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Side-by-side financial comparison of Energy Recovery, Inc. (ERII) and CarParts.com, Inc. (PRTS). Click either name above to swap in a different company.

CarParts.com, Inc. is the larger business by last-quarter revenue ($120.4M vs $66.9M, roughly 1.8× Energy Recovery, Inc.). Energy Recovery, Inc. runs the higher net margin — 40.2% vs -9.6%, a 49.8% gap on every dollar of revenue. On growth, Energy Recovery, Inc. posted the faster year-over-year revenue change (-0.3% vs -9.8%). Over the past eight quarters, Energy Recovery, Inc.'s revenue compounded faster (8.1% CAGR vs -14.9%).

Energy Recovery Inc. is an American manufacturer of energy recovery devices for water and CO2 refrigeration industries.

Genuine Parts Company (GPC) is an American automotive and industrial parts distributor based in Atlanta, Georgia. Established by brothers Carlyle and Malcolm Fraser in 1928, the company has approximately 60,000 employees. In addition to the United States, GPC has operated in Australasia, Belgium, Canada, France, Germany, Mexico, the Netherlands, Poland, and the United Kingdom. GPC's subsidiaries include industrial parts distributor Motion as well as NAPA Auto Parts, which primarily sells part...

ERII vs PRTS — Head-to-Head

Bigger by revenue
PRTS
PRTS
1.8× larger
PRTS
$120.4M
$66.9M
ERII
Growing faster (revenue YoY)
ERII
ERII
+9.5% gap
ERII
-0.3%
-9.8%
PRTS
Higher net margin
ERII
ERII
49.8% more per $
ERII
40.2%
-9.6%
PRTS
Faster 2-yr revenue CAGR
ERII
ERII
Annualised
ERII
8.1%
-14.9%
PRTS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ERII
ERII
PRTS
PRTS
Revenue
$66.9M
$120.4M
Net Profit
$26.9M
$-11.6M
Gross Margin
67.2%
33.2%
Operating Margin
46.8%
Net Margin
40.2%
-9.6%
Revenue YoY
-0.3%
-9.8%
Net Profit YoY
14.7%
25.0%
EPS (diluted)
$0.49
$-0.82

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
ERII
ERII
PRTS
PRTS
Q4 25
$66.9M
$120.4M
Q3 25
$32.0M
$127.8M
Q2 25
$28.1M
$151.9M
Q1 25
$147.4M
Q4 24
$67.1M
$133.5M
Q3 24
$38.6M
$144.8M
Q2 24
$27.2M
$144.3M
Q1 24
$12.1M
$166.3M
Net Profit
ERII
ERII
PRTS
PRTS
Q4 25
$26.9M
$-11.6M
Q3 25
$3.9M
$-10.9M
Q2 25
$2.1M
$-12.7M
Q1 25
$-15.3M
Q4 24
$23.5M
$-15.4M
Q3 24
$8.5M
$-10.0M
Q2 24
$-642.0K
$-8.7M
Q1 24
$-8.3M
$-6.5M
Gross Margin
ERII
ERII
PRTS
PRTS
Q4 25
67.2%
33.2%
Q3 25
64.2%
33.1%
Q2 25
64.0%
32.8%
Q1 25
32.1%
Q4 24
70.2%
32.5%
Q3 24
65.1%
35.2%
Q2 24
64.6%
33.5%
Q1 24
59.0%
32.4%
Operating Margin
ERII
ERII
PRTS
PRTS
Q4 25
46.8%
Q3 25
11.4%
-7.9%
Q2 25
5.3%
-8.2%
Q1 25
-10.3%
Q4 24
38.2%
-11.6%
Q3 24
18.3%
-6.9%
Q2 24
-7.4%
-6.0%
Q1 24
-90.4%
-3.9%
Net Margin
ERII
ERII
PRTS
PRTS
Q4 25
40.2%
-9.6%
Q3 25
12.1%
-8.5%
Q2 25
7.3%
-8.4%
Q1 25
-10.4%
Q4 24
35.0%
-11.5%
Q3 24
22.0%
-6.9%
Q2 24
-2.4%
-6.0%
Q1 24
-68.3%
-3.9%
EPS (diluted)
ERII
ERII
PRTS
PRTS
Q4 25
$0.49
$-0.82
Q3 25
$0.07
$-0.19
Q2 25
$0.04
$-0.23
Q1 25
$-0.27
Q4 24
$0.40
$-0.28
Q3 24
$0.15
$-0.17
Q2 24
$-0.01
$-0.15
Q1 24
$-0.14
$-0.11

