Mge Energy, Inc.
A holding company whose main arm, Madison Gas and Electric, supplies electricity and natural gas to homes and businesses across south-central Wisconsin. It was born from an 1896 merger of Madison's early gas-light provider, founded in 1855, with the city's upstart electric-power company. The heritage powerhouse building that once generated the city's electricity is listed on the National Register of Historic Places.
| Holder | Schedule | % of class | Shares | Filed |
|---|---|---|---|---|
| Vanguard Capital Management | 13GPassive | 5.29% | 1.94M | Apr 30, 2026 |
| Vanguard Portfolio Management | 13GPassive | 7.34% | 2.69M | Apr 29, 2026 |
| The Vanguard Group | 13G/APassive | 0% | 0 | Mar 27, 2026 |
| BlackRock, Inc. | 13G/APassive | 15.4% | 5.62M | Oct 17, 2025 |
| STATE STREET CORPORATION | 13GPassive | 5.4% | 1.96M | May 13, 2025 |