Altair Engineering Inc.

PRIMECAP MANAGEMENT CO/CA/

Report date

12/31/2024

Quarter

2024 Q4

Filed

2/10/2025

Shares

238,363

Value ($000)

26,008

Weight

0.0%

2019 Q4 - 2024 Q4 (21 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2024 Q4	2/10/2025	26,008	0.0%	238,363	12/31/2024
2024 Q3	11/8/2024	30,801	0.0%	322,493	9/30/2024
2024 Q2	8/9/2024	33,779	0.0%	344,403	6/30/2024
2024 Q1	5/14/2024	32,145	0.0%	373,133	3/31/2024
2023 Q4	2/9/2024	32,382	0.0%	384,813	12/31/2023
2023 Q3	11/13/2023	26,535	0.0%	424,150	9/30/2023
2023 Q2	8/11/2023	36,475	0.0%	480,950	6/30/2023
2023 Q1	5/15/2023	38,900	0.0%	539,450	3/31/2023
2022 Q4	2/13/2023	31,286	0.0%	688,050	12/31/2022
2022 Q3	11/14/2022	33,315	0.0%	753,400	9/30/2022
2022 Q2	8/11/2022	40,229	0.0%	766,270	6/30/2022
2022 Q1	5/11/2022	50,976	0.0%	791,550	3/31/2022
2021 Q4	2/11/2022	64,516	0.0%	834,400	12/31/2021
2021 Q3	11/12/2021	61,635	0.0%	894,040	9/30/2021
2021 Q2	8/10/2021	62,968	0.0%	912,980	6/30/2021
2021 Q1	5/14/2021	60,399	0.0%	965,300	3/31/2021
2020 Q4	2/8/2021	57,876	0.0%	994,780	12/31/2020
2020 Q3	11/13/2020	44,845	0.0%	1,068,250	9/30/2020
2020 Q2	8/13/2020	44,504	0.0%	1,119,600	6/30/2020
2020 Q1	5/14/2020	32,537	0.0%	1,227,800	3/31/2020
2019 Q4	2/14/2020	47,997	0.0%	1,336,600	12/31/2019