M & T BANK CORP (MTB) Stock Institutional Trading Activity


M & T BANK CORP (MTB) 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 Ariel Appreciation Fund, Matrix Advisors Value Fund, Sequoia Financial Advisors, Giverny Capital, and Viking Global Investors. 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
Q1 2022Sequoia Financial AdvisorsBuy2,90322,246$3,771
Q1 2022Matrix Advisors Value FundBuy6,53682,422$13,971
Q1 2022Giverny CapitalBuy8,203290,587$49,254
Q4 2021Ariel Appreciation FundSell-11,7751,519$233
Q4 2021Sequoia Financial AdvisorsBuy19,34319,343$2,971
Q4 2021Matrix Advisors Value FundBuy1,65975,886$11,655
Q4 2021Giverny CapitalBuy277,701282,384$43,369
Q3 2021Renaissance Technologies LLCSell-135,8004,442$663
Q3 2021Matrix Advisors Value FundBuy3,21174,227$11,085
Q2 2021Giverny CapitalSell-134,6854,683$680
Q2 2021Matrix Advisors Value FundBuy21,99371,016$10,319
Q2 2021Renaissance Technologies LLCBuy43,400140,242$20,379
Q1 2021Matrix Advisors Value FundBuy25,73249,023$7,432
Q1 2021Renaissance Technologies LLCSell-14,60096,842$14,682
Q4 2020Gardner Russo & QuinnBuy394,550$579
Q4 2020Matrix Advisors Value FundBuy68223,291$2,965
Q4 2020Renaissance Technologies LLCBuy62,900111,442$14,187
Q3 2020Gardner Russo & QuinnBuy534,511$415
Q3 2020Matrix Advisors Value FundSell-2,00322,609$2,082
Q3 2020Berkshire HathawaySell-1,616,5612,919,613$268,867
Q2 2020Gardner Russo & QuinnBuy474,458$464
Q2 2020Matrix Advisors Value FundBuy24,61224,612$2,559
Q2 2020Berkshire HathawaySell-845,8664,536,174$471,626
Q1 2020Gardner Russo & QuinnBuy464,411$456
Q4 2019Giverny CapitalBuy1,301139,368$23,658
Q4 2019Gardner Russo & QuinnBuy284,365$741
Q3 2019Giverny CapitalBuy2,481138,067$21,810
Q3 2019Gardner Russo & QuinnSell-2494,337$685
Q3 2019Renaissance Technologies LLCSell-167,00048,542$7,668
Q2 2019Giverny CapitalBuy9,143135,586$23,059

Frequently asked questions about MTB activity

  • Which institutional owners are buying MTB?

    Institutional owners buying MTB 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 MTB activity?

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

  • Is institutional interest in MTB increasing?

    Institutional interest in MTB 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.