ValuationViz

APH fund manager activity

Amphenol Corporation · NYSE. Reported by 17 tracked fund managers in their 13F filings, Q2 2013 to Q3 2026.

Q3 2026

ManagerActivitySharesValue% of portfolioFiled
John Armitage - Egerton CapitalAdded10,708,713$902,744,5069.19%Oct 20, 2026
David Katz - Matrix Asset AdvisorsAdded6,590$555,5170.05%Oct 13, 2026

Q2 2026

ManagerActivitySharesValue% of portfolioFiled
Gavin Baker - Atreides ManagementNew640,069$112,856,9661.01%Aug 14, 2026
Ron Baron - Baron CapitalTrimmed1,598,059$281,769,7630.42%Aug 14, 2026
Arnold Van Den Berg - Century ManagementNew21,645$3,816,4460.81%Aug 14, 2026
John Armitage - Egerton CapitalAdded4,866,688$858,094,4288.29%Jul 21, 2026
Ken Fisher - Fisher Asset ManagementAdded7,677$1,353,6490.00%Aug 4, 2026
Jeremy Grantham - GMOAdded13,251$2,336,4160.01%Aug 13, 2026
Joel Greenblatt - Gotham Asset ManagementTrimmed256,432$45,214,0900.11%Aug 14, 2026
Jensen Investment ManagementAdded614,660$108,376,8512.63%Aug 7, 2026
Stephen Mandel - Lone Pine CapitalSold out——0.00%Aug 14, 2026
David Katz - Matrix Asset AdvisorsNo change3,056$538,8340.04%Jul 15, 2026
Lee Ainslie - Maverick CapitalNew6,423$1,132,5030.01%Aug 14, 2026
Torray FundsTrimmed59,235$10,444,3151.41%Jul 30, 2026
Wallace Weitz - Weitz Investment ManagementNo change9,200$1,622,1440.11%Aug 12, 2026

Older quarters