vs

Side-by-side financial comparison of Archrock, Inc. (AROC) and Ultragenyx Pharmaceutical Inc. (RARE). Click either name above to swap in a different company.

Archrock, Inc. is the larger business by last-quarter revenue ($377.1M vs $207.3M, roughly 1.8× Ultragenyx Pharmaceutical Inc.). Archrock, Inc. runs the higher net margin — 31.0% vs -62.0%, a 93.0% gap on every dollar of revenue. On growth, Ultragenyx Pharmaceutical Inc. posted the faster year-over-year revenue change (25.9% vs 15.5%). Archrock, Inc. produced more free cash flow last quarter ($126.7M vs $-100.8M). Over the past eight quarters, Ultragenyx Pharmaceutical Inc.'s revenue compounded faster (38.0% CAGR vs 18.5%).

Archrock, Inc. is a leading provider of natural gas compression services and equipment solutions for the North American oil and gas sector. Its core offerings include compression system rental, maintenance, aftermarket support, and sales, serving upstream production, midstream transportation and natural gas processing segments.

Ultragenyx Pharmaceutical Inc. is an American biopharmaceutical company involved in the research and development of novel products for treatment of rare and ultra-rare genetic diseases for which there are typically no approved treatments and high unmet medical need. The company works with multiple drug modalities including biologics, small molecule, gene therapies, and ASO and mRNAs in the disease categories of bone, endocrine, metabolic, muscle and CNS diseases.

AROC vs RARE — Head-to-Head

Bigger by revenue
AROC
AROC
1.8× larger
AROC
$377.1M
$207.3M
RARE
Growing faster (revenue YoY)
RARE
RARE
+10.4% gap
RARE
25.9%
15.5%
AROC
Higher net margin
AROC
AROC
93.0% more per $
AROC
31.0%
-62.0%
RARE
More free cash flow
AROC
AROC
$227.4M more FCF
AROC
$126.7M
$-100.8M
RARE
Faster 2-yr revenue CAGR
RARE
RARE
Annualised
RARE
38.0%
18.5%
AROC

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AROC
AROC
RARE
RARE
Revenue
$377.1M
$207.3M
Net Profit
$116.8M
$-128.6M
Gross Margin
53.0%
Operating Margin
39.4%
-54.7%
Net Margin
31.0%
-62.0%
Revenue YoY
15.5%
25.9%
Net Profit YoY
95.4%
3.5%
EPS (diluted)
$0.67
$-1.28

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
AROC
AROC
RARE
RARE
Q4 25
$377.1M
$207.3M
Q3 25
$382.4M
$159.9M
Q2 25
$383.2M
$166.5M
Q1 25
$347.2M
$139.3M
Q4 24
$326.4M
$164.6M
Q3 24
$292.2M
$139.5M
Q2 24
$270.5M
$147.0M
Q1 24
$268.5M
$108.8M
Net Profit
AROC
AROC
RARE
RARE
Q4 25
$116.8M
$-128.6M
Q3 25
$71.2M
$-180.4M
Q2 25
$63.4M
$-115.0M
Q1 25
$70.8M
$-151.1M
Q4 24
$59.8M
$-133.2M
Q3 24
$37.5M
$-133.5M
Q2 24
$34.4M
$-131.6M
Q1 24
$40.5M
$-170.7M
Gross Margin
AROC
AROC
RARE
RARE
Q4 25
53.0%
Q3 25
48.5%
Q2 25
45.4%
Q1 25
47.4%
Q4 24
46.3%
Q3 24
44.4%
Q2 24
41.5%
Q1 24
42.1%
Operating Margin
AROC
AROC
RARE
RARE
Q4 25
39.4%
-54.7%
Q3 25
25.3%
-106.9%
Q2 25
22.5%
-64.8%
Q1 25
26.5%
-102.6%
Q4 24
24.0%
-74.3%
Q3 24
18.1%
-94.6%
Q2 24
17.6%
-79.1%
Q1 24
20.0%
-151.9%
Net Margin
AROC
AROC
RARE
RARE
Q4 25
31.0%
-62.0%
Q3 25
18.6%
-112.8%
Q2 25
16.6%
-69.0%
Q1 25
20.4%
-108.5%
Q4 24
18.3%
-80.9%
Q3 24
12.8%
-95.7%
Q2 24
12.7%
-89.5%
Q1 24
15.1%
-156.8%
EPS (diluted)
AROC
AROC
RARE
RARE
Q4 25
$0.67
$-1.28
Q3 25
$0.40
$-1.81
Q2 25
$0.36
$-1.17
Q1 25
$0.40
$-1.57
Q4 24
$0.35
$-1.34
Q3 24
$0.22
$-1.40
Q2 24
$0.22
$-1.52
Q1 24
$0.26
$-2.03

