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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

MA

Superinvestors

Institutional investors holding MA

Consensus →
InvestorFundWeightSharesValueQuarter
Chuck AkreAkre Capital Management18.58%2,281,106$1.1B2026Q1
Guy SpierAquamarine Capital12.19%65,750$20.7M2022Q2
Thomas RussoGardner Russo & Quinn9.15%1,555,141$777.0M2026Q1
Triple Frond PartnersTriple Frond Partners9.11%175,472$88K2026Q1
AltaRock PartnersAltaRock Partners6.33%522,836$261.2M2026Q1
Polen Capital ManagementPolen Capital Management5.33%1,541,388$770.2M2026Q1
Wallace WeitzWeitz Investment Management5.13%147,000$73.5M2026Q1
Ruane CunniffSequoia Fund5.01%4,051,345$572.0M2017Q3
Jensen Investment ManagementJensen Investment Management4.84%490,929$245.3M2026Q1
Bill AckmanPershing Square Capital Management2.60%569,924$101.1M2008Q3
John ArmitageEgerton Capital2.55%459,652$229.7M2026Q1
Chase ColemanTiger Global Management2.39%724,000$263.1M2023Q1
Tweedy Browne Co.Tweedy Browne Value Fund1.63%173,994$46.0M2019Q2
AKO CapitalAKO Capital1.52%155,592$78K2026Q1
Viking Global InvestorsViking Global Investors1.42%794,313$382.5M2024Q1
Warren BuffettBerkshire Hathaway0.83%3,986,648$2.3B2025Q4
Kenneth FisherFisher Asset Management0.75%4,407,853$2.2B2026Q1
Francois RochonGiverny Capital0.51%28,066$14.0M2026Q1
First Eagle Investment ManagementFirst Eagle Investment Management0.51%918,690$204.5M2018Q3
Stephen MandelLone Pine Capital0.23%57,201$28.6M2026Q1
Chris HohnTCI Fund Management0.11%97,450$28.8M2020Q2
Bill NygrenOakmark Select Fund – Harris Associates0.08%118,615$59.3M2026Q1
Yacktman Asset ManagementYacktman Asset Management0.08%11,670$5.8M2026Q1
Christopher DavisDavis Selected Advisers0.01%14,390$1.4M2015Q4
Glenn GreenbergBrave Warrior Advisors0.01%422$211K2026Q1
Meridian / ArrowMarkMeridian Contrarian Fund0.01%5,300$1.9M2021Q1
Mairs & PowerMairs & Power Growth Fund0.00%520$260K2026Q1

Congressional Activity

Congressional data coming soon

Insider Activity

No insider trades in the last 90 days

Insider Tradeslast 90 days

No insider trades in the last 90 days.

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.