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Bill Ackman Portfolio

Bill Ackman founded Pershing Square Capital Management.

Pershing Square Capital Management, L.P. Holdings · Q1 2026

Disclosed value
$13.7B
Holdings
11
Top sector
Technology
Filed
May 15, 2026
Performance
YTD
−0.3%
−9.3% vs S&P 500
1Y
+7.4%
−11.1% vs S&P 500
3Y
+41.5%
−22.8% vs S&P 500
Bill Ackman's latest portfolio (Q1 2026) holds 11 stocks worth $13.7B. Top holdings: Brookfield Corp, Amazon.com, Inc. (AMZN), Uber Technologies, Inc. (UBER).Biggest last-quarter moves:

Pershing Square Capital Management, L.P. Holdings · 11

Q1 2026 · Showing 5 positions from the selected holding view.

Estimated gain compares the quarter-end mark with a running share-weighted mean of covered-snapshot and add-quarter mean prices. Holdings with incomplete basis or price coverage are excluded.

Stock % Avg. buy price Estimated gain Quarter-end price Last transaction
MInternet Content & InformationMeta Platforms, Inc. (META) 11.1%
Avg. buy price $667.53 Estimated gain−16.5%Quarter-end price $557.37 Last transaction Reduced· Q1 2026Sold 0.5% of shares
M 11.1% $667.53 −16.5% $557.37 Reduced· Q1 2026Sold 0.5% of shares
HRental & Leasing ServicesHertz Global Holdings, Inc. (HTZ) 0.5%
Avg. buy price $5.46 Estimated gain−15.6%Quarter-end price $4.61 Last transaction New· Q1 2025Opened a new position
H 0.5% $5.46 −15.6% $4.61 New· Q1 2025Opened a new position
MSoftware - InfrastructureMicrosoft Corporation (MSFT) 15.3%
Avg. buy price $418.80 Estimated gain−11.6%Quarter-end price $370.17 Last transaction New· Q1 2026Opened a new position
M 15.3% $418.80 −11.6% $370.17 New· Q1 2026Opened a new position
ASpecialty RetailAmazon.com, Inc. (AMZN) 17.4%
Avg. buy price $211.71 Estimated gain−2.6%Quarter-end price $206.15 Last transaction Added· Q1 2026Increased shares by 19.2%
A 17.4% $211.71 −2.6% $206.15 Added· Q1 2026Increased shares by 19.2%
USoftware - ApplicationUber Technologies, Inc. (UBER) 15.7%
Avg. buy price $72.04 Estimated gain−1.9%Quarter-end price $70.68 Last transaction Reduced· Q1 2026Sold 0.8% of shares
U 15.7% $72.04 −1.9% $70.68 Reduced· Q1 2026Sold 0.8% of shares
Data through Q1 2026 · filed May 15, 2026
5 of 5

Biggest position changes

In Q1 2026: 1 new, 1 added, 6 reduced, 1 exited.
Largest disclosed changes in Q1 2026, ranked by estimated dollar change using the quarter's average market price.
Reduced or exitedBought or added
G Alphabet Inc. (GOOG) −$1.8B H Hilton Worldwide Holdings Inc. (HLT) Exited−$918M G Alphabet Inc. (GOOGL) −$203M U Uber Technologies, Inc. (UBER) −$19M M Meta Platforms, Inc. (META) −$8.1M M Microsoft Corporation (MSFT) New+$2.4B A Amazon.com, Inc. (AMZN) +$406M
Other share changes without a dollar estimate, ranked by size.
Reduced or exitedBought or added
Brookfield Corp −1.7M
Restaurant Brands Intl Inc −221K

Portfolio composition

Largest holdings in Q1 2026, sized by their share of the disclosed portfolio. This shows what is owned, not what changed.

Amazon.com, Inc. (AMZN): 17.4%Uber Technologies, Inc. (UBER): 15.7%Microsoft Corporation (MSFT): 15.3%Meta Platforms, Inc. (META): 11.1%Hertz Global Holdings, Inc. (HTZ): 0.5%Other holdings: 40.0%
Show more

Portfolio over time

Each band is a top holding's share of the disclosed portfolio, quarter by quarter; the rest is grouped as other.
0%50%100%202120222023202420252026
Amazon.com, Inc. (AMZN)Uber Technologies, Inc. (UBER)Microsoft Corporation (MSFT)Meta Platforms, Inc. (META)Howard Hughes Holdings Inc. (HHH)Seaport Entertainment Group Inc. (SEG)Other holdings

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About Bill Ackman and Pershing Square Capital Management, L.P.

