Tracking Bill Ackman's Pershing Square 13F Portfolio - Q1 2026 Update

Bill Ackman's Alphabet Sale Has Cost $641 Million — Will His New Mag 7 Pick Save The Trade?

Bill Ackman Explained Why He Just Bought Microsoft. But There Are Even More Reasons to Buy This "Magnificent Seven" Stalwart

Weekly Report: what happened at PSUS last week (0511-0515)?

Bill Ackman Earlier Posted On X "In our 13F which we will file later today, we will disclose a new position in Microsoft, a company we have followed for many years now offered at a highly compelling valuation. While $PSUS will not be filing a 13F tomorrow, it has also recently made $MFST a core holding."

Bill Ackman Posts On X "We sold Google and bought Microsoft. ..."

Bill Ackman Catches Another Falling Magnificent Seven Knife — Will It Work This Time?

Microsoft, Meta, Amazon and Google. Is Ackman's Hedge Fund Just a Mag 7 Play?

Billionaire Investor Bill Ackman Just Added a Fourth "Magnificent Seven" Stock to His Hedge Fund's Portfolio. Should Investors Follow Suit?

Bill Ackman, On X, Says In Our 13F Which We Will File Later Today, We Will Disclose A New Position In Microsoft; Pershing Square USA Has Also Recently Made Microsoft A Core Holding

Ackman reveals new Microsoft stake, calls valuation ‘highly compelling’

This "Celebrity" Fund Launch Can Teach Us a Lot (About What Not to Buy)

Weekly Report: what happened at PSUS last week (0504-0508)?

Bill Ackman’s New IPO Was Supposed to Be a Big Deal. Now He’s Blaming Retail Investors as PSUS Stock Falls.

Bill Ackman Caught The Falling Knife On Meta — It's Still Falling

Bill Ackman Deploys $1.75B Of New IPO Cash Into AI Trade: 'Every Company Is An AI Company'

Ackman's warning to firms not embracing AI: 'you're going to fall behind'

Weekly Report: what happened at PSUS last week (0427-0501)?

Why Closed-End Funds Trade at a Discount and What It Means for Pershing Square

U.S. IPO Weekly Recap: Biotech, Early-Stage Mining, And Bill Ackman Close Out The April IPO Market