Pershing Square Capital Management’s latest 13F shows just 11 U.S. stock positions worth $13.7B, with the top five holdings comprising ~78% of the portfolio (most concentrated among major funds). The article highlights Ackman’s largest positions—Brookfield (~$2.4B, 17.6% of portfolio) where per-share distributable earnings rose 7% YoY and the company repurchased $470M of shares in 2026 to date, plus Amazon (~$2.4B, 17.4%) with Q1 net sales up 17% YoY to $181.5B and operating income up 30%, and Uber (~$2.2B, 15.7%) with Q1 gross bookings up 25% YoY to $53.7B and free cash flow of $2.3B. Overall, the filing is framed as evidence of bullish positioning toward cash-generating leaders at “reasonable” valuations, though it also notes the risk of such high concentration.
This filing is more useful as a signal of what kind of cash-flow profile the smartest long-only capital is still willing to underwrite: self-help plus compounding, not narrative multiple expansion. The market implication is that BN/AMZN/UBER can keep outperforming on incremental proof points because each has a clear path to converting operating leverage into buybacks, dilution absorption, or multiple support; the better second-order read is that capital is rotating toward businesses with visible internal reinvestment capacity rather than “story” names.
The most interesting setup is UBER. If the market continues to treat autonomous vehicle partnerships as optionality rather than near-term economics, the stock can rerate on continued FCF conversion alone; if AV adoption starts to look credible, there is a second leg from TAM expansion. The loser, relatively, is LYFT: any evidence that Uber is deepening network advantages or locking in premium demand should pressure Lyft’s already thinner strategic moat and keep valuation capped.
BN is a cleaner balance-sheet/capital-return story than a growth story, and that matters because buybacks plus fee-bearing asset growth tend to support earnings per share even in choppier markets. AMZN is the most consensus-owned of the three, so the edge is weaker, but AWS acceleration can still spill over into AI infrastructure beneficiaries such as NVDA/AVGO and power/grid names. The main risk is that 13Fs are stale and the market may be overfitting a snapshot; if UBER’s free cash flow stalls, AWS growth reaccelerates less than expected, or BN buybacks slow, the thesis weakens quickly over the next 1-2 quarters.
Contrarian view: copy-trading the portfolio is probably the wrong conclusion. The better read is that Ackman is concentrating in names where earnings quality is improving faster than the market’s willingness to pay for it; that argues for selective longs, not a basket. In particular, BN and UBER look more underappreciated on a 6-18 month horizon than AMZN, where the valuation already discounts a good deal of operating leverage.
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