Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MGEE held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.5M | $422.0M | -4.5% | 14.855% | 0.01% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.7M | $205.8M | — | 7.246% | 0.01% |
| 3 | STATE STREET CORP | 1.9M | $148.3M | +1.4% | 5.221% | 0.01% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 1.6M | $126.8M | — | 4.465% | 0.00% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 926K | $71.6M | +0.4% | 2.519% | 0.00% |
| 6 | DIMENSIONAL FUND ADVISORS LP | 684K | $52.9M | -0.4% | 1.862% | 0.01% |
| 7 | FIRST TRUST ADVISORS LP | 447K | $34.5M | -2.0% | 1.216% | 0.02% |
| 8 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 418K | $32.3M | -0.8% | 1.138% | 0.00% |
| 9 | NORTHERN TRUST CORP | 361K | $27.9M | +2.5% | 0.982% | 0.00% |
| 10 | Qube Research & Technologies Ltd | 330K | $25.5M | +25.2% | 0.898% | 0.03% |
| 11 | Bank of New York Mellon Corp | 320K | $24.8M | +0.5% | 0.872% | 0.00% |
| 12 | MORGAN STANLEY | 306K | $23.7M | -6.8% | 0.834% | 0.00% |
| 13 | DEPRINCE RACE & ZOLLO INC | 277K | $21.4M | — | 0.754% | 0.40% |
| 14 | GABELLI FUNDS LLC | 271K | $21.0M | 0.0% | 0.738% | 0.14% |
| 15 | VANGUARD FIDUCIARY TRUST CO | 246K | $19.0M | — | 0.670% | 0.00% |
| 16 | GOLDMAN SACHS GROUP INC | 226K | $17.5M | +4.8% | 0.616% | 0.00% |
| 17 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 221K | $17.1M | -14.6% | 0.602% | 0.12% |
| 18 | Nuveen, LLC | 185K | $14.3M | +16.3% | 0.505% | 0.00% |
| 19 | Legal & General Group Plc | 183K | $14.1M | -9.4% | 0.497% | 0.00% |
| 20 | PRINCIPAL FINANCIAL GROUP INC | 178K | $13.8M | +2.1% | 0.485% | 0.01% |
| 21 | MILLENNIUM MANAGEMENT LLC | 170K | $13.1M | +156.2% | 0.462% | 0.01% |
| 22 | TWO SIGMA INVESTMENTS, LP | 169K | $13.1M | +101.8% | 0.460% | 0.01% |
| 23 | TUDOR INVESTMENT CORP ET AL | 160K | $12.3M | +51.9% | 0.434% | 0.04% |
| 24 | VICTORY CAPITAL MANAGEMENT INC | 134K | $10.4M | -81.4% | 0.366% | 0.01% |
| 25 | PUBLIC SECTOR PENSION INVESTMENT BOARD | 131K | $10.1M | +3.4% | 0.356% | 0.03% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in MGEE — a direct measure of their conviction.
Filings activity in MGEE during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 313 | +2.0% | 57.56% | 1.42 pp | $1.64B | 2.4% |
| Q4 2025 | 307 | +3.7% | 58.98% | 4.24 pp | $1.68B | 6.7% |
| Q3 2025 | 296 | +1.7% | 63.22% | 3.02 pp | $1.80B | 4.6% |
| Q2 2025 | 291 | +0.3% | 66.24% | 2.09 pp | $1.89B | 3.1% |
| Q1 2025 | 290 | +1.8% | 68.33% | 1.89 pp | $1.95B | 2.7% |
| Q4 2024 | 285 | +8.8% | 70.22% | +4.06 pp | $2.00B | +6.1% |
| Q3 2024 | 262 | +3.1% | 66.16% | +10.86 pp | $1.89B | +20% |
| Q2 2024 | 254 | — | 55.30% | — | $1.58B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MGEE stock.
Based on Q1 2026 13F filings, institutional ownership of MGE Energy, Inc. stands at 57.6%, held across 313 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of MGEE, with approximately 5,459,694 shares worth $0.42B as of Q1 2026.
Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of MGEE, including MILLENNIUM MANAGEMENT LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for MGEE is 46 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
49 institutions opened new positions in MGEE during Q1 2026, while 43 fully exited. 86 added to existing positions and 177 trimmed.
MGEE institutional ownership fell by 1.42 percentage points quarter-over-quarter, with a net change of +6 holders.
The top 10 institutions account for 69.9% of all reported 13F value in MGEE, and the top 25 account for 84.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
MGE Energy, Inc. (MGEE) Institutional Ownership