Historical shareholding details of Calamos Advisors LLC holdings in ON Semiconductor Corp. (ON)

Monthly changes of Calamos Advisors LLC shareholding in ON Semiconductor Corp. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Calamos Advisors Llc	118,326	0.03%

Feb 28, 2025	Calamos Advisors Llc	118,326	0.03%

Jan 31, 2025	Calamos Advisors Llc	118,326	0.03%

Dec 31, 2024	Calamos Advisors Llc	109,826	0.03%
Dec 31, 2024	Calamos Advisors Llc	118,326	0.03%

Nov 30, 2024	Calamos Advisors Llc	118,326	0.03%

Oct 31, 2024	Calamos Advisors Llc	118,326	0.03%

Sep 30, 2024	Calamos Advisors Llc	109,826	0.03%
Sep 30, 2024	Calamos Advisors Llc	121,021	0.03%

Aug 31, 2024	Calamos Advisors Llc	121,021	0.03%

Jul 31, 2024	Calamos Advisors Llc	121,338	0.03%

Jun 30, 2024	Calamos Advisors Llc	112,521	0.03%
Jun 30, 2024	Calamos Advisors Llc	125,445	0.03%

May 31, 2024	Calamos Advisors Llc	125,445	0.03%

Apr 30, 2024	Calamos Advisors Llc	128,378	0.03%

Mar 31, 2024	Calamos Advisors Llc	116,628	0.03%
Mar 31, 2024	Calamos Advisors Llc	128,463	0.03%

Feb 29, 2024	Calamos Advisors Llc	128,463	0.03%

Jan 31, 2024	Calamos Advisors Llc	130,172	0.03%

Dec 31, 2023	Calamos Advisors Llc	119,561	0.03%
Dec 31, 2023	Calamos Advisors Llc	130,172	0.03%

Nov 30, 2023	Calamos Advisors Llc	130,172	0.03%

Oct 31, 2023	Calamos Advisors Llc	130,172	0.03%

Sep 30, 2023	Calamos Advisors Llc	121,122	0.03%
Sep 30, 2023	Calamos Advisors Llc	130,172	0.03%

Aug 31, 2023	Calamos Advisors Llc	130,172	0.03%

Jul 31, 2023	Calamos Advisors Llc	130,490	0.03%

Jun 30, 2023	Calamos Advisors Llc	121,122	0.03%
Jun 30, 2023	Calamos Advisors Llc	130,749	0.03%

May 31, 2023	Calamos Advisors Llc	130,837	0.03%

Mar 31, 2023	Calamos Advisors Llc	121,122	0.03%