ALLIANT ENERGY CORP

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

CSS LLC/IL's Holding History (CIK: 0001103646)

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

Q4 2025
Shares 7,585,000 Value ($000) $7,894 Avg Close — Range —
Q3 2025
Shares 2,431,000 Value ($000) $2,611 Avg Close — Range —
Q2 2025
Shares 59,000 Value ($000) $61 Avg Close — Range —
Q1 2025
Shares 16,449,000 Value ($000) $17,701 Avg Close — Range —
Q4 2024
Shares 9,500,000 Value ($000) $9,753 Avg Close — Range —
Q3 2024
Shares 5,500,000 Value ($000) $5,752 Avg Close — Range —