$MGEE

$73.45 -$0.72 (0.97%) Close

$MGEE Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 37.8M shares outstanding

Who owns MGEE?

By type of holder

Institutions 70.0% Insiders 0.4% Everyone else 29.6%

Concentration Top 10 holders own 44.8%

BlackRock, Inc. 16.1% · Vanguard Portfolio Management LLC 7.4%

Institutional ownership

70.0%

+12.4 pts vs last qtr

Institutional holders

334

+18 vs last qtr

Net shares bought

+4.7M

by institutions in Q2 2026

New / sold out

56 / 38

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Zimmer Partners, LP NEW +1.0M
BlackRock, Inc. +634.2K

Biggest sellers in Q2 2026

Silvercrest Asset Management Group LLC −213.4K
Jane Street Group, LLC SOLD OUT −80.2K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for MGE Energy, Inc. in the last 12 months.

Is your stake being diluted?

Diluted share count, FY2019–FY2025

+5.5%

+0.89% a year

Each share's claim on the business

−5.2%

shrank without buying or selling a share

Diluted shares, split-adjusted

How patient are the owners?

Institutional shares by how long they've been held

5+ years75% 3–5 years2% 1–3 years10% Under 1 year13%

Quarterly turnover

15.6%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting MGEE on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	6.1M	16.13%	+634.2K (+11.6%)	≤2021	0.0%
Shares held by quarter Peak holding6.1M (Q2'26) Change over 8 quarters+262.5K Share of the company16.130% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	2.8M	7.39%	+130.7K (+4.9%)	≤2021	0.0%
Shares held by quarter Peak holding2.8M (Q2'26) Change over 8 quarters+2.8M Share of the company7.390% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

6.1M

% of company

16.13%

Change vs last qtr

+634.2K (+11.6%)

Held since

≤2021

Vanguard Portfolio Management LLC

2.8M

% of company

7.39%

Change vs last qtr

+130.7K (+4.9%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding MGE Energy, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting MGEE on Form N-PORT; together they hold 39.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Small-Cap ETF iShares Trust	$185M	2.3M	6.02%	0.17%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$98M	1.2M	3.18%	0.00%	June 30, 2026

iShares Core S&P Small-Cap ETF

iShares Trust

Position value

$185M

% of company

6.02%

% of the fund

0.17%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$98M

% of company

3.18%

% of the fund

0.00%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding MGE Energy, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
BJ Bushek Jared Joseph Insider	35.8K	0.09%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.090% Bushek Jared Joseph's insider activity →
KJ Keebler Jeffrey M Insider	31.9K	0.08%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.080% Keebler Jeffrey M's insider activity →

Bushek Jared Joseph

Insider

35.8K

% of company

0.09%

Change vs last qtr

—

Held since

—

Keebler Jeffrey M

Insider

31.9K

% of company

0.08%

Change vs last qtr

—

Held since

—

16 more holders behind a free account

See every insider and 5%+ holder of MGE Energy, Inc..

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