Bio-Rad Laboratories Class B – Investors and Politicians Who Own It
BIO, 2 share classes and securities
Investors who own it
2 tracked investors, $247.7M in shares, each from their latest 13F.
| Investor | Value | Share of portfolio |
|---|---|---|
John RogersAriel Investments, Q2 2026 | $239.8M | 2.39% |
Mario GabelliGAMCO Investors, Q2 2026 | $7.9M | 0.07% |
Politicians who own it
Estimated from annual disclosures and trades; values are rough estimates.
No member of Congress is estimated to hold this stock.
Investors buying and selling
| Investor | Action | Shares now |
|---|---|---|
| Mason Hawkins | Sold out | 0 |
| John Rogers | Added +3.9% | 816,751 |
| Ray Dalio | Sold out | 0 |
Politicians trading it
Latest Congress trades disclosed under the STOCK Act; amounts are ranges.
| Politician | Action | Traded |
|---|---|---|
Susie LeeJointD-NV · House | Sold$1K–$15K | Nov 30, 2022disclosed Dec 29, 2022 |
Tommy TubervilleJointR-AL · Senate | Sold$1K–$15K | Mar 30, 2022disclosed Apr 8, 2022 |
Tommy TubervilleJointR-AL · Senate | Bought$1K–$15K | Mar 29, 2021disclosed Jul 23, 2021 |
Susie LeeJointD-NV · House | Sold part$1K–$15K | Jan 5, 2021disclosed Feb 10, 2021 |
Susie LeeJointD-NV · House | Sold part$1K–$15K | Oct 2, 2020disclosed Dec 8, 2020 |
Susie LeeJointD-NV · House | Sold part$1K–$15K | May 27, 2020disclosed Jun 15, 2020 |
Susie LeeJointD-NV · House | Sold part$1K–$15K | Apr 7, 2020disclosed Jun 15, 2020 |
Susie LeeJointD-NV · House | Sold part$1K–$15K | Dec 27, 2019disclosed Jan 16, 2020 |
Susie LeeJointD-NV · House | Bought$1K–$15K | Jun 25, 2019disclosed Jul 18, 2019 |
Susie LeeJointD-NV · House | Bought$1K–$15K | Apr 25, 2019disclosed May 9, 2019 |