Builders FirstSource, Inc. (BLDR) shares tumbled 5.4% to $62.79 as of September 1, 2026, a significant decline from the prior close of $66.40. BestStocks flagged the session as a major change for BLDR. The move is tied to price move down. Below, we break down what changed for BLDR, why it matters for investors, how the stock reacted, and the catalysts on the calendar.
What happened
BLDR fell 5.4% to $62.79
Builders FirstSource, Inc. (BLDR) moved -4.03% from $65.43 to $62.79 on 2026-09-01. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. The move coincided with a new 30-day low and volume 2.0x the 5-day average. BLDR earnings are scheduled for 2026-10-29 with a consensus EPS estimate of $1.14.
This summary describes the catalyst and move as first detected on Sep 1, 2026, 4:51 PM EDT; the stock has continued trading since, so the current price and percentage move (shown above) may be larger or smaller than the figures here.
Material / EarningsMedium confidence
Rel. volume
1.5×
Above Avg
Vs peers
—
No comparable peers
Market cap
$6.8B
New York Stock Exchange
Analyst target
$87
+38.6% vs price
Price chart
Aug 3 – Sep 1
E earnings
F filing
A analyst
V/N other
click a marker to highlight
Change events — click to jump to details
What it means for Builders FirstSource, Inc. investors
For Builders FirstSource, Inc. investors, the recent signals add up to a bearish shift. Weighing against that: Material negative event; Sharp 5.4% decline — elevated risk. Wall Street's consensus price target sits at $87.00, implying +38.6% upside from $62.79. BestStocks rates the overall signal quality medium (63/100). With earnings roughly 58 days out, the next report is the most likely near-term test of the move.
BLDR price reaction
BLDR last traded at $62.79, down $3.61 (-5.44%) from the previous close of $66.40. The session traded on 1.5× average volume (above avg), so the move carried above-average conviction. Over the past month the stock has ranged between $62.79 and $75.86, and it currently sits about 0% of the way up that band.
Bullish and bearish analyst opinions on Builders FirstSource, Inc. (BLDR)
The consensus analyst price target on Builders FirstSource, Inc. (BLDR) is $87.00, 38.6% above the recent $62.79. Over the past 90 days analysts logged 0 upgrades, 11 maintains, and 0 downgrades. Here is how the bullish and bearish cases on BLDR line up.
▲ The bullish case
+Wall Street's consensus price target of $87.00 implies +38.6% upside from $62.79.
+The Street's most bullish target is $115.00 (+83.2%).
▼ The bearish case
−Material negative event.
−Sharp 5.4% decline — elevated risk.
−Builders FirstSource, Inc. (BLDR) moved -5.04% from $78.20 to $74.26 on 2026-07-17.
−BLDR fell 4.15% intraday to $85.77, underperforming the broader market.
Bull vs bear balanceBearish Shift
BearishNeutralBullish
Weighing both sides, BestStocks' composite read of recent signals is bearish, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.
Analyst price targets and ratings are FMP consensus figures as of Sep 1, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.
Builders FirstSource, Inc. (BLDR) moved -3.07% from $71.56 to $69.36 on 2026-08-25. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found.
Material / Earnings2026-08-19+7.3%
Builders FirstSource, Inc. (BLDR) moved +4.17% from $69.64 to $72.55 on 2026-08-19. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume was 1.4x the 5-day average, suggesting modest institutional interest.
Material / Earnings2026-08-18-3.7%
Builders FirstSource, Inc. (BLDR) moved -3.26% from $69.90 to $67.62 on 2026-08-18. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume remained near its 5-day average, suggesting the move lacked unusual conviction.
Material / Earnings2026-08-17-3.2%
Builders FirstSource, Inc. (BLDR) moved -2.62% from $72.10 to $70.21 on 2026-08-17. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume remained near its 5-day average, indicating routine trading activity.
Material / Earnings2026-08-12-3.6%
Builders FirstSource, Inc. (BLDR) moved -3.84% from $75.30 to $72.41 on 2026-08-12. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume was near its 5-day average, indicating the move occurred on typical trading activity.
Material / Earnings2026-08-11+4.3%
Builders FirstSource, Inc. (BLDR) moved +3.51% from $72.55 to $75.10 on 2026-08-11. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume remained near its 5-day average, suggesting the move was not driven by unusual trading activity.
Filings2026-08-07+3.0%
Builders FirstSource, Inc. (BLDR) filed a new 8-K on August 7, 2026. The audit reviewed news, earnings announcements, analyst updates, and corporate actions but found no disclosed details about the filing's specific content or subject matter.
Material / Earnings2026-08-06-4.4%
BLDR moved -2.62% from its $74.46 open to a $72.51 close on 2026-08-06.
Upcoming catalysts & outlook
Next earnings
2026-10-29 (est.)
in 58 days
Thesis shift
Bearish Shift
bearish signal
Risk level
High
from change events
Frequently asked questions about BLDR
Why did Builders FirstSource, Inc. (BLDR) stock move?
BLDR tumbled 5.4% to $62.79. No single company-specific catalyst was confirmed during the move window, and it looks technical.
How much did BLDR stock fall?
BLDR lost 5.44% ($3.61) versus the prior close of $66.40, last trading at $62.79 on 1.5× average volume.
When is Builders FirstSource, Inc.'s next earnings date?
BLDR's next earnings report is estimated for 2026-10-29 — about 58 days away.
What is the analyst price target for BLDR?
The consensus analyst price target for BLDR is $87.00, about 38.6% above the current $62.79. Over the past 90 days, analysts recorded 0 upgrades, 11 maintains, and 0 downgrades.
How BestStocks tracks BLDR
This page is generated automatically by BestStocks' change-detection system after price move down was detected and verified against independent data sources. It draws on 20 tracked change events for BLDR, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of September 1, 2026 and refresh as new information is detected; for companies with multiple share classes, market-cap figures can differ by data source. Analyst price targets and ratings are FMP consensus. This is an educational summary of what changed and why — not personalized investment advice.
