Shares of Builders FirstSource Inc. shed 4.26% to $75.72 Friday, on what proved to be an all-around mixed trading session for the stock market, with the S&P 500 Index rising 0.29% to 7,230.12 and the Dow Jones Industrial Average falling 0.

Guidance language shifted from Q4’s 2026 outlook of $14.8 billion to $15.8 billion net sales and $1.3 billion to $1.7 billion adjusted EBITDA to Q1’s $14.6 billion to $15.6 billion net sales and $1.1 billion to $1.5 billion adjusted EBITDA. (Executive VP & CFO Beckmann)

Builders FirstSource, Inc. (NYSE: BLDR) today reported its results for the first quarter ended March 31, 2026.

Building materials company Builders FirstSource (NYSE:BLDR) reported Q1 CY2026 results , but sales fell by 10.1% year on year to $3.29 billion. The company’s full-year revenue guidance of $15.1 billion at the midpoint came in 1.

Builders FirstSource opened 2026 with another year-over-year sales decline as weak housing starts, commodity deflation and lower operating leverage pressured margins and earnings, though acquisitions and share repurchases provided some offset.

The stock is currently in Phase 9 of its 18-phase Adhishthana cycle on the weekly charts, a phase that often decides whether strength or weakness dominates ahead. According to the Adhishthana Principles, stocks typically form a Cakra structure between ...

Builders FirstSource appointed Alena Brenner as Executive Vice President, Chief Legal Officer and Corporate Secretary. The leadership change adds legal and industry experience to the NYSE:BLDR executive team.