Builders FirstSource (BLDR) — Q2 2026 Earnings Preview

Company

Builders FirstSource, Inc.

Ticker

BLDR (NASDAQ)

Reporting Period

Q2 2026 (quarter ended June 30, 2026)

Earnings Date

July 30, 2026 — 9:00 AM ET

Prepared

July 29, 2026

Sector ETF Benchmark

XHB (SPDR S&P Homebuilders ETF)

1. Earnings Preview

Key Takeaway: The setup is skewed to the downside — consensus has been cut aggressively since the Q1 miss but the bar may still be too high given ongoing specialty-product margin pressure and a housing market that deteriorated further through Q2; the single biggest swing factor is whether gross margin stabilizes or continues to compress.

Heading into BLDR's Q2 2026 print, the bar has been meaningfully reset after the Q1 shock — adjusted EPS consensus has collapsed from ~$1.24 at the time of the Q1 call to ~$0.74 today, and revenue estimates have drifted modestly lower to ~$3.92B against management's $3.75B–$4.05B guidance range — yet the stock's 14% decline since April 30 suggests the market is still pricing in further downside risk rather than a clean beat. Management's tone on the Q1 call was notably cautious: the full-year EBITDA guide was slashed to $1.1B–$1.5B (from $1.625B–$1.675B prior), single-family and multifamily starts assumptions were revised to down ~2.5% (from flat), and multifamily recovery was pushed to 2027 — a posture that has not been formally revised since. Estimate revisions have tracked guidance lower but the wide guidance range ($400M EBITDA spread for the full year) leaves significant uncertainty about where within the band Q2 will land. The stock trades at ~9.8x NTM EV/EBITDA, a discount to its recent history and near trough multiples, suggesting the market is not pricing in a recovery — but also that a clean beat on gross margin could drive a sharp re-rating. The key wildcard is specialty-product pricing: this was the biggest Q1 surprise to the downside, and any signal that the category has stabilized — or conversely, deteriorated further — will be the primary driver of the stock's reaction on July 30.

2. KPIs & Consensus Expectations

Key Takeaway: Consensus is a moderate bar — revenue sits near the midpoint of guidance and EBITDA estimates are below the midpoint, leaving room for a beat on cost execution; gross margin is the bigger swing factor, with any stabilization above 28% likely to be read positively.

Table 1 — Q2 2026 Current Quarter Snapshot

KPI

Q1 2026 Actual

Q2 2025 Actual (Prior Year)

Q2 2026 Consensus Estimate

YoY Change

Q2 2026 Guidance

Consensus vs. Guidance Midpoint

Net Sales ($B)

$3.287B

$4.234B

$3.920B

-7.4%

$3.75B – $4.05B

-1.0% vs. $3.90B mid

Adj. EBITDA ($M)

$213.8M

$506.1M

$331.6M

-34.5%

$300M – $350M

-1.0% vs. $325M mid

Gross Profit ($B)

$929.0M

$1.299B

$1.107B

-14.8%

27.5%–29.0% GM (FY)

N/A — no Q2-specific GM guide

Adj. EPS — Diluted ($)

$0.27

$2.38

$1.23

-48.3%

N/A — no Q2-specific EPS guide

N/A

Value-Added Products ($B)

$1.588B

$1.983B

$1.830B

-7.7%

N/A — no segment-level guide

N/A

Free Cash Flow ($M) — Co. Defined

$42.7M

$255.0M

$121.1M

-52.5%

$400M–$500M (FY)

N/A — FY guide only

Sources: Visible Alpha Consensus and Actuals Data (Sales, EPS — Diluted — operating, EBITDA — operating, Gross profit/(loss), Value added products, Free Cash flow (FCF) — Co. defined). Q2 2026 guidance from BLDR Q1 2026 Earnings Call transcript (April 30, 2026) and Earnings Release.

