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Side-by-side financial comparison of Ouster, Inc. (OUST) 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 $62.2M, roughly 1.9× Ouster, Inc.). On growth, Ouster, Inc. posted the faster year-over-year revenue change (106.6% vs -9.8%). Over the past eight quarters, Ouster, Inc.'s revenue compounded faster (54.8% CAGR vs -8.6%).

Ouster, Inc. is an American lidar technology company headquartered in San Francisco, California. It builds high-resolution, digital 3D lidar sensors for use in autonomous vehicles, industrial, robotics, drones, mapping, defense, and security systems.

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...

OUST vs PRTS — Head-to-Head

Bigger by revenue
PRTS
PRTS
1.9× larger
PRTS
$120.4M
$62.2M
OUST
Growing faster (revenue YoY)
OUST
OUST
+116.4% gap
OUST
106.6%
-9.8%
PRTS
Faster 2-yr revenue CAGR
OUST
OUST
Annualised
OUST
54.8%
-8.6%
PRTS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
OUST
OUST
PRTS
PRTS
Revenue
$62.2M
$120.4M
Net Profit
$-11.6M
Gross Margin
60.2%
33.2%
Operating Margin
1.5%
Net Margin
-9.6%
Revenue YoY
106.6%
-9.8%
Net Profit YoY
25.0%
EPS (diluted)
$0.10
$-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
OUST
OUST
PRTS
PRTS
Q4 25
$62.2M
$120.4M
Q3 25
$39.5M
$127.8M
Q2 25
$35.0M
$151.9M
Q1 25
$32.6M
$147.4M
Q4 24
$30.1M
$133.5M
Q3 24
$28.1M
$144.8M
Q2 24
$27.0M
$144.3M
Q1 24
$25.9M
Net Profit
OUST
OUST
PRTS
PRTS
Q4 25
$-11.6M
Q3 25
$-21.7M
$-10.9M
Q2 25
$-20.6M
$-12.7M
Q1 25
$-22.0M
$-15.3M
Q4 24
$-15.4M
Q3 24
$-25.6M
$-10.0M
Q2 24
$-23.9M
$-8.7M
Q1 24
$-23.8M
Gross Margin
OUST
OUST
PRTS
PRTS
Q4 25
60.2%
33.2%
Q3 25
42.1%
33.1%
Q2 25
45.2%
32.8%
Q1 25
41.3%
32.1%
Q4 24
43.8%
32.5%
Q3 24
38.3%
35.2%
Q2 24
33.7%
33.5%
Q1 24
28.6%
Operating Margin
OUST
OUST
PRTS
PRTS
Q4 25
1.5%
Q3 25
-61.4%
-7.9%
Q2 25
-76.5%
-8.2%
Q1 25
-73.0%
-10.3%
Q4 24
-85.1%
-11.6%
Q3 24
-98.0%
-6.9%
Q2 24
-93.6%
-6.0%
Q1 24
-99.5%
Net Margin
OUST
OUST
PRTS
PRTS
Q4 25
-9.6%
Q3 25
-55.0%
-8.5%
Q2 25
-58.8%
-8.4%
Q1 25
-67.5%
-10.4%
Q4 24
-11.5%
Q3 24
-91.1%
-6.9%
Q2 24
-88.4%
-6.0%
Q1 24
-91.9%
EPS (diluted)
OUST
OUST
PRTS
PRTS
Q4 25
$0.10
$-0.82
Q3 25
$-0.37
$-0.19
Q2 25
$-0.38
$-0.23
Q1 25
$-0.42
$-0.27
Q4 24
$-0.46
$-0.28
Q3 24
$-0.54
$-0.17
Q2 24
$-0.53
$-0.15
Q1 24
$-0.55

Balance Sheet & Financial Strength

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

Metric
OUST
OUST
PRTS
PRTS
Cash + ST InvestmentsLiquidity on hand
$208.6M
$25.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$261.7M
$53.5M
Total Assets
$349.5M
$184.9M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OUST
OUST
PRTS
PRTS
Q4 25
$208.6M
$25.8M
Q3 25
$244.5M
Q2 25
$226.5M
Q1 25
$168.2M
Q4 24
$172.0M
Q3 24
$151.4M
Q2 24
$184.2M
Q1 24
$187.8M
Stockholders' Equity
OUST
OUST
PRTS
PRTS
Q4 25
$261.7M
$53.5M
Q3 25
$247.4M
$64.2M
Q2 25
$221.0M
$62.4M
Q1 25
$167.9M
$72.8M
Q4 24
$180.9M
$85.2M
Q3 24
$171.7M
$97.2M
Q2 24
$170.6M
$103.9M
Q1 24
$167.2M
Total Assets
OUST
OUST
PRTS
PRTS
Q4 25
$349.5M
$184.9M
Q3 25
$353.8M
$200.3M
Q2 25
$321.8M
$189.6M
Q1 25
$268.6M
$216.5M
Q4 24
$276.1M
$210.6M
Q3 24
$255.2M
$227.6M
Q2 24
$309.9M
$238.0M
Q1 24
$317.7M

Cash Flow & Capital Efficiency

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

Metric
OUST
OUST
PRTS
PRTS
Operating Cash FlowLast quarter
$-15.4M
Free Cash FlowOCF − Capex
$-37.2M
FCF MarginFCF / Revenue
-59.8%
Capex IntensityCapex / Revenue
35.0%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-64.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OUST
OUST
PRTS
PRTS
Q4 25
$-15.4M
Q3 25
$-18.3M
$-6.4M
Q2 25
$-1.3M
$-25.6M
Q1 25
$-4.9M
$5.5M
Q4 24
$-2.6M
$1.8M
Q3 24
$-3.8M
$8.5M
Q2 24
$-21.6M
$-3.6M
Q1 24
$-5.7M
Free Cash Flow
OUST
OUST
PRTS
PRTS
Q4 25
$-37.2M
Q3 25
$-20.0M
$-8.3M
Q2 25
$-2.2M
$-27.9M
Q1 25
$-5.4M
$3.4M
Q4 24
$-4.0M
$-631.0K
Q3 24
$-4.3M
$4.9M
Q2 24
$-22.0M
$-10.8M
Q1 24
$-7.1M
FCF Margin
OUST
OUST
PRTS
PRTS
Q4 25
-59.8%
Q3 25
-50.7%
-6.5%
Q2 25
-6.3%
-18.3%
Q1 25
-16.6%
2.3%
Q4 24
-13.3%
-0.5%
Q3 24
-15.4%
3.4%
Q2 24
-81.5%
-7.5%
Q1 24
-27.4%
Capex Intensity
OUST
OUST
PRTS
PRTS
Q4 25
35.0%
Q3 25
4.3%
1.5%
Q2 25
2.5%
1.5%
Q1 25
1.7%
1.4%
Q4 24
4.8%
1.8%
Q3 24
2.0%
2.5%
Q2 24
1.3%
4.9%
Q1 24
5.3%

Financial Flow Comparison

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

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