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Side-by-side financial comparison of Portillo's Inc. (PTLO) and RAMBUS INC (RMBS). Click either name above to swap in a different company.

Portillo's Inc. is the larger business by last-quarter revenue ($185.7M vs $180.2M, roughly 1.0× RAMBUS INC). RAMBUS INC runs the higher net margin — 33.2% vs 3.4%, a 29.9% gap on every dollar of revenue. On growth, RAMBUS INC posted the faster year-over-year revenue change (8.1% vs 0.6%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs 5.8%).

Portillo's Restaurant Group, Inc. is an American fast casual restaurant chain based in the Chicago area that specializes in serving Chicago-style food such as hot dogs, Maxwell Street Polish, and Italian beef. The company was founded by Dick Portillo on April 9, 1963, in Villa Park, Illinois, under the name "The Dog House".

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.

PTLO vs RMBS — Head-to-Head

Bigger by revenue
PTLO
PTLO
1.0× larger
PTLO
$185.7M
$180.2M
RMBS
Growing faster (revenue YoY)
RMBS
RMBS
+7.5% gap
RMBS
8.1%
0.6%
PTLO
Higher net margin
RMBS
RMBS
29.9% more per $
RMBS
33.2%
3.4%
PTLO
Faster 2-yr revenue CAGR
RMBS
RMBS
Annualised
RMBS
16.8%
5.8%
PTLO

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
PTLO
PTLO
RMBS
RMBS
Revenue
$185.7M
$180.2M
Net Profit
$6.3M
$59.9M
Gross Margin
79.7%
Operating Margin
5.6%
34.3%
Net Margin
3.4%
33.2%
Revenue YoY
0.6%
8.1%
Net Profit YoY
-49.5%
-7.3%
EPS (diluted)
$0.08
$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
PTLO
PTLO
RMBS
RMBS
Q1 26
$180.2M
Q4 25
$185.7M
$190.2M
Q3 25
$181.4M
$178.5M
Q2 25
$188.5M
$172.2M
Q1 25
$176.4M
$166.7M
Q4 24
$184.6M
$161.1M
Q3 24
$178.3M
$145.5M
Q2 24
$181.9M
$132.1M
Net Profit
PTLO
PTLO
RMBS
RMBS
Q1 26
$59.9M
Q4 25
$6.3M
$63.8M
Q3 25
$1.2M
$48.4M
Q2 25
$8.7M
$57.9M
Q1 25
$3.3M
$60.3M
Q4 24
$12.4M
$62.2M
Q3 24
$7.2M
$48.7M
Q2 24
$6.5M
$36.1M
Gross Margin
PTLO
PTLO
RMBS
RMBS
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
PTLO
PTLO
RMBS
RMBS
Q1 26
34.3%
Q4 25
5.6%
37.2%
Q3 25
3.0%
35.4%
Q2 25
9.3%
36.6%
Q1 25
5.9%
37.9%
Q4 24
7.5%
35.9%
Q3 24
9.0%
37.6%
Q2 24
10.0%
30.5%
Net Margin
PTLO
PTLO
RMBS
RMBS
Q1 26
33.2%
Q4 25
3.4%
33.6%
Q3 25
0.7%
27.1%
Q2 25
4.6%
33.6%
Q1 25
1.9%
36.2%
Q4 24
6.7%
38.6%
Q3 24
4.1%
33.4%
Q2 24
3.6%
27.3%
EPS (diluted)
PTLO
PTLO
RMBS
RMBS
Q1 26
$0.55
Q4 25
$0.08
$0.58
Q3 25
$0.02
$0.44
Q2 25
$0.12
$0.53
Q1 25
$0.05
$0.56
Q4 24
$0.17
$0.57
Q3 24
$0.11
$0.45
Q2 24
$0.10
$0.33