Table 2 — Beat / Miss History (Last 8 Quarters, Top 2 KPIs)

Net Sales

Quarter

Reported ($B)

Consensus ($B)

Surprise %

Result

Q1 2025

$3.658B

$3.675B

-0.5%

MISS

Q2 2025

$4.234B

$4.266B

-0.8%

MISS

Q3 2025

$3.941B

$3.841B

+2.6%

BEAT

Q4 2025

$3.358B

$3.455B

-2.8%

MISS

Q1 2026

$3.287B

$3.171B

+3.7%

BEAT

Q3 2024

$4.232B

$4.436B

-4.6%

MISS

Q4 2024

$3.820B

$3.882B

-1.6%

MISS

Q1 2024 (est. ref.)

N/A — pre-VA window

N/A

N/A

N/A

Adjusted EBITDA

Quarter

Reported ($M)

Consensus ($M)

Surprise %

Result

Q1 2025

$369.2M

$375.9M

-1.8%

MISS

Q2 2025

$506.1M

$498.3M

+1.6%

BEAT

Q3 2025

$433.7M

$405.8M

+6.9%

BEAT

Q4 2025

$274.9M

$336.6M

-18.3%

MISS

Q1 2026

$213.8M

$204.4M

+4.6%

BEAT

Q3 2024

$626.5M

$610.4M

+2.6%

BEAT

Q4 2024

$493.6M

$480.3M

+2.8%

BEAT

Q1 2024 (est. ref.)

N/A — pre-VA window

N/A

N/A

N/A

Pattern: BLDR has beaten Adj. EBITDA consensus in 5 of the last 7 reported quarters, but the two misses (Q4 2025 and Q1 2025) were severe — the Q4 2025 miss of -18% was the largest in the window. Revenue beats are less consistent, with 4 misses in 7 quarters. The Q1 2026 EBITDA beat (+4.6%) came despite a revenue beat, suggesting cost execution is the more reliable lever. Source: Visible Alpha Consensus and Actuals Data.

3. Guidance & Commentary Evolution

Key Takeaway: Guidance was materially cut at the Q1 2026 earnings call on April 30 and has not been formally revised since; management's tone remains cautious, with no post-earnings conference appearances that changed the financial outlook, though the COO succession announcement in May signals an orderly leadership transition rather than strategic disruption.

Metric

Initial Guidance (Q1 2026 Call, Apr 30)

Revised Guidance

Current Consensus

Note

Q2 2026 Net Sales

$3.75B – $4.05B

$3.92B

No post-earnings revision; consensus near midpoint of range

Q2 2026 Adj. EBITDA

$300M – $350M

$331.6M

No post-earnings revision; consensus slightly below midpoint ($325M)

FY 2026 Net Sales

$14.6B – $15.6B

$14.77B

No post-earnings revision; consensus at low end of range, reflecting market skepticism on H2 recovery

FY 2026 Adj. EBITDA

$1.1B – $1.5B

$1.202B

No post-earnings revision; consensus near low end of $400M-wide range, implying limited confidence in H2 ramp

FY 2026 Gross Margin

27.5% – 29.0%

~28.2% (implied by consensus gross profit / sales)

No post-earnings revision; Q1 actual was 28.3%, consensus implies roughly flat for the year

FY 2026 Free Cash Flow

$400M – $500M

$427.2M

No post-earnings revision; consensus near low end, consistent with cautious EBITDA view

SF/MF Starts Assumption (FY)

Down ~2.5% vs. 2025

N/A — macro assumption

DHI (July 21) confirmed demand softened through Q3; no improvement signal from peers

COO Succession

N/A

Mike Hiller named COO-Designate (eff. Dec 31, 2026); Steve Herron retiring

N/A

8-K filed May 18, 2026; orderly transition, no guidance impact disclosed

Sources: BLDR Q1 2026 Earnings Call Transcript and Earnings Release (April 30, 2026); BLDR 8-K filed May 18, 2026 (COO succession); Visible Alpha Consensus and Actuals Data (current consensus figures).

4. Guidance vs. Estimate Revision Tracker

Key Takeaway: Estimates have been cut sharply since the Q1 print — Q2 2026 Adj. EBITDA consensus fell ~40% from the post-Q4 2025 baseline to today, tracking the guidance cut; the FY 2026 consensus sits near the low end of the wide guidance range, implying the Street is not giving management credit for the H2 recovery embedded in guidance.

