Historical shareholding details of Acadian Asset Management LLC holdings in Altair Engineering Inc - Ordinary Shares - Class A (ALTR)

Monthly changes of Acadian Asset Management LLC shareholding in Altair Engineering Inc - Ordinary Shares - Class A over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Feb 28, 2025	Acadian Asset Management Llc	26,361	0.03%

Jan 31, 2025	Acadian Asset Management Llc	26,361	0.03%

Dec 31, 2024	Acadian Asset Management Llc	15,171	0.02%
Dec 31, 2024	Acadian Asset Management Llc	26,361	0.03%

Nov 30, 2024	Acadian Asset Management Llc	26,361	0.03%

Oct 31, 2024	Acadian Asset Management Llc	26,361	0.03%

Sep 30, 2024	Acadian Asset Management Llc	16,588	0.02%
Sep 30, 2024	Acadian Asset Management Llc	26,361	0.03%

Aug 31, 2024	Acadian Asset Management Llc	20,992	0.02%

Jul 31, 2024	Acadian Asset Management Llc	20,992	0.02%

Jun 30, 2024	Acadian Asset Management Llc	15,968	0.02%
Jun 30, 2024	Acadian Asset Management Llc	27,493	0.03%

May 31, 2024	Acadian Asset Management Llc	27,493	0.03%

Apr 30, 2024	Acadian Asset Management Llc	3,459	0.00%

Mar 31, 2024	Acadian Asset Management Llc	99,351	0.12%
Mar 31, 2024	Acadian Asset Management Llc	3,459	0.00%

Feb 29, 2024	Acadian Asset Management Llc	3,459	0.00%

Jan 31, 2024	Acadian Asset Management Llc	3,459	0.00%

Dec 31, 2023	Acadian Asset Management Llc	7,049	0.01%

Sep 30, 2023	Acadian Asset Management Llc	10,533	0.01%

Jun 30, 2023	Acadian Asset Management Llc	75,511	0.09%

Mar 31, 2023	Acadian Asset Management Llc	10,533	0.01%