Security Snapshot

MGE ENERGY INC - Common Stock (MGEE) Institutional Ownership

CUSIP: 55277P104

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

312

Shares (Excl. Options)

21,763,460

Price

$78.42

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Type / Class
Equity / Common Stock
Symbol
MGEE on Nasdaq
Shares outstanding
36,469,078
Price per share
$77.29
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
21,763,460
Total reported value
$1,706,812,917
% of total 13F portfolios
0%
Share change
-132,246
Value change
-$11,082,446
Number of holders
312
Price from insider filings
$77.29
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • MGEE - MGE ENERGY INC - Common Stock is tracked under CUSIP 55277P104.
  • 312 institutions reported positions in Q4 2025.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 312 to 68 between Q4 2025 and Q1 2026.
  • Reported value moved from $1,706,812,917 to $54,893,355.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 312 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 55277P104?
CUSIP 55277P104 identifies MGEE - MGE ENERGY INC - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of MGE ENERGY INC - Common Stock (MGEE) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 15% $472,774,915 5,616,238 BlackRock, Inc. 30 Sep 2025
STATE STREET CORP 5.4% $176,857,306 1,963,772 STATE STREET CORPORATION 31 Mar 2025

As of 31 Dec 2025, 312 institutional investors reported holding 21,763,460 shares of MGE ENERGY INC - Common Stock (MGEE). This represents 60% of the company’s total 36,469,078 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of MGE ENERGY INC - Common Stock (MGEE) together control 51% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 16% 5,719,942 +1.1% 0.01% $448,557,843
VANGUARD GROUP INC 12% 4,551,130 -0.08% 0.01% $356,899,615
STATE STREET CORP 5.2% 1,893,153 -1.6% 0% $148,461,058
GEODE CAPITAL MANAGEMENT, LLC 2.5% 921,952 +0.4% 0% $72,315,309
VICTORY CAPITAL MANAGEMENT INC 2% 722,349 -3.9% 0.03% $56,646,608
DIMENSIONAL FUND ADVISORS LP 1.9% 687,309 -2.6% 0.01% $53,899,334
FIRST TRUST ADVISORS LP 1.3% 455,942 -11% 0.03% $35,754,975
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.2% 421,487 -1.3% 0.01% $33,053,011
NORTHERN TRUST CORP 0.97% 352,121 -5.5% 0% $27,613,328
MORGAN STANLEY 0.9% 328,610 -2.9% 0% $25,769,662
Bank of New York Mellon Corp 0.87% 318,652 -7% 0% $24,988,707
GABELLI FUNDS LLC 0.74% 271,200 -0.59% 0.14% $21,267,504
Qube Research & Technologies Ltd 0.72% 263,610 +63% 0.03% $20,672,296
SILVERCREST ASSET MANAGEMENT GROUP LLC 0.71% 258,976 -11% 0.14% $20,309,100
GOLDMAN SACHS GROUP INC 0.59% 216,173 +9.6% 0% $16,952,293
Legal & General Group Plc 0.55% 201,525 +0.19% 0% $15,803,592
SPEECE THORSON CAPITAL GROUP INC 0.54% 195,596 +44% 3.3% $15,339,000
PRINCIPAL FINANCIAL GROUP INC 0.48% 174,484 -1.2% 0.01% $13,683,036
Nuveen, LLC 0.44% 159,491 +0.3% 0% $12,507,285
PUBLIC SECTOR PENSION INVESTMENT BOARD 0.35% 126,437 -11% 0.03% $9,915,190
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.3% 109,158 +206% 0.01% $8,560,170
Invesco Ltd. 0.3% 109,089 -8.1% 0% $8,554,760
TUDOR INVESTMENT CORP ET AL 0.29% 105,111 +7.8% 0.05% $8,242,805
UBS Group AG 0.25% 90,149 -37% 0% $7,069,485
RHUMBLINE ADVISERS 0.23% 84,240 -3.7% 0.01% $6,606,084

