All whale portfolios


Activist style
Bill Ackman
Pershing Square · Takes a big stake, then pushes the company to change
13F report Q1 2026Filed with the SEC on 2026-05-15Q2 2026 report not filed yet
Portfolio value (US stocks)
$13.7B
Stocks held
11
New / Added
1 / 1
Trimmed / Sold out
2 / 1
Top 5 holdings: BN 17.6%, AMZN 17.4%, UBER 15.7%, MSFT 15.3%, QSR 12.2%
Trades in Q1 2026
Compared with the previous quarter's report
All holdings
Weight = value of that stock ÷ total value of US stocks in the report
0.7%
$89M
Since report +20.9%
0.07%
$9M
Since report +21.8%
Portfolio value over time
Each quarter per the 13F report (value at quarter end)
Latest $13.7B
Q4 202410 stocks
Q1 202511 stocks
Q2 202511 stocks
Q3 202511 stocks
Q4 202511 stocks
Q1 202611 stocks
Top holdings’ weight over time
| Quarter | BN | AMZN | UBER | MSFT | QSR |
|---|---|---|---|---|---|
| Q1 2026 | 17.6% | 17.4% | 15.7% | 15.3% | 12.2% |
| Q4 2025 | 18.1% | 14.3% | 15.9% | – | 10.0% |
| Q3 2025 | 19.2% | 8.7% | 20.3% | – | 10.0% |
| Q2 2025 | 18.5% | 9.3% | 20.6% | – | 11.1% |
| Q1 2025 | 18.0% | – | 18.5% | – | 12.8% |
| Q4 2024 | 15.9% | – | – | – | 11.9% |
Sector breakdown
Technology
31.0%
Consumer Cyclical
29.6%
Financial Services
17.6%
Communication Services
11.8%
Real Estate
8.7%
Other / funds / unknown
0.8%
Industrials
0.5%
Other whales
Alex SacerdoteAndreas HalvorsenBarry RosensteinBill GatesBill MillerBill NygrenBrad GerstnerBridgewaterCarl IcahnCathie WoodChase ColemanChris BloomstranChris HohnChuck AkreDan LoebDan SundheimDavid AbramsDavid EinhornDavid TepperDev KantesariaDuan YongpingFrancois RochonGeorge SorosGlenn GreenbergHenry EllenbogenHoward MarksJeff SmithJoel GreenblattLee AinslieLi LuMario GabelliMason MorfitMichael BurryMohnish PabraiNelson PeltzNick TrainPaul SingerPhilippe LaffontPrem WatsaRuane CunniffSeth KlarmanStanley DruckenmillerStephen MandelTerry SmithTom GaynerTom RussoWarren Buffett
13F reports show only US stocks held at quarter end and can be filed up to 45 days late · They exclude short sales, options and other assets · For educational purposes only — not investment advice