The largest holder of WEC Energy stock is BlackRock Advisors LLC, with 27.9 million shares (8.55% of the company), worth about $2.96 billion as of September 25, 2026. The 10 largest holders together own 40.5%.
In Q2 2026, 1,441 institutional holdings reports listed 325.0 million shares worth $33.10 billion, up 16.5% in shares from Q1 2026.
Insiders reported 83 transactions in the last two years: 20 sales worth $27.94 million and no purchases. The newest one on file is from February 24, 2026 (Payne Ulice Jr., Director).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through February 24, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Advisors LLC | 27.9 million | 8.55% | $3.0B |
| Vanguard Capital Management LLC | 21.3 million | 6.52% | $2.3B |
| State Street Corporation | 21.1 million | 6.47% | $2.2B |
| Vanguard Portfolio Management LLC | 16.9 million | 5.18% | $1.8B |
| Wells Fargo Bank NA | 9.6 million | 2.96% | $1.0B |
| Geode Capital Management LLC | 9.2 million | 2.84% | $981.0M |
| Merrill Lynch International | 8.6 million | 2.64% | $914.0M |
| DWS Investment Management Americas, Inc. | 6.1 million | 1.86% | $643.0M |
| Ameriprise Financial Services LLC | 5.8 million | 1.79% | $618.0M |
| RBC Private Counsel (USA), Inc. | 5.4 million | 1.66% | $574.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 1,441 | 325.0 million | $33.1B |
| Q1 2026 | 1,420 | 279.0 million | $32.3B |
| Q4 2025 | 1,387 | 273.0 million | $28.8B |
| Q3 2025 | 1,339 | 275.0 million | $31.3B |
| Q2 2025 | 1,301 | 269.0 million | $27.7B |
| Q1 2025 | 1,307 | 261.0 million | $28.4B |
| Q4 2024 | 1,227 | 261.0 million | $24.5B |
| Q3 2024 | 1,167 | 285.0 million | $24.9B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Payne Ulice Jr. | Feb 24, 2026 | Director | Sale at price 114.60 per share. | $166,166 |
| Klappa Gale E | Feb 23, 2026 | Director | Sale at price 115.44 per share. | $367,099 |
| Klappa Gale E | Feb 23, 2026 | Director | Conversion of Exercise of derivative security at price 68.18 per share. | $216,796 |
| Klappa Gale E | Feb 17, 2026 | Director | Sale at price 115.38 - 116.55 per share. | $3.5M |
| Klappa Gale E | Feb 17, 2026 | Director | Conversion of Exercise of derivative security at price 68.18 per share. | $2.0M |
| Straka Mary Beth | Feb 13, 2026 | Officer | Sale at price 115.50 per share. | $325,131 |
| Straka Mary Beth | Feb 13, 2026 | Officer | Conversion of Exercise of derivative security at price 66.02 per share. | $185,832 |
| Lauber Scott J | Feb 9, 2026 | Chief Executive Officer | Sale at price 110.70 per share. | $895,462 |
| Lauber Scott J | Feb 9, 2026 | Chief Executive Officer | Conversion of Exercise of derivative security at price 58.30 per share. | $471,629 |
| Krueger Daniel P | Jan 2, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Reese Anthony | Jan 2, 2026 | Officer and Treasurer | Stock Award(Grant) at price 0.00 per share. | – |
| Hooper Michael | Jan 2, 2026 | Chief Operating Officer | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 83 insider transactions in the last two years.
BlackRock Advisors LLC, with 8.55% of the company (as of September 25, 2026). Next: Vanguard Capital Management LLC (6.52%) and State Street Corporation (6.47%).
1,441 institutional holdings reports listed WEC Energy shares in Q2 2026, 325.0 million shares in all worth $33.10 billion.
In the last two years insiders reported 20 sales and no purchases (83 transactions in all); the newest on file is from February 24, 2026.