‹ All questions

CMS Energy vs Alliant Energy: which stock is doing better?

CMS Energy and Alliant Energy are business rivals. Where they compete: regulated combined electric and gas utility in the Midwest. Here is how the two stocks, and the businesses behind them, compare over the past year.

Updated Oct 9, 2026

39
LNT P3

Close call

On Stox’s P3 score, CMS Energy rates 37 and Alliant Energy 39, too close to call. Over the past year CMS Energy is −11% and Alliant Energy −3%, against +16% for the S&P 500. CMS Energy has grown revenue faster, +13% against +8%. Both are the Broken Year type.

CMS P3 37LNT P3 39Both in Utilities

The past year

CMS against LNT, each set to $100 a year ago. Select a measure in the table below to chart it for both.

CMS against LNT, past year
$100 a year ago. CMS −11%, LNT −3%.
90100110NovDecJanFebMarAprMayJunJulAugSepOct
CMSLNT

CMS and LNT side by side

Ahead marks the stronger reading on each line; for the typical day and the deepest fall it marks the steadier stock. Select a row with a chart to see both over the year.

MeasureCMSLNTAhead
Past 3 months
Share price change
−14%−14%CMS
Past month
Share price change
−3%−2%LNT
Revenue growth
Past four quarters against the year before
+13%+8%CMS
Operating margin
Operating profit as a share of revenue, past four quarters
20%23%LNT
Deepest fall
From a high, past year
−22%−19%LNT, held up
Market value
What the market values the company at
$20.5B$17.0B
Type
Its Stox Atlas type
Broken YearBroken Year
Group
Stocks it moves with
UtilitiesUtilitiesSame group

How to read this page

How it’s measured. Scores from Stox rank each stock against about 1,200 large US stocks and funds, where 100 is best; P3 combines market beat, staying power and business growth. Returns are share-price changes. The typical day is the average true range over 14 days as a share of the price, averaged over the past year.

Sources. Daily prices and company financial statements from Financial Modeling Prep; scores and curated rivals from Stox.

A higher score describes a stronger past year, not what comes next.

Rivals are chosen by the markets the two businesses compete in, not by sector labels.

For financial statements, valuation and news, see CMS and LNT on Stox.

This page is information, not investment advice. About our data and methods ›

More head-to-heads

See all questions ›