ALLIANT ENERGY CORP

CUSIP: 018802AC2 Class: NOTE 3.875% 3/1

Calamos Advisors LLC's Holding History (CIK: 0001316507)

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

Q4 2025
Shares 26,107,000 Value ($000) $27,199 Avg Close — Range —
Q3 2025
Shares 26,030,000 Value ($000) $28,031 Avg Close — Range —
Q2 2025
Shares 26,030,000 Value ($000) $26,806 Avg Close — Range —
Q1 2025
Shares 26,030,000 Value ($000) $27,953 Avg Close — Range —
Q4 2024
Shares 26,030,000 Value ($000) $26,763 Avg Close — Range —
Q3 2024
Shares 38,706,000 Value ($000) $40,538 Avg Close — Range —
Q2 2024
Shares 38,554,000 Value ($000) $38,061 Avg Close — Range —
Q1 2024
Shares 38,482,000 Value ($000) $37,974 Avg Close — Range —