ValuationViz

MA fund manager activity

Mastercard Incorporated · NYSE. Reported by 45 tracked fund managers in their 13F filings, Q2 2013 to Q3 2026.

Q3 2026

ManagerActivitySharesValue% of portfolioFiled
John Armitage - Egerton CapitalTrimmed347,692$191,741,7071.95%Oct 20, 2026

Q2 2026

ManagerActivitySharesValue% of portfolioFiled
AKO CapitalAdded189,941$97,554,0002.27%Aug 12, 2026
Chuck Akre - Akre Capital ManagementTrimmed1,989,906$1,022,015,72220.0%Aug 14, 2026
AltaRock PartnersAdded764,507$392,650,7959.26%Aug 17, 2026
Guy Spier - Aquamarine CapitalNo change40,000$20,544,00014.3%Jul 10, 2026
Gavin Baker - Atreides ManagementAdded93,629$48,087,8540.43%Aug 14, 2026
Ron Baron - Baron CapitalTrimmed79,709$40,938,5420.06%Aug 14, 2026
Glenn Greenberg - Brave Warrior AdvisorsAdded1,172$601,9390.01%Aug 14, 2026
Arnold Van Den Berg - Century ManagementTrimmed1,553$797,6210.17%Aug 14, 2026
John Armitage - Egerton CapitalTrimmed363,490$186,688,4641.80%Jul 21, 2026
Ken Fisher - Fisher Asset ManagementTrimmed4,357,285$2,237,902,1570.67%Aug 4, 2026
Terry Smith - FundsmithNew1,245,051$639,458,1944.69%Aug 14, 2026
Jeremy Grantham - GMOAdded1,818,743$934,107,5842.10%Aug 13, 2026
Thomas Russo - Gardner Russo & QuinnTrimmed1,522,395$781,901,9658.76%Aug 13, 2026
Francois Rochon - Giverny CapitalAdded28,816$14,799,8980.50%Aug 26, 2026
Joel Greenblatt - Gotham Asset ManagementAdded86,722$44,540,4190.10%Aug 14, 2026
Jensen Investment ManagementTrimmed347,714$178,585,9104.33%Aug 7, 2026
Stephen Mandel - Lone Pine CapitalSold out——0.00%Aug 14, 2026
Mairs & Power FundsTrimmed395$202,8720.00%Aug 14, 2026
Thomas Gayner - Markel GroupNo change207,540$106,592,5450.81%Jul 31, 2026
Bill Nygren - Oakmark FundsTrimmed100,993$51,870,1630.07%Aug 14, 2026
Polen Capital ManagementTrimmed1,141,958$586,509,2755.05%Aug 4, 2026
Christopher Bloomstran - Semper AugustusNo change658$338,0380.04%Aug 14, 2026
Triple Frond PartnersNo change175,472$90,122,0008.04%Aug 13, 2026
Valley Forge Capital ManagementTrimmed1,065,934$547,463,70217.6%Aug 14, 2026
Vulcan Value PartnersAdded502,961$258,320,7707.86%Aug 10, 2026
Wallace Weitz - Weitz Investment ManagementTrimmed145,350$74,651,7605.17%Aug 12, 2026
Yacktman Asset ManagementNo change11,670$5,993,7120.07%Aug 11, 2026

Older quarters