Bill Ackman runs Pershing Square Capital Management, L.P.. This page tracks every disclosed change in Bill Ackman's MSFT position across SEC 13F filings — new buys, adds, reductions, and full exits — alongside an implied per-share entry price for each filing.

Use the chart and quarter-by-quarter table above to see when Bill Ackman accumulated, trimmed, or sold MSFT, and how the position compares to the rest of the disclosed long-equity book at Pershing Square Capital Management, L.P..

Bill Ackman runs Pershing Square Capital Management, L.P.. This page tracks every disclosed change in Bill Ackman's MSFT position across SEC 13F filings — new buys, adds, reductions, and full exits — alongside an implied per-share entry price for each filing.

Use the chart and quarter-by-quarter table above to see when Bill Ackman accumulated, trimmed, or sold MSFT, and how the position compares to the rest of the disclosed long-equity book at Pershing Square Capital Management, L.P..