Institutional Holders of MGE ENERGY INC - Common Stock (MGEE) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 710,103 $54,893,355 +$23,219,111 $77.29 68
2025 Q4 21,763,460 $1,706,812,917 -$11,082,446 $78.42 312
2025 Q3 21,870,063 $1,841,022,690 -$46,560,823 $84.18 302
2025 Q2 22,426,798 $1,983,441,314 -$8,898,887 $88.44 295
2025 Q1 22,512,585 $2,092,736,875 -$28,030,397 $92.96 296
2024 Q4 22,787,399 $2,141,070,731 +$54,380,644 $93.96 294
2024 Q3 22,137,762 $2,024,700,230 +$1,568,465 $91.45 266
2024 Q2 22,159,300 $1,655,808,897 -$71,828,056 $74.72 256
2024 Q1 23,113,298 $1,819,402,470 +$326,434,822 $78.72 226
2023 Q4 18,996,023 $1,373,562,717 -$16,745,796 $72.31 227
2023 Q3 19,231,382 $1,317,597,567 -$23,142,992 $68.51 199
2023 Q2 19,553,845 $1,546,831,358 +$70,805,048 $79.11 197
2023 Q1 18,674,340 $1,450,502,902 +$29,179,119 $77.67 203
2022 Q4 18,315,423 $1,289,392,552 -$4,388,488 $70.40 197
2022 Q3 18,381,072 $1,207,074,173 -$159,696,728 $65.63 194
2022 Q2 18,297,688 $1,424,197,966 -$7,818,156 $77.83 199
2022 Q1 18,436,344 $1,470,385,713 +$21,582,855 $79.79 184
2021 Q4 18,212,426 $1,497,548,052 +$6,531,994 $82.25 178
2021 Q3 18,086,649 $1,329,849,683 +$5,918,998 $73.50 178
2021 Q2 18,041,158 $1,343,015,313 +$12,910,419 $74.44 168
2021 Q1 17,876,419 $1,276,321,616 +$22,114,345 $71.39 175
2020 Q4 17,479,862 $1,224,199,661 +$25,961,119 $70.03 167
2020 Q3 17,104,250 $1,072,034,313 +$11,458,083 $62.66 165
2020 Q2 16,881,300 $1,089,059,295 +$100,509,015 $64.51 162
2020 Q1 15,323,306 $1,003,945,264 -$34,785,383 $65.47 176
2019 Q4 15,828,443 $1,247,495,237 +$3,000,341 $78.82 177
2019 Q3 15,757,850 $1,258,396,207 +$37,413,916 $79.87 162
2019 Q2 15,305,650 $1,118,550,682 +$41,569,131 $73.08 162
2019 Q1 14,885,559 $1,011,918,021 +$40,957,529 $67.97 154
2018 Q4 14,259,266 $854,973,561 +$338,921 $59.96 156
2018 Q3 14,226,430 $908,326,768 +$16,057,930 $63.85 151
2018 Q2 13,970,963 $880,789,392 +$11,368,089 $63.05 152
2018 Q1 13,796,106 $774,073,166 +$12,498,618 $56.10 152
2017 Q4 13,550,842 $855,076,655 +$16,526,119 $63.10 149
2017 Q3 13,286,071 $858,379,591 +$23,972,470 $64.60 144
2017 Q2 12,916,803 $831,336,665 -$14,470,436 $64.35 153
2017 Q1 13,138,502 $853,996,110 +$151,408,853 $65.00 154
2016 Q4 12,985,497 $847,787,073 +$25,158,726 $65.30 166
2016 Q3 12,663,052 $715,523,700 +$13,741,761 $56.51 160
2016 Q2 12,425,954 $702,222,928 -$1,790,485 $56.51 159
2016 Q1 12,452,698 $650,561,000 +$18,296,268 $52.25 144
2015 Q4 12,122,260 $562,480,298 +$21,107,522 $46.40 130
2015 Q3 11,655,022 $479,873,067 +$12,479,738 $41.19 126
2015 Q2 11,358,501 $439,906,349 +$3,852,712 $38.73 123
2015 Q1 11,234,550 $498,107,059 +$6,791,605 $44.32 123
2014 Q4 11,083,160 $505,617,812 -$2,111,760 $45.61 120
2014 Q3 11,189,070 $416,960,699 -$5,792,588 $37.26 123
2014 Q2 11,340,018 $448,003,184 -$5,842,612 $39.51 125
2014 Q1 11,486,365 $450,649,025 +$150,862,757 $39.23 120
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