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Livermore
Livermore
ZHEN

Select Equity Group, L.P.

SEC CIK
0001592643
Latest filing
Aug 14, 2026

APH holding history

Amphenol Corp in every 13F filed by Select Equity Group, L.P., 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)
1,249,958
Value
$220.4M
% of portfolio
1.2%
Quarters held
22
Since Q1 2021
Holdings of APH by Select Equity Group, L.P., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,249,958$220.4M1.2%+50,015+4.2%AddedHolders
Q1 20261,199,943$151.6M0.8%+534,692+80.4%AddedHolders
Q4 2025665,251$89.9M0.4%−264,867−28.5%ReducedHolders
Q3 2025930,118$115.1M0.5%+253,232+37.4%AddedHolders
Q2 2025676,886$66.8M0.3%−244,759−26.6%ReducedHolders
Q1 2025921,645$60.5M0.3%+179,620+24.2%AddedHolders
Q4 2024742,025$51.5M0.2%−10,810−1.4%ReducedHolders
Q3 2024752,835$49.1M0.2%−2,386,798−76.0%ReducedHolders
Q2 20243,139,633$211.5M0.8%−2,046,881−39.5%ReducedConverted for a 2-for-1 splitHolders
Q1 20242,593,257$299.1M1.1%−1,564,822−37.6%ReducedHolders
Q4 20234,158,079$412.2M1.5%−207,635−4.8%ReducedHolders
Q3 20234,365,714$366.7M1.5%+22,792+0.5%AddedHolders
Q2 20234,342,922$368.9M1.4%−1,063,041−19.7%ReducedHolders
Q1 20235,405,963$441.8M1.7%−162,624−2.9%ReducedHolders
Q4 20225,568,587$424.0M1.6%−142,869−2.5%ReducedHolders
Q3 20225,711,456$382.4M1.6%−673,080−10.5%ReducedHolders
Q2 20226,384,536$411.0M1.5%+342,706+5.7%AddedHolders
Q1 20226,041,830$455.3M1.5%−973,892−13.9%ReducedHolders
Q4 20217,015,722$613.6M1.8%−240,040−3.3%ReducedHolders
Q3 20217,255,762$531.3M1.8%−534,502−6.9%ReducedHolders
Q2 20217,790,264$532.9M1.8%−1,349,742−14.8%ReducedHolders
Q1 20219,140,006$603.0M2.2%––Holders

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