Dimensional Fund Advisors Increases Stake in WEC Energy Group

Institutional investor adds over 30,000 shares to its WEC Energy Group holdings

Published on Mar. 11, 2026

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Dimensional Fund Advisors LP, a major institutional investor, increased its stake in WEC Energy Group, Inc. (NYSE:WEC) by 2.6% during the 3rd quarter, according to the company's recent 13F filing with the SEC. Dimensional Fund Advisors now owns 1,217,003 shares of the utilities provider's stock, worth approximately $139.5 million.

Why it matters

WEC Energy Group is a major utility company serving customers in Wisconsin and Illinois. The increase in Dimensional Fund Advisors' stake suggests the firm sees long-term value in WEC's business and growth prospects, even as the stock has faced some volatility.

The details

Dimensional Fund Advisors added 30,280 shares to its WEC Energy Group position during the 3rd quarter, bringing its total ownership to 1,217,003 shares or 0.37% of the company. Other major institutional investors in WEC include Vanguard Group, Balyasny Asset Management, and Marshall Wace. Insider transactions have also shown some selling activity, with several directors and the CEO reducing their holdings in recent months.

  • Dimensional Fund Advisors increased its stake in WEC Energy Group during the 3rd quarter of 2026.
  • The 13F filing disclosing Dimensional's increased stake was published on March 11, 2026.

The players

Dimensional Fund Advisors LP

A major institutional investor and asset management firm that owns a 0.37% stake in WEC Energy Group.

WEC Energy Group, Inc.

A Milwaukee-based regulated utility company that provides electricity and natural gas services to customers in Wisconsin and Illinois.

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What they’re saying

“We must not let individuals continue to damage private property in San Francisco.”

— Robert Jenkins, San Francisco resident (San Francisco Chronicle)

The takeaway

Dimensional Fund Advisors' increased stake in WEC Energy Group suggests the firm sees long-term value in the utility company, even as some insider selling and stock volatility have occurred. This highlights the ongoing interest from major institutional investors in WEC's business and growth prospects.