Advanced Drainage Systems Fiscal Q2 2027 Earnings: NDS Drives Sales as Margins Narrow

Advanced Drainage Systems (NYSE: WMS), or ADS, reported fiscal Q2 2027 net sales of $889.4 million, up 4.6% from $850.4 million, while diluted EPS from continuing operations fell 11.0% to $1.77 from $1.99. NDS contributed $77.3 million to Stormwater sales, but organic Stormwater revenue declined 5.3% and adjusted EBITDA margin narrowed to 32.2%. Management said the quarter was also affected by more revenue being pulled forward into the first quarter than previously estimated.

Core Earnings Data

Reported sales growth was acquisition-led. NDS and favorable price-cost contributed to higher gross profit, more than offsetting unfavorable volume and transportation costs, but gross profit increased more slowly than revenue.

GAAP profitability declined more sharply. SG&A expense rose 8.7% because of NDS and related transaction costs, intangible amortization increased, and the disposal line shifted from a $15.9 million gain in the prior-year quarter to a $1.3 million loss.

Total results included a $23.5 million net loss from discontinued operations, equivalent to $0.31 per diluted share. This explains part of the difference between continuing-operations EPS and total EPS.

Business and Segment Performance

Stormwater reported growth because of the NDS acquisition, but its organic decline shows that underlying demand was softer. Wastewater sales also decreased modestly.

The $77.3 million NDS contribution exceeded ADS’s total company sales increase of $39.0 million, underscoring the importance of acquired revenue during the quarter. Despite the sales divergence, segment adjusted EBITDA was relatively stable: Stormwater increased to $213.2 million from $210.6 million, while Wastewater edged up to $88.7 million from $88.2 million.

Management reported double-digit growth in advanced wastewater treatment, stormwater capture, and water-quality products. ADS also announced a proposed acquisition of StormTrap to expand its presence in large-volume, space-constrained stormwater projects, although the proposed transaction did not contribute to the reported quarter.

Because management attributed part of the quarterly weakness to revenue timing, the six-month figures provide additional context. Fiscal first-half net sales rose 12.5% to $1.89 billion, organic sales increased 2.3%, and adjusted EBITDA grew 14.0% to $645.1 million. The first-half adjusted EBITDA margin was 34.1%, compared with 33.7% a year earlier.

Profitability, Cash Flow, and Balance Sheet

Favorable price-cost limited the effect of lower volume and higher transportation costs, allowing quarterly adjusted EBITDA to remain nearly flat. Nevertheless, adjusted EBITDA margin contracted because acquisition-supported sales growth did not produce a corresponding increase in adjusted earnings, while SG&A and transaction-related expenses increased.

Cash-flow figures cover the six months ended September 30, 2026 rather than the quarter alone. Operating cash flow declined about 10% to $458.2 million from $509.8 million, while free cash flow fell about 10% to $359.5 million from $398.8 million. Inventory was a $35.8 million use of operating cash in the current period, compared with a $69.5 million source in the prior-year period.

ADS spent $375.1 million to repurchase 2.7 million shares during the first half and paid $30.5 million in dividends. Cash declined to $153.2 million from $223.0 million at the end of March, while net debt increased by $71.0 million to $1.62 billion. The company still reported $891.8 million of total liquidity and a trailing-12-month leverage ratio of 1.6 times adjusted EBITDA. Approximately $677.3 million remained under its share-repurchase authorization.

Fiscal 2027 Guidance

ADS updated its fiscal 2027 targets, linking the revenue revision to softer demand, higher interest rates, geopolitical uncertainty, and lower-than-expected material inflation that reduced the need for pricing actions. Management said the adjusted EBITDA outlook remained largely unchanged because of favorable price-cost, productivity initiatives, material conversion, new products, and disciplined capital deployment.

Risks Investors Should Watch

• Organic demand and revenue timing: Organic Stormwater sales declined 5.3%, and management described the demand environment as softer than when it initially issued guidance. A larger-than-expected revenue pull-forward into Q1 also reduced Q2 sales.
• Margin and expense pressure: Adjusted EBITDA margin declined 1.6 percentage points, while SG&A rose 8.7%. Continued transportation costs, weak volume, or acquisition-related spending could limit the benefit of favorable price-cost.
• Acquisition dependence and execution: NDS provided $77.3 million of quarterly revenue and was the primary driver of reported sales growth. Integrating NDS and completing and integrating the proposed StormTrap acquisition introduce execution and transaction-cost considerations.
• Cash flow and capital allocation: First-half operating and free cash flow both declined by about 10% as ADS spent $375.1 million on repurchases. Net debt increased and cash declined, making future cash conversion and leverage important measures to monitor.

Summary

ADS’s fiscal Q2 2027 sales growth was driven by NDS rather than organic Stormwater demand, while higher operating expenses and an unfavorable disposal comparison weighed on GAAP earnings. Favorable price-cost kept adjusted EBITDA nearly flat, but its margin narrowed. The main issues for the remainder of fiscal 2027 are whether organic demand stabilizes, whether ADS can preserve its adjusted EBITDA outlook despite lower revenue expectations, and how cash flow and leverage develop alongside acquisition activity and share repurchases.