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

STONERIDGE INC is the larger business by last-quarter revenue ($205.2M vs $120.4M, roughly 1.7× CarParts.com, Inc.). On growth, STONERIDGE INC posted the faster year-over-year revenue change (-6.0% vs -9.8%). Over the past eight quarters, STONERIDGE INC's revenue compounded faster (-7.4% 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...

Stoneridge Inc is a global designer and manufacturer of advanced electrical and electronic components, integrated systems, and sensor solutions. It serves automotive, commercial vehicle, off-highway, and aerospace sectors, delivering products that boost vehicle safety, efficiency, connectivity, and environmental performance across key global markets.

PRTS vs SRI — Head-to-Head

Bigger by revenue
SRI
SRI
1.7× larger
SRI
$205.2M
$120.4M
PRTS
Growing faster (revenue YoY)
SRI
SRI
+3.8% gap
SRI
-6.0%
-9.8%
PRTS
Faster 2-yr revenue CAGR
SRI
SRI
Annualised
SRI
-7.4%
-8.6%
PRTS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PRTS
PRTS
SRI
SRI
Revenue
$120.4M
$205.2M
Net Profit
$-11.6M
Gross Margin
33.2%
16.2%
Operating Margin
-14.4%
Net Margin
-9.6%
Revenue YoY
-9.8%
-6.0%
Net Profit YoY
25.0%
EPS (diluted)
$-0.82
$-2.76

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
SRI
SRI
Q4 25
$120.4M
$205.2M
Q3 25
$127.8M
$210.3M
Q2 25
$151.9M
$228.0M
Q1 25
$147.4M
$217.9M
Q4 24
$133.5M
$218.2M
Q3 24
$144.8M
$213.8M
Q2 24
$144.3M
$237.1M
Q1 24
$239.2M
Net Profit
PRTS
PRTS
SRI
SRI
Q4 25
$-11.6M
Q3 25
$-10.9M
$-9.4M
Q2 25
$-12.7M
$-9.4M
Q1 25
$-15.3M
$-7.2M
Q4 24
$-15.4M
Q3 24
$-10.0M
$-7.1M
Q2 24
$-8.7M
$2.8M
Q1 24
$-6.1M
Gross Margin
PRTS
PRTS
SRI
SRI
Q4 25
33.2%
16.2%
Q3 25
33.1%
20.3%
Q2 25
32.8%
21.5%
Q1 25
32.1%
21.2%
Q4 24
32.5%
19.5%
Q3 24
35.2%
20.8%
Q2 24
33.5%
22.7%
Q1 24
20.2%
Operating Margin
PRTS
PRTS
SRI
SRI
Q4 25
-14.4%
Q3 25
-7.9%
-1.6%
Q2 25
-8.2%
-1.1%
Q1 25
-10.3%
-1.5%
Q4 24
-11.6%
-2.0%
Q3 24
-6.9%
0.1%
Q2 24
-6.0%
1.4%
Q1 24
0.1%
Net Margin
PRTS
PRTS
SRI
SRI
Q4 25
-9.6%
Q3 25
-8.5%
-4.5%
Q2 25
-8.4%
-4.1%
Q1 25
-10.4%
-3.3%
Q4 24
-11.5%
Q3 24
-6.9%
-3.3%
Q2 24
-6.0%
1.2%
Q1 24
-2.6%
EPS (diluted)
PRTS
PRTS
SRI
SRI
Q4 25
$-0.82
$-2.76
Q3 25
$-0.19
$-0.34
Q2 25
$-0.23
$-0.34
Q1 25
$-0.27
$-0.26
Q4 24
$-0.28
$-0.22
Q3 24
$-0.17
$-0.26
Q2 24
$-0.15
$0.10
Q1 24
$-0.22

