Last updated Jul 1, 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, 7 superinvestors hold MA and 23 members of Congress have traded it.
Notable holders include Warren Buffett, Polen Capital, and Chuck Akre. Active congressional traders include Ro Khanna, Michael McCaul, and Josh Gottheimer.
Key takeaways
Last updated Jul 1, 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, 7 superinvestors hold MA and 23 members of Congress have traded it.
Notable holders include Warren Buffett, Polen Capital, and Chuck Akre. Active congressional traders include Ro Khanna, Michael McCaul, and Josh Gottheimer.
Key takeaways