Bill Ackman's Pershing Square Foundation disclosed a $419 million equity portfolio in its Q2 2026 13F filing, ending an eight-month absence from U.S. public equities. The foundation held zero reportable positions in both Q4 2025 and Q1 2026. Seventy-two percent of the new deployment—approximately $302 million—sits in power generation, energy infrastructure, and utility names, marking a sharp thematic pivot toward regulated and semi-regulated cash flow.
The filing shows concentrated exposure to companies operating baseload generation assets and transmission infrastructure. Positions include established utilities with rate-base growth visibility and two former bitcoin mining operators that have pivoted to industrial-scale power sales and high-performance computing hosting. The foundation's equity book now consists of nine holdings, with the top three accounting for 51% of total market value. No legacy Pershing Square flagship positions—Chipotle, Alphabet, or Hilton—appear in the foundation portfolio.
The timing aligns with structural tightness in U.S. power markets. Grid operators in Texas, PJM, and MISO have published reserve margin forecasts below 15% through 2028, while data center lease commitments have tripled year-over-year in Northern Virginia and Phoenix submarkets. Wholesale power prices in ERCOT averaged $47 per MWh in Q2 2026, up from $34 per MWh in Q2 2025, and forward curves for 2027-2029 remain in steep backwardation. Natural gas inventories exited May at 89% of five-year average despite mild winter draw, compressing the seasonal spread and lifting baseload dispatch margins for combined-cycle units.
Ackman's foundation operates independently of Pershing Square Holdings, the London-listed closed-end fund, but the thematic convergence is notable. Pershing Square Holdings has flagged power infrastructure as a "multi-decade rerating opportunity" in recent investor letters, citing electrification of transport, industrial reshoring, and AI compute buildout as demand catalysts that outpace utility capex budgets. The foundation's entry at current valuations—many regulated utilities trade at 16-18x forward earnings versus a 10-year average of 14x—suggests confidence that earnings growth will exceed multiple compression risk.
The inclusion of two ex-bitcoin miners warrants mention. Both companies reported Q1 2026 revenue splits above 60% from power purchase agreements and colocation contracts, down from 95%-plus cryptocurrency exposure in 2023. One operates 1.2 gigawatts of owned generation capacity in West Texas; the other holds long-term land leases adjacent to three Midwest substations with transformer capacity already permitted for expansion. These are no longer speculative crypto plays—they are vertically integrated power merchants with take-or-pay contracts and investment-grade counterparties.
Allocators should monitor three follow-on signals. First, Pershing Square Holdings' Q3 2026 13F, due mid-November, will clarify whether the flagship fund is mirroring the foundation's energy tilt or maintaining its concentrated consumer/tech book. Second, FERC's pending transmission cost allocation ruling—expected before year-end—will determine whether incumbent utilities or independent developers capture the next $150 billion in grid investment. Third, the foundation's Q3 filing will reveal whether this was a one-time thematic deployment or the start of a multi-quarter accumulation.
Ackman rarely telegraphs macro views through foundation filings, but $302 million into power infrastructure after an eight-month equity blackout is a readable bet: the U.S. grid cannot meet projected load growth without material repricing of generation and transmission assets. The foundation bought the thesis at scale.
The takeaway
Ackman's foundation returns with $419M equity book, 72% in power stocks, after two quarters in cash—structurally long U.S. electricity repricing.
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