ALTAIR ENGR INC

CUSIP: 021369103 Class: Common Stock

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2024
Shares 591,573 Value ($000) $64,547 Avg Close — Range —
Q3 2024
Shares 578,988 Value ($000) $55,298 Avg Close — Range —
Q2 2024
Shares 513,695 Value ($000) $50,384 Avg Close — Range —
Q1 2024
Shares 476,581 Value ($000) $41,057 Avg Close — Range —
Q4 2023
Shares 470,907 Value ($000) $39,627 Avg Close — Range —
Q3 2023
Shares 461,193 Value ($000) $28,852 Avg Close — Range —
Q2 2023
Shares 365,605 Value ($000) $27,727 Avg Close — Range —
Q1 2023
Shares 355,139 Value ($000) $25,608 Avg Close — Range —
Q4 2022
Shares 420,387 Value ($000) $19 Avg Close — Range —
Q3 2022
Shares 394,265 Value ($000) $17,435 Avg Close — Range —
Q2 2022
Shares 350,322 Value ($000) $18,390 Avg Close — Range —
Q1 2022
Shares 353,243 Value ($000) $22,750 Avg Close — Range —
Q4 2021
Shares 343,027 Value ($000) $26,521 Avg Close — Range —
Q3 2021
Shares 327,529 Value ($000) $22,580 Avg Close — Range —
Q2 2021
Shares 259,974 Value ($000) $17,933 Avg Close — Range —
Q1 2021
Shares 251,604 Value ($000) $15,709 Avg Close — Range —
Q4 2020
Shares 249,161 Value ($000) $14,496 Avg Close — Range —
Q3 2020
Shares 243,281 Value ($000) $10,212 Avg Close — Range —
Q2 2020
Shares 238,982 Value ($000) $9,498 Avg Close — Range —
Q1 2020
Shares 236,148 Value ($000) $6,256 Avg Close — Range —
Q4 2019
Shares 200,805 Value ($000) $7,211 Avg Close — Range —
Q3 2019
Shares 171,858 Value ($000) $5,950 Avg Close — Range —
Q2 2019
Shares 146,212 Value ($000) $5,905 Avg Close — Range —
Q1 2019
Shares 120,700 Value ($000) $4,444 Avg Close — Range —
Q4 2018
Shares 19,418 Value ($000) $536 Avg Close — Range —