MASTERCARD INCORPORATED CL A is a security (CUSIP 57636Q954) tracked across SEC portfolio filings. 10 institutional managers reported $550.6M on Form 13F as of 2026-06-30.
| Manager | Location | Value | Shares |
|---|---|---|---|
| IMC-Chicago, LLC | CHICAGO, IL | $248.4M | — |
| Optiver Holding B.V. | AMSTERDAM, P7 | $244.4M | — |
| SIMPLEX TRADING, LLC | CHICAGO, IL | $33.1M | — |
| JPMORGAN CHASE & CO | NEW YORK, NY | $12.3M | — |
| GROUP ONE TRADING, L.P. | CHICAGO, IL | $12.0M | — |
| GUARDIAN CAPITAL LP | TORONTO, A6 | $228K | — |
| HRT FINANCIAL LP | NEW YORK, NY | $28K | 56,200 |
| CMT Capital Markets Trading GmbH | CHICAGO, IL | $4K | — |
| Capital Markets Trading UK LLP | LONDON, X0 | $2K | — |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | BIRMINGHAM, AL | — | — |