Skip to main content
Livermore
Livermore
ZHEN

Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

APH holding history

Amphenol Corp in every 13F filed by Calamos Advisors 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)
369,605
Value
$65.2M
% of portfolio
0.2%
Quarters held
22
Since Q1 2021
Holdings of APH by Calamos Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026369,605$65.2M0.2%+72,158+24.3%AddedHolders
Q1 2026297,447$37.6M0.1%−2,907−1.0%ReducedHolders
Q4 2025300,354$40.6M0.2%−6,664−2.2%ReducedHolders
Q3 2025307,018$38.0M0.2%+410+0.1%AddedHolders
Q2 2025306,608$30.3M0.1%00.0%UnchangedHolders
Q1 2025306,608$20.1M0.1%+3,415+1.1%AddedHolders
Q4 2024303,193$21.1M0.1%00.0%UnchangedHolders
Q3 2024303,193$19.8M0.1%−7,439−2.4%ReducedHolders
Q2 2024310,632$20.9M0.1%−11,338−3.5%ReducedConverted for a 2-for-1 splitHolders
Q1 2024160,985$18.6M0.1%−4,049−2.5%ReducedHolders
Q4 2023165,034$16.4M0.1%−2,155−1.3%ReducedHolders
Q3 2023167,189$14.0M0.1%00.0%UnchangedHolders
Q2 2023167,189$14.2M0.1%00.0%UnchangedHolders
Q1 2023167,189$13.7M0.1%−20,902−11.1%ReducedHolders
Q4 2022188,091$14.3M0.1%−33,255−15.0%ReducedHolders
Q3 2022221,346$14.8M0.1%00.0%UnchangedHolders
Q2 2022221,346$14.3M0.1%+5,961+2.8%AddedHolders
Q1 2022215,385$16.2M0.1%+28,709+15.4%AddedHolders
Q4 2021186,676$16.3M0.1%+7,227+4.0%AddedHolders
Q3 2021179,449$13.1M0.1%+15,834+9.7%AddedHolders
Q2 2021163,615$11.2M0.1%+37,215+29.4%AddedHolders
Q1 2021126,400$8.34M<0.1%––Holders

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