Last updated Aug 21, 2026
Mastercard Inc (MA) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in MA. Across our datasets, 15 superinvestors hold MA and 17 members of Congress have traded it.
Notable holders include Polen Capital, Bill Ackman, and Chuck Akre. Active congressional traders include Ro Khanna, Michael McCaul, and Josh Gottheimer.
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