Last updated Aug 4, 2026
INTERNATIONAL BUSINESS MACHINES CORP (IBM) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in IBM. Across our datasets, 3 superinvestors hold IBM, 17 members of Congress have traded it, and 3 insider buys are on record.
Notable holders include Mairs & Power, Matrix Asset Advisors, and Christopher Bloomstran. Active congressional traders include Ro Khanna, Michael McCaul, and Lloyd Doggett.
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