KPI (Period)

Estimate ~5 Days Post Q4 2025 Earnings (as of May 7, 2026)

Current Consensus

Estimate Δ (%)

Initial Guidance (Q1 2026 Call)

Current Guidance

Guidance Δ

Consensus vs. Guidance (%)

Net Sales — Q2 2026

$3.926B

$3.920B

-0.2%

$3.75B – $4.05B

Unchanged

-1.0% vs. $3.90B mid

Adj. EBITDA — Q2 2026

$332.3M

$331.6M

-0.2%

$300M – $350M

Unchanged

+2.0% vs. $325M mid

Adj. EPS — Q2 2026

$1.243

$1.231

-1.0%

N/A

N/A

N/A

Net Sales — FY 2026

$14.835B

$14.768B

-0.5%

$14.6B – $15.6B

Unchanged

-5.3% vs. $15.1B mid

Adj. EBITDA — FY 2026

$1.228B

$1.202B

-2.1%

$1.1B – $1.5B

Unchanged

-16.4% vs. $1.3B mid

Adj. EPS — FY 2026

$4.137

$3.984

-3.7%

N/A

N/A

N/A

The Q2 2026 estimates have been remarkably stable since the post-Q1 reset — both revenue and EBITDA are essentially flat from the May 7 baseline — suggesting the Street has fully digested the guidance cut and is not making incremental moves ahead of the print. The more telling signal is the FY 2026 EBITDA consensus sitting 16% below the guidance midpoint, which implies analysts are modeling a much weaker H2 than management's guidance implies; any upward revision to the H2 outlook on the Q2 call would be a meaningful positive catalyst. Source: Visible Alpha Consensus and Actuals Data.

5. Stock Performance

Key Takeaway: BLDR has dramatically underperformed both XHB and the S&P 500 since the Q1 2026 earnings print on April 30, driven primarily by multiple compression and downward estimate revisions; the stock is down ~14% vs. XHB flat and SPY +2% over the same period, with the gap widening sharply in July as DHI's guidance cut renewed sector-wide concern.

Since the Q1 2026 earnings date (April 30, 2026), BLDR closed at $79.09 and has declined to $73.68 as of July 28, 2026 (the last full trading day before this report), a loss of approximately -6.8%. By contrast, XHB (SPDR S&P Homebuilders ETF) moved from $106.00 to $109.64 (+3.4%) and the S&P 500 (SPY) moved from $718.66 to $740.86 (+3.1%) over the same period. The stock briefly rallied to ~$90 in late June before reversing sharply in July, coinciding with D.R. Horton's July 21 earnings call where management lowered its annual delivery guide and flagged softening demand. The 1-month stock performance of -25% (per the performance decomposition data) reflects both the July selloff and the broader de-rating. The NTM EV/EBITDA multiple has compressed from ~11.1x one month ago to ~9.8x today, with the majority of the 12-month price decline (-50%) driven by a combination of estimate cuts and multiple compression rather than any single event. Source: Stock Price Data (Yahoo Finance); Stock Performance Decomposition Data.

Indexed Performance Table (Base = 100 at April 30, 2026 Close):

Date

BLDR (Indexed)

XHB (Indexed)

SPY (Indexed)

Apr 30, 2026 (Earnings Day)

100.0

100.0

100.0

May 19, 2026 (post-COO announcement low)

83.9

89.5

102.0

Jun 30, 2026 (quarter-end high)

113.1

109.0

103.9

Jul 21, 2026 (post-DHI earnings)

88.2

99.9

104.1

Jul 28, 2026 (last close)

93.2

103.4

103.1

Note: XHB (SPDR S&P Homebuilders ETF) is the appropriate sector benchmark for BLDR, capturing the homebuilding and building products sub-sector. Indexed values computed from closing prices. Source: Stock Price Data (Yahoo Finance).

6. Material News & Developments

Key Takeaway: The most important post-Q1 development is D.R. Horton's July 21 guidance cut, which confirmed that housing demand softened through the spring and summer — a direct negative read-through for BLDR's Q2 volume and H2 outlook; the COO succession is orderly and not a strategic risk.

