Institutional Holders (2026 Q1)
4K + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in MA. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Mastercard Foundation Asset Management Corp | 96.84% | 65,234,702 | $32.60B |
| 2 | Aquamarine Zurich AG | 14.77% | 40,000 | $20K |
| 3 | Seilern Investment Management Ltd | 10.61% | 177,965 | $88.9M |
| 4 | XXEC, Inc. | 10.13% | 104,321 | $57.8M |
| 5 | Metropolis Capital Ltd | 9.82% | 582,037 | $290.8M |
| 6 | Hingham Institution for Savings | 7.99% | 18,100 | $9.0M |
| 7 | Altrafin AG | 7.93% | 46,071 | $23.0M |
| 8 | GUARDCAP ASSET MANAGEMENT Ltd | 7.58% | 264,057 | $132.4M |
| 9 | LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA | 6.89% | 1,379,038 | $687.7M |
| 10 | Manitou Investment Management Ltd. | 6.84% | 69,227 | $34.6M |
| 11 | SeaTown Holdings Pte. Ltd. | 6.45% | 19,700 | $9.8M |
| 12 | WENDELL DAVID ASSOCIATES INC | 5.85% | 107,536 | $54K |
| 13 | Westwind Capital | 5.68% | 47,380 | $24K |
| 14 | Maestria Partners LLC | 5.67% | 31,086 | $15.5M |
| 15 | Bath Savings Trust Co | 5.22% | 97,700 | $48.8M |
| 16 | PICTET BANK & TRUST Ltd | 4.93% | 7,500 | $3.7M |
| 17 | R.H. Investment Group, LLC | 4.93% | 12,593 | $6.4M |
| 18 | Midway Capital Research & Management | 4.86% | 10,314 | $5.2M |
| 19 | NICHOLS & PRATT ADVISERS LLP /MA | 4.71% | 146,153 | $73.0M |
| 20 | THREADGILL FINANCIAL, LLC | 4.61% | 31,738 | $15.9M |
| 21 | Luma Capital S.A. - SPF | 4.52% | 9,404 | $4.7M |
| 22 | Nepsis Inc. | 4.49% | 26,841 | $13.4M |
| 23 | GUYASUTA INVESTMENT ADVISORS INC | 4.29% | 148,549 | $74.2M |
| 24 | Baker Chad R | 4.16% | 44,175 | $22.1M |
| 25 | WELLCOME TRUST LTD (THE) as trustee of the WELLCOME TRUST | 4.14% | 670,000 | $334.8M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|