Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
MA
MASTERCARD INC - AData as of 2026 Q1 (03-31) · 13F snapshot
Summary
MASTERCARD INC - A (MA) is held by 19 tracked hedge-fund managers, a combined reported value of ~$6.39B; the largest are Warren Buffett, Ken Griffin, Ken Griffin. This quarter: 2 new, 4 added, 2 trimmed, 1 closed. 20 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Heating up
Gurus holding19
Congress trades20
Price$489.98vs quarter-end-1.94%
Sectors3
This quarter's moves
Top holderWarren BuffettNew2
Added4
Trimmed / sold3
Warren BuffettHold
Value $2.28B0.8% of portfolio3,986,6482025 Q4
Ken GriffinAdd
Value $562.45M0.4% of portfolio1,125,6712026 Q1
Value $557.27M— of portfolio1,115,3002026 Q1
Value $408.26M0.3% of portfolio817,0742026 Q1
Value $382.52M1.4% of portfolio794,3132024 Q1
Value $348.71M— of portfolio697,9002026 Q1
Value $309.04M— of portfolio618,5002026 Q1
Philippe LaffontNew large stake
Value $279.37M1.2% of portfolio777,5082021 Q4
Chase ColemanHold
Value $263.11M2.4% of portfolio724,0002023 Q1
Value $175.23M— of portfolio350,7002026 Q1
Value $48.75M— of portfolio133,5282021 Q2
Bill AckmanNew large stake
Value $39.17M2.6% of portfolio220,9002008 Q3
Value $23.70M— of portfolio156,6002017 Q4
Guy SpierHold
Value $19.99M14.8% of portfolio40,0002026 Q1
Value $8.84M— of portfolio17,7002026 Q1
Value $7.35M— of portfolio14,7002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Warren Buffett | $2.28B | 0.8% | Hold |
| Ken Griffin | $562.45M | 0.4% | Add |
| Ken GriffinCALL | $557.27M | — | — |
| Izzy Englander | $408.26M | 0.3% | Add |
| Andreas Halvorsen | $382.52M | 1.4% | Trim |
| Izzy EnglanderPUT | $348.71M | — | — |
| Ken GriffinPUT | $309.04M | — | — |
| Philippe Laffont | $279.37M | 1.2% | New large stake |
| Chase Coleman | $263.11M | 2.4% | Hold |
| Izzy EnglanderCALL | $175.23M | — | — |
| Stanley Druckenmiller | $48.75M | — | — |
| Bill Ackman | $39.17M | 2.6% | New large stake |
| Chase ColemanPUT | $23.70M | — | — |
| Guy Spier | $19.99M | 14.8% | Hold |
| Steven CohenPUT | $8.84M | — | — |
| Steven CohenCALL | $7.35M | — | — |