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Side-by-side financial comparison of RAMBUS INC (RMBS) and GIBRALTAR INDUSTRIES, INC. (ROCK). Click either name above to swap in a different company.

GIBRALTAR INDUSTRIES, INC. is the larger business by last-quarter revenue ($225.0M vs $180.2M, roughly 1.2× RAMBUS INC). On growth, GIBRALTAR INDUSTRIES, INC. posted the faster year-over-year revenue change (24.9% vs 8.1%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs -12.3%).

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.

Gibraltar Industries, Inc. is a leading manufacturer and distributor of specialized building, infrastructure, and renewable energy products. Its offerings include ventilation systems, roofing accessories, solar mounting solutions, and landscape and garden products, serving residential, commercial construction, and clean energy markets primarily across North America, with a focus on innovative, sustainable solutions for its customers.

RMBS vs ROCK — Head-to-Head

Bigger by revenue
ROCK
ROCK
1.2× larger
ROCK
$225.0M
$180.2M
RMBS
Growing faster (revenue YoY)
ROCK
ROCK
+16.9% gap
ROCK
24.9%
8.1%
RMBS
Faster 2-yr revenue CAGR
RMBS
RMBS
Annualised
RMBS
16.8%
-12.3%
ROCK

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
RMBS
RMBS
ROCK
ROCK
Revenue
$180.2M
$225.0M
Net Profit
$59.9M
Gross Margin
79.7%
25.3%
Operating Margin
34.3%
7.9%
Net Margin
33.2%
Revenue YoY
8.1%
24.9%
Net Profit YoY
-7.3%
EPS (diluted)
$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
RMBS
RMBS
ROCK
ROCK
Q1 26
$180.2M
Q4 25
$190.2M
$225.0M
Q3 25
$178.5M
$310.9M
Q2 25
$172.2M
$309.5M
Q1 25
$166.7M
$290.0M
Q4 24
$161.1M
$180.1M
Q3 24
$145.5M
$277.1M
Q2 24
$132.1M
$273.6M
Net Profit
RMBS
RMBS
ROCK
ROCK
Q1 26
$59.9M
Q4 25
$63.8M
Q3 25
$48.4M
$-89.1M
Q2 25
$57.9M
$26.0M
Q1 25
$60.3M
$21.1M
Q4 24
$62.2M
Q3 24
$48.7M
$34.0M
Q2 24
$36.1M
$32.2M
Gross Margin
RMBS
RMBS
ROCK
ROCK
Q1 26
79.7%
Q4 25
78.9%
25.3%
Q3 25
79.5%
26.6%
Q2 25
79.8%
28.4%
Q1 25
80.3%
26.8%
Q4 24
80.4%
29.0%
Q3 24
80.7%
29.4%
Q2 24
79.7%
30.5%
Operating Margin
RMBS
RMBS
ROCK
ROCK
Q1 26
34.3%
Q4 25
37.2%
7.9%
Q3 25
35.4%
12.8%
Q2 25
36.6%
12.8%
Q1 25
37.9%
8.8%
Q4 24
35.9%
13.3%
Q3 24
37.6%
15.6%
Q2 24
30.5%
14.9%
Net Margin
RMBS
RMBS
ROCK
ROCK
Q1 26
33.2%
Q4 25
33.6%
Q3 25
27.1%
-28.6%
Q2 25
33.6%
8.4%
Q1 25
36.2%
7.3%
Q4 24
38.6%
Q3 24
33.4%
12.3%
Q2 24
27.3%
11.8%
EPS (diluted)
RMBS
RMBS
ROCK
ROCK
Q1 26
$0.55
Q4 25
$0.58
Q3 25
$0.44
$-2.98
Q2 25
$0.53
$0.87
Q1 25
$0.56
Q4 24
$0.57
Q3 24
$0.45
$1.11
Q2 24
$0.33
$1.05

