ALTAIR ENGR INC

CUSIP: 021369AA1 Class: BOND

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

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

Q1 2022
Shares 4,850,000 Value ($000) $7,021 Avg Close — Range —
Q4 2021
Shares 6,500,000 Value ($000) $11,066 Avg Close — Range —
Q3 2021
Shares 6,500,000 Value ($000) $10,091 Avg Close — Range —
Q2 2021
Shares 6,500,000 Value ($000) $10,078 Avg Close — Range —
Q1 2021
Shares 6,500,000 Value ($000) $9,378 Avg Close — Range —
Q4 2020
Shares 6,500,000 Value ($000) $8,947 Avg Close — Range —
Q3 2020
Shares 6,500,000 Value ($000) $7,211 Avg Close — Range —
Q2 2020
Shares 6,000,000 Value ($000) $6,327 Avg Close — Range —
Q1 2020
Shares 12,148,000 Value ($000) $10,769 Avg Close — Range —
Q4 2019
Shares 22,140,000 Value ($000) $22,808 Avg Close — Range —
Q3 2019
Shares 15,926,000 Value ($000) $16,047 Avg Close — Range —
Q2 2019
Shares 13,661,000 Value ($000) $14,848 Avg Close — Range —