Analyze Portfolio
Nasdaq · Utilities

ALLIANT ENERGY CORP (LNT)

As-reported financials and recent SEC filings for ALLIANT ENERGY CORP, latest fiscal period FY2025. Financial statements come straight from the company’s EDGAR filings; valuation figures such as P/E and market cap use market data.

About ALLIANT ENERGY CORP

Alliant Energy Corp operates as a regulated public utility holding company serving customers in the Midwest. It provides electric and natural gas services to about 1,010,000 electric and 435,000 natural gas customers through its subsidiaries IPL and WPL, which operate in Iowa and Wisconsin respectively. The company also manages non-utility holdings including transmission interests, wind farms, and supply chain solutions.

Snapshot

Revenue
$4.36B
Revenue growth (YoY)
9.6%
Net income
$810.0M
Diluted EPS
$3.14
Gross margin
85.7%
Operating margin
23.5%
Net margin
18.6%
FCF margin
ROE
11.0%
P/E (TTM)
23.2×
Market cap
$19.09B
Debt / equity
1.5×

Fundamentals are from SEC filings. P/E and market cap are derived from recent market prices, refreshed on a rolling basis (typically within the past week).

What changed at Alliant Energy

  • Revenue grew 9.6% to $4.4B in FY2025, after a 1.1% decline the year before.
  • Operating margin is 23.5% in FY2025, +1.8 pp against 21.7% in FY2021.
  • Most recent quarter Q1 FY2026: revenue $1.2B, up 5.0% from Q1 FY2025.
  • Net income rose 17.4% to $810M in FY2025.

Computed from the as-reported figures in the statements below. A change we cannot state from filed figures is left out rather than estimated.

Peer comparison

Where Alliant Energy’s fundamentals sit among the 98 Utilities companies. Each figure is ranked only against peers that report it, from lowest (left) to highest (right).

Gross margin85.7%
92nd percentile of 26
Operating margin23.5%
62nd percentile of 86
Net margin18.6%
79th percentile of 91
Revenue growth (YoY)+9.6%
54th percentile of 94
ROE11.0%
74th percentile of 89
P/E (TTM)23.2×
55th percentile of 83
Debt / equity1.49×
71st percentile of 84
Short interest12.75d
95th percentile of 98

Alliant Energy’s gross margin of 85.7% ranks in the 92nd percentile of the 26 Utilities companies reporting it.

No open-market insider transactions recorded in the last 90 days. For context, about 16% of companies in the universe saw any open-market insider buying in the same window. Browse insider activity →

Percentiles describe where a figure sits among sector peers reporting it (100th = highest). They are position within a peer group, not a rating, and not investment advice. Short interest ranking uses days to cover from FINRA Consolidated Short Interest data; FINRA is the owner and source of that data, included at no additional charge.

Institutional ownership

Held by 2 of the superinvestors we track (plus 7 quant / multi-strat books), based on each investor’s most recent 13F (latest Q1 2026).

Conviction investors
2
+7 quant / multi-strat
Initiated / added
7
1 new, 6 added
Reduced / exited
2
2 trimmed, 0 exited
Combined position
$260.2M
reported long value
InvestorAs ofPosition valueSharesChange
Point72 Asset ManagementquantQ1 2026$89.2M1.2MAdded
Renaissance TechnologiesquantQ1 2026$51.0M710.7KAdded
D. E. ShawquantQ1 2026$43.4M604.2KAdded
Gotham Asset ManagementQ1 2026$26.8M373.3KAdded
Citadel AdvisorsquantQ1 2026$20.8M289.9KReduced
Millennium ManagementquantQ1 2026$14.6M203.4KAdded
AQR Capital ManagementquantQ1 2026$8.1M114.5KAdded
Two Sigma InvestmentsquantQ1 2026$4.9M68.9KReduced
Soros Fund ManagementQ1 2026$1.3M18.5KNew

From quarterly Form 13F filings, which can be up to 45 days delayed. Long US-listed positions only: excludes short positions, options, cash, bonds, and non-US holdings, so this is not a manager’s complete portfolio. Counts are of the investors we track, not all institutions. Not investment advice.

Short interest

Total shares sold short as of each twice-monthly FINRA settlement. Rising short interest means more investors are positioned against the stock; days to cover estimates how many trading days of average volume that position represents.

