CUSIP: 911312106
Tracked Investors
9
Total Value Held
$2.6B
Quarter Range
Q1 2021 – Q4 2025
| Investor | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 |
|---|---|---|---|---|
| Andreas HalvorsenViking Global Investors | — | — | — | — |
| Bill GatesBill & Melinda Gates Foundation | held 755K | held 755K | SOLD ALL | — |
| Bill MillerMiller Value Partners | — | — | NEW 87K shares | held 87K |
| David ShawD.E. Shaw & Co | -29.5% 1.2M | +43.0% 1.6M | +23.2% 2.0M | -4.81% 1.9M |
| David TepperAppaloosa Management | — | — | — | — |
| Ken GriffinCitadel Advisors | -6.09% 6.0M | +13.2% 6.8M | +28.3% 8.8M | -3.56% 8.5M |
| Ray DalioBridgewater Associates | — | — | — | NEW 39K shares |
| Steve CohenPoint72 Asset Management | -73.2% 161K | +298% 639K | -67.2% 210K | +145% 515K |
| Warren BuffettBerkshire Hathaway | — | — | — | — |