CIK: 0002006397
Total reported value
$33.7B
Reporting period: 2026-03-31 · Number of holdings: 3
MASTERCARD FOUNDATION ASSET MANAGEMENT CORP disclosed 3 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $33.7B and a quarterly turnover rate of 19.9%.
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Mastercard Foundation Asset Management CORP's disclosed holdings carry a Herfindahl concentration index of 0.938 — mathematically equivalent to about 1 equally-sized positions, well below its 3 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.65), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Trim MA
-7.0% -$7.4B
Add BND
0.0% -$3.8M
Add AGG
0.0% -$2.5M
MASTERCARD FOUNDATION ASSET MANAGEMENT CORP is peeling a tiny fraction of its near-monolithic MA position, signaling a gradual, governance-driven reduction rather than a tactical rotation. This is a foundation-level capital unwind: the trim is too small to alter risk profile, underscoring that the conviction remains absolute, but the fiduciary duty to diversify is finally registering.
The 96.84% weight in a single payment processor is a pure bet on the secular shift to electronic transactions and Mastercard's quasi-regulatory moat. They are pricing in that neither a rates tailwind nor a consumer contraction will dent the stock's premium. The opposing thesis: a regulatory assault on network fees or a deep recession that forces mean-reversion in payment multiples could crack this single-stock endowment, with no offsetting assets to absorb the shock.
The structural vulnerability is concentration squared—a 0.94 HHI leaves the entire portfolio's fate tied to one executive team's execution and one regulator's whim. Unlike a diversified endowment, this lacks even a basic liquidity buffer: any forced sell-down triggers reflexive price pressure, amplifying losses precisely when the foundation might need cash for charitable commitments.
Compiled by AI from public 13F filings; reflects historical positioning only and carries no investment recommendation.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | MA | Mastercard INC - A | Stock-Financials | 96.84% | -0.56% | -6.97% | |
| 2 | BND | Vanguard Total Bond Market | ETF-Other | 1.94% | +0.34% | — | |
| 3 | AGG | Ishares Core U.s. Aggregate | ETF-Other | 1.22% | +0.22% | — |
Performance for Q3 2026
+8%
Performance Last 4 Quarters
-2.7%
Mastercard Foundation Asset Management CORP's most significant position changes for 2026-03-31: Trim: Mastercard INC - A (MA) — shares -6.97%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | BND | Vanguard Total Bond Market | +0.3% | — | Unchanged |
| 2 | AGG | Ishares Core U.s. Aggregate | +0.2% | — | Unchanged |
| 3 | MA | Mastercard INC - A | -0.6% | -6.97% | Trim |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-04-16 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-01-23 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-10-20 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-01 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-09 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-12 | 13F-HR | View on EDGAR |
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