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Side-by-side financial comparison of ACV Auctions Inc. (ACVA) and Builders FirstSource (BLDR). Click either name above to swap in a different company.

Builders FirstSource is the larger business by last-quarter revenue ($3.4B vs $183.6M, roughly 18.3× ACV Auctions Inc.). On growth, ACV Auctions Inc. posted the faster year-over-year revenue change (15.1% vs -12.1%). Builders FirstSource produced more free cash flow last quarter ($106.7M vs $-14.7M). Over the past eight quarters, ACV Auctions Inc.'s revenue compounded faster (12.3% CAGR vs -7.1%).

ACV Auctions Inc. operates a leading digital wholesale vehicle auction platform serving automotive dealers across the U.S. and Canada. It offers end-to-end services including transparent vehicle inspections, secure payment processing, and logistics support, enabling efficient trading of used vehicles between registered wholesale buyers and sellers.

Builders FirstSource, Inc. is a Fortune 500 company that is a manufacturer and supplier of building materials. The company is headquartered in Irving, Texas, and is the largest supplier of building products, prefabricated components and value-added services in the US. Builders FirstSource employs over 15,000 people throughout the USA. They serve new residential construction, repair and remodeling professionals. The company was incorporated in March 1998.

ACVA vs BLDR — Head-to-Head

Bigger by revenue
BLDR
BLDR
18.3× larger
BLDR
$3.4B
$183.6M
ACVA
Growing faster (revenue YoY)
ACVA
ACVA
+27.2% gap
ACVA
15.1%
-12.1%
BLDR
More free cash flow
BLDR
BLDR
$121.4M more FCF
BLDR
$106.7M
$-14.7M
ACVA
Faster 2-yr revenue CAGR
ACVA
ACVA
Annualised
ACVA
12.3%
-7.1%
BLDR

Income Statement — Q4 2025 vs Q4 2025

Metric
ACVA
ACVA
BLDR
BLDR
Revenue
$183.6M
$3.4B
Net Profit
$31.5M
Gross Margin
29.8%
Operating Margin
-9.7%
1.8%
Net Margin
0.9%
Revenue YoY
15.1%
-12.1%
Net Profit YoY
-83.5%
EPS (diluted)
$-0.12
$0.29

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
ACVA
ACVA
BLDR
BLDR
Q4 25
$183.6M
$3.4B
Q3 25
$199.6M
$3.9B
Q2 25
$193.7M
$4.2B
Q1 25
$182.7M
$3.7B
Q4 24
$159.5M
$3.8B
Q3 24
$171.3M
$4.2B
Q2 24
$160.6M
$4.5B
Q1 24
$145.7M
$3.9B
Net Profit
ACVA
ACVA
BLDR
BLDR
Q4 25
$31.5M
Q3 25
$-24.5M
$122.4M
Q2 25
$-7.3M
$185.0M
Q1 25
$-14.8M
$96.3M
Q4 24
$190.2M
Q3 24
$-16.0M
$284.8M
Q2 24
$-17.1M
$344.1M
Q1 24
$-20.5M
$258.8M
Gross Margin
ACVA
ACVA
BLDR
BLDR
Q4 25
29.8%
Q3 25
30.4%
Q2 25
30.7%
Q1 25
30.5%
Q4 24
32.3%
Q3 24
32.8%
Q2 24
32.8%
Q1 24
33.4%
Operating Margin
ACVA
ACVA
BLDR
BLDR
Q4 25
-9.7%
1.8%
Q3 25
-11.9%
5.8%
Q2 25
-3.7%
7.4%
Q1 25
-7.9%
5.0%
Q4 24
-16.2%
8.0%
Q3 24
-10.0%
10.1%
Q2 24
-11.6%
11.0%
Q1 24
-15.5%
9.6%
Net Margin
ACVA
ACVA
BLDR
BLDR
Q4 25
0.9%
Q3 25
-12.3%
3.1%
Q2 25
-3.8%
4.4%
Q1 25
-8.1%
2.6%
Q4 24
5.0%
Q3 24
-9.4%
6.7%
Q2 24
-10.6%
7.7%
Q1 24
-14.1%
6.7%
EPS (diluted)
ACVA
ACVA
BLDR
BLDR
Q4 25
$-0.12
$0.29
Q3 25
$-0.14
$1.10
Q2 25
$-0.04
$1.66
Q1 25
$-0.09
$0.84
Q4 24
$-0.15
$1.65
Q3 24
$-0.10
$2.44
Q2 24
$-0.10
$2.87
Q1 24
$-0.13
$2.10

