

    New
    Southeastern Asset Management (Longleaf)
    Sold out
    Maverick Capital

  14. Q1 2023

    1 superinvestor holding at quarter end

    Added
    Maverick Capital (+385.4%)

  15. Q4 2022

    1 superinvestor holding at quarter end

    New
    Maverick Capital

  16. Q3 2021

    0 superinvestors holding at quarter end

    Sold out
    Maverick Capital

  17. Q2 2021

    1 superinvestor holding at quarter end

    Added
    Maverick Capital (+22.4%)