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Side-by-side financial comparison of Mayville Engineering Company, Inc. (MEC) and RAMBUS INC (RMBS). Click either name above to swap in a different company.

RAMBUS INC is the larger business by last-quarter revenue ($180.2M vs $134.3M, roughly 1.3× Mayville Engineering Company, Inc.). RAMBUS INC runs the higher net margin — 33.2% vs -3.2%, a 36.5% gap on every dollar of revenue. On growth, Mayville Engineering Company, Inc. posted the faster year-over-year revenue change (10.7% vs 8.1%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs -8.8%).

Mayville Engineering Company, Inc. is a U.S.-headquartered leading manufacturer of metal components, fabricated assemblies, and custom engineered solutions. It serves OEM clients across agriculture, construction, transportation, defense, and power sports markets, offering end-to-end services from prototyping to high-volume production for North America.

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.

MEC vs RMBS — Head-to-Head

Bigger by revenue
RMBS
RMBS
1.3× larger
RMBS
$180.2M
$134.3M
MEC
Growing faster (revenue YoY)
MEC
MEC
+2.6% gap
MEC
10.7%
8.1%
RMBS
Higher net margin
RMBS
RMBS
36.5% more per $
RMBS
33.2%
-3.2%
MEC
Faster 2-yr revenue CAGR
RMBS
RMBS
Annualised
RMBS
16.8%
-8.8%
MEC

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
MEC
MEC
RMBS
RMBS
Revenue
$134.3M
$180.2M
Net Profit
$-4.4M
$59.9M
Gross Margin
6.8%
79.7%
Operating Margin
-4.1%
34.3%
Net Margin
-3.2%
33.2%
Revenue YoY
10.7%
8.1%
Net Profit YoY
-127.3%
-7.3%
EPS (diluted)
$-0.22
$0.55

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
MEC
MEC
RMBS
RMBS
Q1 26
$180.2M
Q4 25
$134.3M
$190.2M
Q3 25
$144.3M
$178.5M
Q2 25
$132.3M
$172.2M
Q1 25
$135.6M
$166.7M
Q4 24
$121.3M
$161.1M
Q3 24
$135.4M
$145.5M
Q2 24
$163.6M
$132.1M
Net Profit
MEC
MEC
RMBS
RMBS
Q1 26
$59.9M
Q4 25
$-4.4M
$63.8M
Q3 25
$-2.7M
$48.4M
Q2 25
$-1.1M
$57.9M
Q1 25
$20.0K
$60.3M
Q4 24
$16.0M
$62.2M
Q3 24
$3.0M
$48.7M
Q2 24
$3.8M
$36.1M
Gross Margin
MEC
MEC
RMBS
RMBS
Q1 26
79.7%
Q4 25
6.8%
78.9%
Q3 25
11.0%
79.5%
Q2 25
10.3%
79.8%
Q1 25
11.3%
80.3%
Q4 24
8.9%
80.4%
Q3 24
12.6%
80.7%
Q2 24
13.6%
79.7%
Operating Margin
MEC
MEC
RMBS
RMBS
Q1 26
34.3%
Q4 25
-4.1%
37.2%
Q3 25
0.0%
35.4%
Q2 25
0.1%
36.6%
Q1 25
1.2%
37.9%
Q4 24
19.0%
35.9%
Q3 24
4.2%
37.6%
Q2 24
5.0%
30.5%
Net Margin
MEC
MEC
RMBS
RMBS
Q1 26
33.2%
Q4 25
-3.2%
33.6%
Q3 25
-1.9%
27.1%
Q2 25
-0.8%
33.6%
Q1 25
0.0%
36.2%
Q4 24
13.2%
38.6%
Q3 24
2.2%
33.4%
Q2 24
2.3%
27.3%
EPS (diluted)
MEC
MEC
RMBS
RMBS
Q1 26
$0.55
Q4 25
$-0.22
$0.58
Q3 25
$-0.13
$0.44
Q2 25
$-0.05
$0.53
Q1 25
$0.00
$0.56
Q4 24
$0.76
$0.57
Q3 24
$0.14
$0.45
Q2 24
$0.18
$0.33

