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Side-by-side financial comparison of JACK IN THE BOX INC (JACK) and RAMBUS INC (RMBS). Click either name above to swap in a different company.

JACK IN THE BOX INC is the larger business by last-quarter revenue ($349.5M vs $180.2M, roughly 1.9× RAMBUS INC). RAMBUS INC runs the higher net margin — 33.2% vs -0.7%, a 33.9% gap on every dollar of revenue. On growth, RAMBUS INC posted the faster year-over-year revenue change (8.1% vs -25.5%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs -18.6%).

Jack in the Box, Inc. is an American fast food restaurant chain founded on February 21, 1951, by Robert O. Peterson in San Diego, California, where it is headquartered. The chain has over 2,200 locations, primarily serving the West Coast of the United States. Restaurants are also found in large urban areas outside the West Coast, as well as two in Guam. The company also formerly operated the Qdoba Mexican Grill chain until Apollo Global Management bought the chain in December 2017.

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.

JACK vs RMBS — Head-to-Head

Bigger by revenue
JACK
JACK
1.9× larger
JACK
$349.5M
$180.2M
RMBS
Growing faster (revenue YoY)
RMBS
RMBS
+33.6% gap
RMBS
8.1%
-25.5%
JACK
Higher net margin
RMBS
RMBS
33.9% more per $
RMBS
33.2%
-0.7%
JACK
Faster 2-yr revenue CAGR
RMBS
RMBS
Annualised
RMBS
16.8%
-18.6%
JACK

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
JACK
JACK
RMBS
RMBS
Revenue
$349.5M
$180.2M
Net Profit
$-2.5M
$59.9M
Gross Margin
79.7%
Operating Margin
13.3%
34.3%
Net Margin
-0.7%
33.2%
Revenue YoY
-25.5%
8.1%
Net Profit YoY
-107.3%
-7.3%
EPS (diluted)
$-0.13
$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
JACK
JACK
RMBS
RMBS
Q1 26
$349.5M
$180.2M
Q4 25
$190.2M
Q3 25
$178.5M
Q2 25
$336.7M
$172.2M
Q1 25
$371.1M
$166.7M
Q4 24
$161.1M
Q3 24
$145.5M
Q2 24
$365.3M
$132.1M
Net Profit
JACK
JACK
RMBS
RMBS
Q1 26
$-2.5M
$59.9M
Q4 25
$63.8M
Q3 25
$48.4M
Q2 25
$-142.2M
$57.9M
Q1 25
$33.7M
$60.3M
Q4 24
$62.2M
Q3 24
$48.7M
Q2 24
$25.0M
$36.1M
Gross Margin
JACK
JACK
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
JACK
JACK
RMBS
RMBS
Q1 26
13.3%
34.3%
Q4 25
37.2%
Q3 25
35.4%
Q2 25
-46.7%
36.6%
Q1 25
19.0%
37.9%
Q4 24
35.9%
Q3 24
37.6%
Q2 24
14.8%
30.5%
Net Margin
JACK
JACK
RMBS
RMBS
Q1 26
-0.7%
33.2%
Q4 25
33.6%
Q3 25
27.1%
Q2 25
-42.2%
33.6%
Q1 25
9.1%
36.2%
Q4 24
38.6%
Q3 24
33.4%
Q2 24
6.8%
27.3%
EPS (diluted)
JACK
JACK
RMBS
RMBS
Q1 26
$-0.13
$0.55
Q4 25
$0.58
Q3 25
$0.44
Q2 25
$-7.47
$0.53
Q1 25
$1.75
$0.56
Q4 24
$0.57
Q3 24
$0.45
Q2 24
$1.26
$0.33

Balance Sheet & Financial Strength

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

Metric
JACK
JACK
RMBS
RMBS
Cash + ST InvestmentsLiquidity on hand
$134.3M
Total DebtLower is stronger
$1.6B
Stockholders' EquityBook value
$-936.0M
Total Assets
$2.0B
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
JACK
JACK
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
JACK
JACK
RMBS
RMBS
Q1 26
$1.6B
Q4 25
Q3 25
Q2 25
$1.7B
Q1 25
$1.7B
Q4 24
Q3 24
Q2 24
$1.7B
Stockholders' Equity
JACK
JACK
RMBS
RMBS
Q1 26
$-936.0M
Q4 25
$1.4B
Q3 25
$1.3B
Q2 25
$-976.2M
$1.2B
Q1 25
$-827.1M
$1.2B
Q4 24
$1.1B
Q3 24
$1.0B
Q2 24
$-702.6M
$1.0B
Total Assets
JACK
JACK
RMBS
RMBS
Q1 26
$2.0B
$1.5B
Q4 25
$1.5B
Q3 25
$1.4B
Q2 25
$2.6B
$1.5B
Q1 25
$2.8B
$1.4B
Q4 24
$1.3B
Q3 24
$1.3B
Q2 24
$2.9B
$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
JACK
JACK
RMBS
RMBS
Operating Cash FlowLast quarter
$30.5M
Free Cash FlowOCF − Capex
$7.3M
FCF MarginFCF / Revenue
2.1%
Capex IntensityCapex / Revenue
6.6%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$34.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
JACK
JACK
RMBS
RMBS
Q1 26
$30.5M
Q4 25
$99.8M
Q3 25
$88.4M
Q2 25
$-36.8M
$94.4M
Q1 25
$105.7M
$77.4M
Q4 24
$59.0M
Q3 24
$62.1M
Q2 24
$16.7M
$70.4M
Free Cash Flow
JACK
JACK
RMBS
RMBS
Q1 26
$7.3M
Q4 25
$93.3M
Q3 25
$82.5M
Q2 25
$-63.2M
$87.9M
Q1 25
$84.4M
$69.5M
Q4 24
$52.5M
Q3 24
$52.2M
Q2 24
$6.4M
$59.1M
FCF Margin
JACK
JACK
RMBS
RMBS
Q1 26
2.1%
Q4 25
49.0%
Q3 25
46.2%
Q2 25
-18.8%
51.0%
Q1 25
22.7%
41.7%
Q4 24
32.6%
Q3 24
35.9%
Q2 24
1.8%
44.7%
Capex Intensity
JACK
JACK
RMBS
RMBS
Q1 26
6.6%
Q4 25
3.4%
Q3 25
3.3%
Q2 25
7.9%
3.8%
Q1 25
5.7%
4.7%
Q4 24
4.0%
Q3 24
6.8%
Q2 24
2.8%
8.6%
Cash Conversion
JACK
JACK
RMBS
RMBS
Q1 26
Q4 25
1.56×
Q3 25
1.83×
Q2 25
1.63×
Q1 25
3.14×
1.28×
Q4 24
0.95×
Q3 24
1.28×
Q2 24
0.67×
1.95×

Financial Flow Comparison

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

Revenue Breakdown by Segment

JACK
JACK

Restaurant Sales$131.9M38%
Franchise$97.4M28%
Royaltyand Other$58.9M17%
Advertising$56.6M16%
Technology Service$4.7M1%
Franchise Fees$1.7M0%

RMBS
RMBS

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

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