Balance Sheet & Financial Strength

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

Metric
RMBS
RMBS
ROCK
ROCK
Cash + ST InvestmentsLiquidity on hand
$134.3M
$115.7M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$950.4M
Total Assets
$1.5B
$1.4B
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
RMBS
RMBS
ROCK
ROCK
Q1 26
$134.3M
Q4 25
$182.8M
$115.7M
Q3 25
$79.2M
$89.4M
Q2 25
$87.8M
$43.3M
Q1 25
$132.2M
$25.1M
Q4 24
$99.8M
$269.5M
Q3 24
$114.0M
$228.9M
Q2 24
$124.6M
$179.1M
Total Debt
RMBS
RMBS
ROCK
ROCK
Q1 26
Q4 25
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$0
Q2 24
$0
Stockholders' Equity
RMBS
RMBS
ROCK
ROCK
Q1 26
Q4 25
$1.4B
$950.4M
Q3 25
$1.3B
$951.8M
Q2 25
$1.2B
$1.0B
Q1 25
$1.2B
$1.0B
Q4 24
$1.1B
$1.0B
Q3 24
$1.0B
$1.0B
Q2 24
$1.0B
$975.7M
Total Assets
RMBS
RMBS
ROCK
ROCK
Q1 26
$1.5B
Q4 25
$1.5B
$1.4B
Q3 25
$1.4B
$1.4B
Q2 25
$1.5B
$1.5B
Q1 25
$1.4B
$1.4B
Q4 24
$1.3B
$1.4B
Q3 24
$1.3B
$1.4B
Q2 24
$1.3B
$1.4B
Debt / Equity
RMBS
RMBS
ROCK
ROCK
Q1 26
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×

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
ROCK
ROCK
Operating Cash FlowLast quarter
$35.5M
Free Cash FlowOCF − Capex
$26.2M
FCF MarginFCF / Revenue
11.7%
Capex IntensityCapex / Revenue
4.1%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$120.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
RMBS
RMBS
ROCK
ROCK
Q1 26
Q4 25
$99.8M
$35.5M
Q3 25
$88.4M
$73.0M
Q2 25
$94.4M
$44.9M
Q1 25
$77.4M
$13.7M
Q4 24
$59.0M
$19.9M
Q3 24
$62.1M
$64.7M
Q2 24
$70.4M
$36.5M
Free Cash Flow
RMBS
RMBS
ROCK
ROCK
Q1 26
Q4 25
$93.3M
$26.2M
Q3 25
$82.5M
$64.8M
Q2 25
$87.9M
$27.3M
Q1 25
$69.5M
$2.3M
Q4 24
$52.5M
$14.1M
Q3 24
$52.2M
$60.5M
Q2 24
$59.1M
$33.5M
FCF Margin
RMBS
RMBS
ROCK
ROCK
Q1 26
Q4 25
49.0%
11.7%
Q3 25
46.2%
20.8%
Q2 25
51.0%
8.8%
Q1 25
41.7%
0.8%
Q4 24
32.6%
7.8%
Q3 24
35.9%
21.8%
Q2 24
44.7%
12.2%
Capex Intensity
RMBS
RMBS
ROCK
ROCK
Q1 26
Q4 25
3.4%
4.1%
Q3 25
3.3%
2.6%
Q2 25
3.8%
5.7%
Q1 25
4.7%
3.9%
Q4 24
4.0%
3.3%
Q3 24
6.8%
1.5%
Q2 24
8.6%
1.1%
Cash Conversion
RMBS
RMBS
ROCK
ROCK
Q1 26
Q4 25
1.56×
Q3 25
1.83×
Q2 25
1.63×
1.73×
Q1 25
1.28×
0.65×
Q4 24
0.95×
Q3 24
1.28×
1.90×
Q2 24
1.95×
1.13×

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%

ROCK
ROCK

Transferred At Point In Time$183.5M82%
Infrastructure$22.5M10%
Other$18.9M8%

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