ALTAIR ENGR INC

CUSIP: 021369103 Class: Common Stock

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2024
Shares 14,200 Value ($000) $1,549 Avg Close — Range —
Q3 2024
Shares 14,100 Value ($000) $1,347 Avg Close — Range —
Q2 2024
Shares 13,700 Value ($000) $1,344 Avg Close — Range —