Brookfield Business
BBUCNYSE United StatesConsumer DiscretionaryEngineering & Construction
Market cap
$6.289 B
$30.25 -2.26%
Close of 6 Nov 2026
As of 6 Nov 2026, Brookfield Business (BBUC) has a market capitalization of $6.29B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.
Revenue
—
Not reported
Earnings
—
Not reported
Shares outstanding
87,720,678
Latest filing cover page
P/E ratio
—
Cap ÷ net income
Engineering & Construction, ranked by market cap
All 20 →- #2Comfort Systems UsaFIX$33.5B
- #3EMCOR GroupEME$26.0B
- #4Brookfield BusinessBBUC$6.29B
- #5IESIESC$5.91B
- #6ArganAGX$3.64B
What if Brookfield Business were worth as much as…
Open the what-if tool →Where these numbers come from
Share counts and financials for Brookfield Business are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.