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Side-by-side financial comparison of MOTORCAR PARTS OF AMERICA INC (MPAA) 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 $167.7M, roughly 1.1× MOTORCAR PARTS OF AMERICA INC). RAMBUS INC runs the higher net margin — 33.2% vs 1.1%, a 32.2% gap on every dollar of revenue. On growth, RAMBUS INC posted the faster year-over-year revenue change (8.1% vs -9.9%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs -5.9%).

Toyota Motor North America (TMNA) is the operating subsidiary that oversees all operations of the Toyota Motor Corporation in Canada, Mexico, and the United States. Its operations include research and development, manufacturing, sales, marketing, after sales and corporate functions, which are controlled by TMNA but sometimes executed by other subsidiaries and holding companies. The company is headquartered in Plano, Texas, with offices in several locations including Georgetown, Kentucky, Ann ...

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.

MPAA vs RMBS — Head-to-Head

Bigger by revenue
RMBS
RMBS
1.1× larger
RMBS
$180.2M
$167.7M
MPAA
Growing faster (revenue YoY)
RMBS
RMBS
+18.0% gap
RMBS
8.1%
-9.9%
MPAA
Higher net margin
RMBS
RMBS
32.2% more per $
RMBS
33.2%
1.1%
MPAA
Faster 2-yr revenue CAGR
RMBS
RMBS
Annualised
RMBS
16.8%
-5.9%
MPAA

Income Statement — Q3 FY2026 vs Q1 FY2026

Metric
MPAA
MPAA
RMBS
RMBS
Revenue
$167.7M
$180.2M
Net Profit
$1.8M
$59.9M
Gross Margin
19.6%
79.7%
Operating Margin
5.0%
34.3%
Net Margin
1.1%
33.2%
Revenue YoY
-9.9%
8.1%
Net Profit YoY
-22.4%
-7.3%
EPS (diluted)
$0.09
$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
MPAA
MPAA
RMBS
RMBS
Q1 26
$180.2M
Q4 25
$167.7M
$190.2M
Q3 25
$221.5M
$178.5M
Q2 25
$188.4M
$172.2M
Q1 25
$193.1M
$166.7M
Q4 24
$186.2M
$161.1M
Q3 24
$208.2M
$145.5M
Q2 24
$169.9M
$132.1M
Net Profit
MPAA
MPAA
RMBS
RMBS
Q1 26
$59.9M
Q4 25
$1.8M
$63.8M
Q3 25
$-2.1M
$48.4M
Q2 25
$3.0M
$57.9M
Q1 25
$-722.0K
$60.3M
Q4 24
$2.3M
$62.2M
Q3 24
$-3.0M
$48.7M
Q2 24
$-18.1M
$36.1M
Gross Margin
MPAA
MPAA
RMBS
RMBS
Q1 26
79.7%
Q4 25
19.6%
78.9%
Q3 25
19.3%
79.5%
Q2 25
18.0%
79.8%
Q1 25
19.9%
80.3%
Q4 24
24.1%
80.4%
Q3 24
19.8%
80.7%
Q2 24
17.2%
79.7%
Operating Margin
MPAA
MPAA
RMBS
RMBS
Q1 26
34.3%
Q4 25
5.0%
37.2%
Q3 25
7.4%
35.4%
Q2 25
10.7%
36.6%
Q1 25
8.4%
37.9%
Q4 24
9.4%
35.9%
Q3 24
6.0%
37.6%
Q2 24
-3.8%
30.5%
Net Margin
MPAA
MPAA
RMBS
RMBS
Q1 26
33.2%
Q4 25
1.1%
33.6%
Q3 25
-1.0%
27.1%
Q2 25
1.6%
33.6%
Q1 25
-0.4%
36.2%
Q4 24
1.2%
38.6%
Q3 24
-1.4%
33.4%
Q2 24
-10.6%
27.3%
EPS (diluted)
MPAA
MPAA
RMBS
RMBS
Q1 26
$0.55
Q4 25
$0.09
$0.58
Q3 25
$-0.11
$0.44
Q2 25
$0.15
$0.53
Q1 25
$-0.03
$0.56
Q4 24
$0.11
$0.57
Q3 24
$-0.15
$0.45
Q2 24
$-0.92
$0.33

