WINTRUST FINANCIAL CORP (WTFC) Stock Institutional Trading Activity


WINTRUST FINANCIAL CORP (WTFC) 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 Mairs & Power Growth Fund, Tweedy, Browne Co All Funds (US), and Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Mairs & Power Growth FundSell-4,21646,633$6,520,226
Q3 2025Tweedy, Browne Co All Funds (US)Buy4,6349,052$1,198,847
Q3 2025Mairs & Power Growth FundBuy16950,849$6,734,442
Q2 2025Tweedy, Browne Co All Funds (US)Buy2,3894,418$547,744
Q2 2025Mairs & Power Growth FundSell-14,69550,680$6,283,306
Q1 2025Tweedy, Browne Co All Funds (US)Buy2,0292,029$228,181
Q1 2025Mairs & Power Growth FundSell-20,76065,375$7,352,073
Q4 2024Renaissance Technologies LLCSell-64,0744,621$576,285
Q4 2024Mairs & Power Growth FundSell-4086,135$10,741,896
Q3 2024Renaissance Technologies LLCBuy57,89568,695$7,455,468
Q3 2024Mairs & Power Growth FundSell-14,53086,175$9,352,573
Q2 2024Mairs & Power Growth FundSell-20,455100,705$9,925,485
Q1 2024Mairs & Power Growth FundSell-30,605121,160$12,647,892
Q4 2023Mairs & Power Growth FundSell-13,592151,765$14,076,204
Q3 2023Renaissance Technologies LLCSell-58,90010,800$815
Q3 2023Mairs & Power Growth FundSell-38,561165,357$12,484,454
Q2 2023Mairs & Power Growth FundBuy20,360203,918$14,808,525
Q1 2023Mairs & Power Growth FundBuy22,133183,558$13,390,556
Q4 2022Renaissance Technologies LLCBuy39,10069,700$5,891
Q3 2022Renaissance Technologies LLCSell-30,60030,600$2,495
Q3 2022Mairs & Power Growth FundSell-107161,425$13,164
Q2 2022Mairs & Power Growth FundSell-89161,532$12,947
Q1 2022Renaissance Technologies LLCBuy32,20061,200$5,687
Q1 2022Mairs & Power Growth FundSell-29,522161,621$15,019
Q4 2021Renaissance Technologies LLCBuy16,10029,000$2,634
Q4 2021Mairs & Power Growth FundSell-43,798191,143$17,360
Q3 2021Renaissance Technologies LLCSell-96,65412,900$1,037
Q3 2021Mairs & Power Growth FundSell-182234,941$18,882
Q2 2021Renaissance Technologies LLCSell-34,546109,554$8,286
Q2 2021Mairs & Power Growth FundSell-12,416235,123$17,782

Frequently asked questions about WTFC activity

  • Which institutional owners are buying WTFC?

    Institutional owners buying WTFC 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 WTFC activity?

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

  • Is institutional interest in WTFC increasing?

    Institutional interest in WTFC 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.