Who owns MA? 13F holders and whale ownership
MA is tracked across public portfolios in Whale Analyzer. This page answers who owns MA, which top funds are buying MA, aggregate disclosed value, and recent position changes based on public data. Capital Group is the largest reported holder at $6.94B; the top five funds control 88.0% of reported ownership; institutions were net selling last quarter (6 increased, 6 reduced); the stock trades above the aggregate whale cost basis of $140.86. Top tracked holders include Capital Group, Chuck Akre, NPS Korea, and Polen Capital.
Continue to the live MA dashboardTop holders
| Investor | Reported value | Shares | Change |
|---|---|---|---|
| Capital Group 13F portfolio Capital Research Global Investors holdings | $6.94B | 13.9M | Increased |
| Chuck Akre 13F portfolio Akre Capital Management holdings | $1.14B | 2.3M | Reduced |
| NPS Korea 13F portfolio National Pension Service holdings | $860.1M | 1.7M | Increased |
| Polen Capital 13F portfolio Polen Capital Management holdings | $770.2M | 1.5M | Reduced |
| Dev Kantesaria 13F portfolio Valley Forge Capital Management holdings | $743.2M | 1.5M | Increased |
| Baillie Gifford 13F portfolio Baillie Gifford & Co holdings | $682.6M | 1.4M | Reduced |
| PRIMECAP Management 13F portfolio PRIMECAP Management Company holdings | $290.9M | 582.2K | Increased |
| Altarock Partners 13F portfolio Altarock Partners holdings | $261.2M | 522.8K | Reduced |
| Tom Gayner 13F portfolio Markel Group holdings | $103.7M | 207.5K | Held |
| Stephen Mandel 13F portfolio Lone Pine Capital holdings | $28.6M | 57.2K | Reduced |
| Gavin Baker 13F portfolio Atreides Management holdings | $24.8M | 49.6K | Increased |
| Guy Spier 13F portfolio Aquamarine Fund holdings | $20.0M | 40.0K | Held |
Ownership concentration
Reported ownership of MA is highly concentrated across tracked institutions.
- Single largest holder: 58.4% of reported ownership
- Top 5 holders: 88.0%
- Top 10 holders: 99.5%
Whale activity this quarter
Across 14 tracked institutions, 6 increased, 6 reduced, 2 held. Net positioning is net selling.
- Capital Group — Capital Research Global Investors ($6.94B) (▲ 28.7% qoq shares) · avg cost $108.87
- Chuck Akre — Akre Capital Management ($1.14B) (▼ 24.1% qoq shares)
- NPS Korea — National Pension Service ($860.1M) (▲ 2.3% qoq shares) · avg cost $252.01
- Polen Capital — Polen Capital Management ($770.2M) (▼ 27.7% qoq shares)
- Dev Kantesaria — Valley Forge Capital Management ($743.2M) (→ 0.0% qoq shares) · avg cost $294.27
- Baillie Gifford — Baillie Gifford & Co ($682.6M) (▼ 6.7% qoq shares)
- PRIMECAP Management — PRIMECAP Management Company ($290.9M) (▲ 11.8% qoq shares) · avg cost $164.80
- Altarock Partners — Altarock Partners ($261.2M) (▼ 3.5% qoq shares) · avg cost $167.72
Whale cost basis vs current price
The aggregate tracked cost basis is $140.86 versus a current price of $499.02, so MA trades above its cost basis (+254.3%). Average unrealized P&L across tracked holders: 194%.
Sector positioning — Financials
MA sits within the Financials sector alongside 84 other tracked names. Compare whale ownership across peers:
How to use this page
Values are reported public positions from tracked 13F filers and disclosures — not real-time ownership totals. Open the live MA dashboard for price charts and cross-investor scans, or read the SEC 13F guide.
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Learn more in Whale Analyzer Academy
Deepen your read on MA with these Whale Analyzer Academy guides:
Frequently asked questions
Who owns MA stock?
Whale Analyzer tracks 14 public institutional holders of MA with a combined reported value of $11.87B. See the holder table above for the largest tracked positions.
Which top funds are buying MA?
Tracked institutions were net selling last quarter — 6 increased, 6 reduced, 2 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is MA ownership?
The top five tracked holders report 88.0% of aggregate ownership.
Is MA above or below the whale cost basis?
The aggregate tracked cost basis is $140.86 versus a current price of $499.02 (+254.3%).
What does 13F ownership mean for MA?
Use the interactive MA dashboard on Whale Analyzer for real-time holder analysis, or read our 13F Alpha Signals Guide.