ALLIANT ENERGY CORP

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

CAPSTONE INVESTMENT ADVISORS, LLC's Holding History (CIK: 0001426196)

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

Q4 2025
Shares 12,000,000 Value ($000) $12,498 Avg Close — Range —
Q3 2025
Shares 12,000,000 Value ($000) $12,936 Avg Close — Range —
Q2 2025
Shares 12,000,000 Value ($000) $12,354 Avg Close — Range —
Q1 2025
Shares 10,000,000 Value ($000) $10,715 Avg Close — Range —
Q4 2024
Shares 10,000,000 Value ($000) $10,310 Avg Close — Range —
Q3 2024
Shares 10,000,000 Value ($000) $10,495 Avg Close — Range —
Q2 2024
Shares 10,000,000 Value ($000) $9,895 Avg Close — Range —
Q1 2024
Shares 20,000,000 Value ($000) $19,770 Avg Close — Range —