Balance Sheet & Financial Strength

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

Metric
PTLO
PTLO
RMBS
RMBS
Cash + ST InvestmentsLiquidity on hand
$134.3M
Total DebtLower is stronger
$334.2M
Stockholders' EquityBook value
$467.8M
Total Assets
$1.6B
$1.5B
Debt / EquityLower = less leverage
0.71×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PTLO
PTLO
RMBS
RMBS
Q1 26
$134.3M
Q4 25
$182.8M
Q3 25
$79.2M
Q2 25
$87.8M
Q1 25
$132.2M
Q4 24
$99.8M
Q3 24
$114.0M
Q2 24
$124.6M
Total Debt
PTLO
PTLO
RMBS
RMBS
Q1 26
Q4 25
$334.2M
Q3 25
$322.6M
Q2 25
$317.0M
Q1 25
$319.8M
Q4 24
$311.7M
Q3 24
$302.2M
Q2 24
$305.1M
Stockholders' Equity
PTLO
PTLO
RMBS
RMBS
Q1 26
Q4 25
$467.8M
$1.4B
Q3 25
$459.4M
$1.3B
Q2 25
$458.9M
$1.2B
Q1 25
$406.9M
$1.2B
Q4 24
$401.1M
$1.1B
Q3 24
$382.4M
$1.0B
Q2 24
$370.2M
$1.0B
Total Assets
PTLO
PTLO
RMBS
RMBS
Q1 26
$1.5B
Q4 25
$1.6B
$1.5B
Q3 25
$1.6B
$1.4B
Q2 25
$1.6B
$1.5B
Q1 25
$1.5B
$1.4B
Q4 24
$1.5B
$1.3B
Q3 24
$1.5B
$1.3B
Q2 24
$1.4B
$1.3B
Debt / Equity
PTLO
PTLO
RMBS
RMBS
Q1 26
Q4 25
0.71×
Q3 25
0.70×
Q2 25
0.69×
Q1 25
0.79×
Q4 24
0.78×
Q3 24
0.79×
Q2 24
0.82×

Cash Flow & Capital Efficiency

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

Metric
PTLO
PTLO
RMBS
RMBS
Operating Cash FlowLast quarter
$23.2M
Free Cash FlowOCF − Capex
$-9.2M
FCF MarginFCF / Revenue
-4.9%
Capex IntensityCapex / Revenue
17.4%
Cash ConversionOCF / Net Profit
3.69×
TTM Free Cash FlowTrailing 4 quarters
$-18.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PTLO
PTLO
RMBS
RMBS
Q1 26
Q4 25
$23.2M
$99.8M
Q3 25
$20.0M
$88.4M
Q2 25
$19.2M
$94.4M
Q1 25
$9.4M
$77.4M
Q4 24
$26.1M
$59.0M
Q3 24
$30.3M
$62.1M
Q2 24
$32.6M
$70.4M
Free Cash Flow
PTLO
PTLO
RMBS
RMBS
Q1 26
Q4 25
$-9.2M
$93.3M
Q3 25
$-5.0M
$82.5M
Q2 25
$5.2M
$87.9M
Q1 25
$-9.6M
$69.5M
Q4 24
$-5.6M
$52.5M
Q3 24
$7.7M
$52.2M
Q2 24
$15.6M
$59.1M
FCF Margin
PTLO
PTLO
RMBS
RMBS
Q1 26
Q4 25
-4.9%
49.0%
Q3 25
-2.7%
46.2%
Q2 25
2.8%
51.0%
Q1 25
-5.4%
41.7%
Q4 24
-3.0%
32.6%
Q3 24
4.3%
35.9%
Q2 24
8.6%
44.7%
Capex Intensity
PTLO
PTLO
RMBS
RMBS
Q1 26
Q4 25
17.4%
3.4%
Q3 25
13.8%
3.3%
Q2 25
7.5%
3.8%
Q1 25
10.8%
4.7%
Q4 24
17.2%
4.0%
Q3 24
12.7%
6.8%
Q2 24
9.3%
8.6%
Cash Conversion
PTLO
PTLO
RMBS
RMBS
Q1 26
Q4 25
3.69×
1.56×
Q3 25
16.51×
1.83×
Q2 25
2.21×
1.63×
Q1 25
2.85×
1.28×
Q4 24
2.10×
0.95×
Q3 24
4.20×
1.28×
Q2 24
5.03×
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PTLO
PTLO

Segment breakdown not available.

RMBS
RMBS

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

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