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Side-by-side financial comparison of AIR LEASE CORP (AL) and FOSTER L B CO (FSTR). Click either name above to swap in a different company.

FOSTER L B CO is the larger business by last-quarter revenue ($160.4M vs $140.8M, roughly 1.1× AIR LEASE CORP). AIR LEASE CORP runs the higher net margin — 128.5% vs 1.5%, a 127.0% gap on every dollar of revenue. On growth, AIR LEASE CORP posted the faster year-over-year revenue change (90.4% vs 25.1%). AIR LEASE CORP produced more free cash flow last quarter ($342.1M vs $19.8M). Over the past eight quarters, AIR LEASE CORP's revenue compounded faster (69.6% CAGR vs 13.6%).

Air Lease Corporation (ALC) is an American aircraft leasing company founded in 2010 and headed by Steven F. Udvar-Házy. Air Lease purchases new commercial aircraft through direct orders from Boeing, Airbus, Embraer and ATR, and leases them to its airline customers worldwide through specialized aircraft leasing and financing.

Foster L B Co. is a U.S.-headquartered industrial manufacturing firm that develops, produces and distributes engineered access solutions, construction components, and rail infrastructure products. It serves commercial construction, transportation, and industrial end markets across North America and selected international regions.

AL vs FSTR — Head-to-Head

Bigger by revenue
FSTR
FSTR
1.1× larger
FSTR
$160.4M
$140.8M
AL
Growing faster (revenue YoY)
AL
AL
+65.3% gap
AL
90.4%
25.1%
FSTR
Higher net margin
AL
AL
127.0% more per $
AL
128.5%
1.5%
FSTR
More free cash flow
AL
AL
$322.3M more FCF
AL
$342.1M
$19.8M
FSTR
Faster 2-yr revenue CAGR
AL
AL
Annualised
AL
69.6%
13.6%
FSTR

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AL
AL
FSTR
FSTR
Revenue
$140.8M
$160.4M
Net Profit
$180.9M
$2.4M
Gross Margin
19.7%
Operating Margin
4.9%
Net Margin
128.5%
1.5%
Revenue YoY
90.4%
25.1%
Net Profit YoY
60.2%
1098.3%
EPS (diluted)
$1.49
$0.22

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
AL
AL
FSTR
FSTR
Q4 25
$140.8M
$160.4M
Q3 25
$44.5M
$138.3M
Q2 25
$53.0M
$143.6M
Q1 25
$92.9M
$97.8M
Q4 24
$74.0M
$128.2M
Q3 24
$65.0M
$137.5M
Q2 24
$57.8M
$140.8M
Q1 24
$49.0M
$124.3M
Net Profit
AL
AL
FSTR
FSTR
Q4 25
$180.9M
$2.4M
Q3 25
$146.5M
$4.4M
Q2 25
$385.2M
$2.9M
Q1 25
$375.8M
$-2.1M
Q4 24
$112.9M
$-242.0K
Q3 24
$104.0M
$35.9M
Q2 24
$102.9M
$2.8M
Q1 24
$107.9M
$4.4M
Gross Margin
AL
AL
FSTR
FSTR
Q4 25
19.7%
Q3 25
22.5%
Q2 25
21.5%
Q1 25
20.6%
Q4 24
22.3%
Q3 24
23.8%
Q2 24
21.7%
Q1 24
21.1%
Operating Margin
AL
AL
FSTR
FSTR
Q4 25
4.9%
Q3 25
6.0%
Q2 25
5.3%
Q1 25
-2.0%
Q4 24
2.4%
Q3 24
5.3%
Q2 24
3.2%
Q1 24
4.5%
Net Margin
AL
AL
FSTR
FSTR
Q4 25
128.5%
1.5%
Q3 25
329.2%
3.1%
Q2 25
726.9%
2.0%
Q1 25
404.5%
-2.2%
Q4 24
152.7%
-0.2%
Q3 24
160.0%
26.1%
Q2 24
178.2%
2.0%
Q1 24
220.2%
3.6%
EPS (diluted)
AL
AL
FSTR
FSTR
Q4 25
$1.49
$0.22
Q3 25
$1.21
$0.40
Q2 25
$3.33
$0.27
Q1 25
$3.26
$-0.20
Q4 24
$0.83
$-0.04
Q3 24
$0.82
$3.27
Q2 24
$0.81
$0.26
Q1 24
$0.87
$0.40

