State Ledger
Company profile

ALLIANT ENERGY CORP CIK 352541

Ticker
LNT (Nasdaq)
Industry
Electric & Other Services Combined
Headquarters
Madison, WI 53718-2148
Fiscal year end
2025 (FY)
Market Data
Close
$66.96
Change
+$0.49
Change %
0.74%
Volume
119,199

LNT · trading date Oct 13, 2026 · previous close $66.47 · source: Alpaca (IEX feed, not consolidated full-market data).

Key Financials
Revenue
$4.36B
Net income
$810.00M
Total assets
$24.99B
Total liabilities
—
Stockholders' equity
$7.33B
Cash & equivalents
$556.00M
Operating income
$1.03B
Operating cash flow
$1.17B
Capital expenditures
—

Fiscal year 2025, via 10-K filed 2026-02-20. A dash means this figure wasn't reported in the source filing under a field State Ledger recognizes - not that the value is zero.

Financial Performance
Operating margin
23.5%
Net margin
18.6%
Free cash flow
—
Free cash flow margin
—
Liabilities / assets
—
Equity / assets
29.3%
CapEx / revenue
—
Operating cash flow / net income
1.44×

Derived from the fiscal year 2025 figures above. These metrics are mathematical calculations and do not represent a rating or assessment of the company.

Financial History
Fiscal yearRevenueNet incomeAssetsLiabilitiesEquity
2025 $4.36B $810.00M $24.99B — $7.33B
2024 $3.98B $690.00M $22.71B — $7.00B
2023 $4.03B $703.00M $21.24B — $6.78B
2022 $4.21B $686.00M $20.16B — $6.28B
2021 $3.67B $674.00M $18.55B — $5.99B
Company Details
SIC code
4931
State of incorporation
WI
Active filer
Yes
Most recent SEC filing
Form 8-K
2026-08-21
Financials filed via
Form 10-K
filed 2026-02-20

"Most recent SEC filing" may differ from the filing used for the financial figures above.

Location
Madison, WI 53718-2148
4902 NORTH BILTMORE LANE
Data & Methodology

SEC EDGAR submissions API (identity, collected Sep 19, 2026, 15:11 UTC) and SEC XBRL Company Facts API (financials, collected Sep 26, 2026, 16:02 UTC) · figures as originally filed, not restated · a dash always means a value wasn't reported, never a real zero.

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