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Side-by-side financial comparison of RAMBUS INC (RMBS) and WILLIS LEASE FINANCE CORP (WLFC). Click either name above to swap in a different company.

WILLIS LEASE FINANCE CORP is the larger business by last-quarter revenue ($193.6M vs $180.2M, roughly 1.1× RAMBUS INC). On growth, WILLIS LEASE FINANCE CORP posted the faster year-over-year revenue change (26.7% vs 8.1%). Over the past eight quarters, WILLIS LEASE FINANCE CORP's revenue compounded faster (27.5% CAGR vs 16.8%).

Rambus Inc. is an American technology company that designs, develops and licenses chip interface technologies and architectures that are used in digital electronics products. The company, founded in 1990, is well known for inventing RDRAM and for its intellectual property-based litigation following the introduction of DDR-SDRAM memory.

Willis Lease Finance Corp is a leading global independent provider of commercial aviation asset solutions. It primarily leases and sells commercial aircraft engines, auxiliary power units and other aviation spare parts, serving airline operators, MRO providers and other aviation industry participants across major global markets.

RMBS vs WLFC — Head-to-Head

Bigger by revenue
WLFC
WLFC
1.1× larger
WLFC
$193.6M
$180.2M
RMBS
Growing faster (revenue YoY)
WLFC
WLFC
+18.6% gap
WLFC
26.7%
8.1%
RMBS
Faster 2-yr revenue CAGR
WLFC
WLFC
Annualised
WLFC
27.5%
16.8%
RMBS

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
RMBS
RMBS
WLFC
WLFC
Revenue
$180.2M
$193.6M
Net Profit
$59.9M
Gross Margin
79.7%
Operating Margin
34.3%
7.3%
Net Margin
33.2%
Revenue YoY
8.1%
26.7%
Net Profit YoY
-7.3%
EPS (diluted)
$0.55
$1.50

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
RMBS
RMBS
WLFC
WLFC
Q1 26
$180.2M
Q4 25
$190.2M
$193.6M
Q3 25
$178.5M
$183.4M
Q2 25
$172.2M
$195.5M
Q1 25
$166.7M
$157.7M
Q4 24
$161.1M
$152.8M
Q3 24
$145.5M
$146.2M
Q2 24
$132.1M
$151.1M
Net Profit
RMBS
RMBS
WLFC
WLFC
Q1 26
$59.9M
Q4 25
$63.8M
Q3 25
$48.4M
$24.3M
Q2 25
$57.9M
$60.4M
Q1 25
$60.3M
$16.9M
Q4 24
$62.2M
Q3 24
$48.7M
$24.1M
Q2 24
$36.1M
$42.6M
Gross Margin
RMBS
RMBS
WLFC
WLFC
Q1 26
79.7%
Q4 25
78.9%
Q3 25
79.5%
Q2 25
79.8%
Q1 25
80.3%
Q4 24
80.4%
Q3 24
80.7%
Q2 24
79.7%
Operating Margin
RMBS
RMBS
WLFC
WLFC
Q1 26
34.3%
Q4 25
37.2%
7.3%
Q3 25
35.4%
20.7%
Q2 25
36.6%
14.5%
Q1 25
37.9%
15.2%
Q4 24
35.9%
19.2%
Q3 24
37.6%
23.0%
Q2 24
30.5%
35.8%
Net Margin
RMBS
RMBS
WLFC
WLFC
Q1 26
33.2%
Q4 25
33.6%
Q3 25
27.1%
13.3%
Q2 25
33.6%
30.9%
Q1 25
36.2%
10.7%
Q4 24
38.6%
Q3 24
33.4%
16.5%
Q2 24
27.3%
28.2%
EPS (diluted)
RMBS
RMBS
WLFC
WLFC
Q1 26
$0.55
Q4 25
$0.58
$1.50
Q3 25
$0.44
$3.25
Q2 25
$0.53
$8.43
Q1 25
$0.56
$2.21
Q4 24
$0.57
$2.76
Q3 24
$0.45
$3.37
Q2 24
$0.33
$6.21

