MASTERCARD INC - A (MA) Institutional Ownership and Insiders Activity

MASTERCARD INC - A (MA) is widely held by institutional investors, with 3576 firms reporting positions valued at approximately $390.01B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $34.10B in MA holdings in its latest filing.

Recent insider activity includes 50 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.