Balance Sheet & Financial Strength

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

Metric
AL
AL
FSTR
FSTR
Cash + ST InvestmentsLiquidity on hand
$466.4M
$4.3M
Total DebtLower is stronger
$19.7B
$42.6M
Stockholders' EquityBook value
$8.5B
$175.3M
Total Assets
$32.9B
$330.4M
Debt / EquityLower = less leverage
2.33×
0.24×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AL
AL
FSTR
FSTR
Q4 25
$466.4M
$4.3M
Q3 25
$452.2M
$3.4M
Q2 25
$454.8M
$4.2M
Q1 25
$456.6M
$2.6M
Q4 24
$472.6M
$2.5M
Q3 24
$460.8M
$3.1M
Q2 24
$454.1M
$4.0M
Q1 24
$554.4M
$3.1M
Total Debt
AL
AL
FSTR
FSTR
Q4 25
$19.7B
$42.6M
Q3 25
$20.2B
$58.6M
Q2 25
$20.3B
$81.4M
Q1 25
$19.9B
$82.3M
Q4 24
$20.2B
$46.8M
Q3 24
$20.2B
$68.4M
Q2 24
$19.7B
$87.0M
Q1 24
$19.5B
$77.9M
Stockholders' Equity
AL
AL
FSTR
FSTR
Q4 25
$8.5B
$175.3M
Q3 25
$8.3B
$174.8M
Q2 25
$8.2B
$174.4M
Q1 25
$7.9B
$170.8M
Q4 24
$7.5B
$178.3M
Q3 24
$7.7B
$181.9M
Q2 24
$7.3B
$147.1M
Q1 24
$7.2B
$144.6M
Total Assets
AL
AL
FSTR
FSTR
Q4 25
$32.9B
$330.4M
Q3 25
$33.4B
$333.9M
Q2 25
$33.3B
$349.9M
Q1 25
$32.4B
$342.8M
Q4 24
$32.3B
$334.6M
Q3 24
$32.2B
$344.5M
Q2 24
$31.0B
$333.3M
Q1 24
$30.9B
$326.4M
Debt / Equity
AL
AL
FSTR
FSTR
Q4 25
2.33×
0.24×
Q3 25
2.42×
0.33×
Q2 25
2.47×
0.47×
Q1 25
2.53×
0.48×
Q4 24
2.68×
0.26×
Q3 24
2.63×
0.38×
Q2 24
2.69×
0.59×
Q1 24
2.69×
0.54×

Cash Flow & Capital Efficiency

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

Metric
AL
AL
FSTR
FSTR
Operating Cash FlowLast quarter
$414.1M
$22.2M
Free Cash FlowOCF − Capex
$342.1M
$19.8M
FCF MarginFCF / Revenue
242.9%
12.3%
Capex IntensityCapex / Revenue
51.1%
1.5%
Cash ConversionOCF / Net Profit
2.29×
9.18×
TTM Free Cash FlowTrailing 4 quarters
$1.5B
$25.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AL
AL
FSTR
FSTR
Q4 25
$414.1M
$22.2M
Q3 25
$458.6M
$29.2M
Q2 25
$473.6M
$10.4M
Q1 25
$388.3M
$-26.1M
Q4 24
$430.0M
$24.3M
Q3 24
$461.9M
$24.7M
Q2 24
$413.8M
$-5.0M
Q1 24
$371.3M
$-21.4M
Free Cash Flow
AL
AL
FSTR
FSTR
Q4 25
$342.1M
$19.8M
Q3 25
$412.3M
$26.4M
Q2 25
$427.1M
$7.7M
Q1 25
$315.5M
$-28.7M
Q4 24
$326.8M
$22.3M
Q3 24
$369.8M
$21.7M
Q2 24
$346.4M
$-7.0M
Q1 24
$246.8M
$-24.2M
FCF Margin
AL
AL
FSTR
FSTR
Q4 25
242.9%
12.3%
Q3 25
926.6%
19.1%
Q2 25
806.0%
5.4%
Q1 25
339.5%
-29.4%
Q4 24
441.8%
17.4%
Q3 24
569.1%
15.8%
Q2 24
599.5%
-5.0%
Q1 24
503.8%
-19.4%
Capex Intensity
AL
AL
FSTR
FSTR
Q4 25
51.1%
1.5%
Q3 25
104.1%
2.0%
Q2 25
87.8%
1.9%
Q1 25
78.4%
2.6%
Q4 24
139.6%
1.5%
Q3 24
141.7%
2.2%
Q2 24
116.7%
1.5%
Q1 24
254.3%
2.2%
Cash Conversion
AL
AL
FSTR
FSTR
Q4 25
2.29×
9.18×
Q3 25
3.13×
6.70×
Q2 25
1.23×
3.61×
Q1 25
1.03×
Q4 24
3.81×
Q3 24
4.44×
0.69×
Q2 24
4.02×
-1.74×
Q1 24
3.44×
-4.83×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AL
AL

Segment breakdown not available.

FSTR
FSTR

Rail Technologies And Services Segment$98.0M61%
Over Time Output Method$26.3M16%
Services$19.4M12%
Rail Technologies Products$10.0M6%
Over Time Input Method$8.3M5%

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