Balance Sheet & Financial Strength

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

Metric
RMBS
RMBS
WLFC
WLFC
Cash + ST InvestmentsLiquidity on hand
$134.3M
$16.4M
Total DebtLower is stronger
$2.7B
Stockholders' EquityBook value
$662.1M
Total Assets
$1.5B
$3.9B
Debt / EquityLower = less leverage
4.08×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RMBS
RMBS
WLFC
WLFC
Q1 26
$134.3M
Q4 25
$182.8M
$16.4M
Q3 25
$79.2M
$12.9M
Q2 25
$87.8M
$37.3M
Q1 25
$132.2M
$32.4M
Q4 24
$99.8M
$9.1M
Q3 24
$114.0M
$5.8M
Q2 24
$124.6M
$5.0M
Total Debt
RMBS
RMBS
WLFC
WLFC
Q1 26
Q4 25
$2.7B
Q3 25
$2.2B
Q2 25
$2.8B
Q1 25
$2.2B
Q4 24
$2.3B
Q3 24
$2.0B
Q2 24
$1.9B
Stockholders' Equity
RMBS
RMBS
WLFC
WLFC
Q1 26
Q4 25
$1.4B
$662.1M
Q3 25
$1.3B
$650.2M
Q2 25
$1.2B
$617.9M
Q1 25
$1.2B
$565.5M
Q4 24
$1.1B
$549.3M
Q3 24
$1.0B
$517.8M
Q2 24
$1.0B
$492.4M
Total Assets
RMBS
RMBS
WLFC
WLFC
Q1 26
$1.5B
Q4 25
$1.5B
$3.9B
Q3 25
$1.4B
$3.4B
Q2 25
$1.5B
$3.9B
Q1 25
$1.4B
$3.3B
Q4 24
$1.3B
$3.3B
Q3 24
$1.3B
$3.0B
Q2 24
$1.3B
$2.9B
Debt / Equity
RMBS
RMBS
WLFC
WLFC
Q1 26
Q4 25
4.08×
Q3 25
3.44×
Q2 25
4.53×
Q1 25
3.95×
Q4 24
4.12×
Q3 24
3.84×
Q2 24
3.95×

Cash Flow & Capital Efficiency

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

Metric
RMBS
RMBS
WLFC
WLFC
Operating Cash FlowLast quarter
$74.2M
Free Cash FlowOCF − Capex
$66.2M
FCF MarginFCF / Revenue
34.2%
Capex IntensityCapex / Revenue
4.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$252.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RMBS
RMBS
WLFC
WLFC
Q1 26
Q4 25
$99.8M
$74.2M
Q3 25
$88.4M
$63.9M
Q2 25
$94.4M
$104.2M
Q1 25
$77.4M
$41.0M
Q4 24
$59.0M
$68.0M
Q3 24
$62.1M
$86.8M
Q2 24
$70.4M
$69.8M
Free Cash Flow
RMBS
RMBS
WLFC
WLFC
Q1 26
Q4 25
$93.3M
$66.2M
Q3 25
$82.5M
$57.8M
Q2 25
$87.9M
$94.5M
Q1 25
$69.5M
$33.5M
Q4 24
$52.5M
$55.1M
Q3 24
$52.2M
$85.7M
Q2 24
$59.1M
$68.5M
FCF Margin
RMBS
RMBS
WLFC
WLFC
Q1 26
Q4 25
49.0%
34.2%
Q3 25
46.2%
31.5%
Q2 25
51.0%
48.4%
Q1 25
41.7%
21.3%
Q4 24
32.6%
36.1%
Q3 24
35.9%
58.6%
Q2 24
44.7%
45.3%
Capex Intensity
RMBS
RMBS
WLFC
WLFC
Q1 26
Q4 25
3.4%
4.1%
Q3 25
3.3%
3.3%
Q2 25
3.8%
4.9%
Q1 25
4.7%
4.7%
Q4 24
4.0%
8.4%
Q3 24
6.8%
0.7%
Q2 24
8.6%
0.9%
Cash Conversion
RMBS
RMBS
WLFC
WLFC
Q1 26
Q4 25
1.56×
Q3 25
1.83×
2.63×
Q2 25
1.63×
1.73×
Q1 25
1.28×
2.43×
Q4 24
0.95×
Q3 24
1.28×
3.60×
Q2 24
1.95×
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

RMBS
RMBS

Product revenue$88.0M49%
Royalties$69.6M39%
Contract and other revenue$22.6M13%

WLFC
WLFC

Segment breakdown not available.

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