Historical shareholding details of Matrix Capital Management Company, LLC holdings in Altair Engineering Inc - Ordinary Shares - Class A (ALTR)

Monthly changes of Matrix Capital Management Company, 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
Dec 31, 2024	Matrix Capital Management Company, Llc	12,430,000	14.49%

Sep 30, 2024	Matrix Capital Management Company, Llc	12,430,000	14.53%

Jun 30, 2024	Matrix Capital Management Company, Llc	12,430,000	14.59%

Mar 31, 2024	Matrix Capital Management Company, Llc	12,430,000	14.64%

Dec 31, 2023	Matrix Capital Management Company, Llc	12,233,174	14.73%

Sep 30, 2023	Matrix Capital Management Company, Llc	11,300,457	13.84%

Jun 30, 2023	Matrix Capital Management Company, Llc	11,174,200	13.76%

Mar 31, 2023	Matrix Capital Management Company, Llc	11,174,200	13.85%

Dec 31, 2022	Matrix Capital Management Company, Llc	10,871,000	13.47%