Stocks / BLDR vs PRLB

BLDR vs PRLB: Which Stock Is the Better Buy?

Builders FirstSource, Inc. and Proto Labs, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Industrials.

BLDR is the larger company ($7.1B vs $1.8B). On the fundamentals, BLDR grows revenue faster (12.2% vs 4.2%); PRLB earns a higher net margin (4.0% vs 2.9%); BLDR has the stronger return on equity (10.0% vs 3.2%). On the filings, PRLB carries fewer potential red flags (0 vs 1). Full numbers below — the stronger figure on each row is in green.

AI verdict — BLDR vs PRLB, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 Builders FirstSource, Inc. (BLDR)Proto Labs, Inc. (PRLB)
Market cap$7.1B$1.8B
Revenue (latest FY)$15.19B$533.13M
Net income (latest FY)$435.20M$21.24M
Revenue growth (5y CAGR)12.2%4.2%
Net margin2.9%4.0%
Return on equity10.0%3.2%
P/E ratio72.270.1
Dividend yield
Profitable years (of last 10)109
Positive free cash flowYesYes

Verify the comparison

Use the filing period and source shown by each tool before treating two figures as comparable.

Compare with another company:

See the full BLDR vs PRLB breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open BLDR's full financials →   Open PRLB's full financials →

More comparisons

Frequently asked questions

Which is bigger, BLDR or PRLB?

Builders FirstSource, Inc. is larger by market capitalization — $7.1B versus $1.8B.

Which grows faster, BLDR or PRLB?

Over the last five fiscal years, Builders FirstSource, Inc. grew revenue faster — 12.2%/yr versus 4.2%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

Keep exploring

BLDR fundamentals → · PRLB fundamentals → · All 1,500+ companies → · Free screener →