- Bill Ackman says he built Microsoft position in first quarter CNBC
- Ackman’s Pershing Square takes stake in Microsoft, citing ‘compelling’ valuation Reuters
- Ackman Says Pershing Square Has Taken New Stake in Microsoft WSJ
- Ackman reveals new Microsoft stake, calls valuation ‘highly compelling’ (MSFT:NASDAQ) Seeking Alpha
- Pershing Square Has Taken New Stake in Microsoft, Ackman Says Bloomberg.com