CRL
CHARLES RIVER LABORATORIESData as of 2026 Q1 (03-31) · 13F snapshot
Summary
CHARLES RIVER LABORATORIES (CRL) is held by 8 tracked hedge-fund managers, a combined reported value of ~$574.29M; the largest are Ken Griffin, Izzy Englander, Andreas Halvorsen. This quarter: 3 added, 1 trimmed, 3 closed. 19 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Mixed
Gurus holding8
Congress trades19
Price$229.29vs quarter-end+32.92%
Sectors0
This quarter's moves
Top holderKen GriffinNew0
Added3
Trimmed / sold4
Value $79.54M0.4% of portfolio394,0892023 Q1
Value $7.16M— of portfolio35,9002025 Q4
Value $4.88M— of portfolio28,3002026 Q1
Value $1.66M— of portfolio9,6002026 Q1
Value $227.6K— of portfolio1,5002025 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Andreas Halvorsen | $79.54M | 0.4% | Trim |
| Izzy EnglanderCALL | $7.16M | — | — |
| Ken GriffinCALL | $4.88M | — | — |
| Ken GriffinPUT | $1.66M | — | — |
| Izzy EnglanderPUT | $227.6K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.