Bill Ackman Discloses Microsoft Stake as 'Compelling'

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- Bill Ackman said Friday that Pershing Square (PS) will disclose a new position in Microsoft (MSFT) in its upcoming 13F filing, calling the stock 'highly compelling' at current valuations.
- The source ties the new Microsoft stake to Ackman's newly launched fund, PSUS, rather than naming Pershing Square's flagship vehicle as the holder.
Why it matters: Ackman publicly calling Microsoft 'highly compelling' at current valuations is a notable endorsement from a billionaire investor known for selective, high-conviction bets. The upcoming 13F filing will reveal the exact size of the new position, and the source flags the stake as belonging to his newly launched PSUS fund — giving investors a concrete data point on a fresh vehicle.

