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BIO position history

The shares of Bio Rad Labs (BIO) that ARIEL INVESTMENTS, LLC reported in each quarter’s 13F.

Equity, CL A

Shares held by quarter

New Add Reduce Exit

  1. 2021 Q3: 51,940 shares, $39M, 0.35% of portfolio
  2. 2021 Q4: 55,750 shares, $42M, 0.36% of portfolio, Add +7.3%
  3. 2022 Q1: 61,736 shares, $35M, 0.31% of portfolio, Add +10.7%
  4. 2022 Q2: 63,903 shares, $32M, 0.32% of portfolio, Add +3.5%
  5. 2022 Q3: 66,665 shares, $28M, 0.31% of portfolio, Add +4.3%
  6. 2022 Q4: 31,896 shares, $13M, 0.14% of portfolio, Reduce −52.2%
  7. 2023 Q1: 31,797 shares, $15M, 0.15% of portfolio, Reduce −0.3%
  8. 2023 Q2: 4,393 shares, $1.7M, 0.02% of portfolio, Reduce −86.2%
  9. 2023 Q3: 4,529 shares, $1.6M, 0.02% of portfolio, Add +3.1%
  10. 2023 Q4: 4,477 shares, $1.4M, 0.01% of portfolio, Reduce −1.1%
  11. 2024 Q1: 65,092 shares, $23M, 0.22% of portfolio, Add +1353.9%
  12. 2024 Q2: 104,187 shares, $28M, 0.31% of portfolio, Add +60.1%
  13. 2024 Q3: 378,695 shares, $127M, 1.3% of portfolio, Add +263.5%
  14. 2024 Q4: 560,524 shares, $184M, 2.0% of portfolio, Add +48.0%
  15. 2025 Q1: 724,660 shares, $176M, 2.1% of portfolio, Add +29.3%
  16. 2025 Q2: 818,624 shares, $198M, 2.2% of portfolio, Add +13.0%
  17. 2025 Q3: 809,480 shares, $227M, 2.4% of portfolio, Reduce −1.1%
  18. 2025 Q4: 764,672 shares, $232M, 2.5% of portfolio, Reduce −5.5%
  19. 2026 Q1: 785,961 shares, $219M, 2.5% of portfolio, Add +2.8%
  20. 2026 Q2: 816,751 shares, $240M, 2.4% of portfolio, Add +3.9%
Holdings date Value % of holdings Shares Filing date All 13F holders