ALLIANT ENERGY CORP
LNT · Electric & Other Services Combined · 258.3M shares · +1%/yr ↑ shares · EDGAR filings ↗
Grade
B74Alliant Energy is a solid regulated electric/gas utility with above-average returns and margins but typical utility leverage.
Strengths
- ROE 11% (81st pct) and ROA 3.2% (84th pct) with net margin at the 100th pct and 17% net income growth
- High gross/operating margins (92nd/82nd pct) typical of a rate-regulated franchise
Risks
- Thin interest coverage (2.0x, 30th pct) and debt/equity 1.49 amid heavy capex
- Current ratio 0.80 — modest liquidity
Notable findings
- Exec changeRecent 8-K item 5.02 8-K ↗
- Weak liquidityCurrent ratio 0.80 (<1)
Quarterly revenue
Last 4 quarters · from SEC filings.
Key metrics
Gross margin
85.7%
Operating margin
23.5%
Net margin
18.6%
Return on equity
11.0%
Return on assets
3.2%
ROIC
4.4%
Revenue growth (QoQ)
11.3%
Net-income growth
17.4%
Debt / equity
1.5×
Net debt / EBITDA
5.2×
Interest coverage
2.0×
Current ratio
0.8×
EBITDA
$1.9B
Tangible book value
$7.3B
Cash & investments
$1.2B
Stock comp / revenue
0.5%
Insider transactions · last 18 months
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| 2026-04-15 | Smyth Antonio P | Tax withheld | 1.3K | $72.18 |
| 2026-02-19 | Valcq Rebecca C. | Tax withheld | 438 | $70.01 |
| 2026-02-19 | Valcq Rebecca C. | Grant | 1.0K | — |
| 2026-02-19 | Syse Dylan | Grant | 1.1K | — |
| 2026-02-19 | Syse Dylan | Grant | 750 | — |
| 2026-02-19 | Syse Dylan | Tax withheld | 506 | $70.01 |
| 2026-02-19 | Farlinger Mayuri | Grant | 3.0K | — |
| 2026-02-19 | Farlinger Mayuri | Grant | 1.1K | — |
| 2026-02-19 | Farlinger Mayuri | Tax withheld | 1.2K | $70.01 |
| 2026-02-19 | Smyth Antonio P | Grant | 13K | — |
| 2026-02-19 | Smyth Antonio P | Grant | 5.2K | — |
| 2026-02-19 | Smyth Antonio P | Tax withheld | 6.2K | $70.01 |
| 2026-02-19 | Sundararajan Raja | Grant | 19K | — |
| 2026-02-19 | Sundararajan Raja | Grant | 8.8K | — |
| 2026-02-19 | Sundararajan Raja | Tax withheld | 11K | $70.01 |
| 2026-02-19 | de Leon David A | Grant | 8.6K | — |
| 2026-02-19 | de Leon David A | Grant | 2.3K | — |
| 2026-02-19 | de Leon David A | Tax withheld | 5.2K | $70.01 |
| 2026-02-19 | Barton Lisa M | Grant | 48K | — |
| 2026-02-19 | Barton Lisa M | Grant | 30K | — |
| 2026-02-19 | Barton Lisa M | Tax withheld | 29K | $70.01 |
| 2026-02-19 | DURIAN ROBERT J | Grant | 28K | — |
| 2026-02-19 | DURIAN ROBERT J | Grant | 6.0K | — |
| 2026-02-19 | DURIAN ROBERT J | Tax withheld | 17K | $70.01 |
| 2025-04-15 | Smyth Antonio P | Grant | 9.7K | — |
| 2025-02-20 | Bilitz Benjamin M | Grant | 1.6K | — |
| 2025-02-20 | Bilitz Benjamin M | Grant | 937 | — |
| 2025-02-20 | Bilitz Benjamin M | Tax withheld | 1.3K | $61.62 |
| 2025-02-20 | DURIAN ROBERT J | Grant | 9.5K | — |
| 2025-02-20 | DURIAN ROBERT J | Grant | 6.5K | — |
| 2025-02-20 | DURIAN ROBERT J | Tax withheld | 7.4K | $61.62 |
| 2025-02-20 | de Leon David A | Grant | 3.3K | — |
| 2025-02-20 | de Leon David A | Grant | 2.5K | — |
| 2025-02-20 | de Leon David A | Tax withheld | 2.6K | $61.62 |
| 2025-02-20 | Farlinger Mayuri | Grant | 1.0K | — |
| 2025-02-20 | Farlinger Mayuri | Grant | 1.2K | — |
| 2025-02-20 | Farlinger Mayuri | Tax withheld | 560 | $61.62 |
| 2025-02-20 | LARSEN JOHN O | Grant | 32K | — |
| 2025-02-20 | LARSEN JOHN O | Tax withheld | 24K | $61.62 |
| 2025-02-20 | Barton Lisa M | Grant | 21K | — |
| 2025-02-20 | Sundararajan Raja | Grant | 5.8K | — |
All non-derivative Form 4 activity (SEC), newest first.
Notable events (8-K)
| Date | Items | |
|---|---|---|
| 2026-05-21 | Shareholder vote | filing ↗ |
| 2026-05-01 | ResultsExhibits | filing ↗ |
| 2026-03-19 | Material agreementExhibits | filing ↗ |
| 2026-03-04 | Material agreementDebt obligationExhibits | filing ↗ |
| 2026-02-20 | ResultsExhibits | filing ↗ |
| 2026-01-08 | Exec/director change | filing ↗ |
| 2025-12-16 | Exec/director change | filing ↗ |
| 2025-12-05 | OtherExhibits | filing ↗ |
Recent filings
| Form | Filed | Period | Accession |
|---|---|---|---|
| 8-K | 2026-05-21 | 2026-05-20 | 0000352541-26-000036 ↗ |
| 8-K | 2026-05-01 | 2026-04-30 | 0000352541-26-000030 ↗ |
| 10-Q | 2026-05-01 | 2026-03-31 | 0000352541-26-000033 ↗ |
| 8-K | 2026-03-19 | 2026-03-19 | 0001193125-26-116244 ↗ |
| 8-K | 2026-03-04 | 2026-03-02 | 0000352541-26-000009 ↗ |
| 8-K | 2026-02-20 | 2026-02-19 | 0000352541-26-000005 ↗ |
| 10-K | 2026-02-20 | 2025-12-31 | 0000352541-26-000007 ↗ |
| 8-K | 2026-01-08 | 2026-01-05 | 0000352541-26-000003 ↗ |
| 8-K | 2025-12-16 | 2025-12-10 | 0000352541-25-000089 ↗ |
| 8-K | 2025-12-05 | 2025-12-02 | 0000352541-25-000085 ↗ |
| 8-K | 2025-11-07 | 2025-11-06 | 0000352541-25-000079 ↗ |
| 10-Q | 2025-11-07 | 2025-09-30 | 0000352541-25-000081 ↗ |