MGE Energy, Inc (MGEE)
Nasdaq: MGEE · Electric, Gas & Sanitary Services · Madison, WI · filing with the SEC since 2001
Who owns MGE Energy, Inc
As filed with the SECHolders of 5% or more
4
Blackrock, Inc. holds 15.4% of Common Stock, as its SCHEDULE 13G/A filed Oct 17, 2025 says.
Directors and officers
18
report now, of 25 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 17, 2025 · Common Stock
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
State Street Corporation
SCHEDULE 13G · filed May 13, 2025 · COMMON STOCK
Vanguard Capital Management
SCHEDULE 13G · filed Apr 30, 2026 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What MGEE reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Cwdc
An entity · legal entity · owns, named in the 10-K filed Feb 24, 2026
Magael
An entity · legal entity · owns, named in the 10-K filed Feb 24, 2026
Mge
An entity · legal entity · owns, named in the 10-K filed Feb 24, 2026
MGE Power Elm Road
An entity · legal entity · owns, named in the 10-K filed Feb 24, 2026
MGE Power West Campus
An entity · legal entity · owns, named in the 10-K filed Feb 24, 2026
MGE Transco
An entity · legal entity · owns, named in the 10-K filed Feb 24, 2026
MGEE Transco
An entity · legal entity · owns, named in the 10-K filed Feb 24, 2026
Atc
An investee · investee · invested in, named in the 10-K filed Feb 24, 2026
Insider tradesForm 4
0sales
4purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 25 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Berbee James G | director | 0 | $0 | 0 | 4 | $100,000 |