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Side-by-side financial comparison of CarParts.com, Inc. (PRTS) and UNITED STATES LIME & MINERALS INC (USLM). Click either name above to swap in a different company.

CarParts.com, Inc. is the larger business by last-quarter revenue ($120.4M vs $87.9M, roughly 1.4× UNITED STATES LIME & MINERALS INC). UNITED STATES LIME & MINERALS INC runs the higher net margin — 34.7% vs -9.6%, a 44.3% gap on every dollar of revenue. On growth, UNITED STATES LIME & MINERALS INC posted the faster year-over-year revenue change (9.8% vs -9.8%). Over the past eight quarters, UNITED STATES LIME & MINERALS INC's revenue compounded faster (10.8% 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...

United States Lime & Minerals Inc is a leading US-based natural resources enterprise that produces high-calcium lime, dolomitic lime, limestone and related mineral products. Its core client segments cover infrastructure construction, steel manufacturing, agricultural soil amendment, environmental emission control and industrial processing, serving customers across North America.

PRTS vs USLM — Head-to-Head

Bigger by revenue
PRTS
PRTS
1.4× larger
PRTS
$120.4M
$87.9M
USLM
Growing faster (revenue YoY)
USLM
USLM
+19.7% gap
USLM
9.8%
-9.8%
PRTS
Higher net margin
USLM
USLM
44.3% more per $
USLM
34.7%
-9.6%
PRTS
Faster 2-yr revenue CAGR
USLM
USLM
Annualised
USLM
10.8%
-8.6%
PRTS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
PRTS
PRTS
USLM
USLM
Revenue
$120.4M
$87.9M
Net Profit
$-11.6M
$30.5M
Gross Margin
33.2%
48.0%
Operating Margin
41.0%
Net Margin
-9.6%
34.7%
Revenue YoY
-9.8%
9.8%
Net Profit YoY
25.0%
13.2%
EPS (diluted)
$-0.82
$1.06

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
USLM
USLM
Q4 25
$120.4M
$87.9M
Q3 25
$127.8M
$102.0M
Q2 25
$151.9M
$91.5M
Q1 25
$147.4M
$91.3M
Q4 24
$133.5M
$80.1M
Q3 24
$144.8M
$89.4M
Q2 24
$144.3M
$76.5M
Q1 24
$71.7M
Net Profit
PRTS
PRTS
USLM
USLM
Q4 25
$-11.6M
$30.5M
Q3 25
$-10.9M
$38.8M
Q2 25
$-12.7M
$30.8M
Q1 25
$-15.3M
$34.1M
Q4 24
$-15.4M
$27.0M
Q3 24
$-10.0M
$33.4M
Q2 24
$-8.7M
$26.1M
Q1 24
$22.4M
Gross Margin
PRTS
PRTS
USLM
USLM
Q4 25
33.2%
48.0%
Q3 25
33.1%
51.2%
Q2 25
32.8%
45.8%
Q1 25
32.1%
50.6%
Q4 24
32.5%
44.3%
Q3 24
35.2%
48.2%
Q2 24
33.5%
45.5%
Q1 24
42.7%
Operating Margin
PRTS
PRTS
USLM
USLM
Q4 25
41.0%
Q3 25
-7.9%
45.3%
Q2 25
-8.2%
39.0%
Q1 25
-10.3%
43.7%
Q4 24
-11.6%
38.8%
Q3 24
-6.9%
42.6%
Q2 24
-6.0%
39.1%
Q1 24
35.9%
Net Margin
PRTS
PRTS
USLM
USLM
Q4 25
-9.6%
34.7%
Q3 25
-8.5%
38.0%
Q2 25
-8.4%
33.7%
Q1 25
-10.4%
37.4%
Q4 24
-11.5%
33.7%
Q3 24
-6.9%
37.3%
Q2 24
-6.0%
34.0%
Q1 24
31.3%
EPS (diluted)
PRTS
PRTS
USLM
USLM
Q4 25
$-0.82
$1.06
Q3 25
$-0.19
$1.35
Q2 25
$-0.23
$1.07
Q1 25
$-0.27
$1.19
Q4 24
$-0.28
$-2.20
Q3 24
$-0.17
$1.16
Q2 24
$-0.15
$0.91
Q1 24
$3.92