Balance Sheet & Financial Strength

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

Metric
PRTS
PRTS
SRI
SRI
Cash + ST InvestmentsLiquidity on hand
$25.8M
$66.3M
Total DebtLower is stronger
$180.9M
Stockholders' EquityBook value
$53.5M
$179.8M
Total Assets
$184.9M
$551.2M
Debt / EquityLower = less leverage
1.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRTS
PRTS
SRI
SRI
Q4 25
$25.8M
$66.3M
Q3 25
$54.0M
Q2 25
$49.8M
Q1 25
$79.1M
Q4 24
$71.8M
Q3 24
$54.1M
Q2 24
$42.1M
Q1 24
$48.4M
Total Debt
PRTS
PRTS
SRI
SRI
Q4 25
$180.9M
Q3 25
Q2 25
Q1 25
Q4 24
$201.6M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
PRTS
PRTS
SRI
SRI
Q4 25
$53.5M
$179.8M
Q3 25
$64.2M
$251.2M
Q2 25
$62.4M
$260.5M
Q1 25
$72.8M
$253.1M
Q4 24
$85.2M
$245.3M
Q3 24
$97.2M
$271.4M
Q2 24
$103.9M
$270.5M
Q1 24
$277.3M
Total Assets
PRTS
PRTS
SRI
SRI
Q4 25
$184.9M
$551.2M
Q3 25
$200.3M
$632.1M
Q2 25
$189.6M
$639.4M
Q1 25
$216.5M
$657.4M
Q4 24
$210.6M
$621.6M
Q3 24
$227.6M
$662.5M
Q2 24
$238.0M
$666.7M
Q1 24
$675.4M
Debt / Equity
PRTS
PRTS
SRI
SRI
Q4 25
1.01×
Q3 25
Q2 25
Q1 25
Q4 24
0.82×
Q3 24
Q2 24
Q1 24

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
SRI
SRI
Operating Cash FlowLast quarter
$8.8M
Free Cash FlowOCF − Capex
$2.6M
FCF MarginFCF / Revenue
1.3%
Capex IntensityCapex / Revenue
3.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$12.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRTS
PRTS
SRI
SRI
Q4 25
$8.8M
Q3 25
$-6.4M
$3.6M
Q2 25
$-25.6M
$10.7M
Q1 25
$5.5M
$10.9M
Q4 24
$1.8M
$19.2M
Q3 24
$8.5M
$10.8M
Q2 24
$-3.6M
$8.7M
Q1 24
$9.1M
Free Cash Flow
PRTS
PRTS
SRI
SRI
Q4 25
$2.6M
Q3 25
$-8.3M
$-2.7M
Q2 25
$-27.9M
$7.4M
Q1 25
$3.4M
$4.8M
Q4 24
$-631.0K
$14.0M
Q3 24
$4.9M
$4.6M
Q2 24
$-10.8M
$1.5M
Q1 24
$3.3M
FCF Margin
PRTS
PRTS
SRI
SRI
Q4 25
1.3%
Q3 25
-6.5%
-1.3%
Q2 25
-18.3%
3.3%
Q1 25
2.3%
2.2%
Q4 24
-0.5%
6.4%
Q3 24
3.4%
2.2%
Q2 24
-7.5%
0.6%
Q1 24
1.4%
Capex Intensity
PRTS
PRTS
SRI
SRI
Q4 25
3.0%
Q3 25
1.5%
3.0%
Q2 25
1.5%
1.4%
Q1 25
1.4%
2.8%
Q4 24
1.8%
2.4%
Q3 24
2.5%
2.9%
Q2 24
4.9%
3.0%
Q1 24
2.4%
Cash Conversion
PRTS
PRTS
SRI
SRI
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
3.11×
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

PRTS
PRTS

Segment breakdown not available.

SRI
SRI

Control Devices$51.7M25%
Electronics$38.0M19%
EE$34.2M17%
SE$28.6M14%
NL$24.5M12%
Stoneridge Brazil$14.1M7%
Asia Pacific$13.1M6%

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