Balance Sheet & Financial Strength

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

Metric
ACVA
ACVA
BLDR
BLDR
Cash + ST InvestmentsLiquidity on hand
$271.5M
$181.8M
Total DebtLower is stronger
$4.4B
Stockholders' EquityBook value
$429.7M
$4.4B
Total Assets
$1.1B
$11.2B
Debt / EquityLower = less leverage
1.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ACVA
ACVA
BLDR
BLDR
Q4 25
$271.5M
$181.8M
Q3 25
$265.3M
$296.2M
Q2 25
$258.4M
$87.0M
Q1 25
$291.9M
$115.4M
Q4 24
$224.1M
$153.6M
Q3 24
$252.5M
$328.1M
Q2 24
$215.0M
$75.6M
Q1 24
$209.8M
$697.5M
Total Debt
ACVA
ACVA
BLDR
BLDR
Q4 25
$4.4B
Q3 25
$4.4B
Q2 25
$4.7B
Q1 25
$4.5B
Q4 24
$3.7B
Q3 24
$3.7B
Q2 24
$3.8B
Q1 24
$3.7B
Stockholders' Equity
ACVA
ACVA
BLDR
BLDR
Q4 25
$429.7M
$4.4B
Q3 25
$434.4M
$4.3B
Q2 25
$448.8M
$4.2B
Q1 25
$439.6M
$4.4B
Q4 24
$440.0M
$4.3B
Q3 24
$456.2M
$4.4B
Q2 24
$457.6M
$4.3B
Q1 24
$458.3M
$5.0B
Total Assets
ACVA
ACVA
BLDR
BLDR
Q4 25
$1.1B
$11.2B
Q3 25
$1.2B
$11.4B
Q2 25
$1.1B
$11.5B
Q1 25
$1.2B
$11.4B
Q4 24
$984.1M
$10.6B
Q3 24
$1.0B
$10.9B
Q2 24
$1.0B
$10.7B
Q1 24
$1.0B
$11.2B
Debt / Equity
ACVA
ACVA
BLDR
BLDR
Q4 25
1.02×
Q3 25
1.03×
Q2 25
1.12×
Q1 25
1.02×
Q4 24
0.86×
Q3 24
0.83×
Q2 24
0.88×
Q1 24
0.75×

Cash Flow & Capital Efficiency

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

Metric
ACVA
ACVA
BLDR
BLDR
Operating Cash FlowLast quarter
$-12.4M
$194.8M
Free Cash FlowOCF − Capex
$-14.7M
$106.7M
FCF MarginFCF / Revenue
-8.0%
3.2%
Capex IntensityCapex / Revenue
1.2%
2.6%
Cash ConversionOCF / Net Profit
6.19×
TTM Free Cash FlowTrailing 4 quarters
$69.1M
$853.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ACVA
ACVA
BLDR
BLDR
Q4 25
$-12.4M
$194.8M
Q3 25
$10.3M
$547.7M
Q2 25
$13.7M
$341.0M
Q1 25
$66.6M
$132.3M
Q4 24
$-3.2M
$373.5M
Q3 24
$21.1M
$730.0M
Q2 24
$4.5M
$452.1M
Q1 24
$43.0M
$317.2M
Free Cash Flow
ACVA
ACVA
BLDR
BLDR
Q4 25
$-14.7M
$106.7M
Q3 25
$7.7M
$461.9M
Q2 25
$10.9M
$252.3M
Q1 25
$65.3M
$32.4M
Q4 24
$-3.9M
$273.8M
Q3 24
$20.2M
$630.4M
Q2 24
$2.7M
$364.0M
Q1 24
$41.9M
$224.0M
FCF Margin
ACVA
ACVA
BLDR
BLDR
Q4 25
-8.0%
3.2%
Q3 25
3.8%
11.7%
Q2 25
5.6%
6.0%
Q1 25
35.7%
0.9%
Q4 24
-2.5%
7.2%
Q3 24
11.8%
14.9%
Q2 24
1.7%
8.2%
Q1 24
28.8%
5.8%
Capex Intensity
ACVA
ACVA
BLDR
BLDR
Q4 25
1.2%
2.6%
Q3 25
1.3%
2.2%
Q2 25
1.5%
2.1%
Q1 25
0.7%
2.7%
Q4 24
0.4%
2.6%
Q3 24
0.6%
2.4%
Q2 24
1.1%
2.0%
Q1 24
0.7%
2.4%
Cash Conversion
ACVA
ACVA
BLDR
BLDR
Q4 25
6.19×
Q3 25
4.48×
Q2 25
1.84×
Q1 25
1.37×
Q4 24
1.96×
Q3 24
2.56×
Q2 24
1.31×
Q1 24
1.23×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ACVA
ACVA

Auction Marketplace Revenue$77.6M42%
Other Marketplace Revenue$72.4M39%
Customer Assurance$24.1M13%
Data Services Revenue$9.4M5%

BLDR
BLDR

Specialty Building Products And Services$949.0M28%
Windows Doors And Millwork$893.5M27%
Lumber And Lumber Sheet Goods$772.6M23%
Manufactured Products$742.8M22%

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