What is the 13F Pro Quality Score for LNT?

13F Pro ranks ALLIANT ENERGY CORP (LNT) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View LNT's current score at https://13fpro.ai/research/LNT (free sign-up required for the full ranking).

Which hedge funds own the most LNT stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of LNT include BlackRock,, STATE STREET, VANGUARD CAPITAL MANAGEMENT. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/LNT as soon as new 13F filings post.

Where does 13F Pro source LNT data?

All ALLIANT ENERGY CORP fundamentals and ownership data come directly from SEC EDGAR. ALLIANT ENERGY CORP files with the SEC under CIK 352541. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is LNT in?

ALLIANT ENERGY CORP (LNT) is classified in the Utilities sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/utilities.

How often is LNT research updated on 13F Pro?

LNT's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

ALLIANT ENERGY CORP(LNT)Stock Analysis

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13F Pro Quality Score

56.7/100

Rank #1,085 of 2,879 stocksTOP 50%

View Utilities peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

49.2/100

Profitability

83.7/100

Balance Sheet

61.5/100

Earnings Quality

54.8/100

Free Cash Flow

17.3/100

Institutional Flow

6.1/100

Revenue Scale

76.4/100

Dilution Risk

74.9/100

LNT Stock Analysis & AI Quality Score

AI stock analysis and institutional research for ALLIANT ENERGY CORP (LNT), a Utilities sector company. 13F Pro's AI-powered ranking engine scores LNT at 56.7/100 on a 32-signal composite quality model, placing it at rank #1,085 of 2,879 stocks — the top half of the AI-ranked universe. LNT scores in the top quartile across profitability (83.7), revenue scale (76.4). Areas of concern include institutional flow (6.1) and free cash flow (17.3), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q1 2026), ALLIANT ENERGY CORP reports quarterly revenue of $1.2B, net income of $224.0M, an operating margin of 21.0%. Top institutional holders of LNT by reported 13-F value include BlackRock,, STATE STREET, VANGUARD CAPITAL MANAGEMENT, based on the most recent SEC filings. LNT trades on the Nasdaq exchange and files with the SEC under CIK 352541. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate LNT daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for ALLIANT ENERGY CORP directly from SEC EDGAR. ALLIANT ENERGY CORP's 13F Pro composite quality score has ranged between 8 and 61 since 2021, currently 56.7 — a stable long-term trajectory across 56 quarterly and live scoring snapshots.

✦

Fun facts about ALLIANT ENERGY CORP

Quirks, history, and lore behind LNT — the kind of stuff that makes a stock memorable.

1
The Basics
A regulated electric and gas utility · mid-cap · listed on Nasdaq · headquartered in the Upper Midwest.
2
The Numbers
Serves roughly one million electric customers and nearly half a million natural gas customers, with annual revenue in the low single-digit billions.
3
The History
Traces its roots to Iowa and Wisconsin utility companies consolidated over the 20th century, eventually forming a holding company that now spans two Midwestern states.
4
The Secret
It has been steadily shifting its generation mix toward wind and solar, aiming to retire coal plants well ahead of what regulators require — a bold bet for a plain-vanilla rate-regulated utility.
5
The Lore
Its service territory sits in the heart of America's Dairyland and the Hawkeye State — meaning it literally keeps the lights on for corn fields and cheese factories.
6
The Giveaway
The ticker rhymes with a London landmark, and the company's name is a portmanteau of its two home states: Iowa and Wisconsin — it's been keeping the cheese and corn belt electrified for generations.

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Revenue

Q1 2026

$1.2B

Net Income

Q1 2026

$224.0M

Free Cash Flow

Q1 2026

$26.0M

Operating Margin

Q1 2026

21.0%

ROIC

Q1 2026

1.4%

D/E Ratio

Q1 2026

1.54

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+8.3% YoY

$4.36BFY 2025

FY20 $3.42BFY22 $4.21BFY23 $4.03BFY25 $4.36B

Net Income

+15.2% YoY

$810.0MFY 2025

FY20 $624.0MFY22 $686.0MFY23 $703.0MFY25 $810.0M

Operating Income

+8.7% YoY

$1.02BFY 2025

FY20 $740.0MFY22 $928.0MFY23 $943.0MFY25 $1.02B

EPS (Diluted)

