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Builders FirstSource, Inc. stock research

Latest · Mar 31, 2026

FY2026 Q1

Builders FirstSource (BLDR) Gross Margin & Quarterly History

Explore Builders FirstSource, Inc. (BLDR) gross margin from 2023 through the latest reported quarter, using SEC-sourced revenue, gross profit, and direct costs.

Gross margin takeaway

Quarter ended Mar 31, 2026 · FY2026 Q1

Revenue and gross profit were lower than both the prior quarter and the same quarter a year earlier. Cost of revenue remained stable compared to the prior quarter but was lower than a year ago, resulting in a weakened gross margin.

  • The strongest observable driver is the decline in gross profit while cost of revenue held steady sequentially, compressing the margin percentage.
  • Compared to the prior quarter, revenue and gross profit decreased, and gross margin weakened. The same trends were evident when compared to the same quarter one year earlier.

Gross margin snapshot

The selected quarter's reported revenue, gross profit, direct costs, and margin comparisons.

Gross margin

28.3%

Gross profit

$929.0M

Revenue

$3.3B

Cost of revenue

$2.4B

Quarter-over-quarter change

-1.6 pts

Year-over-year change

-2.2 pts

Quarterly gross margin trend

A four-quarter view of the revenue and direct-cost bridge behind gross margin.

PeriodRevenueGross profitCost of revenueGross margin
Jun 30, 2025$4.2B$1.3B$2.9B30.7%
Sep 30, 2025$3.9B$1.2B$2.7B30.4%
Dec 31, 2025$3.4B$1.0B$2.4B29.8%
Mar 31, 2026$3.3B$929.0M$2.4B28.3%

Quarterly comparisons

Compare the selected margin with the preceding quarter and the same fiscal quarter one year earlier.

Previous-quarter change

Dec 31, 2025

-1.6 pts

Year-over-year change

Mar 31, 2025

-2.2 pts

What the margin says

Filing-constrained interpretation of margin direction, comparisons, and what to monitor next.

The strongest observable driver is the decline in gross profit while cost of revenue held steady sequentially, compressing the margin percentage.

Compared to the prior quarter, revenue and gross profit decreased, and gross margin weakened. The same trends were evident when compared to the same quarter one year earlier.

Monitor whether cost of revenue remains stable as revenue changes, as this directly affects gross margin.

Peer context

Latest available gross margins for related public companies.

CompanyGross margin
Builders FirstSource, Inc. (BLDR)28.3%