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Price · Chart
Our own end-of-day closes
25 sessions
The line runs $72.62 on 11 June through $75 on 17 July, on a scale from $72 to $80. Days the market did not trade hold the previous close, flat.
Interactive LNT price chart by TradingView (requires JavaScript).
The chart above plots the price of LNT over the range selected — one day to the full history — drawn by TradingView from their own data. Our own licensed end-of-day series holds 25 sessions over that window: $72.62 on 11 June 2026 through $75 on 17 July 2026.
Market cap
$19.4B
52-week range
$62 – $78.04
Avg volume
563.8K
Finazon · prior-day close · valuation computed from SEC EDGAR filings · as of Sep 8, 2026
About Alliant Energy Corporation
Alliant Energy is a regulated investor-owned public utility holding company based in Madison, Wisconsin. Through its subsidiaries, Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL), it provides regulated electric and natural gas services to retail and wholesale customers in Iowa and Wisconsin. Alliant Energy also holds non-utility investments through its AEF subsidiary, including interests in electric transmission companies, a non-utility wind farm, a natural gas-fired energy facility, supply chain and freight services, and development-ready industrial sites. As of December 31, 2025, IPL exited its steam business in Cedar Rapids, Iowa.
Company
CEO
Lisa M. Barton
Founded
1981
Headquarters
Madison
Exchange
NasdaqGS
Sector
Utilities
Class
Equity
Insiders Form 4
Filings 4 sets
LNT insider trades
SEC Form 4 · last 90 days · newest reported trade 10 Aug 2026
Open-market buys
0
Open-market sells
1
Net sold
$0K
Non-trade filings
0
Date
Insider
Type
Shares
Value
10 Aug 2026
DURIAN ROBERT J
EVP and CFO
Sell
0
$0K
LNT reported financials
SEC EDGAR XBRL
LNT reported revenue of $4.4B for the fiscal year ended 31 Dec 2025. Net income over the same period was $810.0M.
Figure
Reported
Period
Revenue
$4.4B
31 Dec 2025
fiscal year
Net income
$810.0M
31 Dec 2025
fiscal year
Diluted EPS
$3.14
31 Dec 2025
fiscal year
Total assets
$24.8B
31 Mar 2026
at period end
Total equity
$7.4B
31 Mar 2026
at period end
Source: SEC EDGAR XBRL company facts · latest period ended 31 Mar 2026
LNT earnings
SEC EDGAR
Date
Period
EPS
Revenue
31 Mar 2026
Q1 2026
$0.87
$1.18B
31 Dec 2025
FY 2025
$3.14
$4.36B
30 Sep 2025
Q3 2025
$1.09
$1.21B
30 Jun 2025
Q2 2025
$0.68
$961M
31 Mar 2025
Q1 2025
$0.83
$1.13B
31 Dec 2024
FY 2024
$2.69
$3.98B
30 Sep 2024
Q3 2024
$1.15
$1.08B
30 Jun 2024
Q2 2024
$0.34
$894M
Next report no date announced in SEC filings yet
Reported figures & scheduled dates · SEC EDGAR filings
11 of the 45 institutional funds we track reported a LNT position for the quarter ended 30 Jun 2026 — a combined $359.0M; the latest of those filings landed 02 Sep 2026.
Showing the 10 largest of 11 reported positions. The figures above count all of them.
Source: SEC EDGAR 13F filings
LNT fails-to-deliver
SEC CNS data
On 14 Aug 2026, 42 shares of LNT failed to deliver (about $3K) — the latest of 3 consecutive trading days with recorded fails.
Settlement date
Shares failed
Notional
% of shares out
14 Aug 2026
42
$3K
<0.001%
13 Aug 2026
28,595
$2.0M
0.011%
12 Aug 2026
7,546
$518K
0.003%
10 Aug 2026
3,197
$222K
0.001%
07 Aug 2026
251
$17K
<0.001%
05 Aug 2026
2,085
$147K
0.001%
04 Aug 2026
2,963
$211K
0.001%
31 Jul 2026
1,418
$101K
0.001%
30 Jul 2026
816
$59K
<0.001%
Source: SEC fails-to-deliver (CNS) data