Historical shareholding details of Acadian Asset Management LLC holdings in Omnicom Group, Inc. (OMC)

Monthly changes of Acadian Asset Management LLC shareholding in Omnicom Group, Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Acadian Asset Management Llc	366,851	0.19%

Sep 30, 2024	Acadian Asset Management Llc	355,879	0.18%

Jun 30, 2024	Acadian Asset Management Llc	396,773	0.20%

Mar 31, 2024	Acadian Asset Management Llc	54,122	0.03%

Dec 31, 2023	Acadian Asset Management Llc	385	0.00%
Dec 31, 2023	Acadian Asset Management Llc	0	0.00%

Nov 30, 2023	Acadian Asset Management Llc	0	0.00%

Oct 31, 2023	Acadian Asset Management Llc	0	0.00%

Sep 30, 2023	Acadian Asset Management Llc	1,210	0.00%
Sep 30, 2023	Acadian Asset Management Llc	0	0.00%

Aug 31, 2023	Acadian Asset Management Llc	0	0.00%

Jul 31, 2023	Acadian Asset Management Llc	0	0.00%

Jun 30, 2023	Acadian Asset Management Llc	119,160	0.06%
Jun 30, 2023	Acadian Asset Management Llc	0	0.00%

May 31, 2023	Acadian Asset Management Llc	0	0.00%

Mar 31, 2023	Acadian Asset Management Llc	82,041	0.04%