Builders FirstSource, Inc. filed its Form 10-Q with the SEC on October 29, 2026, covering the quarterly period ended September 30, 2026, reporting net sales of $3,854,048 thousand and net income of $60,409 thousand for the third quarter.

Key Highlights

  • Net sales declined year over year: Net sales for the three months ended September 30, 2026 were $3,854,048 thousand, compared with $3,941,190 thousand in the same period of 2025, according to the filing.
  • Net income of $60,409 thousand for Q3 2026: The company reported net income of $60,409 thousand for the quarter, down from $122,384 thousand in Q3 2025, with diluted earnings per share of $0.56 versus $1.10 a year earlier.
  • Nine-month net income fell sharply: For the nine months ended September 30, 2026, net income was $9,095 thousand, compared with $403,719 thousand for the same period in 2025.
  • Income tax benefit in Q3 2026: The filing reported an income tax benefit of $33,562 thousand for the three months ended September 30, 2026, compared with income tax expense of $37,126 thousand in Q3 2025.
  • Long-term debt increased: Long-term debt, net of current maturities, discounts, and issuance costs, stood at $4,615,050 thousand as of September 30, 2026, up from $4,427,033 thousand at December 31, 2025.
  • Share repurchases continued: The company repurchased $303,519 thousand of common stock in the nine months ended September 30, 2026, according to the cash flow statement.
  • Shares outstanding: As of October 23, 2026, the filing disclosed 107,606,319 shares of common stock outstanding.

Builders FirstSource Reports Lower Sales and Income in Third Quarter and First Nine Months of 2026

Builders FirstSource, Inc. (NYSE:BLDR), a Delaware-incorporated building products distributor headquartered in Irving, Texas, reported third-quarter 2026 results in its quarterly report filed with the SEC. According to the filing, net sales for the three months ended September 30, 2026 totaled $3,854,048 thousand, a decrease from $3,941,190 thousand in the comparable prior-year quarter. Gross margin for Q3 2026 was $1,072,256 thousand, compared with $1,199,483 thousand in Q3 2025. Selling, general and administrative expenses were $973,165 thousand versus $970,715 thousand a year earlier, and income from operations was $99,091 thousand, down from $228,768 thousand in Q3 2025.

For the nine months ended September 30, 2026, the filing disclosed net sales of $11,003,672 thousand against $11,832,750 thousand for the same period in 2025. Nine-month income from operations was $244,113 thousand, compared with $724,496 thousand in the prior-year period. Interest expense, net, for the nine months was $222,740 thousand versus $206,139 thousand a year earlier. Net cash provided by operating activities for the nine-month period was $302,031 thousand, compared with $1,021,092 thousand in 2025. The company used $116,678 thousand for acquisitions and $157,430 thousand for capital expenditures during the nine months ended September 30, 2026.

On the balance sheet as of September 30, 2026, total assets were $11,334,675 thousand, with total liabilities of $7,253,662 thousand and total stockholders' equity of $4,081,013 thousand. Cash and cash equivalents were $55,012 thousand, down from $181,753 thousand at December 31, 2025. Goodwill was reported at $4,166,201 thousand. The filing noted that the weighted average diluted shares for Q3 2026 were 107,635 thousand, compared with 110,930 thousand in Q3 2025, reflecting ongoing share repurchase activity.

What Was Disclosed

Builders FirstSource filed its quarterly report for the period ended September 30, 2026, disclosing year-over-year declines in net sales, gross margin, and net income for both the quarter and nine-month period, alongside balance sheet and cash flow details including share repurchases and changes in debt levels.