Bill Ackman's Pershing Square Capital Management opened a new position in Mastercard Inc (MA) in 2026 Q2, according to the 13F-HR filed with the SEC on August 14, 2026. The filing lists 2.12M shares worth about $1.1B at June 30, 2026, 5.61% of the reported portfolio. MA enters the book as the 9th largest of 14 stock positions.
What did the 2026 Q2 filing report for MA?
As of June 30, 2026, from the 13F-HR filed August 14, 2026.
| Value | |
|---|---|
| Shares | 2.12M |
| Reported value | $1.1B |
| Portfolio weight | 5.61% |
| Rank in portfolio | 9th of 14 |
How big is the new MA position?
Bill Ackman opened 5 stock positions in 2026 Q2; MA is the 2nd largest of them by weight. An average stock position in the Bill Ackman portfolio is 7% of the reported value, so the new name starts below the fund's typical size.
Where does MA sit in the Bill Ackman portfolio?
MA ranks 9th of 14 stock positions in the Bill Ackman portfolio at 5.61%, below the fund's average stock position of 7%. The MA purchase was the 2nd largest of the quarter's 14 position changes by percent change to portfolio. The largest stock position is UBER at 12.72%. Next come BN at 12.58% and MSFT at 11.89%. The three largest stocks together are 37.2% of the book. Across the 2026 Q2 portfolio, Bill Ackman reported 14 stock positions, with 5 opened and 2 closed. The total portfolio value is about $19.5B, up 36% from the prior quarter.
Has Bill Ackman held MA before?
Bill Ackman has not reported MA before in the filings we track. Our data starts with the quarter ended June 30, 2013.
Did other funds buy or sell MA in 2026 Q2?
Among the other tracked funds that had filed for 2026 Q2 as of August 14, 2026, 20 hold MA. Of those, one opened it this quarter. Another 2 sold out of it. The largest buyers of MA this quarter were Eagle Capital Management, Terry Smith and Mark Massey. The largest sellers were Lewis Sanders, Chuck Akre and Thomas Russo. Every tracked holder of MA is on the MA ownership page.
FAQ
How many MA shares does Bill Ackman hold?
Bill Ackman holds 2.12M shares of MA as of June 30, 2026, worth about $1.1B.
What is MA's weight in the Bill Ackman portfolio?
MA is 5.61% of the Bill Ackman portfolio and ranks 9th of 14 stocks by weight.
Has Bill Ackman owned MA before?
No. Bill Ackman has not reported MA before in the filings we track, which start with the quarter ended June 30, 2013.
How many other tracked funds hold MA?
20 other tracked funds that had filed for 2026 Q2 hold MA. One of them opened it this quarter.