BIO
BIO-RAD LABORATORIES-AData as of 2026 Q1 (03-31) · 13F snapshot
Summary
BIO-RAD LABORATORIES-A (BIO) is held by 6 tracked hedge-fund managers, a combined reported value of ~$90.19M; the largest are Joel Greenblatt, Ken Griffin, Steven Cohen. This quarter: 1 new, 2 added, 1 trimmed. 17 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Heating up
Gurus holding6
Congress trades17
Price$304.36vs quarter-end+9.19%
Sectors0
This quarter's moves
Top holderJoel GreenblattNew1
Added2
Trimmed / sold1
Value $657.0K— of portfolio2,0002024 Q4
Value $446.0K— of portfolio1,6002026 Q1
Value $280.4K— of portfolio1,0002025 Q3
Value $223.0K— of portfolio8002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Izzy EnglanderPUT | $657.0K | — | — |
| Ken GriffinCALL | $446.0K | — | — |
| Ken GriffinPUT | $280.4K | — | — |
| Izzy EnglanderCALL | $223.0K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.