Balance Sheet & Financial Strength

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

Metric
MPAA
MPAA
RMBS
RMBS
Cash + ST InvestmentsLiquidity on hand
$19.6M
$134.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$258.5M
Total Assets
$991.3M
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPAA
MPAA
RMBS
RMBS
Q1 26
$134.3M
Q4 25
$19.6M
$182.8M
Q3 25
$17.7M
$79.2M
Q2 25
$14.5M
$87.8M
Q1 25
$11.3M
$132.2M
Q4 24
$12.7M
$99.8M
Q3 24
$12.3M
$114.0M
Q2 24
$9.4M
$124.6M
Stockholders' Equity
MPAA
MPAA
RMBS
RMBS
Q1 26
Q4 25
$258.5M
$1.4B
Q3 25
$258.5M
$1.3B
Q2 25
$260.1M
$1.2B
Q1 25
$257.7M
$1.2B
Q4 24
$262.7M
$1.1B
Q3 24
$264.0M
$1.0B
Q2 24
$267.2M
$1.0B
Total Assets
MPAA
MPAA
RMBS
RMBS
Q1 26
$1.5B
Q4 25
$991.3M
$1.5B
Q3 25
$990.0M
$1.4B
Q2 25
$973.4M
$1.5B
Q1 25
$957.6M
$1.4B
Q4 24
$949.5M
$1.3B
Q3 24
$986.2M
$1.3B
Q2 24
$978.0M
$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
MPAA
MPAA
RMBS
RMBS
Operating Cash FlowLast quarter
$-8.2M
Free Cash FlowOCF − Capex
$-8.6M
FCF MarginFCF / Revenue
-5.2%
Capex IntensityCapex / Revenue
0.2%
Cash ConversionOCF / Net Profit
-4.63×
TTM Free Cash FlowTrailing 4 quarters
$27.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPAA
MPAA
RMBS
RMBS
Q1 26
Q4 25
$-8.2M
$99.8M
Q3 25
$21.9M
$88.4M
Q2 25
$10.0M
$94.4M
Q1 25
$9.1M
$77.4M
Q4 24
$34.4M
$59.0M
Q3 24
$22.9M
$62.1M
Q2 24
$-20.8M
$70.4M
Free Cash Flow
MPAA
MPAA
RMBS
RMBS
Q1 26
Q4 25
$-8.6M
$93.3M
Q3 25
$20.8M
$82.5M
Q2 25
$9.2M
$87.9M
Q1 25
$6.2M
$69.5M
Q4 24
$33.7M
$52.5M
Q3 24
$22.3M
$52.2M
Q2 24
$-21.3M
$59.1M
FCF Margin
MPAA
MPAA
RMBS
RMBS
Q1 26
Q4 25
-5.2%
49.0%
Q3 25
9.4%
46.2%
Q2 25
4.9%
51.0%
Q1 25
3.2%
41.7%
Q4 24
18.1%
32.6%
Q3 24
10.7%
35.9%
Q2 24
-12.6%
44.7%
Capex Intensity
MPAA
MPAA
RMBS
RMBS
Q1 26
Q4 25
0.2%
3.4%
Q3 25
0.5%
3.3%
Q2 25
0.4%
3.8%
Q1 25
1.5%
4.7%
Q4 24
0.4%
4.0%
Q3 24
0.3%
6.8%
Q2 24
0.3%
8.6%
Cash Conversion
MPAA
MPAA
RMBS
RMBS
Q1 26
Q4 25
-4.63×
1.56×
Q3 25
1.83×
Q2 25
3.30×
1.63×
Q1 25
1.28×
Q4 24
15.00×
0.95×
Q3 24
1.28×
Q2 24
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MPAA
MPAA

Reportable Segment Aggregation Before Other Operating Segment$156.3M93%
Other$11.4M7%

RMBS
RMBS

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

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