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Side-by-side financial comparison of ProPetro Holding Corp. (PUMP) and RAMBUS INC (RMBS). Click either name above to swap in a different company.

ProPetro Holding Corp. is the larger business by last-quarter revenue ($289.7M vs $180.2M, roughly 1.6× RAMBUS INC). On growth, RAMBUS INC posted the faster year-over-year revenue change (8.1% vs -9.6%). Over the past eight quarters, RAMBUS INC's revenue compounded faster (16.8% CAGR vs -15.5%).

ProPetro Holding Corp. is a leading U.S.-based oilfield services provider. It offers hydraulic fracturing, well completion and related supporting services primarily to onshore oil and gas exploration and production operators, with core operations concentrated in the Permian Basin spanning Texas and New Mexico.

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.

PUMP vs RMBS — Head-to-Head

Bigger by revenue
PUMP
PUMP
1.6× larger
PUMP
$289.7M
$180.2M
RMBS
Growing faster (revenue YoY)
RMBS
RMBS
+17.7% gap
RMBS
8.1%
-9.6%
PUMP
Faster 2-yr revenue CAGR
RMBS
RMBS
Annualised
RMBS
16.8%
-15.5%
PUMP

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
PUMP
PUMP
RMBS
RMBS
Revenue
$289.7M
$180.2M
Net Profit
$59.9M
Gross Margin
79.7%
Operating Margin
2.1%
34.3%
Net Margin
33.2%
Revenue YoY
-9.6%
8.1%
Net Profit YoY
-7.3%
EPS (diluted)
$0.01
$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
PUMP
PUMP
RMBS
RMBS
Q1 26
$180.2M
Q4 25
$289.7M
$190.2M
Q3 25
$293.9M
$178.5M
Q2 25
$326.2M
$172.2M
Q1 25
$359.4M
$166.7M
Q4 24
$320.6M
$161.1M
Q3 24
$360.9M
$145.5M
Q2 24
$357.0M
$132.1M
Net Profit
PUMP
PUMP
RMBS
RMBS
Q1 26
$59.9M
Q4 25
$63.8M
Q3 25
$-2.4M
$48.4M
Q2 25
$-7.2M
$57.9M
Q1 25
$9.6M
$60.3M
Q4 24
$62.2M
Q3 24
$-137.1M
$48.7M
Q2 24
$-3.7M
$36.1M
Gross Margin
PUMP
PUMP
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
PUMP
PUMP
RMBS
RMBS
Q1 26
34.3%
Q4 25
2.1%
37.2%
Q3 25
-2.1%
35.4%
Q2 25
-1.0%
36.6%
Q1 25
2.6%
37.9%
Q4 24
-5.8%
35.9%
Q3 24
-49.4%
37.6%
Q2 24
-0.1%
30.5%
Net Margin
PUMP
PUMP
RMBS
RMBS
Q1 26
33.2%
Q4 25
33.6%
Q3 25
-0.8%
27.1%
Q2 25
-2.2%
33.6%
Q1 25
2.7%
36.2%
Q4 24
38.6%
Q3 24
-38.0%
33.4%
Q2 24
-1.0%
27.3%
EPS (diluted)
PUMP
PUMP
RMBS
RMBS
Q1 26
$0.55
Q4 25
$0.01
$0.58
Q3 25
$-0.02
$0.44
Q2 25
$-0.07
$0.53
Q1 25
$0.09
$0.56
Q4 24
$-0.14
$0.57
Q3 24
$-1.32
$0.45
Q2 24
$-0.03
$0.33

Balance Sheet & Financial Strength

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

Metric
PUMP
PUMP
RMBS
RMBS
Cash + ST InvestmentsLiquidity on hand
$91.3M
$134.3M
Total DebtLower is stronger
Stockholders' EquityBook value
$829.8M
Total Assets
$1.3B
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PUMP
PUMP
RMBS
RMBS
Q1 26
$134.3M
Q4 25
$91.3M
$182.8M
Q3 25
$76.7M
$79.2M
Q2 25
$83.0M
$87.8M
Q1 25
$71.4M
$132.2M
Q4 24
$58.3M
$99.8M
Q3 24
$54.0M
$114.0M
Q2 24
$74.7M
$124.6M
Stockholders' Equity
PUMP
PUMP
RMBS
RMBS
Q1 26
Q4 25
$829.8M
$1.4B
Q3 25
$826.2M
$1.3B
Q2 25
$824.0M
$1.2B
Q1 25
$826.5M
$1.2B
Q4 24
$816.3M
$1.1B
Q3 24
$833.0M
$1.0B
Q2 24
$975.8M
$1.0B
Total Assets
PUMP
PUMP
RMBS
RMBS
Q1 26
$1.5B
Q4 25
$1.3B
$1.5B
Q3 25
$1.3B
$1.4B
Q2 25
$1.2B
$1.5B
Q1 25
$1.2B
$1.4B
Q4 24
$1.2B
$1.3B
Q3 24
$1.3B
$1.3B
Q2 24
$1.5B
$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
PUMP
PUMP
RMBS
RMBS
Operating Cash FlowLast quarter
$81.0M
Free Cash FlowOCF − Capex
$16.8M
FCF MarginFCF / Revenue
5.8%
Capex IntensityCapex / Revenue
22.2%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$45.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PUMP
PUMP
RMBS
RMBS
Q1 26
Q4 25
$81.0M
$99.8M
Q3 25
$41.7M
$88.4M
Q2 25
$54.2M
$94.4M
Q1 25
$54.7M
$77.4M
Q4 24
$37.9M
$59.0M
Q3 24
$34.7M
$62.1M
Q2 24
$104.9M
$70.4M
Free Cash Flow
PUMP
PUMP
RMBS
RMBS
Q1 26
Q4 25
$16.8M
$93.3M
Q3 25
$-2.4M
$82.5M
Q2 25
$17.1M
$87.9M
Q1 25
$13.8M
$69.5M
Q4 24
$10.0M
$52.5M
Q3 24
$-6.0M
$52.2M
Q2 24
$67.7M
$59.1M
FCF Margin
PUMP
PUMP
RMBS
RMBS
Q1 26
Q4 25
5.8%
49.0%
Q3 25
-0.8%
46.2%
Q2 25
5.2%
51.0%
Q1 25
3.8%
41.7%
Q4 24
3.1%
32.6%
Q3 24
-1.7%
35.9%
Q2 24
19.0%
44.7%
Capex Intensity
PUMP
PUMP
RMBS
RMBS
Q1 26
Q4 25
22.2%
3.4%
Q3 25
15.0%
3.3%
Q2 25
11.4%
3.8%
Q1 25
11.4%
4.7%
Q4 24
8.7%
4.0%
Q3 24
11.3%
6.8%
Q2 24
10.4%
8.6%
Cash Conversion
PUMP
PUMP
RMBS
RMBS
Q1 26
Q4 25
1.56×
Q3 25
1.83×
Q2 25
1.63×
Q1 25
5.70×
1.28×
Q4 24
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

PUMP
PUMP

Hydraulic Fracturing Segment$203.9M70%
Wireline Operating Segment$55.4M19%
Cementing Operating Segment$29.6M10%

RMBS
RMBS

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

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