MADISON, WI
MGE ENERGY INCMGEE— Latest position per institution from SEC 13F filings
15
Institutional holders
30.40M
Total shares held
2.42B
Estimated value
1.52M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
6.09M
Value
496.90M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
5.79M
Value
432.94M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
4.55M
Value
356.90M
Filed
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
2.79M
Value
227.81M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.05M
Value
167.14M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
1.70M
Value
138.84M
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.01M
Value
81.97M
Filed
Jun 30, 2026
ZIMMER PARTNERS, LP
CIK 1565854
Shares
1M
Value
81.54M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
700.97K
Value
57.15M
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
545.47K
Value
44.48M
Filed
Jun 30, 2026
WESTWOOD HOLDINGS GROUP INC
CIK 1165002
Shares
530.62K
Value
43.27M
Filed
Jun 30, 2026
GABELLI FUNDS LLC
CIK 1081407
Shares
513.70K
Value
41.89M
Filed
Jun 30, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
486.96K
Value
39.71M
Filed
Jun 30, 2026
FIRST TRUST ADVISORS LP
CIK 1125816
Shares
447.44K
Value
36.48M
Filed
Jun 30, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 884546
Shares
434.56K
Value
35.43M
Filed
Jun 30, 2026
NORTHERN TRUST CORP
CIK 73124
Shares
394.58K
Value
32.17M
Filed
Jun 30, 2026
DEPRINCE RACE & ZOLLO INC
CIK 1008894
Shares
350.90K
Value
28.61M
Filed
Jun 30, 2026
NUVEEN, LLC
CIK 1871926
Shares
337.69K
Value
27.54M
Filed
Jun 30, 2026
BANK OF NEW YORK MELLON CORP
CIK 1390777
Shares
332.19K
Value
27.09M
Filed
Jun 30, 2026
QUBE RESEARCH & TECHNOLOGIES LTD
CIK 1729829
Shares
329.71K
Value
26.88M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 6.09M | 496.90M | Jun 30, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 5.79M | 432.94M | Jun 30, 2024 |
| 3 | VANGUARD GROUP INC | 102909 | 4.55M | 356.90M | Dec 31, 2025 |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 2.79M | 227.81M | Jun 30, 2026 |
| 5 | STATE STREET CORP | 93751 | 2.05M | 167.14M | Jun 30, 2026 |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 1.70M | 138.84M | Jun 30, 2026 |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.01M | 81.97M | Jun 30, 2026 |
| 8 | ZIMMER PARTNERS, LP | 1565854 | 1M | 81.54M | Jun 30, 2026 |
| 9 | DIMENSIONAL FUND ADVISORS LP | 354204 | 700.97K | 57.15M | Jun 30, 2026 |
| 10 | MORGAN STANLEY | 895421 | 545.47K | 44.48M | Jun 30, 2026 |
| 11 | WESTWOOD HOLDINGS GROUP INC | 1165002 | 530.62K | 43.27M | Jun 30, 2026 |
| 12 | GABELLI FUNDS LLC | 1081407 | 513.70K | 41.89M | Jun 30, 2026 |
| 13 | TWO SIGMA INVESTMENTS, LP | 1179392 | 486.96K | 39.71M | Jun 30, 2026 |
| 14 | FIRST TRUST ADVISORS LP | 1125816 | 447.44K | 36.48M | Jun 30, 2026 |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884546 | 434.56K | 35.43M | Jun 30, 2026 |
| 16 | NORTHERN TRUST CORP | 73124 | 394.58K | 32.17M | Jun 30, 2026 |
| 17 | DEPRINCE RACE & ZOLLO INC | 1008894 | 350.90K | 28.61M | Jun 30, 2026 |
| 18 | NUVEEN, LLC | 1871926 | 337.69K | 27.54M | Jun 30, 2026 |
| 19 | BANK OF NEW YORK MELLON CORP | 1390777 | 332.19K | 27.09M | Jun 30, 2026 |
| 20 | QUBE RESEARCH & TECHNOLOGIES LTD | 1729829 | 329.71K | 26.88M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.