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

CarParts.com, Inc. is the larger business by last-quarter revenue ($120.4M vs $62.6M, roughly 1.9× PubMatic, Inc.). CarParts.com, Inc. runs the higher net margin — -9.6% vs -20.0%, a 10.4% gap on every dollar of revenue. On growth, PubMatic, Inc. posted the faster year-over-year revenue change (-2.0% vs -9.8%). Over the past eight quarters, PubMatic, Inc.'s revenue compounded faster (-3.6% CAGR vs -8.6%).

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...

PubMatic, Inc. develops and implements online advertising software and strategies for the digital publishing and advertising industry. PubMatic's sell-side, real-time programmatic ad transaction advertising software puts publishers of websites, videos, and mobile apps into contact with ad buyers by using automated systems, while allowing users to opt-out of having their personal information collected on internet searches. PubMatic has a number of offices in countries around the world.

PRTS vs PUBM — Head-to-Head

Bigger by revenue
PRTS
PRTS
1.9× larger
PRTS
$120.4M
$62.6M
PUBM
Growing faster (revenue YoY)
PUBM
PUBM
+7.8% gap
PUBM
-2.0%
-9.8%
PRTS
Higher net margin
PRTS
PRTS
10.4% more per $
PRTS
-9.6%
-20.0%
PUBM
Faster 2-yr revenue CAGR
PUBM
PUBM
Annualised
PUBM
-3.6%
-8.6%
PRTS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
PRTS
PRTS
PUBM
PUBM
Revenue
$120.4M
$62.6M
Net Profit
$-11.6M
$-12.5M
Gross Margin
33.2%
58.3%
Operating Margin
17.3%
Net Margin
-9.6%
-20.0%
Revenue YoY
-9.8%
-2.0%
Net Profit YoY
25.0%
-31.9%
EPS (diluted)
$-0.82
$-0.27

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
PRTS
PRTS
PUBM
PUBM
Q1 26
$62.6M
Q4 25
$120.4M
$80.0M
Q3 25
$127.8M
$68.0M
Q2 25
$151.9M
$71.1M
Q1 25
$147.4M
$63.8M
Q4 24
$133.5M
$85.5M
Q3 24
$144.8M
$71.8M
Q2 24
$144.3M
$67.3M
Net Profit
PRTS
PRTS
PUBM
PUBM
Q1 26
$-12.5M
Q4 25
$-11.6M
Q3 25
$-10.9M
$-6.5M
Q2 25
$-12.7M
$-5.2M
Q1 25
$-15.3M
$-9.5M
Q4 24
$-15.4M
Q3 24
$-10.0M
$-912.0K
Q2 24
$-8.7M
$2.0M
Gross Margin
PRTS
PRTS
PUBM
PUBM
Q1 26
58.3%
Q4 25
33.2%
68.2%
Q3 25
33.1%
62.6%
Q2 25
32.8%
62.6%
Q1 25
32.1%
59.9%
Q4 24
32.5%
70.8%
Q3 24
35.2%
64.5%
Q2 24
33.5%
62.6%
Operating Margin
PRTS
PRTS
PUBM
PUBM
Q1 26
17.3%
Q4 25
10.6%
Q3 25
-7.9%
-12.4%
Q2 25
-8.2%
-7.7%
Q1 25
-10.3%
-18.6%
Q4 24
-11.6%
17.3%
Q3 24
-6.9%
-1.9%
Q2 24
-6.0%
-5.9%
Net Margin
PRTS
PRTS
PUBM
PUBM
Q1 26
-20.0%
Q4 25
-9.6%
Q3 25
-8.5%
-9.5%
Q2 25
-8.4%
-7.3%
Q1 25
-10.4%
-14.9%
Q4 24
-11.5%
Q3 24
-6.9%
-1.3%
Q2 24
-6.0%
2.9%
EPS (diluted)
PRTS
PRTS
PUBM
PUBM
Q1 26
$-0.27
Q4 25
$-0.82
$0.14
Q3 25
$-0.19
$-0.14
Q2 25
$-0.23
$-0.11
Q1 25
$-0.27
$-0.20
Q4 24
$-0.28
$0.26
Q3 24
$-0.17
$-0.02
Q2 24
$-0.15
$0.04

Balance Sheet & Financial Strength

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

Metric
PRTS
PRTS
PUBM
PUBM
Cash + ST InvestmentsLiquidity on hand
$25.8M
$144.9M
Total DebtLower is stronger
Stockholders' EquityBook value
$53.5M
$251.0M
Total Assets
$184.9M
$659.4M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRTS
PRTS
PUBM
PUBM
Q1 26
$144.9M
Q4 25
$25.8M
$145.5M
Q3 25
$136.5M
Q2 25
$90.5M
Q1 25
$101.8M
Q4 24
$100.5M
Q3 24
$78.9M
Q2 24
$73.5M
Stockholders' Equity
PRTS
PRTS
PUBM
PUBM
Q1 26
$251.0M
Q4 25
$53.5M
$262.6M
Q3 25
$64.2M
$245.1M
Q2 25
$62.4M
$243.3M
Q1 25
$72.8M
$275.6M
Q4 24
$85.2M
$277.3M
Q3 24
$97.2M
$263.2M
Q2 24
$103.9M
$282.7M
Total Assets
PRTS
PRTS
PUBM
PUBM
Q1 26
$659.4M
Q4 25
$184.9M
$680.2M
Q3 25
$200.3M
$676.2M
Q2 25
$189.6M
$675.2M
Q1 25
$216.5M
$668.6M
Q4 24
$210.6M
$739.5M
Q3 24
$227.6M
$689.1M
Q2 24
$238.0M
$673.1M

Cash Flow & Capital Efficiency

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

Metric
PRTS
PRTS
PUBM
PUBM
Operating Cash FlowLast quarter
$17.3M
Free Cash FlowOCF − Capex
$10.7M
FCF MarginFCF / Revenue
17.1%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$63.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRTS
PRTS
PUBM
PUBM
Q1 26
$17.3M
Q4 25
$18.2M
Q3 25
$-6.4M
$32.4M
Q2 25
$-25.6M
$14.9M
Q1 25
$5.5M
$15.6M
Q4 24
$1.8M
$18.0M
Q3 24
$8.5M
$19.1M
Q2 24
$-3.6M
$11.9M
Free Cash Flow
PRTS
PRTS
PUBM
PUBM
Q1 26
$10.7M
Q4 25
$11.3M
Q3 25
$-8.3M
$27.7M
Q2 25
$-27.9M
$13.6M
Q1 25
$3.4M
$14.2M
Q4 24
$-631.0K
$13.7M
Q3 24
$4.9M
$7.4M
Q2 24
$-10.8M
$11.2M
FCF Margin
PRTS
PRTS
PUBM
PUBM
Q1 26
17.1%
Q4 25
14.1%
Q3 25
-6.5%
40.8%
Q2 25
-18.3%
19.1%
Q1 25
2.3%
22.2%
Q4 24
-0.5%
16.1%
Q3 24
3.4%
10.3%
Q2 24
-7.5%
16.7%
Capex Intensity
PRTS
PRTS
PUBM
PUBM
Q1 26
Q4 25
8.6%
Q3 25
1.5%
6.9%
Q2 25
1.5%
1.9%
Q1 25
1.4%
2.3%
Q4 24
1.8%
5.1%
Q3 24
2.5%
16.3%
Q2 24
4.9%
1.1%
Cash Conversion
PRTS
PRTS
PUBM
PUBM
Q1 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
6.06×

Financial Flow Comparison

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

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