Bill Ackman portfolio
Founder and CEO of Pershing Square Capital Management. An activist investor who runs a concentrated book of a few high-conviction positions, often pushing for change at the companies he holds.
Pershing Square Capital Management's 13F for the quarter ending Mar 31, 2026 (filed May 15, 2026) reports 11 positions worth $13.7B. The largest are Brookfield Corp (17.6%), Amazon.com, Inc. (17.4%), Uber Technologies, Inc. (15.7%). The top five make up 78% of the reported portfolio.
Since their last filing
How the stocks in this filing have moved since its quarter ended, weighted by position size. This is not the fund's own return: a 13F leaves out cash, short positions and anything bought or sold since.
Biggest movers
- MSFTMicrosoft Corporation+41.2%
- AMZNAmazon.com, Inc.+22.0%
- METAMeta Platforms, Inc.+26.0%
- BNBROOKFIELD CORP−9.1%
What changed in Q1 2026
Compared with the previous 13F. Sorted by how much the share count changed, not by position size.
New 1
| MSFT Microsoft Corporation | New position | 0% to 15.3% |
Added 1
| AMZN Amazon.com, Inc. | +19.2% shares | 14.3% to 17.4% |
Trimmed 6
| GOOGL Alphabet Inc. | −95.2% shares | 1.4% to <0.1% |
| GOOG Alphabet Inc. | −94.9% shares | 12.5% to 0.7% |
| BN Brookfield Corp | −2.8% shares | 18.1% to 17.6% |
| QSR Restaurant Brands International Inc. | −1.0% shares | 10.1% to 12.2% on price |
| UBER Uber Technologies, Inc. | −0.8% shares | 15.9% to 15.7% |
| META Meta Platforms, Inc. | −0.5% shares | 11.4% to 11.1% |
Sold out 1
| HLT Hilton Worldwide Hldgs Inc | Sold out | was 5.6% of portfolio |
Holdings
| # | Stock | Weight | Value | Shares vs last quarter |
|---|---|---|---|---|
| 1 | BN Brookfield Corp | 17.6% | $2.4B | −2.8% |
| 2 | AMZN Amazon.com, Inc. | 17.4% | $2.4B | +19.2% |
| 3 | UBER Uber Technologies, Inc. | 15.7% | $2.2B | −0.8% |
| 4 | MSFT Microsoft Corporation | 15.3% | $2.1B | New |
| 5 | QSR Restaurant Brands International Inc. | 12.2% | $1.7B | −1.0% |
| 6 | META Meta Platforms, Inc. | 11.1% | $1.5B | −0.5% |
| 7 | HHH Howard Hughes Holdings Inc | 8.7% | $1.2B | No change |
| 8 | SEG Seaport Entmt Group Inc | 0.8% | $107.9M | No change |
| 9 | GOOG Alphabet Inc. | 0.7% | $89.4M | −94.9% |
| 10 | HTZ Hertz Global Hldgs Inc | 0.5% | $70.3M | No change |
| 11 | GOOGL Alphabet Inc. | <0.1% | $9.3M | −95.2% |
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Questions
What does Bill Ackman own?
As of the 13F for Mar 31, 2026, Pershing Square Capital Management's largest holdings were Brookfield Corp (17.6%), Amazon.com, Inc. (17.4%), Uber Technologies, Inc. (15.7%), Microsoft Corporation (15.3%), Restaurant Brands International Inc. (12.2%).
What did Bill Ackman buy last quarter?
New positions: Microsoft Corporation. Biggest additions by share count: Amazon.com, Inc..
What did Bill Ackman sell last quarter?
Sold out of: Hilton Worldwide Hldgs Inc. Biggest reductions by share count: Alphabet Inc., Alphabet Inc., Brookfield Corp, Restaurant Brands International Inc., Uber Technologies, Inc..
When is Bill Ackman's next 13F filing?
Funds file a 13F within 45 days after each quarter ends. The next one, covering the quarter ending Sep 30, 2026, is due by Nov 14, 2026.
What doesn't a 13F show?
A 13F lists US-listed stocks and options a fund held on the last day of the quarter. It leaves out cash, short positions, bonds, most non-US stocks, and any trading since the quarter ended.
Other investors
- Andreas HalvorsenViking Global Investors
- Bill GatesGates Foundation Trust
- Carl IcahnIcahn Capital
- Cathie WoodARK Investment Management
- Chase ColemanTiger Global Management
- Chris HohnTCI Fund Management
- Chuck AkreAkre Capital Management
- Daniel LoebThird Point
- Daniel SundheimD1 Capital Partners
- David EinhornGreenlight Capital
- David TepperAppaloosa Management
- George SorosSoros Fund Management
- Howard MarksOaktree Capital Management
- Leopold AschenbrennerSituational Awareness LP
- Li LuHimalaya Capital
- Mohnish PabraiPabrai Investment Funds
- Nelson PeltzTrian Partners
- Paul SingerElliott Management
- Philippe LaffontCoatue Management
- Seth KlarmanBaupost Group
- Stanley DruckenmillerDuquesne Family Office
- Stephen MandelLone Pine Capital
- Warren BuffettBerkshire Hathaway