MA

MASTERCARD INCORPORATED

16 superinvestors own MA

Based on latest 13F filings — data is 45–90 days delayed

Investor	Fund	Weight	Shares	Value	Quarter	Activity
Chuck Akre	Akre Capital Management	18.81%	3,005,280	$1.7B	2025Q4	Reduced
Thomas Russo	Gardner Russo & Quinn	9.77%	1,585,999	$905.4M	2025Q4	New
AltaRock Partners	AltaRock Partners	6.07%	541,836	$309.3M	2025Q4	Reduced
Wallace Weitz	Weitz Investment Management	5.28%	155,900	$89.0M	2025Q4	New
Polen Capital Management	Polen Capital Management	5.20%	2,131,727	$1.2B	2025Q4	Reduced
Jensen Investment Management	Jensen Investment Management	4.34%	482,740	$275.6M	2025Q4	Reduced
John Armitage	Egerton Capital	2.84%	458,342	$261.7M	2025Q4	Held
AKO Capital	AKO Capital	0.87%	100,109	$57K	2025Q4	New
Kenneth Fisher	Fisher Asset Management	0.85%	4,355,805	$2.5B	2025Q4	Added
Warren Buffett	Berkshire Hathaway	0.83%	3,986,648	$2.3B	2025Q4	Held
Francois Rochon	Giverny Capital	0.55%	28,759	$16.4M	2025Q4	Added
Stephen Mandel	Lone Pine Capital	0.40%	96,338	$55.0M	2025Q4	Reduced
Bill Nygren	Oakmark Select Fund – Harris Associates	0.09%	119,031	$68.0M	2025Q4	Reduced
Yacktman Asset Management	Yacktman Asset Management	0.09%	11,670	$6.7M	2025Q4	New
Glenn Greenberg	Brave Warrior Advisors	0.01%	422	$241K	2025Q4	Held
Mairs & Power	Mairs & Power Growth Fund	0.00%	624	$356K	2025Q4	Reduced

Open-market purchases (P) and sales (S) from SEC Form 4 filings · last 12 months

No open-market insider trades in the last 12 months.

Form 4 filings for option exercises and other transaction types are excluded.

STOCK Act disclosures · last 12 months

Congressional trade data coming soon.

We are sourcing STOCK Act disclosures and will display them here shortly.

What Is SEC Form 4?

Understand the insider trade filings behind MA activity.

What Is a 13F Filing?

How superinvestors disclose their quarterly holdings.

Insider Cluster Buying

Why multiple insiders buying together is a strong signal.

Superinvestor Consensus

The most widely held stocks across all tracked institutions.