Last updated Aug 21, 2026
CLH (CLH) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in CLH. Across our datasets, 1 superinvestors hold CLH and 2 members of Congress have traded it.
Notable holders include Stephen Mandel. Active congressional traders include D000620 and Rob Bresnahan.
Key takeaways