WEC ENERGY GROUP INC (WEC) Stock Institutional Trading Activity


WEC ENERGY GROUP INC (WEC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Mairs & Power Growth Fund, Sequoia Financial Advisors, Meritage Group, and Ariel Appreciation Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2018Renaissance Technologies LLCBuy719,9003,873,402$258,588
Q1 2018Mairs & Power Growth FundSell-1257,369$462
Q1 2018Renaissance Technologies LLCBuy368,7003,153,502$197,725
Q4 2017Renaissance Technologies LLCBuy700,2002,784,802$184,994
Q3 2017Renaissance Technologies LLCBuy299,8002,084,602$130,871
Q2 2017Mairs & Power Growth FundSell-467,494$460
Q2 2017Renaissance Technologies LLCBuy269,9001,784,802$109,551
Q1 2017Mairs & Power Growth FundSell-937,540$457
Q1 2017Renaissance Technologies LLCBuy624,4001,514,902$91,849
Q4 2016Mairs & Power Growth FundBuy2,8617,633$448
Q4 2016Renaissance Technologies LLCBuy491,800890,502$52,228
Q3 2016Renaissance Technologies LLCBuy166,300398,702$23,874
Q1 2016Mairs & Power Growth FundBuy2784,772$287
Q1 2016Renaissance Technologies LLCBuy202,900232,402$13,960
Q4 2015Renaissance Technologies LLCSell-203,37529,502$1,514
Q3 2015Mairs & Power Growth FundSell-2834,494$235
Q3 2015Renaissance Technologies LLCSell-217,527232,877$12,161
Q3 2015Ariel Appreciation FundBuy55,13855,138$2,879
Q2 2015Mairs & Power Growth FundBuy4,7774,777$215
Q2 2015Renaissance Technologies LLCBuy450,404450,404$20,255

Frequently asked questions about WEC activity

  • Which institutional owners are buying WEC?

    Institutional owners buying WEC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in WEC activity?

    "Buy" means an investor increased their reported position in WEC compared to the prior reporting period. This reflects growing exposure to WEC ENERGY GROUP INC (WEC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in WEC increasing?

    Institutional interest in WEC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.