Last updated 5/29/2026

Bill AckmanNet Worth Estimate

Estimated Range$7.2B - $8.4B$7,200,000,000 - $8,400,000,000

Bill Ackman’s net worth is estimated at $7.2 billion to $8.4 billion as of May 29, 2026. The midpoint is about $7.8 billion.

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Range Model

Scenario Spread

Conservative

$6.2B - $7.3B

Base

$7.2B - $8.4B

Aggressive

$8.4B - $9.8B

Uncertainty Drivers

M Units are fully vested and redeemable subject to conditions and adjustments, but are not identical to freely tradable common shares.
Grantor retained annuity trust economics may not be fully equivalent to Ackman’s direct personal wealth.
Public filings disclose some family, spouse and affiliate holdings but not all pecuniary interests or estate-planning details.
Ackman’s personal LP stakes in Pershing Square funds and other liquid investments are not itemized publicly.
No comprehensive personal liability, pledge, tax-basis or margin-loan disclosure was found.

Estimate

Current Assessment

The estimate is anchored on Ackman’s disclosed Pershing Square Inc. equity. SEC filings show direct shares, shares held through WAA Management, shares in a grantor retained annuity trust, and M Units tied to Pershing Square Inc. common stock. Marked at the May 29, 2026 PS share price, that exposure is worth about $7.0 billion. Additional personal fund investments and liquid assets are likely, but they are not disclosed with enough precision to add line by line. Public AUM, company revenue and fund holdings are not counted as personal wealth unless they can be tied to Ackman’s own ownership.

Key caveats

The estimate is gross and pre-tax.
M Units and trust-held shares are less straightforward than direct common stock.
Personal liabilities, real estate and private fund stakes are not fully disclosed.
External billionaire estimates are used only as a check, not as the main calculation.

Evidence gaps

No complete personal balance sheet is public.
No exact allocation of PSH affiliate ownership to Ackman personally was found.
No public schedule of personal loans, pledges or tax obligations was found.

Confidence

Medium confidence, with material caveats

64/100

The draft is generally defensible for publication with a medium / low-medium public confidence label. Identity is well supported, and the core $7.02B Pershing Square Inc. equity/common-share-equivalent anchor is backed by primary SEC ownership evidence plus a market quote, with internally consistent arithmetic. The main limitations are material: the range depends heavily on treating M Units and trust-held shares as close to common-share equivalents, adds an unitemized allowance for other assets, and lacks public evidence for personal fund stakes, cash, real estate, liabilities, pledges, taxes, and trust economics. These caveats are mostly disclosed in the public copy, so publication is supportable if the confidence label and caveats remain visible.

The supplied artifacts support a strong identity match and a substantial source-backed public-company ownership anchor. However, the published range is not high-confidence because several billion dollars of value depend on M-unit redemption economics, trust/estate structures, and unobserved personal assets or liabilities. The draft’s Low-Medium framing is directionally appropriate; for reader-facing use, it should be presented as medium confidence with prominent caveats, not as a precise billionaire-list figure.

Key Evidence Gaps

Precise economic terms and any appropriate discount for Pershing Square Partner Group LLC M Units.
Full allocation and beneficiary economics of the grantor retained annuity trust and related family/estate-planning structures.
Ackman’s personal LP/fund interests, carried-interest distributions, compensation, cash, and liquid securities outside the disclosed Pershing Square Inc. stake.
Personal real estate holdings and other private assets.
Personal liabilities, pledges, margin loans, tax obligations, and other encumbrances.

Public Caveats

Estimate is as of May 29, 2026 and depends on the Pershing Square Inc. share price of $38.81 used in the research run.
The strongest source-backed anchor is approximately $7.02B of Pershing Square Inc. common-stock and common-share-equivalent exposure before liquidity, tax, trust, or redemption-condition discounts.
M Units and grantor retained annuity trust holdings are less straightforward than directly held freely tradable common shares.
The range includes assumptions for unobserved personal liquidity, fund interests, and historical proceeds; these are not itemized in public filings.

Evidence

Reviewed Signals

Signal	Value	Confidence
2024 strategic investment valuation A 10% Pershing Square Capital Management stake sale for $1.05B implied a private transaction valuation of roughly $10.5B before the later public listing.	$10,500,000,000	76/100
PSH affiliate ownership Ackman plus Coussin, other PSCM affiliates and related entities beneficially owned 28% of PSH as of December 31, 2025.	€0	65/100
Pershing Square Inc. public-company scale Pershing Square Inc. is a public alternative asset manager with market cap around $15.44B, 400M shares outstanding, 2025 revenue around $762.5M and net income around $249.8M.	$15,440,000,000	72/100
Pershing Square Inc. common shares excluding M Units Direct, WAA Management and GRAT common shares excluding M Units total 94,325,763 shares. At $38.81, that subset is about $3.66 billion.	$3,660,782,852	83/100
Pershing Square Inc. common-stock and M-unit economic exposure Direct, WAA Management, GRAT and M-unit common-stock-equivalent exposure totals 180,819,300 PS share equivalents. At $38.81 per share, the gross marked value is about $7.02 billion.	$7,017,597,033	78/100
External billionaire-list estimate External media references put Ackman around $8.17B-$8.24B in 2026.	$8,200,000,000	50/100

Citations

Sources

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Correction

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