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Livermore
Livermore
ZHEN

Madison Asset Management, LLC

SEC CIK
0001299351
Latest filing
Aug 10, 2026

APH holding history

Amphenol Corp in every 13F filed by Madison Asset Management, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

APH overviewAll 13F holders of APHFull Q2 2026 holdings

Shares (Q2 2026)
1,176,112
Value
$207.4M
% of portfolio
2.5%
Quarters held
22
Since Q1 2021
Holdings of APH by Madison Asset Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,176,112$207.4M2.5%−74,894−6.0%ReducedHolders
Q1 20261,251,006$158.1M2.0%−89,835−6.7%ReducedHolders
Q4 20251,340,841$181.2M2.1%−1,101,861−45.1%ReducedHolders
Q3 20252,442,702$302.3M3.3%−35,617−1.4%ReducedHolders
Q2 20252,478,319$244.7M2.6%−68,028−2.7%ReducedHolders
Q1 20252,546,347$167.0M1.9%+274,945+12.1%AddedHolders
Q4 20242,271,402$157.7M1.8%+195,559+9.4%AddedHolders
Q3 20242,075,843$135.3M1.5%+125,037+6.4%AddedHolders
Q2 20241,950,806$131.4M1.6%+168,696+9.5%AddedConverted for a 2-for-1 splitHolders
Q1 2024891,055$102.8M1.3%+86,301+10.7%AddedHolders
Q4 2023804,754$79.8M1.1%+25,801+3.3%AddedHolders
Q3 2023778,953$65.4M1.0%+26,362+3.5%AddedHolders
Q2 2023752,591$63.9M0.9%−2,156−0.3%ReducedHolders
Q1 2023754,747$61.7M0.9%−6,567−0.9%ReducedHolders
Q4 2022761,314$58.0M0.9%+1,750+0.2%AddedHolders
Q3 2022759,564$50.9M0.9%+4,951+0.7%AddedHolders
Q2 2022754,613$48.6M0.8%−17,245−2.2%ReducedHolders
Q1 2022771,858$58.2M0.8%−8,807−1.1%ReducedHolders
Q4 2021780,665$68.3M0.9%−9,201−1.2%ReducedHolders
Q3 2021789,866$57.8M0.8%−2,012−0.3%ReducedHolders
Q2 2021791,878$54.2M0.7%−7,093−0.9%ReducedHolders
Q1 2021798,971$52.7M0.7%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.