Balance Sheet & Financial Strength

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

Metric
PRTS
PRTS
USLM
USLM
Cash + ST InvestmentsLiquidity on hand
$25.8M
$371.1M
Total DebtLower is stronger
$0
Stockholders' EquityBook value
$53.5M
$630.8M
Total Assets
$184.9M
$681.0M
Debt / EquityLower = less leverage
0.00×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PRTS
PRTS
USLM
USLM
Q4 25
$25.8M
$371.1M
Q3 25
$349.5M
Q2 25
$319.9M
Q1 25
$300.6M
Q4 24
$278.0M
Q3 24
$255.0M
Q2 24
$222.5M
Q1 24
$207.0M
Total Debt
PRTS
PRTS
USLM
USLM
Q4 25
$0
Q3 25
$0
Q2 25
$0
Q1 25
$0
Q4 24
$0
Q3 24
$0
Q2 24
$0
Q1 24
$0
Stockholders' Equity
PRTS
PRTS
USLM
USLM
Q4 25
$53.5M
$630.8M
Q3 25
$64.2M
$602.3M
Q2 25
$62.4M
$563.3M
Q1 25
$72.8M
$532.2M
Q4 24
$85.2M
$497.7M
Q3 24
$97.2M
$474.2M
Q2 24
$103.9M
$441.1M
Q1 24
$415.3M
Total Assets
PRTS
PRTS
USLM
USLM
Q4 25
$184.9M
$681.0M
Q3 25
$200.3M
$652.8M
Q2 25
$189.6M
$607.4M
Q1 25
$216.5M
$585.3M
Q4 24
$210.6M
$543.2M
Q3 24
$227.6M
$521.8M
Q2 24
$238.0M
$484.2M
Q1 24
$464.0M
Debt / Equity
PRTS
PRTS
USLM
USLM
Q4 25
0.00×
Q3 25
0.00×
Q2 25
0.00×
Q1 25
0.00×
Q4 24
0.00×
Q3 24
0.00×
Q2 24
0.00×
Q1 24
0.00×

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
USLM
USLM
Operating Cash FlowLast quarter
$45.6M
Free Cash FlowOCF − Capex
$25.7M
FCF MarginFCF / Revenue
29.2%
Capex IntensityCapex / Revenue
22.6%
Cash ConversionOCF / Net Profit
1.49×
TTM Free Cash FlowTrailing 4 quarters
$102.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PRTS
PRTS
USLM
USLM
Q4 25
$45.6M
Q3 25
$-6.4M
$45.9M
Q2 25
$-25.6M
$34.0M
Q1 25
$5.5M
$39.4M
Q4 24
$1.8M
$38.6M
Q3 24
$8.5M
$39.0M
Q2 24
$-3.6M
$21.2M
Q1 24
$27.2M
Free Cash Flow
PRTS
PRTS
USLM
USLM
Q4 25
$25.7M
Q3 25
$-8.3M
$31.3M
Q2 25
$-27.9M
$20.8M
Q1 25
$3.4M
$24.6M
Q4 24
$-631.0K
$27.6M
Q3 24
$4.9M
$33.9M
Q2 24
$-10.8M
$16.8M
Q1 24
$20.3M
FCF Margin
PRTS
PRTS
USLM
USLM
Q4 25
29.2%
Q3 25
-6.5%
30.7%
Q2 25
-18.3%
22.7%
Q1 25
2.3%
26.9%
Q4 24
-0.5%
34.4%
Q3 24
3.4%
37.9%
Q2 24
-7.5%
21.9%
Q1 24
28.4%
Capex Intensity
PRTS
PRTS
USLM
USLM
Q4 25
22.6%
Q3 25
1.5%
14.4%
Q2 25
1.5%
14.5%
Q1 25
1.4%
16.3%
Q4 24
1.8%
13.8%
Q3 24
2.5%
5.8%
Q2 24
4.9%
5.7%
Q1 24
9.5%
Cash Conversion
PRTS
PRTS
USLM
USLM
Q4 25
1.49×
Q3 25
1.18×
Q2 25
1.10×
Q1 25
1.16×
Q4 24
1.43×
Q3 24
1.17×
Q2 24
0.81×
Q1 24
1.21×

Financial Flow Comparison

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

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