BA
Bill Ackman (Pershing Square) disclosed new in MICROSOFT CORP
Bill Ackman (Pershing Square) filed a 13F change in MICROSOFT CORP (594918104) on 2026-05-15, covering period end 2026-03-31.
Action
New
Capital
$2,092,970,053 current disclosed value
Institutional 13F Signals1 evidence source
Why it matters
This signal is selected by portfolio impact within the manager filing, while the full filing change list remains available in the briefing.
Full Filing Changes
12 changes from Bill Ackman (Pershing Square), filed 2026-05-15 for period end 2026-03-31.
$13.7B portfolio value
| Stock | Action | Change | Current | Portfolio Impact |
|---|---|---|---|---|
594918104 MICROSOFT CORP | New | $2.1B | $2.1B | 15.26% |
02079K107 ALPHABET INC | Reduced | -$1.8B | $89.4M | 13.45% |
43300A203 HILTON WORLDWIDE HLDGS INC | Sold out | -$870.0M | $0 | 6.34% |
11271J107 BROOKFIELD CORP | Reduced | -$401.8M | $2.4B | 2.93% |
90353T100 UBER TECHNOLOGIES INC | Reduced | -$313.3M | $2.2B | 2.28% |
44267T102 HOWARD HUGHES HOLDINGS INC | Reduced | -$311.2M | $1.2B | 2.27% |
30303M102 META PLATFORMS INC | Reduced | -$242.4M | $1.5B | 1.77% |
02079K305 ALPHABET INC | Reduced | -$203.0M | $9.3M | 1.48% |
23135106 AMAZON COM INC | Increased | $167.4M | $2.4B | 1.22% |
76131D103 RESTAURANT BRANDS INTL INC | Increased | $113.3M | $1.7B | 0.83% |
812215200 SEAPORT ENTMT GROUP INC | Increased | $8.6M | $107.9M | 0.06% |
42806J700 HERTZ GLOBAL HLDGS INC | Reduced | -$8.1M | $70.3M | 0.06% |