MGE Energy, Inc.
US ˙ NasdaqGS ˙ US55277P1049

SecurityMGEE / MGE Energy, Inc.
InstitutionGAMMA Investing LLC
Latest Disclosed Ownership4,382 shares
Latest Disclosed Value $ 338,685
GAMMA Investing LLC reports 6.64% increase in ownership of MGEE / MGE Energy, Inc.

On April 6, 2026 - GAMMA Investing LLC filed a 13F-HR form disclosing ownership of 4,382 shares of MGE Energy, Inc. (US:MGEE) valued at $338,685 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 5, 2026 disclosing 4,109 shares of MGE Energy, Inc.. This represents a change in shares of 6.64% during the quarter. The current value of the position is $331,542 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-06 2026-03-31 13F MGE ENERGY INC COM Common Stock 55277P104 4,382 273 6.64 339 4.97 0.0158
2026-01-05 2025-12-31 13F MGE ENERGY INC COM Common Stock 55277P104 4,109 72 1.78 322 -5.01 0.0162
2025-10-02 2025-09-30 13F MGE ENERGY INC COM Common Stock 55277P104 4,037 -559 -12.16 340 -16.50 0.0187
2025-07-14 2025-06-30 13F MGE ENERGY INC COM Common Stock 55277P104 4,596 -312 -6.36 406 -10.96 0.0257
2025-04-15 2025-03-31 13F/A-1 MGE ENERGY INC COM Common Stock 55277P104 4,908 251 5.39 456 4.35 0.0342
2025-04-07 2025-03-31 13F MGE ENERGY INC COM Common Stock 55277P104 456,248 451,591 5 0.0262
2025-01-03 2024-12-31 13F MGE ENERGY INC COM Common Stock 55277P104 4,657 3,084 196.06 438 205.59 0.0373
2024-10-04 2024-09-30 13F MGE ENERGY INC COM Common Stock 55277P104 1,573 901 144 0.0143
2024-10-07 2024-09-30 13F MGE ENERGY INC COM Common Stock 55277P104 1,573 901 134.08 144 186.00 0.0143
2024-07-02 2024-06-30 13F MGE ENERGY INC COM Common Stock 55277P104 672 477 244.62 50 233.33 0.0068
2024-04-05 2024-03-31 13F MGE ENERGY INC COM Common Stock 55277P104 195 -107 -35.43 15 -21.05 0.0031
2024-02-01 2023-12-31 13F MGE ENERGY INC COM Common Stock 55277P104 302 302 19 0.0053
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.