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Side-by-side financial comparison of AAR CORP (AIR) and Alliant Energy (LNT). Click either name above to swap in a different company.

Alliant Energy is the larger business by last-quarter revenue ($1.1B vs $795.3M, roughly 1.3× AAR CORP). Alliant Energy runs the higher net margin — 13.4% vs 4.4%, a 9.0% gap on every dollar of revenue. On growth, AAR CORP posted the faster year-over-year revenue change (15.9% vs 9.0%).

AAR Corp. is an American provider of aircraft maintenance services to commercial and government customers worldwide. The company is headquartered in Wood Dale, Illinois, a Chicago suburb. The company employs about 6,000 people, operating in about 30 different countries. John Holmes is the current CEO.

Alliant Energy Corporation operates as a utility holding company that provides regulated electricity and natural gas services. It operates through three segments: Utility Electric Operations, Utility Gas Operations, and Utility Other. The company, through its subsidiary, Interstate Power and Light Company (IPL), primarily generates and distributes electricity, and distributes and transports natural gas to retail customers in Iowa; sells electricity to wholesale customers in Minnesota, Illinoi...

AIR vs LNT — Head-to-Head

Bigger by revenue
LNT
LNT
1.3× larger
LNT
$1.1B
$795.3M
AIR
Growing faster (revenue YoY)
AIR
AIR
+6.9% gap
AIR
15.9%
9.0%
LNT
Higher net margin
LNT
LNT
9.0% more per $
LNT
13.4%
4.4%
AIR

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
AIR
AIR
LNT
LNT
Revenue
$795.3M
$1.1B
Net Profit
$34.6M
$142.0M
Gross Margin
19.7%
85.9%
Operating Margin
6.0%
18.4%
Net Margin
4.4%
13.4%
Revenue YoY
15.9%
9.0%
Net Profit YoY
213.1%
-5.3%
EPS (diluted)
$0.90
$0.54

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
AIR
AIR
LNT
LNT
Q4 25
$795.3M
$1.1B
Q3 25
$739.6M
$1.2B
Q2 25
$961.0M
Q1 25
$1.1B
Q4 24
$975.0M
Q3 24
$1.1B
Q2 24
$894.0M
Q1 24
$1.0B
Net Profit
AIR
AIR
LNT
LNT
Q4 25
$34.6M
$142.0M
Q3 25
$34.4M
$281.0M
Q2 25
$174.0M
Q1 25
$213.0M
Q4 24
$150.0M
Q3 24
$295.0M
Q2 24
$87.0M
Q1 24
$158.0M
Gross Margin
AIR
AIR
LNT
LNT
Q4 25
19.7%
85.9%
Q3 25
18.1%
86.3%
Q2 25
84.3%
Q1 25
86.0%
Q4 24
84.7%
Q3 24
84.7%
Q2 24
83.6%
Q1 24
85.3%
Operating Margin
AIR
AIR
LNT
LNT
Q4 25
6.0%
18.4%
Q3 25
6.4%
28.8%
Q2 25
23.2%
Q1 25
22.8%
Q4 24
22.7%
Q3 24
29.0%
Q2 24
14.5%
Q1 24
21.5%
Net Margin
AIR
AIR
LNT
LNT
Q4 25
4.4%
13.4%
Q3 25
4.7%
23.2%
Q2 25
18.1%
Q1 25
18.9%
Q4 24
15.4%
Q3 24
27.3%
Q2 24
9.7%
Q1 24
15.3%
EPS (diluted)
AIR
AIR
LNT
LNT
Q4 25
$0.90
$0.54
Q3 25
$0.95
$1.09
Q2 25
$0.68
Q1 25
$0.83
Q4 24
$0.58
Q3 24
$1.15
Q2 24
$0.34
Q1 24
$0.62

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
AIR
AIR
LNT
LNT
Cash + ST InvestmentsLiquidity on hand
$75.6M
$556.0M
Total DebtLower is stronger
$952.7M
Stockholders' EquityBook value
$1.6B
$7.3B
Total Assets
$3.2B
$25.0B
Debt / EquityLower = less leverage
0.61×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AIR
AIR
LNT
LNT
Q4 25
$75.6M
$556.0M
Q3 25
$80.0M
$753.0M
Q2 25
$329.0M
Q1 25
$25.0M
Q4 24
$81.0M
Q3 24
$827.0M
Q2 24
$92.0M
Q1 24
$32.0M
Total Debt
AIR
AIR
LNT
LNT
Q4 25
$952.7M
Q3 25
$1.0B
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AIR
AIR
LNT
LNT
Q4 25
$1.6B
$7.3B
Q3 25
$1.2B
$7.3B
Q2 25
$7.1B
Q1 25
$7.1B
Q4 24
$7.0B
Q3 24
$7.0B
Q2 24
$6.8B
Q1 24
$6.8B
Total Assets
AIR
AIR
LNT
LNT
Q4 25
$3.2B
$25.0B
Q3 25
$2.9B
$24.6B
Q2 25
$23.8B
Q1 25
$22.9B
Q4 24
$22.7B
Q3 24
$22.8B
Q2 24
$21.8B
Q1 24
$21.2B
Debt / Equity
AIR
AIR
LNT
LNT
Q4 25
0.61×
Q3 25
0.82×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
AIR
AIR
LNT
LNT
Operating Cash FlowLast quarter
$13.6M
$269.0M
Free Cash FlowOCF − Capex
$6.2M
FCF MarginFCF / Revenue
0.8%
Capex IntensityCapex / Revenue
0.9%
Cash ConversionOCF / Net Profit
0.39×
1.89×
TTM Free Cash FlowTrailing 4 quarters

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AIR
AIR
LNT
LNT
Q4 25
$13.6M
$269.0M
Q3 25
$-44.9M
$408.0M
Q2 25
$243.0M
Q1 25
$249.0M
Q4 24
$254.0M
Q3 24
$351.0M
Q2 24
$255.0M
Q1 24
$307.0M
Free Cash Flow
AIR
AIR
LNT
LNT
Q4 25
$6.2M
Q3 25
$-53.6M
$-103.0M
Q2 25
$-179.0M
Q1 25
$-305.0M
Q4 24
Q3 24
$-59.0M
Q2 24
$-137.0M
Q1 24
$-171.0M
FCF Margin
AIR
AIR
LNT
LNT
Q4 25
0.8%
Q3 25
-7.2%
-8.5%
Q2 25
-18.6%
Q1 25
-27.0%
Q4 24
Q3 24
-5.5%
Q2 24
-15.3%
Q1 24
-16.6%
Capex Intensity
AIR
AIR
LNT
LNT
Q4 25
0.9%
Q3 25
1.2%
42.2%
Q2 25
43.9%
Q1 25
49.1%
Q4 24
Q3 24
37.9%
Q2 24
43.8%
Q1 24
46.4%
Cash Conversion
AIR
AIR
LNT
LNT
Q4 25
0.39×
1.89×
Q3 25
-1.31×
1.45×
Q2 25
1.40×
Q1 25
1.17×
Q4 24
1.69×
Q3 24
1.19×
Q2 24
2.93×
Q1 24
1.94×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

AIR
AIR

Commercial Customer$268.1M34%
Repair And Engineering$244.5M31%
Integrated Solutions$175.8M22%
Government And Defense Customer$85.5M11%
Expeditionary Services$21.4M3%

LNT
LNT

Retail Residential$313.0M29%
Retail Industrial$251.0M24%
Retail Commercial$226.0M21%
Gas$158.0M15%
Other Customer$43.0M4%
Wholesale$36.0M3%
Other Utility$15.0M1%
Steam$9.0M1%

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