Bill Ackman's Pershing Square Capital Management holds 6.21M shares of Microsoft Corp (MSFT) worth about $2.3B as of June 30, 2026, according to the 13F-HR filed with the SEC on August 14, 2026. The position is 11.89% of the reported portfolio, the 3rd largest of 14 stock positions. Bill Ackman added 10% to the share count in 2026 Q2.
What did the 2026 Q2 filing report for MSFT?
As of June 30, 2026, from the 13F-HR filed August 14, 2026.
| Value | |
|---|---|
| Portfolio weight | 11.89% |
| Shares | 6.21M |
| Reported value | $2.3B |
| Rank in portfolio | 3rd of 14 |
| Largest holding | UBER at 12.72% |
| Top three holdings | 37.2% of the book |
| Change this quarter | +10% shares |
How concentrated is Bill Ackman in MSFT?
MSFT at 11.89% is 1.7 times the average stock position in the Bill Ackman portfolio, which is 7%. The largest holding is UBER at 12.72%. The three largest stocks together are 37.2% of the reported book. A quarter earlier MSFT was 14.65% of the book.
Where does MSFT sit in the Bill Ackman portfolio?
MSFT ranks 3rd of 14 stock positions in the Bill Ackman portfolio at 11.89%, above the fund's average stock position of 7%. The MSFT addition was the 9th largest of the quarter's 14 position changes by percent change to portfolio. 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.
How long has Bill Ackman held MSFT?
Bill Ackman first reported MSFT in the quarter ended March 31, 2026. Every reported trade is on the Bill Ackman MSFT trade history page.
Did other funds buy or sell MSFT in 2026 Q2?
Among the other tracked funds that had filed for 2026 Q2 as of August 14, 2026, 36 hold MSFT. Of those, 3 opened it this quarter. Another 4 sold out of it. The largest buyers of MSFT this quarter were Lewis Sanders, Dodge & Cox Stock Fund and Mark Massey. The largest sellers were Eagle Capital Management, Polen Capital Management and Chris Hohn. Every tracked holder of MSFT is on the MSFT ownership page.
FAQ
What share of the Bill Ackman portfolio is MSFT?
MSFT is 11.89% of the Bill Ackman portfolio as of 2026 Q2, the 3rd largest of 14 stock positions.
What is the MSFT stake of Bill Ackman worth?
Bill Ackman holds 6.21M shares of MSFT, worth about $2.3B at June 30, 2026 prices, 11.89% of the reported portfolio.
What are the largest holdings of Bill Ackman?
The largest stock positions of Bill Ackman as of 2026 Q2 are UBER (12.72%), BN (12.58%) and MSFT (11.89%), together 37.2% of the book.
Did Bill Ackman's Pershing Square Capital Management change its MSFT position in 2026 Q2?
Bill Ackman added 10% to the share count in 2026 Q2.