David Tepper Cuts Microsoft 82%, Billionaire Bill Ackman Buys $2 Billion of It. Who’s Winning?

David Tepper's Appaloosa Management chopped its Microsoft presumption by astir 82% successful the archetypal 4th of 2026, portion Bill Ackman's Pershing Square went the different direction, initiating a brand-new involvement of astir 5.65 cardinal shares worthy astir $2.09 cardinal astatine quarter-end. Ackman started accumulating successful February aft Microsoft (NASDAQ:MSFT) sold disconnected pursuing fiscal Q2 earnings, calling the banal a "highly compelling valuation" connected the spot of Azure and AI. It was his lone caller bargain of the quarter, and the sanction is besides a halfway holding successful Pershing Square USA, giving Ackman dual-vehicle condemnation here.

So far, Tepper looks similar the 1 positioned correctly.

What Ackman Actually Bought, And Why

Ackman's thesis rests connected the aforesaid motor that has powered Microsoft for 3 years: unreality and AI. In the astir caller quarter, Azure grew 40%, the Intelligent Cloud conception deed $34.68 cardinal (+30% YoY), and the AI concern surpassed a $37 cardinal annualized tally rate, up 123% twelvemonth implicit year. The guardant visibility is the portion worth investors fixate on: commercialized remaining show obligations reached $627 billion, a contracted backlog that stretches multi-year request into wide sight.

The valuation lawsuit is besides real. Microsoft trades astatine a guardant P/E of 21 with a instrumentality connected equity of 34% and expert people terms of $560.95. The Q3 net study astatine $4.27 EPS vs. $4.07 expected marked a 4th consecutive quarterly beat. For an capitalist buying $2 cardinal of a azygous name, that operation of bushed history, backlog, and a meaningfully little introduction terms clears the bar.

Act now: the expert who called NVIDIA successful 2010 conscionable named his apical 10 AI stocks — and Microsoft didn't marque the cut. Grab the names FREE today.

Why Tepper Is Winning The Trade So Far

The scoreboard is unambiguous. Microsoft is down much than 8% since Feb. 2, falling from $421.49 to $387.95 and is down astir 18% twelvemonth to date. Tepper trimmed astatine higher prices. Ackman bought into the descent and is presently underwater connected his entry.

The carnivore lawsuit Tepper appears to beryllium respecting is the spending broadside of the AI story. Q3 CapEx jumped 84% to $30.88 billion, connected apical of $29.88 cardinal the anterior quarter. Full-year FY25 escaped currency travel fell 3% arsenic capex surged 45%. OpenAI-related concern losses climbed to $3.1 cardinal successful Q1 FY26 from $523 cardinal a twelvemonth earlier. Insiders are not stepping up to support the terms either: Seven insider transactions successful the March-June model were each disposals, with nary purchases.