Balance Sheet & Financial Strength

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

Metric
ERII
ERII
PRTS
PRTS
Cash + ST InvestmentsLiquidity on hand
$75.2M
$25.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$206.2M
$53.5M
Total Assets
$231.5M
$184.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ERII
ERII
PRTS
PRTS
Q4 25
$75.2M
$25.8M
Q3 25
$70.4M
Q2 25
$79.5M
Q1 25
Q4 24
$78.0M
Q3 24
$118.6M
Q2 24
$101.0M
Q1 24
$117.4M
Stockholders' Equity
ERII
ERII
PRTS
PRTS
Q4 25
$206.2M
$53.5M
Q3 25
$180.8M
$64.2M
Q2 25
$185.2M
$62.4M
Q1 25
$72.8M
Q4 24
$210.0M
$85.2M
Q3 24
$233.9M
$97.2M
Q2 24
$218.5M
$103.9M
Q1 24
$216.0M
$109.2M
Total Assets
ERII
ERII
PRTS
PRTS
Q4 25
$231.5M
$184.9M
Q3 25
$209.6M
$200.3M
Q2 25
$212.3M
$189.6M
Q1 25
$216.5M
Q4 24
$242.8M
$210.6M
Q3 24
$262.7M
$227.6M
Q2 24
$249.0M
$238.0M
Q1 24
$244.3M
$263.2M

Cash Flow & Capital Efficiency

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

Metric
ERII
ERII
PRTS
PRTS
Operating Cash FlowLast quarter
$7.1M
Free Cash FlowOCF − Capex
$6.4M
FCF MarginFCF / Revenue
9.6%
Capex IntensityCapex / Revenue
1.0%
Cash ConversionOCF / Net Profit
0.26×
TTM Free Cash FlowTrailing 4 quarters
$15.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ERII
ERII
PRTS
PRTS
Q4 25
$7.1M
Q3 25
$-3.1M
$-6.4M
Q2 25
$4.1M
$-25.6M
Q1 25
$5.5M
Q4 24
$9.0M
$1.8M
Q3 24
$-3.0M
$8.5M
Q2 24
$8.1M
$-3.6M
Q1 24
$6.5M
$3.7M
Free Cash Flow
ERII
ERII
PRTS
PRTS
Q4 25
$6.4M
Q3 25
$-3.5M
$-8.3M
Q2 25
$4.0M
$-27.9M
Q1 25
$3.4M
Q4 24
$8.9M
$-631.0K
Q3 24
$-3.2M
$4.9M
Q2 24
$7.9M
$-10.8M
Q1 24
$5.7M
$-3.8M
FCF Margin
ERII
ERII
PRTS
PRTS
Q4 25
9.6%
Q3 25
-10.9%
-6.5%
Q2 25
14.3%
-18.3%
Q1 25
2.3%
Q4 24
13.2%
-0.5%
Q3 24
-8.2%
3.4%
Q2 24
28.9%
-7.5%
Q1 24
46.9%
-2.3%
Capex Intensity
ERII
ERII
PRTS
PRTS
Q4 25
1.0%
Q3 25
1.1%
1.5%
Q2 25
0.5%
1.5%
Q1 25
1.4%
Q4 24
0.2%
1.8%
Q3 24
0.4%
2.5%
Q2 24
0.7%
4.9%
Q1 24
6.8%
4.5%
Cash Conversion
ERII
ERII
PRTS
PRTS
Q4 25
0.26×
Q3 25
-0.81×
Q2 25
2.02×
Q1 25
Q4 24
0.38×
Q3 24
-0.35×
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

ERII
ERII

Water Segment$38.6M58%
Other$11.0M16%
Original Equipment Manufacturer$10.6M16%
Aftermarket$6.6M10%

PRTS
PRTS

Segment breakdown not available.

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