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Builders FirstSource, Inc. (BLDR) stock

BLDRNYSERetail-Lumber & Other Building Materials DealersFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 29, 2026Score 5/308% below fair value
$64.91+1.85 (+2.93%)

Close on Oct 30, 2026Market cap $6.98BP/E 175.4Yield –

Price history

Builders FirstSource share prices for every trading day, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$64.91
+2.93% on the day
52-week range
$49.67 – $131.50
-50.6% from the high
Change over 52 weeks
-41.9%
From $111.69 on Oct 30, 2025
Average volume
2.65M
Shares a day, last 90 sessions
DateOpenHighLowCloseChangeVolume
Oct 30, 2026$62.83$64.96$62.83$64.91+2.93%4,743,634
Oct 29, 2026$56.31$63.15$56.25$63.06+12.85%5,715,061
Oct 28, 2026$57.09$57.64$55.07$55.88-1.45%2,820,416
Oct 27, 2026$56.28$56.78$54.81$56.70+0.87%1,892,252
Oct 26, 2026$56.56$56.65$55.37$56.21-1.13%2,144,444
Oct 23, 2026$56.68$57.34$56.22$56.85-1.20%2,122,539
Oct 22, 2026$52.61$57.61$52.60$57.54+7.53%2,897,975
Oct 21, 2026$54.00$54.70$52.82$53.51-0.76%1,873,685
Oct 20, 2026$53.00$54.94$53.00$53.92+1.83%1,994,075
Oct 19, 2026$54.73$54.73$52.54$52.95-3.11%2,461,282
Oct 16, 2026$53.45$55.83$53.45$54.65+1.81%2,603,023
Oct 15, 2026$52.43$54.09$51.16$53.68+6.25%4,714,308
Oct 14, 2026$50.98$51.68$49.67$50.52-2.30%3,249,776
Oct 13, 2026$52.78$53.10$51.24$51.71-0.82%1,986,426
Oct 12, 2026$52.15$53.13$51.93$52.14-1.34%1,613,646
Oct 9, 2026$53.67$53.81$52.06$52.85-1.78%1,921,729
Oct 8, 2026$52.70$54.44$52.08$53.81+0.49%2,769,454
Oct 7, 2026$54.31$54.39$52.98$53.55-4.75%2,355,929
Oct 6, 2026$56.49$56.88$55.27$56.22+1.06%2,304,741
Oct 5, 2026$56.49$56.99$54.99$55.63-1.10%2,963,300
Oct 2, 2026$59.05$59.55$56.13$56.25-1.92%1,940,744
Oct 1, 2026$56.88$57.48$54.75$57.35+0.60%2,275,659
Sep 30, 2026$57.90$58.28$56.99$57.01-0.90%2,137,031
Sep 29, 2026$58.50$58.55$56.87$57.53-0.83%1,753,124
Sep 28, 2026$58.06$58.66$56.80$58.01-1.96%1,916,138
Sep 25, 2026$58.27$59.99$57.42$59.17+1.53%1,494,506
Sep 24, 2026$58.80$59.49$57.76$58.28-1.49%2,650,441
Sep 23, 2026$59.90$60.73$59.13$59.16-2.81%1,813,356
Sep 22, 2026$59.94$61.32$59.63$60.87+4.02%3,286,903
Sep 21, 2026$58.54$59.20$57.02$58.52+0.69%3,748,638

Seasonality

BLDR return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average4.3%2.2%-5.7%3.9%0.2%3.2%5.8%5.3%-1.5%-1.0%12.2%1.6%
Months up5 of 106 of 105 of 105 of 105 of 105 of 108 of 107 of 105 of 105 of 108 of 95 of 9
202611.2%-8.8%-21.1%-3.9%-3.6%17.3%-25.7%-0.1%-14.1%13.9%
202517.0%-16.9%-10.1%-4.3%-10.0%8.4%8.9%9.1%-12.6%-4.2%-3.4%-8.3%
20244.1%12.3%6.9%-12.3%-12.1%-13.9%20.9%4.0%11.4%-11.6%8.8%-23.3%
202322.8%6.4%4.7%6.7%22.3%17.3%6.2%0.4%-14.2%-12.8%23.6%24.5%
2022-20.7%9.5%-13.3%-4.6%5.7%-17.5%26.6%-13.8%0.5%4.7%3.7%1.5%
2021-6.3%13.1%7.2%5.0%-8.5%-4.2%4.3%19.8%-2.9%12.6%19.2%23.4%
2020-2.4%-8.4%-46.1%50.0%13.4%-0.5%14.4%29.3%6.5%-7.1%23.5%9.1%
201921.2%5.4%-4.2%3.3%2.2%19.7%1.9%13.2%5.8%9.9%12.4%0.0%
2018-1.7%-10.5%3.4%-8.1%7.4%-6.6%-2.0%-12.9%-6.0%-15.7%9.3%-19.4%
2017-1.9%20.3%15.1%7.4%-14.7%12.2%2.3%3.9%10.5%0.2%13.2%6.8%