MGE Energy Inc.

Historical 13F Holders

Symbol
MGEE
CUSIP
55277P104
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 55277P104 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 15.4% 10/17/2025
Event 9/30/2025
Vanguard Portfolio Management LLC 13G 7.3% 4/29/2026
Event 3/31/2026
State Street Corp 13G 5.4% 5/13/2025
Event 3/31/2025
Vanguard Capital Management LLC 13G 5.3% 4/30/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Vanguard Group Inc 13G/A 0% 3/27/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 26 108 k $7.50 M
2026 Q2 341 30.0 M $2.20 B
2026 Q1 321 21.8 M $1.68 B
2025 Q4 316 21.8 M $1.71 B
2025 Q3 307 22.0 M $1.85 B
2025 Q2 299 22.4 M $1.98 B
2025 Q1 299 22.5 M $2.09 B
2024 Q4 299 22.8 M $2.14 B
2024 Q3 269 22.2 M $2.03 B
2024 Q2 262 22.5 M $1.68 B
2024 Q1 231 23.9 M $1.88 B
2023 Q4 232 19.9 M $1.44 B
2023 Q3 204 19.2 M $1.32 B
2023 Q2 201 19.6 M $1.55 B
2023 Q1 214 18.7 M $1.45 B
2022 Q4 205 19.3 M $1.36 B
2022 Q3 201 18.4 M $1.21 B
2022 Q2 207 18.3 M $1.43 B
2022 Q1 198 18.5 M $1.47 B
2021 Q4 187 18.3 M $1.50 B
2021 Q3 183 18.1 M $1.33 B
2021 Q2 174 18.0 M $1.34 B
2021 Q1 184 17.9 M $1.28 B
2020 Q4 179 18.3 M $1.28 B
2020 Q3 173 17.1 M $1.07 B
2020 Q2 168 16.9 M $1.09 B
2020 Q1 183 16.1 M $1.05 B
2019 Q4 189 16.3 M $1.29 B
2019 Q3 169 15.8 M $1.26 B
2019 Q2 174 15.3 M $1.12 B
2019 Q1 161 14.9 M $1.01 B
2018 Q4 160 14.7 M $879 M
2018 Q3 157 14.4 M $953 M
2018 Q2 155 14.0 M $885 M
2018 Q1 154 13.9 M $782 M
2017 Q4 156 13.6 M $855 M
2017 Q3 146 13.3 M $858 M
2017 Q2 157 12.9 M $831 M
2017 Q1 160 13.3 M $863 M
2016 Q4 173 13.1 M $857 M
2016 Q3 165 12.7 M $716 M
2016 Q2 168 12.4 M $703 M
2016 Q1 152 12.5 M $651 M
2015 Q4 137 12.1 M $664 M
2015 Q3 128 11.7 M $480 M
2015 Q2 125 11.4 M $440 M
2015 Q1 124 11.2 M $498 M
2014 Q4 122 11.1 M $506 M
2014 Q3 126 11.2 M $417 M
2014 Q2 131 12.1 M $478 M
2014 Q1 125 11.5 M $452 M