MGE Energy, Inc. (MGEE) Ownership

NASDAQ: MGEETop holders, insider trades and short interest.

MGEE ownership summary

as of October 18, 2026
Institutions
70.4%
of shares outstanding
Insiders
0.33%
of shares outstanding
Shares outstanding
37.7M
Float
37.7M
shares available to trade
Short interest
5.84%
1.6M shares short
Days to cover
8.03
short interest down 8.1% vs prior month
  • Institutions 70.36%
  • Insiders 0.33%
  • Other investors 29.31%

MGEE top institutional holders

20 largest
MGE Energy, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc16.13%6.1M$440.4M+634,206 (+11.6%)June 30, 2026
2Vanguard Portfolio Management, LLC7.39%2.8M$201.9M+130,707 (+4.9%)June 30, 2026
3State Street Corp5.43%2.0M$148.1M+131,136 (+6.8%)June 30, 2026
4Vanguard Capital Management, LLC4.51%1.7M$123.1M+61,669 (+3.8%)June 30, 2026
5Geode Capital Management, LLC2.66%1.0M$72.6M+79,287 (+8.6%)June 30, 2026
6Zimmer Partners LP2.65%1.0M$72.3M+1.0M (0.0%)June 30, 2026
7Dimensional Fund Advisors, Inc.1.86%701K$50.7M+16,702 (+2.4%)June 30, 2026
8Morgan Stanley - Brokerage Accounts1.44%545K$39.4M+239,075 (+78.0%)June 30, 2026
9Westwood Holdings Group Inc1.40%531K$38.3M+530,621 (0.0%)June 30, 2026
10Gabelli Funds LLC1.36%514K$37.1M+242,500 (+89.4%)June 30, 2026
11Two Sigma Investments LLC1.29%487K$35.2M+317,887 (+188.0%)June 30, 2026
12First Trust Advisors L.P.1.18%447K$32.3M+575 (+0.1%)June 30, 2026
13Charles Schwab Investment Management Inc1.15%435K$31.4M+16,411 (+3.9%)June 30, 2026
14Northern Trust Corp1.04%395K$28.5M+33,731 (+9.3%)June 30, 2026
15Nuveen, LLC0.89%338K$24.4M+152,235 (+82.1%)June 30, 2026
16Bank of New York Mellon Corp0.88%332K$24.0M+11,778 (+3.7%)June 30, 2026
17Qube Research & Technologies0.87%330K$23.8M−327 (−0.1%)June 30, 2026
18AQR Capital Management LLC0.79%300K$21.7M+266,075 (+777.6%)June 30, 2026
19Vanguard Fiduciary Trust Co0.66%250K$18.1M+3,590 (+1.5%)June 30, 2026
20Speece Thorson Capital Group Inc0.61%229K$16.5M+39,132 (+20.6%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 19 holders added 3.9M shares and 1 cut 327.

MGEE top mutual fund and ETF holders

20 largest
MGE Energy, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Small-Cap ETF5.95%2.2M$162.6M+528 (+0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest3.20%1.2M$87.3M−2,586 (−0.2%)August 31, 2026
3iShares Russell 2000 ETF2.60%981K$70.9M−11,328 (−1.1%)September 30, 2026
4Vanguard Small Cap Index2.25%849K$61.3M−21,060 (−2.4%)September 30, 2026
5Vanguard MStar Small Cap Value Index1.46%553K$40.0M+1,856 (+0.3%)September 30, 2026
6First Trust Value Line® Dividend ETF1.18%445K$32.1M—September 30, 2026
7Fidelity Small Cap Index1.09%411K$29.7M+3,100 (+0.8%)July 31, 2026
8Gabelli Utilities AAA0.99%376K$27.1M+190,000 (+102.4%)June 30, 2026
9iShares Russell 2000 Value ETF0.95%358K$25.9M+542 (+0.2%)September 30, 2026
10State Street SPDR Port S&P 600 Sm CpETF0.92%346K$25.0M—September 30, 2026
11State Street® SPDR® S&P® Dividend ETF0.90%338K$24.4M—September 30, 2026
12American Beacon Small Cp Val R50.81%307K$22.2M+44,214 (+16.8%)August 31, 2026
13Vanguard Utilities ETF0.69%259K$18.7M−614 (−0.2%)September 30, 2026
14Vanguard Tax-Managed Small Cap Adm0.63%237K$17.2M—September 30, 2026
15Vanguard Russell 2000 ETF0.59%225K$16.2M+8,315 (+3.8%)September 30, 2026
16Vanguard Dividend Appreciation ETF0.57%214K$15.4M+153 (+0.1%)September 30, 2026
17Westwood Quality SmallCap Fund Inst0.53%202K$14.6M+71,472 (+54.9%)September 30, 2026
18Schwab US Small-Cap ETF™0.53%199K$14.4M+126 (+0.1%)September 30, 2026
19Fidelity Extended Market Index0.49%186K$13.4M−2,149 (−1.1%)August 31, 2026
20iShares S&P Small-Cap 600 Growth ETF0.46%175K$12.7M—September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

MGEE insider transactions

latest 3
MGE Energy, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-11James G BerbeeBuy$77.74373$28,997
2025-09-08James G BerbeeBuy$83.75254$21,272
2025-08-15James G BerbeeBuy$83.83507$42,502

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

MGEE shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns MGEE

Institutional investors own 70.4% of MGE Energy's shares and insiders 0.33%. The largest holder is BlackRock Inc with 16.13% of the shares (6.1M), as of June 30, 2026. Among the top 20 institutions, 19 added shares and 1 reduced their stake in the latest filings. Short interest is 5.84% of the float, or 8.03 days of average trading volume. The share count rose 5.5% since 2014.

Related: MGEE analyst forecast, MGEE key metrics, MGEE dividend history. See the MGEE stock overview for the latest quote and news.

MGEE ownership FAQ

Who owns the most MGE Energy stock?

The largest shareholders of MGE Energy are BlackRock Inc (16.13%), Vanguard Portfolio Management, LLC (7.39%), State Street Corp (5.43%), Vanguard Capital Management, LLC (4.51%), Geode Capital Management, LLC (2.66%).

What percentage of MGE Energy is owned by institutions?

Institutions hold 70.4% of MGE Energy's shares outstanding; insiders hold 0.33%.

Which funds own MGE Energy?

The largest fund holders of MGE Energy are iShares Core S&P Small-Cap ETF (5.95%), Vanguard MStar Total Stk Mkt Idx Invest (3.20%), iShares Russell 2000 ETF (2.60%), Vanguard Small Cap Index (2.25%), Vanguard MStar Small Cap Value Index (1.46%).

What is MGE Energy's short interest?

1.6M shares of MGE Energy were sold short, 5.84% of the float; at the average daily volume it would take 8.03 days to cover.

Are insiders buying or selling MGE Energy?

Of the latest 3 reported insider transactions in MGE Energy (since August 15, 2025), 3 were purchases and 0 were sales.

How many shares of MGE Energy are outstanding?

MGE Energy has 37.7M shares outstanding, of which 37.7M are in the public float.

Utilities - Regulated Electric: ownership