Mge Energy Inc
MGEE- Exchange
- Nasdaq
- Industry
- Electric, Gas & Sanitary Services
- SEC CIK
- 0001161728
In the last 90 days, Mge Energy Inc insiders filed 2 open-market purchases and 0 sales; 337 institutions reported holding it in 13F filings for Q2 2026, worth $2.16B in total; Soros Fund Management is the only superinvestor holding it.
Holders of 5% or more of MGEE
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Mge Energy Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 15.40%5.62M shares | – | Oct 17, 20251 filing | Oct 17, 2025 | SEC |
| Vanguard Portfolio Management LLC | 13G | 7.34%2.69M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| State Street Corp | 13G | 5.40%1.96M shares | New | May 13, 20251 filing | May 13, 2025 | SEC |
| Vanguard Capital Management LLC | 13G | 5.29%1.94M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
5 Schedule 13D and 13G filings on Mge Energy Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 30, 202611:31 AM ET | Vanguard Capital Management LLC | 13G | 5.29%1.94M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 20262:18 PM ET | Vanguard Portfolio Management LLC | 13G | 7.34%2.69M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 202610:50 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Oct 17, 20256:13 PM ET | BlackRock, Inc. | 13G/A | 15.40%5.62M shares | – | Sep 30, 2025 | SEC |
| May 13, 202511:43 AM ET | State Street Corp | 13G | 5.40%1.96M shares | New | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Mge Energy Inc shares.
No Form 144 notices for Mge Energy Inc are on file.