Last updated Aug 4, 2026
PI (PI) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in PI. Across our datasets, 2 superinvestors hold PI and 1 members of Congress have traded it.
Notable holders include George Soros and Christopher Bloomstran. Active congressional traders include Marjorie Taylor Greene.
Key takeaways