AMPHENOL CORP-CL A (APH) Stock Institutional Trading Activity


AMPHENOL CORP-CL A (APH) 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 Jensen Investment Management, Lone Pine Capital, Egerton Capital UK, Torray Fund, and Sequoia Financial Advisors. 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
Q4 2025Jensen Investment ManagementSell-638,976230,488$31,148,148
Q4 2025Lone Pine CapitalSell-213,4582,809,773$379,712,723
Q3 2025Torray FundSell-14,64481,701$10,110,499
Q3 2025Jensen Investment ManagementSell-1,742,545869,464$107,596,170
Q3 2025Sequoia Financial AdvisorsBuy4,46038,043$4,707,837
Q3 2025Lone Pine CapitalBuy3,023,2313,023,231$374,124,836
Q3 2025Egerton Capital UKBuy654,9493,823,422$473,148,473
Q2 2025Torray FundSell-7,21796,345$9,514,069
Q2 2025Jensen Investment ManagementBuy94,4182,612,009$257,935,889
Q2 2025Sequoia Financial AdvisorsBuy6,69033,583$3,316,318
Q2 2025Egerton Capital UKBuy1,405,8503,168,473$312,886,709
Q1 2025Torray FundSell-2,016103,562$6,792,632
Q1 2025Jensen Investment ManagementSell-2,0852,517,591$165,128,794
Q1 2025Sequoia Financial AdvisorsBuy4,33726,893$1,763,936
Q1 2025Egerton Capital UKBuy1,762,6231,762,623$115,610,443
Q1 2025Bares Capital ManagementBuy353353$23,153
Q4 2024Torray FundBuy1,551105,578$7,332,392
Q4 2024Jensen Investment ManagementSell-575,9842,519,676$174,991,498
Q4 2024Sequoia Financial AdvisorsBuy3,77422,556$1,566,547
Q3 2024Torray FundSell-3104,027$6,778,399
Q3 2024Jensen Investment ManagementSell-871,8843,095,660$201,713,206
Q3 2024Sequoia Financial AdvisorsBuy1,43218,782$1,223,856
Q3 2024Third PointSell-1,200,0001,600,000$104,256,000
Q2 2024Torray FundBuy89,650104,030$7,008,501
Q2 2024Jensen Investment ManagementBuy990,9473,967,544$267,293,439
Q2 2024Matrix Advisors Value FundBuy3,0563,056$206,000
Q2 2024Sequoia Financial AdvisorsBuy9,13117,350$1,168,853
Q2 2024Joho CapitalBuy39,24078,480$5,287,198
Q2 2024Third PointBuy2,800,0002,800,000$188,636,000
Q1 2024Torray FundSell-47,34214,380$6,949,838

Frequently asked questions about APH activity

  • Which institutional owners are buying APH?

    Institutional owners buying APH 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 APH activity?

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

  • Is institutional interest in APH increasing?

    Institutional interest in APH 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.