Balance Sheet & Financial Strength

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

Metric
MEC
MEC
RMBS
RMBS
Cash + ST InvestmentsLiquidity on hand
$1.5M
$134.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$240.7M
Total Assets
$563.6M
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MEC
MEC
RMBS
RMBS
Q1 26
$134.3M
Q4 25
$1.5M
$182.8M
Q3 25
$1.2M
$79.2M
Q2 25
$206.0K
$87.8M
Q1 25
$183.0K
$132.2M
Q4 24
$206.0K
$99.8M
Q3 24
$178.0K
$114.0M
Q2 24
$314.0K
$124.6M
Stockholders' Equity
MEC
MEC
RMBS
RMBS
Q1 26
Q4 25
$240.7M
$1.4B
Q3 25
$244.8M
$1.3B
Q2 25
$246.8M
$1.2B
Q1 25
$250.0M
$1.2B
Q4 24
$251.8M
$1.1B
Q3 24
$238.4M
$1.0B
Q2 24
$238.1M
$1.0B
Total Assets
MEC
MEC
RMBS
RMBS
Q1 26
$1.5B
Q4 25
$563.6M
$1.5B
Q3 25
$585.6M
$1.4B
Q2 25
$433.7M
$1.5B
Q1 25
$447.7M
$1.4B
Q4 24
$445.6M
$1.3B
Q3 24
$466.0M
$1.3B
Q2 24
$488.2M
$1.3B

Cash Flow & Capital Efficiency

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

Metric
MEC
MEC
RMBS
RMBS
Operating Cash FlowLast quarter
$13.4M
Free Cash FlowOCF − Capex
$10.2M
FCF MarginFCF / Revenue
7.6%
Capex IntensityCapex / Revenue
2.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$26.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MEC
MEC
RMBS
RMBS
Q1 26
Q4 25
$13.4M
$99.8M
Q3 25
$1.9M
$88.4M
Q2 25
$15.0M
$94.4M
Q1 25
$8.3M
$77.4M
Q4 24
$38.0M
$59.0M
Q3 24
$17.9M
$62.1M
Q2 24
$23.3M
$70.4M
Free Cash Flow
MEC
MEC
RMBS
RMBS
Q1 26
Q4 25
$10.2M
$93.3M
Q3 25
$-1.1M
$82.5M
Q2 25
$12.5M
$87.9M
Q1 25
$5.4M
$69.5M
Q4 24
$35.6M
$52.5M
Q3 24
$15.1M
$52.2M
Q2 24
$19.2M
$59.1M
FCF Margin
MEC
MEC
RMBS
RMBS
Q1 26
Q4 25
7.6%
49.0%
Q3 25
-0.8%
46.2%
Q2 25
9.5%
51.0%
Q1 25
4.0%
41.7%
Q4 24
29.4%
32.6%
Q3 24
11.1%
35.9%
Q2 24
11.7%
44.7%
Capex Intensity
MEC
MEC
RMBS
RMBS
Q1 26
Q4 25
2.4%
3.4%
Q3 25
2.1%
3.3%
Q2 25
1.8%
3.8%
Q1 25
2.2%
4.7%
Q4 24
1.9%
4.0%
Q3 24
2.1%
6.8%
Q2 24
2.5%
8.6%
Cash Conversion
MEC
MEC
RMBS
RMBS
Q1 26
Q4 25
1.56×
Q3 25
1.83×
Q2 25
1.63×
Q1 25
416.65×
1.28×
Q4 24
2.38×
0.95×
Q3 24
6.03×
1.28×
Q2 24
6.15×
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MEC
MEC

Fabrication$72.2M54%
Construction And Access$19.2M14%
Tubes$16.2M12%
Other Market$11.9M9%
Agriculture$7.7M6%
Military$6.7M5%
Outdoor Sports$1.7M1%

RMBS
RMBS

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

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