WINTRUST FINANCIAL CORP (WTFC) Institutional Ownership Changes & 13F Activity

WINTRUST FINANCIAL CORP (WTFC) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Mairs & Power Growth Fund, Sequoia Financial Advisors, Tweedy, Browne Co All Funds (US), and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2021Renaissance Technologies LLCSell-34,546109,554$8,286
Q2 2021Mairs & Power Growth FundSell-12,416235,123$17,782
Q1 2021Mairs & Power Growth FundSell-10,890247,539$18,763
Q4 2020Mairs & Power Growth FundSell-34,166258,429$15,787
Q3 2020Renaissance Technologies LLCSell-40,900144,100$5,771
Q3 2020Mairs & Power Growth FundBuy175292,595$11,718
Q2 2020Renaissance Technologies LLCSell-122,000185,000$8,070
Q2 2020Mairs & Power Growth FundBuy28,035292,420$12,755
Q1 2020Renaissance Technologies LLCBuy179,900307,000$10,088
Q1 2020Mairs & Power Growth FundBuy41,100264,385$8,688
Q4 2019Renaissance Technologies LLCSell-118,900127,100$9,011
Q4 2019Mairs & Power Growth FundBuy80223,285$15,831
Q3 2019Renaissance Technologies LLCBuy160,600246,000$15,899
Q3 2019Mairs & Power Growth FundBuy10,920223,205$14,426
Q2 2019Renaissance Technologies LLCSell-143,50085,400$6,248
Q1 2019Renaissance Technologies LLCSell-130,500228,900$15,412
Q1 2019Mairs & Power Growth FundBuy16,170212,285$14,293
Q4 2018Renaissance Technologies LLCBuy303,300359,400$23,897
Q4 2018Mairs & Power Growth FundBuy28,135196,115$13,040
Q3 2018Mairs & Power Growth FundBuy15,100167,980$14,268
Q3 2018Renaissance Technologies LLCSell-3,10056,100$4,765
Q2 2018Mairs & Power Growth FundSell-14,200152,880$13,308
Q1 2018Renaissance Technologies LLCSell-15,58059,200$5,094
Q1 2018Mairs & Power Growth FundSell-8,800167,080$14,377
Q4 2017Mairs & Power Growth FundSell-27,550175,880$14,487
Q4 2017Renaissance Technologies LLCSell-15,92074,780$6,160
Q3 2017Renaissance Technologies LLCSell-73,30090,700$7,103
Q3 2017Mairs & Power Growth FundSell-5,900203,430$15,931
Q2 2017Renaissance Technologies LLCSell-23,400164,000$12,536
Q2 2017Mairs & Power Growth FundBuy16,080209,330$16,001

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.