CUSIP: 594918104
Tracked Investors
23
Total Value Held
$35.9B
Quarter Range
Q4 2015 – Q4 2025
| Investor | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 |
|---|---|---|---|---|
| Andreas HalvorsenViking Global Investors | -71.4% 684K | SOLD ALL | NEW 2.4M shares | +32.4% 3.2M |
| Bill GatesBill & Melinda Gates Foundation | held 28.5M | -7.96% 26.2M | -64.9% 9.2M | -16.3% 7.7M |
| Bill NygrenHarris Associates | held 4K | +77.8% 7K | +16.3% 8K | -12.7% 7K |
| Chase ColemanTiger Global Management | +16.8% 6.2M | +4.98% 6.6M | held 6.6M | -16.4% 5.5M |
| Chris HohnTCI Fund Management | +23.6% 17.3M | held 17.6M | -5.54% 16.6M | held 16.8M |
| Dan LoebThird Point | -47.5% 315K | +27.0% 400K | +175% 1.1M | -15.9% 925K |
| David RolfeWedgewood Partners | +18.3% 77K | held 77K | +3.40% 79K | -2.16% 77K |
| David ShawD.E. Shaw & Co | -8.70% 5.9M | -23.2% 4.6M | +81.5% 8.3M | held 8.1M |
| David TepperAppaloosa Management | -47.4% 510K | held 500K | -7.50% 463K | +8.11% 500K |
| Francois RochonGiverny Capital | -15.6% 2K | +15.9% 2K | -26.1% 2K | held 2K |
| Glenn GreenbergBrave Warrior Advisors | held 1K | -58.8% 525 | held 525 | held 525 |
| John ArmitageEgerton Capital | -24.4% 1.3M | +38.8% 1.8M | held 1.8M | -3.43% 1.7M |
| Ken GriffinCitadel Advisors | -33.1% 18.9M | +4.29% 19.8M | +26.4% 25.0M | -7.53% 23.1M |
| Leon CoopermanOmega Advisors | — | — | — | — |
| Ray DalioBridgewater Associates | +21.3% 809K | +112% 1.7M | -36.0% 1.1M | -10.3% 984K |
| Robert VinallRV Capital | held 12K | held 12K | held 12K | held 12K |
| Stanley DruckenmillerDuquesne Family Office | — | NEW 201K shares | SOLD ALL | — |
| Stephen MandelLone Pine Capital | +19.6% 2.0M | -5.38% 1.9M | -34.8% 1.2M | +2.11% 1.2M |
| Steve CohenPoint72 Asset Management | -8.81% 1.6M | +64.2% 2.6M | +12.4% 2.9M | -24.2% 2.2M |
| Thomas RussoGardner Russo & Quinn | -6.76% 5K | -8.23% 4K | -17.3% 4K | +5.71% 4K |
| Tom GaynerMarkel Group | held 523K | held 527K | held 532K | held 536K |
| Wallace WeitzWeitz Investment Management | +193% 134K | -3.72% 129K | +18.9% 154K | -5.20% 146K |
| William Von MuefflingCantillon Capital Management | -3.00% 1.3M | -2.82% 1.3M | held 1.3M | held 1.3M |