Shares short
28.0M
settled 2026-07-15
Change vs prior
-0.1%
vs previous settlement
Days to cover
12.75
at avg daily volume
Avg daily volume
2.2M
FINRA reported
SettlementShares shortChangeDays to cover
2026-07-1528.0M-0.1%12.75
2026-06-3028.0M+9.4%9.73
2026-06-1525.6M+6.0%10.95
2026-05-2924.1M+8.5%10.23
2026-05-1522.2M+2.0%7.86
2026-04-3021.8M+4.7%10.80
2026-04-1520.8M+0.5%12.28
2026-03-3120.7M+1.0%10.01

Source: FINRA Consolidated Short Interest. FINRA is the owner and source of the FINRA-supplied data, which is included at no additional charge for your own personal or professional use; republishing or redistributing it is not permitted. Settlement dates are shown; FINRA publishes each settlement about nine business days later, so the latest figure can be two to four weeks old. Not presented as a percentage of float. No FINRA endorsement of this product is implied. Not investment advice.

Income statement (as reported)

 FY2025FY2024FY2023FY2022FY2021
Revenue$4.36B$3.98B$4.03B$4.21B$3.67B
Gross profit$3.74B$3.37B$3.44B$3.63B$3.13B
Operating income$1.02B$886.0M$943.0M$928.0M$795.0M
Net income$810.0M$690.0M$703.0M$686.0M$674.0M
Diluted EPS$3.14$2.69$2.78$2.73$2.63

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full methodology.

Balance sheet (as reported)

 FY2025FY2024FY2023FY2022FY2021
Cash and equivalents$556.0M$81.0M$62.0M$20.0M$39.0M
Current assets$1.70B$1.18B$1.27B$1.25B$1.07B
Total assets$24.99B$22.71B$21.24B$20.16B$18.55B
Current liabilities$2.12B$2.71B$2.30B$2.36B$2.05B
Long-term debt$10.95B$8.68B$8.22B$7.67B$6.74B
Total liabilities$17.66B$15.71B$14.46B$13.89B$12.56B
Total equity$7.33B$7.00B$6.78B$6.28B$5.99B

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full methodology.

Cash flow (as reported)

 FY2025FY2024FY2023FY2022FY2021
Operating cash flow$1.17B$1.17B$867.0M$486.0M$582.0M
Capital expenditure$1.48B$1.17B
Free cash flow$-998.0M$-587.0M

Figures as reported to the SEC. Underlined values link to the filing they came from; dotted values are calculated by us from reported figures; “adj” means restated for a stock split (hover to see the figure as filed). Full methodology.

Quarterly trend (as reported)

QuarterRevenueRevenue YoYNet incomeDiluted EPS
Q1 FY2026$1.18B5.0%$224.0M$0.87
Q4 FY2025$1.06B9.0%$142.0M$0.55
Q3 FY2025$1.21B11.9%$281.0M$1.09
Q2 FY2025$961.0M7.5%$174.0M$0.68
Q1 FY2025$1.13B9.4%$213.0M$0.83
Q4 FY2024$976.0M1.6%$150.0M$0.58
Q3 FY2024$1.08B$295.0M$1.15
Q2 FY2024$894.0M$87.0M$0.34

Latest 8 reported quarters, from company XBRL filings on SEC EDGAR.

Company facts

ExchangeNasdaq
SectorUtilities
SIC industryElectric & Other Services Combined
Fiscal year endDecember 31
Latest fiscal periodFY2025
SEC filings since2013
SEC CIK352541

Recent SEC filings

10-K2026-02-20
View on EDGAR →
10-K2025-02-21
View on EDGAR →
10-Q2026-05-01
View on EDGAR →
10-Q2025-11-07
View on EDGAR →
10-Q2025-08-08
View on EDGAR →
10-Q2025-05-09
View on EDGAR →
8-K2026-05-21
View on EDGAR →
8-K2026-05-01
View on EDGAR →

Largest Utilities peers

All Utilities companies →

Monitor LNT

Get an alert when Alliant Energy files something material, see which superinvestors own it, and ask its filings a question with cited answers.

Monitor LNT free

Includes one free filing-grounded research answer. Or check your whole portfolio, no account needed.

Data sourced from SEC EDGAR (public domain). Figures are as-reported and may be unaudited or restated; verify against the source filing before relying on them. Informational only. Not investment advice.