Core & Main (CNM) Q4 2025 earnings review
Resilient Earnings Shielded From Calendar Noise and Volume Deceleration
Core & Main's Q4 headline revenue decline of 6.9% looks alarming but is entirely due to a tough comparison against a 14-week Q4 in the prior year. Adjusting for the calendar, average daily sales edged up 0.9%. The true highlight of the quarter was the bottom line: robust gross margin expansion (+50 bps YoY) and active share repurchases drove a 12% increase in Diluted EPS, defying the top-line contraction. However, organic volume growth is clearly decelerating. FY26 guidance sets a cautious tone, projecting modest 2-3% sales growth and flat Adjusted EBITDA margins, indicating management expects a heavy lift from self-help initiatives (private label, cost-cutting) in a stagnant end-market environment.
🐂 Bull Case
Gross margins structurally improved to 26.9% for the year and 27.1% in Q4, proving the success of the company's private label scaling (now ~5% of sales) and disciplined sourcing initiatives.
Strong cash conversion yielded $650M in operating cash flow for FY25, cleanly covering $155M in share repurchases and maintaining a pristine balance sheet for future M&A.
🐻 Bear Case
Average daily sales growth decelerated sharply to just +0.9% in Q4, down from +4.8% for the full year and mid-single-digits in H1, signaling broader macroeconomic fatigue.
SG&A expenses remain stubbornly high. Cost inflation completely neutralized the company's stellar gross margin gains, keeping full-year Adjusted EBITDA margins in contraction.
⚖️ Verdict: ⚪
Neutral. Management is executing flawlessly on the things they can control—gross margins, M&A integration, and share buybacks—but the broader volume environment is undeniably decelerating, leaving limited room for upside surprises.
Key Themes
Gross Margin Initiatives Driving Structural Improvements
A major positive driver is the company's continuous gross margin expansion, which proved Stable and robust throughout the year. Q4 gross margin rose 50 bps YoY to 27.1%. Management attributes this to expanding their private label footprint (which reached ~5% of sales, up 100 bps YoY) alongside disciplined pricing and sourcing strategies. This structural upgrade protects profitability against flat pricing environments.
SG&A Inflation Erasing Gross Margin Gains
A glaring contradiction to the positive margin narrative is found in the operating expenses. While gross margins expanded an impressive 50 bps in Q4, Adjusted EBITDA margin only managed a meager 10 bps increase to 10.6%. Why? Because SG&A as a percentage of sales climbed to 16.7% (up from 16.4%). For the full FY25, Adjusted EBITDA margin actually compressed by 30 bps, demonstrating that sticky inflation (wages, facilities, fleet) is severely restricting operating leverage.
Geographic and M&A Expansion Accelerating
Core & Main is successfully buying its way into growth. In FY25, the company opened 10 new greenfield branches and completed complementary acquisitions like Canada Waterworks and Pioneer Supply. This "land and expand" strategy allows them to consolidate a highly fragmented $44B market and offset sluggish organic growth.
Average Daily Sales Decelerating
Adjusting for the calendar noise of the 53rd week, the underlying sales velocity is Decelerating. Average daily sales grew 4.8% for the full year but slowed to just 0.9% in Q4. If this run-rate persists, achieving the low end of FY26 guidance (+2%) will lean heavily on un-annualized M&A contributions rather than organic demand.
Municipal vs. Residential End-Market Divergence
The macro backdrop remains sharply divided. Municipal spending (fueled by aging infrastructure and IIJA funds) is highly Stable and resilient. Conversely, residential lot development proved to be a headwind throughout FY25. The company's diverse end-market mix (44% Municipal, 38% Non-Residential, 18% Residential) prevents a collapse but caps explosive growth.
Complex Tech and Product Upgrades Gaining Share
Strategic product initiatives are growing at double-digit rates, significantly outpacing the broader market. Specifically, the adoption of Advanced Metering Infrastructure (smart meters), Fusible HDPE, and treatment plant solutions require specialized local expertise that smaller competitors cannot match, serving as a moat for the company.
Other KPIs
Stable and accelerating. Operating cash flow increased by $29M YoY, supported by higher net income and normalized working capital requirements. This robust cash generation easily funded $46M in CapEx, $61M in M&A, and $155M in share repurchases.
The balance sheet is strengthening. Net debt fell significantly from $2,275M a year ago, primarily due to paying down the Senior ABL Credit Facility to zero. Total liquidity remains excellent with $220M in cash and ~$1.2B in undrawn revolver capacity.
Guidance
Decelerating. Implies 2% to 3% YoY growth, a step down from the 4.8% average daily sales growth witnessed in FY25. The guidance embeds an assumption of "flat pricing and end-market performance," meaning growth is relying purely on market share gains and prior acquisitions.
Accelerating slightly. The midpoint of $965M implies 3.6% YoY growth, slightly outpacing the top-line guidance. This points to expectations of minor operational leverage.
Stable. The midpoint of 12.3% points to a nominal 10 bps improvement over FY25 (12.2%). This suggests management believes they can halt the margin contraction seen in FY25, likely due to the $30M in cost actions initiated late in the fiscal year.
Stable. In line with the company's long-term targets. Translates to roughly $570M - $686M in absolute operating cash flow for FY26.
Key Questions
SG&A Trajectory
You enacted $30M in annualized cost savings during FY25. Yet Q4 SG&A as a percentage of sales still climbed YoY. When do you expect these cost actions to definitively reverse the trend of SG&A deleverage?
Private Label Ceiling
Private label is now ~5% of sales and driving significant gross margin upside. As you push toward your 10-15% long-term target, are you seeing any pushback from major legacy suppliers, and how are you managing those relationships?
Volume Run-Rates
Average daily sales growth was under 1% in Q4. What specific leading indicators give you the confidence to guide for 2-3% total growth in FY26 without assuming any macro end-market recovery?