Whale Analyzer
MA Institutional Holders and 13F Ownership
Compare 14 tracked holders of MA, their reported positions and disclosed changes. Coverage is limited to the investors tracked by Whale Analyzer; these records do not establish all shareholders or current trades. Capital Group is the largest reported holder at $5.97B; the top five funds control 82.1% of reported ownership; institutions were net buying last quarter (6 increased, 5 reduced); the stock trades above the aggregate whale cost basis of $110.43. Top tracked holders include Capital Group, Chuck Akre, NPS Korea, and Baillie Gifford.
Continue to the live MA dashboardTop holders
| Investor | Reported value | Shares | Change | Report date |
|---|---|---|---|---|
| Capital Group 13F portfolio Capital Research Global Investors holdings | $5.97B | 11.6M | Reduced | 2026-06-30 |
| Chuck Akre 13F portfolio Akre Capital Management holdings | $1.02B | 2.0M | Reduced | 2026-06-30 |
| NPS Korea 13F portfolio National Pension Service holdings | $887.0M | 1.7M | Increased | 2026-06-30 |
| Baillie Gifford 13F portfolio Baillie Gifford & Co holdings | $886.9M | 1.7M | Increased | 2026-06-30 |
| Terry Smith 13F portfolio Fundsmith Equity Fund holdings | $639.5M | 1.2M | New | 2026-06-30 |
| Polen Capital 13F portfolio Polen Capital Management holdings | $586.5M | 1.1M | Reduced | 2026-06-30 |
| Dev Kantesaria 13F portfolio Valley Forge Capital Management holdings | $547.5M | 1.1M | Reduced | 2026-06-30 |
| Altarock Partners 13F portfolio Altarock Partners holdings | $392.7M | 764.5K | Increased | 2026-06-30 |
| PRIMECAP Management 13F portfolio PRIMECAP Management Company holdings | $336.2M | 654.7K | Increased | 2026-06-30 |
| Tom Gayner 13F portfolio Markel Group holdings | $106.6M | 207.5K | Held | 2026-06-30 |
| Gavin Baker 13F portfolio Atreides Management holdings | $48.1M | 93.6K | Increased | 2026-06-30 |
| Guy Spier 13F portfolio Aquamarine Fund holdings | $20.5M | 40.0K | Held | 2026-06-30 |
Ownership concentration
Reported ownership of MA is highly concentrated across tracked institutions.
- Single largest holder: 52.1% of reported ownership
- Top 5 holders: 82.1%
- Top 10 holders: 99.3%
Whale activity this quarter
Across 14 tracked institutions, 6 increased, 5 reduced, 3 held. Net positioning is net buying.
- Capital Group — Capital Research Global Investors ($5.97B) (▼ 16.3% qoq shares) · avg cost $28.00
- Chuck Akre — Akre Capital Management ($1.02B) (▼ 12.8% qoq shares)
- NPS Korea — National Pension Service ($887.0M) (▲ 0.3% qoq shares) · avg cost $252.72
- Baillie Gifford — Baillie Gifford & Co ($886.9M) (▲ 26.4% qoq shares)
- Terry Smith — Fundsmith Equity Fund ($639.5M) · avg cost $459.76
- Polen Capital — Polen Capital Management ($586.5M) (▼ 25.9% qoq shares)
- Dev Kantesaria — Valley Forge Capital Management ($547.5M) (▼ 28.3% qoq shares) · avg cost $202.92
- Altarock Partners — Altarock Partners ($392.7M) (▲ 46.2% qoq shares) · avg cost $263.76
Whale cost basis vs current price
The aggregate tracked cost basis is $110.43 versus a current price of $569.19, so MA trades above its cost basis (+415.5%). Average unrealized P&L across tracked holders: 356%.
Sector positioning — Financials
MA sits within the Financials sector alongside 83 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.
Related stock holder pages
- AVGO whale holders — BROADCOM INC
- NVDA whale holders — NVIDIA CORPORATION
- MSFT whale holders — MICROSOFT CORP
- AMZN whale holders — AMAZON COM INC
- LLY whale holders — ELI LILLY & CO
- GOOGL whale holders — ALPHABET INC
- META whale holders — META PLATFORMS INC
- AAPL whale holders — APPLE INC
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 $11.45B. See the holder table above for the largest tracked positions.
Which top funds are buying MA?
Tracked institutions were net buying last quarter — 6 increased, 5 reduced, 3 held. Check the "Change" column: "New" = fresh position, "Increased" = added, "Reduced" = trimmed.
How concentrated is MA ownership?
The top five tracked holders report 82.1% of aggregate ownership.
Is MA above or below the whale cost basis?
The aggregate tracked cost basis is $110.43 versus a current price of $569.19 (+415.5%).
What does 13F ownership mean for MA?
These are historical reported positions from tracked filers, not real-time ownership or a complete shareholder register. Use the interactive MA dashboard to explore them, or read our 13F Alpha Signals Guide.