ALTAIR ENGR INC

CUSIP: 021369103 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2024
Shares 1,066,016 Value ($000) $116,313 Avg Close — Range —
Q3 2024
Shares 1,270,603 Value ($000) $121,355 Avg Close — Range —
Q2 2024
Shares 1,293,851 Value ($000) $126,901 Avg Close — Range —
Q1 2024
Shares 1,383,721 Value ($000) $119,208 Avg Close — Range —
Q4 2023
Shares 1,495,928 Value ($000) $125,882 Avg Close — Range —
Q3 2023
Shares 1,487,231 Value ($000) $93,041 Avg Close — Range —
Q2 2023
Shares 1,523,120 Value ($000) $115,513 Avg Close — Range —
Q1 2023
Shares 1,402,719 Value ($000) $101,150 Avg Close — Range —
Q4 2022
Shares 61,096 Value ($000) $2,778 Avg Close — Range —
Q3 2022
Shares 61,174 Value ($000) $2,705 Avg Close — Range —
Q2 2022
Shares 61,109 Value ($000) $3,208 Avg Close — Range —
Q1 2022
Shares 56,019 Value ($000) $3,608 Avg Close — Range —
Q4 2021
Shares 55,793 Value ($000) $4,314 Avg Close — Range —
Q3 2021
Shares 55,960 Value ($000) $3,858 Avg Close — Range —
Q2 2021
Shares 55,960 Value ($000) $3,860 Avg Close — Range —
Q1 2021
Shares 56,560 Value ($000) $3,539 Avg Close — Range —
Q4 2020
Shares 58,660 Value ($000) $3,413 Avg Close — Range —
Q3 2020
Shares 64,410 Value ($000) $2,704 Avg Close — Range —
Q2 2020
Shares 66,060 Value ($000) $2,626 Avg Close — Range —
Q1 2020
Shares 59,760 Value ($000) $1,584 Avg Close — Range —
Q4 2019
Shares 60,440 Value ($000) $2,170 Avg Close — Range —
Q3 2019
Shares 651,446 Value ($000) $22,553 Avg Close — Range —
Q2 2019
Shares 1,408,944 Value ($000) $56,907 Avg Close — Range —
Q1 2019
Shares 1,375,703 Value ($000) $50,640 Avg Close — Range —
Q4 2018
Shares 1,519,587 Value ($000) $41,910 Avg Close — Range —
Q3 2018
Shares 1,457,602 Value ($000) $63,333 Avg Close — Range —
Q2 2018
Shares 150,270 Value ($000) $5,136 Avg Close — Range —