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Livermore
Livermore
ZHEN

Calamos Advisors LLC

SEC CIK
0001316507
Latest filing
Jul 31, 2026

ON holding history

On Semiconductor 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.

ON overviewAll 13F holders of ONFull Q2 2026 holdings

Shares (Q2 2026)
104,780
Value
$9.91M
% of portfolio
<0.1%
Quarters held
18
Since Q1 2021
Holdings of ON by Calamos Advisors LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026104,780$9.91M<0.1%−1,948−1.8%ReducedHolders
Q1 2026106,728$6.61M<0.1%00.0%UnchangedHolders
Q4 2025106,728$5.78M<0.1%−4,335−3.9%ReducedHolders
Q3 2025111,063$5.48M<0.1%00.0%UnchangedHolders
Q2 2025111,063$5.82M<0.1%00.0%UnchangedHolders
Q1 2025111,063$4.52M<0.1%+1,237+1.1%AddedHolders
Q4 2024109,826$6.92M<0.1%00.0%UnchangedHolders
Q3 2024109,826$7.97M<0.1%−2,695−2.4%ReducedHolders
Q2 2024112,521$7.71M<0.1%−4,107−3.5%ReducedHolders
Q1 2024116,628$8.58M<0.1%−2,933−2.5%ReducedHolders
Q4 2023119,561$9.99M0.1%−1,561−1.3%ReducedHolders
Q3 2023121,122$11.3M0.1%00.0%UnchangedHolders
Q2 2023121,122$11.5M0.1%00.0%UnchangedHolders
Q1 2023121,122$9.97M<0.1%−15,657−11.4%ReducedHolders
Q4 2022136,779$8.53M<0.1%+136,779NewHolders
Q3 20220$00.0%−26,923−100.0%Sold outHolders
Q2 202226,923$1.35M<0.1%+26,923NewHolders
Q4 20210$00.0%−14,753−100.0%Sold outHolders
Q3 202114,753$675.0K<0.1%+14,753NewHolders
Q2 20210$00.0%−28,317−100.0%Sold outHolders
Q1 202128,317$1.18M<0.1%––Holders

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