ALTAIR ENGR INC

CUSIP: 021369103 Class: Common Stock

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

Note: Option positions (PUT/CALL) are excluded.

Q4 2024
Shares 238,363 Value ($000) $26,008 Avg Close — Range —
Q3 2024
Shares 322,493 Value ($000) $30,801 Avg Close — Range —
Q2 2024
Shares 344,403 Value ($000) $33,779 Avg Close — Range —
Q1 2024
Shares 373,133 Value ($000) $32,145 Avg Close — Range —
Q4 2023
Shares 384,813 Value ($000) $32,382 Avg Close — Range —
Q3 2023
Shares 424,150 Value ($000) $26,535 Avg Close — Range —
Q2 2023
Shares 480,950 Value ($000) $36,475 Avg Close — Range —
Q1 2023
Shares 539,450 Value ($000) $38,900 Avg Close — Range —
Q4 2022
Shares 688,050 Value ($000) $31,286 Avg Close — Range —
Q3 2022
Shares 753,400 Value ($000) $33,315 Avg Close — Range —
Q2 2022
Shares 766,270 Value ($000) $40,229 Avg Close — Range —
Q1 2022
Shares 791,550 Value ($000) $50,976 Avg Close — Range —
Q4 2021
Shares 834,400 Value ($000) $64,516 Avg Close — Range —
Q3 2021
Shares 894,040 Value ($000) $61,635 Avg Close — Range —
Q2 2021
Shares 912,980 Value ($000) $62,968 Avg Close — Range —
Q1 2021
Shares 965,300 Value ($000) $60,399 Avg Close — Range —
Q4 2020
Shares 994,780 Value ($000) $57,876 Avg Close — Range —
Q3 2020
Shares 1,068,250 Value ($000) $44,845 Avg Close — Range —
Q2 2020
Shares 1,119,600 Value ($000) $44,504 Avg Close — Range —
Q1 2020
Shares 1,227,800 Value ($000) $32,537 Avg Close — Range —
Q4 2019
Shares 1,336,600 Value ($000) $47,997 Avg Close — Range —
Q3 2019
Shares 1,158,000 Value ($000) $40,090 Avg Close — Range —
Q2 2019
Shares 1,153,600 Value ($000) $46,594 Avg Close — Range —
Q1 2019
Shares 1,150,000 Value ($000) $42,331 Avg Close — Range —
Q4 2018
Shares 948,200 Value ($000) $26,151 Avg Close — Range —
Q3 2018
Shares 1,004,400 Value ($000) $43,641 Avg Close — Range —
Q2 2018
Shares 1,012,400 Value ($000) $34,604 Avg Close — Range —
Q1 2018
Shares 1,012,400 Value ($000) $31,749 Avg Close — Range —
Q4 2017
Shares 1,012,400 Value ($000) $24,217 Avg Close — Range —