Market closed · After hours · 6:37 PM ET
Last update: Oct 29, 2026, 6:16 PM ET
Builders FirstSource, Inc.
$63.06▲ 12.85% today
After Hours

Why Builders FirstSource, Inc. (BLDR) stock moved

Updated Oct 29, 2026

Builders FirstSource, Inc. (BLDR) shares climbed 12.8% to $63.06 as of October 29, 2026, a sharp gain from the prior close of $55.88. BestStocks flagged the session as a major change for BLDR. The move is tied to an earnings beat. 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

Earnings Beat

Builders FirstSource, Inc. (BLDR) reported EPS of $1.51 vs. $1.06 estimate, beating consensus by 42.5%. Next earnings report scheduled for February 25, 2027, with consensus EPS estimate of $0.48.

This summary describes the catalyst and move as first detected on Oct 29, 2026, 10:08 AM 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 / EarningsHigh confidence
Rel. volume
2.2×
Very High
Vs peers
—
No comparable peers
Market cap
$6.8B
New York Stock Exchange
Analyst target
$73
+16.4% vs price
Price chart
Sep 28 – Oct 29
VENEVNFN$50$57$63Sep 28Oct 6Oct 14Oct 21Oct 29
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 balance of recent signals points to a bullish shift. On the constructive side: Earnings beat with positive market reaction; Strong 12.8% price move with conviction. Weighing against that: Builders FirstSource, Inc. (BLDR) moved -5.04% from $78.20 to $74.26 on 2026-07-17; BLDR moved -5.38% from $78.42 to $74.20 on 2026-07-08. Wall Street's consensus price target sits at $73.43, implying +16.4% upside from $63.06. Over the past 90 days analysts logged 0 upgrades and 3 downgrades. BestStocks rates the overall signal quality high (83/100). With earnings roughly 110 days out, the next report is the most likely near-term test of the move.

BLDR price reaction

BLDR last traded at $63.06, up $7.18 (+12.85%) from the previous close of $55.88. The session traded on 2.2× average volume (very high), so the move carried above-average conviction. Over the past month the stock has ranged between $50.52 and $63.06, and it currently sits about 100% of the way up that band.

Bullish and bearish analyst opinions on Builders FirstSource, Inc. (BLDR)

Latest catalyststrengthens the bull case
The latest catalyst — an earnings beat the market rewarded — it strengthens the bull case.

The consensus analyst price target on Builders FirstSource, Inc. (BLDR) is $73.43, 16.4% above the recent $63.06. Over the past 90 days analysts logged 0 upgrades, 12 maintains, and 3 downgrades. Here is how the bullish and bearish cases on BLDR line up.

The bullish case

  • Wall Street's consensus price target of $73.43 implies +16.4% upside from $63.06.
  • The Street's most bullish target is $100.00 (+58.6%).
  • Earnings beat with positive market reaction.
  • Strong 12.8% price move with conviction.
  • Volume 2.2x average — institutional conviction.

The bearish case

  • The most bearish analyst target is $55.00 (-12.8%).
  • 3 analyst downgrades in the past 90 days, most recently Loop Capital to Hold (2026-10-26).
  • Builders FirstSource, Inc. (BLDR) moved -5.04% from $78.20 to $74.26 on 2026-07-17.
  • BLDR moved -5.38% from $78.42 to $74.20 on 2026-07-08.
  • BLDR fell 4.15% intraday to $85.77, underperforming the broader market.
Bull vs bear balanceBullish Shift
BearishNeutralBullish
The latest catalyst moved the balance toward the bulls — the hollow tick marks where it sat before.

Weighing both sides, BestStocks' composite read of recent signals is bullish, 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 Oct 29, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.

Analyst expectations
Consensus target: $73+16.4%
= 12 maintains↓ 3 downgrades
Stifel maintained Hold · 2026-10-26
SEC filings watch
8-K2026-10-29
Material event — review for impact
high
10-Q2026-10-29
Quarterly financial results
medium
8-K2026-08-07
Material event — review for impact
high
8-K2026-07-30
Material event — review for impact
high
Peer context
BLDR+12.8%

Previous notable changes for BLDR

Activity2026-10-29+12.8%via Business Wire ↗
Builders FirstSource reported Q3 2026 earnings and revenues that beat analyst estimates (Business Wire, Zacks), lifting the stock +7.50% to $60.07. Volume surged to 1.17M shares, 3.20x the typical intraday average at this hour, reflecting strong retail and institutional interest in the earnings beat.
Filings2026-10-29+12.8%
Builders FirstSource, Inc. (BLDR) filed a new 8-K on October 29, 2026. The filing itself was not accompanied by news coverage or disclosed material events in available sources.
News2026-10-29+12.8%
BLDR reported Q3 EPS of $1.51, exceeding consensus estimate of $1.12 by 35%.
News2026-10-26-1.1%
BLDR's 2026 charity event raised $1.6 million for Blood Cancer United, marking 20 years of partnership.

In-depth BLDR event analyses

Permanent, dated analyses of BLDR's most significant sessions.
Upcoming catalysts & outlook
Next earnings
2027-02-16 (est.)
in 110 days
Earnings Release
2027-02-16
High impact
Thesis shift
Bullish Shift
bullish signal
Risk level
High
from change events

Frequently asked questions about BLDR

Why did Builders FirstSource, Inc. (BLDR) stock move?

BLDR climbed 12.8% to $63.06. The move is associated with an earnings beat.

How much did BLDR stock rise?

BLDR gained 12.85% ($7.18) versus the prior close of $55.88, last trading at $63.06 on 2.2× average volume.

When is Builders FirstSource, Inc.'s next earnings date?

BLDR's next earnings report is estimated for 2027-02-16 — about 110 days away.

What is the analyst price target for BLDR?

The consensus analyst price target for BLDR is $73.43, about 16.4% above the current $63.06. Over the past 90 days, analysts recorded 0 upgrades, 12 maintains, and 3 downgrades.

How BestStocks tracks BLDR

This page is generated automatically by BestStocks' change-detection system after an earnings beat 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 October 29, 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.

Data sources
FMP real-time & historical price dataFMP earnings & estimatesSEC EDGAR filingsAnalyst ratings & price targets (FMP)Earnings calendar (FMP)
Educational research tool — not personalized investment advice. Data may be delayed.