Balance Sheet & Financial Strength

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

Metric
AROC
AROC
RARE
RARE
Cash + ST InvestmentsLiquidity on hand
$1.6M
$421.0M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.5B
$-80.0M
Total Assets
$4.3B
$1.5B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AROC
AROC
RARE
RARE
Q4 25
$1.6M
$421.0M
Q3 25
$4.1M
$202.5M
Q2 25
$5.9M
$176.3M
Q1 25
$4.8M
$127.1M
Q4 24
$4.4M
$174.0M
Q3 24
$3.7M
$150.6M
Q2 24
$919.0K
$480.7M
Q1 24
$1.2M
$112.3M
Stockholders' Equity
AROC
AROC
RARE
RARE
Q4 25
$1.5B
$-80.0M
Q3 25
$1.4B
$9.2M
Q2 25
$1.4B
$151.3M
Q1 25
$1.3B
$144.2M
Q4 24
$1.3B
$255.0M
Q3 24
$1.3B
$346.8M
Q2 24
$894.5M
$432.4M
Q1 24
$882.1M
$140.3M
Total Assets
AROC
AROC
RARE
RARE
Q4 25
$4.3B
$1.5B
Q3 25
$4.4B
$1.2B
Q2 25
$4.4B
$1.3B
Q1 25
$4.0B
$1.3B
Q4 24
$3.8B
$1.5B
Q3 24
$3.8B
$1.5B
Q2 24
$2.7B
$1.6B
Q1 24
$2.7B
$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
AROC
AROC
RARE
RARE
Operating Cash FlowLast quarter
$214.5M
$-99.8M
Free Cash FlowOCF − Capex
$126.7M
$-100.8M
FCF MarginFCF / Revenue
33.6%
-48.6%
Capex IntensityCapex / Revenue
23.3%
0.5%
Cash ConversionOCF / Net Profit
1.84×
TTM Free Cash FlowTrailing 4 quarters
$119.6M
$-472.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AROC
AROC
RARE
RARE
Q4 25
$214.5M
$-99.8M
Q3 25
$164.5M
$-91.4M
Q2 25
$127.5M
$-108.3M
Q1 25
$115.6M
$-166.5M
Q4 24
$124.3M
$-79.3M
Q3 24
$96.9M
$-67.0M
Q2 24
$70.7M
$-77.0M
Q1 24
$137.7M
$-190.7M
Free Cash Flow
AROC
AROC
RARE
RARE
Q4 25
$126.7M
$-100.8M
Q3 25
$29.5M
$-92.7M
Q2 25
$16.0M
$-110.7M
Q1 25
$-52.5M
$-167.8M
Q4 24
$26.4M
$-79.5M
Q3 24
$26.9M
$-68.6M
Q2 24
$-20.6M
$-79.0M
Q1 24
$37.9M
$-193.9M
FCF Margin
AROC
AROC
RARE
RARE
Q4 25
33.6%
-48.6%
Q3 25
7.7%
-58.0%
Q2 25
4.2%
-66.5%
Q1 25
-15.1%
-120.5%
Q4 24
8.1%
-48.3%
Q3 24
9.2%
-49.2%
Q2 24
-7.6%
-53.7%
Q1 24
14.1%
-178.2%
Capex Intensity
AROC
AROC
RARE
RARE
Q4 25
23.3%
0.5%
Q3 25
35.3%
0.8%
Q2 25
29.1%
1.5%
Q1 25
48.4%
1.0%
Q4 24
30.0%
0.1%
Q3 24
24.0%
1.2%
Q2 24
33.7%
1.4%
Q1 24
37.2%
3.0%
Cash Conversion
AROC
AROC
RARE
RARE
Q4 25
1.84×
Q3 25
2.31×
Q2 25
2.01×
Q1 25
1.63×
Q4 24
2.08×
Q3 24
2.58×
Q2 24
2.05×
Q1 24
3.40×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AROC
AROC

Horsepower Group Three$112.6M30%
Horsepower Group Two$108.5M29%
Horsepower Group One$105.9M28%
Services$32.9M9%
Over Counter Parts And Component Sales$17.0M5%
Transferred At Point In Time$1.4M0%

RARE
RARE

Royalty$105.6M51%
Products$101.7M49%

Related Comparisons