+12.9% YoY

$3.14FY 2025

FY20 $2.47FY22 $2.73FY23 $2.78FY25 $3.14

Total Assets

+17.7% YoY

$24.99BFY 2025

FY20 $17.71BFY22 $20.16BFY23 $21.24BFY25 $24.99B

Total Debt

+33.1% YoY

$12.03BFY 2025

FY20 $6.78BFY22 $8.08BFY23 $9.03BFY25 $12.03B

Op. Cash Flow

+34.8% YoY

$1.17BFY 2025

FY20 $501.0MFY22 $486.0MFY23 $867.0MFY25 $1.17B

Metric	FY 2025	FY 2023	FY 2022	FY 2020	FY 2019	FY 2018
Revenue	$4.36B +8.3%	$4.03B -4.2%	$4.21B +23.1%	$3.42B -6.4%	$3.65B +3.2%	$3.53B
Net Income	$810.0M +15.2%	$703.0M +2.5%	$686.0M +9.9%	$624.0M +10.1%	$567.0M +8.6%	$522.0M
Operating Income	$1.02B +8.7%	$943.0M +1.6%	$928.0M +25.4%	$740.0M -4.9%	$778.0M +12.1%	$694.0M
EPS (Diluted)	$3.14 +12.9%	$2.78 +1.8%	$2.73 +10.5%	$2.47 +6.0%	$2.33 +6.4%	$2.19
Total Assets	$24.99B +17.7%	$21.24B +5.3%	$20.16B +13.9%	$17.71B +6.0%	$16.70B +8.3%	$15.43B
Total Debt	$12.03B +33.1%	$9.03B +11.9%	$8.08B +19.2%	$6.78B +9.5%	$6.19B +12.5%	$5.50B
Operating Cash Flow	$1.17B +34.8%	$867.0M +78.4%	$486.0M -3.0%	$501.0M -24.1%	$660.0M +25.0%	$528.0M

AI Insight: LNT Financial Trends

Total debt surged 22% over two years to $11.4B by Q1 2026, pressuring leverage metrics despite steady operational performance.

• Revenue showed seasonal volatility ranging from $894M in Q2 2024 to $1,210M in Q3 2025.

• Operating cash flow improved to $368M in Q1 2026 from $249M in Q1 2025.

• Total debt increased from $9.8B in Q4 2024 to $11.4B in Q1 2026.

⚠ Debt-to-equity ratio deteriorated from 1.41x in Q4 2024 to 1.54x in Q1 2026.

⚠ Net income volatility persists with Q4 results consistently weaker than Q3 peaks.

AI Insight: LNT Ratio Trends

Alliant Energy shows strong profitability with operating margins consistently above 20% since Q4 2024, though leverage has ticked up.

• Operating margin improved from 14.5% in Q2 2024 to 21.0% in Q1 2026, averaging 23.5% over the last four quarters.

• Net profit margin strengthened from 9.7% in Q2 2024 to 18.9% in Q1 2026, with TTM margin at 18.6%.

• ROIC peaked at 7.3% in Q3 2025 before moderating to 5.3% in Q1 2026, still well above the 3.1% low in Q2 2024.

⚠ Debt-to-equity ratio climbed from 1.41 in Q4 2024 to 1.64 in Q4 2025 before easing to 1.54 in Q1 2026.

⚠ Q4 2025 showed notable margin compression with operating margin dropping to 18.5% from 28.8% in Q3 2025.

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Available Research

13F Pro tracks comprehensive data for ALLIANT ENERGY CORP including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of LNT

BlackRock, Inc.
$1.8B24,499,440 sh
STATE STREET CORP
$1.2B17,010,651 sh
VANGUARD CAPITAL MANAGEMENT LLC
$1.2B16,699,462 sh
VANGUARD PORTFOLIO MANAGEMENT LLC
$1.0B14,595,006 sh
JANUS HENDERSON GROUP PLC
$809.0M11,273,621 sh
Nuveen, LLC
$533.9M7,440,386 sh
VICTORY CAPITAL MANAGEMENT INC
$519.5M7,238,864 sh
GEODE CAPITAL MANAGEMENT, LLC
$519.0M7,258,026 sh
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
$509.9M7,047,237 sh
BANK OF AMERICA CORP /DE/
$383.5M5,344,867 sh

Fund	Value	Shares
BlackRock, Inc.	$1.8B	24,499,440
STATE STREET CORP	$1.2B	17,010,651
VANGUARD CAPITAL MANAGEMENT LLC	$1.2B	16,699,462
VANGUARD PORTFOLIO MANAGEMENT LLC	$1.0B	14,595,006
JANUS HENDERSON GROUP PLC	$809.0M	11,273,621
Nuveen, LLC	$533.9M	7,440,386
VICTORY CAPITAL MANAGEMENT INC	$519.5M	7,238,864
GEODE CAPITAL MANAGEMENT, LLC	$519.0M	7,258,026
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	$509.9M	7,047,237
BANK OF AMERICA CORP /DE/	$383.5M	5,344,867

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Is LNT a good stock to buy?

13F Pro's AI-powered analysis of ALLIANT ENERGY CORP (LNT) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Utilities sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for LNT are available on the LNT stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own LNT?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling LNT. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of ALLIANT ENERGY CORP's investment landscape.