3,578 institutions reported holding Mastercard as of 2026-03-31, totalling $383.3B. Sourced from SEC Form 13F filings, filed up to 45 days after quarter end.
#
Institution
Value
1
BlackRock, Inc.
$33.5B
2
MASTERCARD FOUNDATION ASSET MANAGEMENT CORP
$32.6B
3
VANGUARD CAPITAL MANAGEMENT LLC
$26.2B
4
STATE STREET CORP
$18.2B
5
JPMORGAN CHASE & CO
$16.1B
Source: SEC Form 13F filings via SEC EDGAR. Covers long US-listed equity only — short positions, bonds and non-US holdings are not reported on this form.