ALTAIR ENGR INC

CUSIP: 021369AC7 Class: NOTE 1.750% 6/1

ADVENT CAPITAL MANAGEMENT /DE/'s Holding History (CIK: 0001097278)

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

Q4 2023
Shares 6,166,000 Value ($000) $8,000 Avg Close — Range —
Q3 2023
Shares 5,988,000 Value ($000) $6,365 Avg Close — Range —