StockData
Builders FirstSource, Inc. logo

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 week, newest first. Adjusted for stock splits, not for dividends.

Download all as CSV
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
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$56.56$64.96$54.81$64.91+14.18%17,315,807
Oct 19, 2026$54.73$57.61$52.54$56.85+4.03%11,349,556
Oct 12, 2026$52.15$55.83$49.67$54.65+3.41%14,167,179
Oct 5, 2026$56.49$56.99$52.06$52.85-6.04%12,315,153
Sep 28, 2026$58.06$59.55$54.75$56.25-4.93%10,022,696
Sep 21, 2026$58.54$61.32$57.02$59.17+1.81%12,993,844
Sep 14, 2026$59.54$61.82$56.56$58.12-3.73%38,918,834
Sep 8, 2026$65.60$65.80$58.13$60.37-8.24%10,625,135
Aug 31, 2026$66.99$67.37$62.31$65.79-2.85%12,975,924
Aug 24, 2026$70.78$72.72$66.17$67.72-3.55%8,607,421
Aug 17, 2026$72.10$73.04$67.52$70.21-3.17%8,143,643
Aug 10, 2026$73.50$75.50$70.96$72.51-2.92%8,144,938
Aug 3, 2026$68.49$76.80$68.49$74.69+12.42%11,243,633
Jul 27, 2026$74.30$75.72$65.10$66.44-8.81%16,366,569
Jul 20, 2026$74.50$74.68$69.00$72.86-1.89%11,417,703
Jul 13, 2026$75.25$79.99$73.01$74.26-1.89%8,697,016
Jul 6, 2026$84.92$85.47$72.97$75.69-10.63%11,016,955
Jun 29, 2026$88.52$90.96$82.57$84.69-4.99%8,200,241
Jun 22, 2026$80.00$90.11$76.02$89.14+10.61%13,454,541
Jun 15, 2026$80.68$82.69$75.94$80.59+3.63%10,848,289
Jun 8, 2026$72.54$79.76$71.50$77.77+5.61%11,753,226
Jun 1, 2026$76.00$76.67$72.06$73.64-3.44%10,693,339
May 26, 2026$74.41$79.82$74.00$76.26+2.85%17,121,865
May 18, 2026$70.59$74.99$65.10$74.15+5.31%13,426,683
May 11, 2026$77.11$77.46$69.86$70.41-9.03%13,401,744
May 4, 2026$75.00$83.23$73.40$77.40+2.22%16,383,061
Apr 27, 2026$89.86$91.70$75.38$75.72-15.90%17,481,125
Apr 20, 2026$88.12$94.97$86.52$90.04+1.74%9,388,284
Apr 13, 2026$84.27$92.24$82.69$88.50+3.75%10,228,383
Apr 6, 2026$78.73$87.11$77.58$85.30+7.81%9,971,570
Mar 30, 2026$81.50$84.47$76.50$79.12-1.63%8,194,216
Mar 23, 2026$84.57$86.84$80.16$80.43-0.97%8,264,881
Mar 16, 2026$88.23$91.40$80.00$81.22-7.80%13,625,468
Mar 9, 2026$91.57$96.09$86.18$88.09-5.40%14,663,023
Mar 2, 2026$101.25$102.43$89.72$93.12-10.71%15,433,612
Feb 23, 2026$110.09$110.61$101.25$104.29-5.66%10,273,667
Feb 17, 2026$114.14$117.34$108.75$110.55-3.64%8,829,340
Feb 9, 2026$125.18$129.75$114.61$114.73-7.79%13,852,506
Feb 2, 2026$113.74$126.23$111.92$124.42+8.76%13,259,332
Jan 26, 2026$122.57$122.99$111.19$114.40-6.51%8,798,448
Jan 20, 2026$122.62$129.85$122.28$122.36-3.49%7,371,949
Jan 12, 2026$123.38$131.50$121.47$126.79+1.71%11,913,014
Jan 5, 2026$106.68$125.46$103.50$124.66+19.14%12,083,138
Dec 29, 2025$103.88$106.51$102.18$104.63+0.62%4,354,379
Dec 22, 2025$103.56$104.65$101.80$103.99+0.19%3,601,294
Dec 15, 2025$107.45$108.47$101.68$103.79-4.32%11,457,013
Dec 8, 2025$109.87$112.50$104.16$108.48-1.39%7,959,102
Dec 1, 2025$110.00$116.31$109.75$110.01-1.98%9,618,064
Nov 24, 2025$101.14$113.23$99.60$112.23+10.44%8,373,189
Nov 17, 2025$102.50$103.46$94.35$101.62-1.76%14,991,869
Nov 10, 2025$109.80$109.80$103.00$103.44-5.47%14,295,172
Nov 3, 2025$114.86$114.86$107.48$109.42-5.81%10,999,523

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%