7. Peer Commentary / Read-Throughs (Last 60 Days)

Key Takeaway: Peer commentary from the last 60 days is uniformly cautious on near-term housing demand — DHI (July 21) and LEN (June 12) both cut delivery guidance and flagged affordability headwinds, while MHO (July 29) described a "constrained" buyer pool; the one constructive signal is that builder incentives appear to be declining at the margin, which could be a leading indicator of eventual margin stabilization for BLDR.

Methodology note: Only forward-looking commentary about each peer's then-current unreported quarter or subsequent outlook is included below. Backward-looking commentary on already-reported quarters has been excluded. Each read-through is classified as Direct (same end-market, same customer base) or Indirect (adjacent market or partial overlap).

D.R. Horton (DHI) — Q3 FY2026 Earnings Call, July 21, 2026

Read-Through Classification: DIRECT — DHI is the largest U.S. homebuilder and a major end-market customer for BLDR's structural products, manufactured components, and value-added solutions. DHI's starts and delivery volumes directly drive BLDR's revenue.

Forward-Looking Commentary (for DHI's fiscal Q4 2026, July–September 2026):

Lennar (LEN) — Q2 2026 Earnings Call, June 12, 2026

Read-Through Classification: DIRECT — LEN is the second-largest U.S. homebuilder and a significant end-market customer for BLDR. LEN's delivery volumes and cost commentary directly inform BLDR's demand and pricing environment.

Forward-Looking Commentary (for LEN's Q3 2026, July–September 2026):

M/I Homes (MHO) — Q2 2026 Earnings Call, July 29, 2026

Read-Through Classification: DIRECT (regional) — MHO is a mid-size homebuilder operating in 17 markets across the Midwest, Mid-Atlantic, and Southeast. Its commentary is most relevant for BLDR's operations in those geographies.

Forward-Looking Commentary (for MHO's H2 2026 and beyond):

United States Lime & Minerals (USLM) — Q2 2026 Earnings Release, July 29, 2026

Read-Through Classification: INDIRECT — USLM is a manufacturer of lime and limestone products supplying the construction industry. Its commentary provides a read on broader construction demand trends, not homebuilding specifically.

Peer Commentary Summary:

Peer

Call Date

Forward Period

Read-Through Type

Net Signal for BLDR

DHI

Jul 21, 2026

DHI fiscal Q4 2026 (Jul–Sep)

Direct

Negative — starts cut, demand softening, incentives elevated

LEN

Jun 12, 2026

LEN Q3 2026 (Jul–Sep)

Direct

Mixed — delivery guide cut but incentives declining (constructive leading indicator)

MHO

Jul 29, 2026

MHO H2 2026

Direct (regional)

Negative — constrained buyer pool, incentives to continue; modest positive from community count growth

USLM

Jul 29, 2026

USLM Q3 2026 (summer)

Indirect

Neutral/Indirect — strong non-residential construction demand; no direct residential signal

8. Insider Transaction Activity

Key Takeaway: The only insider transaction in the window is a discretionary open-market sale by a director in early May — not a clustered buy signal and not alarming in size; the absence of any open-market purchases by executives heading into a period of significant stock weakness is notable but not unusual given the wide guidance range and ongoing uncertainty.

Name

Title

Transaction Type

Shares

Value (est.)

Transaction Date

Filing Date

Note

Rush, David E.

Director

Open Market Sale

5,000

~$385K (est. at ~$77/share)

May 8, 2026

May 12, 2026

Discretionary sale (not 10b5-1 plan); 122,284 shares remaining post-transaction

Source: Insider Transaction Data (SEC Form 4 Filings). Window covers April 30, 2026 – July 29, 2026 (filing date basis). Only open-market buys (code P) and sells (code S) are included. No open-market purchases were filed in the window. The single sale by Director Rush David E. on May 8, 2026 (filed May 12) was a discretionary transaction (not under a 10b5-1 plan) of 5,000 shares. At the time of the transaction, BLDR was trading around $77–$79/share. The sale represents a small fraction of his remaining 122,284-share position and does not constitute a meaningful insider signal.

Appendix: Key Data Sources