Bill Ackman founded Pershing Square Capital Management. This page shows Pershing Square's quarterly Form 13F report of certain United States listed long positions, not Ackman's personal account. The report does not cover cash, short positions, private investments, many derivatives, or trades completed before quarter end.

SEC filing history for Pershing Square Capital Management, L.P.

Bill Ackman FAQ

Profile refreshed July 20, 2026

What stocks does Bill Ackman own?

As of the Q1 2026 filing, Bill Ackman's largest disclosed holdings are Brookfield Corp, Amazon.com, Inc. (AMZN), Uber Technologies, Inc. (UBER). The table shows 5 of 11 positions by default, with an exact-count control for the remaining rows. Disclosed shares and values remain visible even when a separate market-price estimate is unavailable.

What did Bill Ackman buy last quarter?

The biggest disclosed buys in Q1 2026 were Microsoft Corporation (MSFT), Amazon.com, Inc. (AMZN), based on the Pershing Square Capital Management, L.P. 13F filing. New positions are marked "new" in the table above.

What did Bill Ackman sell last quarter?

The biggest reductions in Q1 2026 were Alphabet Inc. (GOOG), Alphabet Inc. (GOOGL), Uber Technologies, Inc. (UBER). The filing comparison contains 1 full exits, summarized in the activity view above.

How big is Bill Ackman's portfolio?

The latest 13F discloses $13.7B across 11 positions in Q1 2026. 13F filings cover US-listed long positions only; cash and short positions are not disclosed.

How up to date is this?

Funds file 13Fs up to 45 days after each quarter ends, so this portfolio reflects Q1 2026, the latest disclosed quarter. The filing date is shown with every table.

Where does the Pershing Square Capital Management, L.P. portfolio data come from?

Non-rejected, non-superseded SEC Form 13F filings for Pershing Square Capital Management, L.P. provide the Q1 2026 holdings, disclosed values, and filing date shown here. WhoBought prefers filings whose value units validate and labels a sparse filing when validation is unavailable. Industry labels come from the local company classification record.

How is performance calculated?

Performance uses daily closing prices for holdings with available market-price history. It covers the priced share of disclosed value (72%); holdings without sufficient price history are excluded from the calculation.

Who is Bill Ackman?

Bill Ackman is an American activist investor and the founder and chief executive of Pershing Square Capital Management.

What does activist investor mean in Ackman's case?

Ackman is known for taking meaningful stakes and publicly pressing companies to change. At Canadian Pacific, Pershing Square pursued a proxy contest that led to major leadership changes after shareholders backed its proposed slate.

What did Bill Ackman do before Pershing Square?

After Harvard College and Harvard Business School, he co-founded Gotham Partners with David Berkowitz in 1992. That firm was his main investment vehicle before Pershing Square.

When did Ackman start Pershing Square?

He started Pershing Square Capital Management in 2004 with $54 million from his own funds and backing connected to Leucadia National.

Which investments shaped Ackman's public record?

His record includes successes and losses. The Canadian Pacific campaign brought major corporate changes, while Pershing Square eventually closed its long-running Herbalife short at a loss.

Is Bill Ackman still running Pershing Square?

Yes. He remains the firm's founder and chief executive.

Is the portfolio on this page Ackman's personal account?

No. It is Pershing Square's Form 13F view. The current-holdings and quarterly-changes sections cover the fund's disclosed stocks, additions, reductions, and exits.

Can a retail investor simply mirror Ackman's trades from this page?

The filing is better used as research than as a live trade feed. It shows quarter-end positions after a reporting delay and omits cash, shorts, private investments, many derivatives, and trades completed inside the quarter.

Does the disclosed portfolio reveal Ackman's net worth or Pershing Square's full track record?

No. Personal wealth and fund-wide returns are different from the value of US-listed long positions reported on Form 13F.