Last updated Aug 21, 2026
JEF (JEF) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in JEF. Across our datasets, 3 superinvestors hold JEF, 1 members of Congress have traded it, and 8 insider buys are on record.
Notable holders include Steven Romick, Warren Buffett, and Francis Chou. Active congressional traders include Zoe Lofgren.
Key takeaways