ADVANCED DRAINAGE SYSTEMS, INC. (WMS): what the price assumes

In the published model solve dated 2026-Q2, anchored at $150.17, ADVANCED DRAINAGE SYSTEMS, INC. (WMS) is priced for today's economics sustained for ~6.2 years. boothcheck publishes no house fair value, target price, or buy/sell rating; individual model outputs and user-controlled scenarios are analytical inputs, not Boothcheck targets. Narrative composed 2026-06-28.

Generated: 2026-08-10 · Exported: 2026-08-12 · Source: https://boothcheck.com/report/WMS

Headline

What The Price Assumes (Inversion)

The assumption today's price embeds, recovered by inverting the valuation.

The operating-margin figure is value-band context at year 12: derived from the framework's value band, a separate calculation — not part of the priced-in solve.

Solve inputs: computed at a 10.9% cost of capital; growth searched up to the 25% self-funding ceiling; each 1pp moves the implied horizon ~1.7 years.

Reconcile: at the x-ray's 9.3% required return this reads ~18.3%/yr; the models below use their own rates.

How unusual the bet is: elevated

Valuation X-Ray

Asset, earnings-power and peer-multiple models all land far below the price; ONLY the growth-DCF reaches it. The bet is durable compounding the static frames structurally cannot price (a moat/durability premium).

How the valuation models price the stock relative to the market price. Price/FV above 1.0 means the market pays more than that lens defends (expensive); at or below 1.0 the lens can defend the price.

Families that justify the price: Growth Families that call it expensive: Asset, Earnings

The models below discount at their own flat-beta convention rates (cost of equity 9.3%, WACC 8.6%); the inversion above states its own rate.

Per-Model Detail (n=11)

Economic-Unit Decomposition (Sum Of The Parts)

One or more material disclosed units has unresolved economics. Unknown/general is not evidence of homogeneity: segment SOTP is primary but incomplete, consolidated cash flow may remain only a secondary cross-check when every unit shares an enterprise basis, and one sector multiple or target margin is withheld.

No total common-equity value is stated. One or more material units lack a supported unit value. The displayed values are an indicative subtotal; consolidated debt and cash cannot be applied to a fraction of the company.

Solvency

Interest expense is not separately reported in the latest filings, so interest coverage cannot be computed.

Bullet Takeaways

• The price near 147 dollars clears every static valuation frame and is reached only by the growth-DCF, the signature of a real moat: Advanced Drainage Systems leads the recycled-HDPE stormwater-pipe category with a 22.9 percent ROE and an adjusted EBITDA margin near 28 percent.
• Fiscal 2026 delivered net sales of 3.05 billion dollars and adjusted EBITDA of 962.9 million dollars, with the higher-margin Allied and Infiltrator lines leading and an 11 percent dividend hike plus the accretive NDS acquisition; FY2027 guidance calls for 3.35 to 3.55 billion dollars of revenue.
• The bet is cyclical: demand follows construction, which is already slowing across residential and non-residential, and with the price above all asset and earnings-power frames on cyclical-peak margins, a deeper downturn or a resin-cost squeeze (the filing flags raw-material cost and competitive pricing risk, FY2025 10-K, accession 0001604028-25-000012) would compress both volume and margin.

Bull Case

Look at where the price sits against the valuation methods and a clear pattern emerges. At about 147 dollars, the price clears the asset frames by a wide margin, sits above the peer-multiple read near 114 dollars, and is reached only by the growth-DCF methods near 130 to 133 dollars. The asset and earnings-power frames call it expensive; only durable compounding justifies it. For a business like Advanced Drainage Systems, that spread is not a warning, it is the signature of a real moat the static frames cannot price. The company makes high-density polyethylene stormwater pipe from recycled plastic, and it has built the largest recycling and manufacturing footprint in the category, which gives it a structural cost and scale advantage over fragmented concrete-pipe competitors. A 22.9 percent return on equity confirms the franchise earns far above its cost of capital.

The operating results support the premium. Fiscal 2026 net sales reached 3.05 billion dollars and adjusted EBITDA reached 962.9 million dollars, with a fourth quarter that grew revenue 10 percent to 677 million dollars at a 27.8 percent adjusted EBITDA margin. The higher-margin lines are leading: Allied Products and the Infiltrator on-site wastewater business have been outgrowing the base pipe segment, shifting the mix toward more profitable, less commoditized products. A nearly 28 percent EBITDA margin in a building-products company is exceptional and reflects the pricing power that comes from material conversion and scale.

Management is compounding that cash thoughtfully. The company raised its dividend 11 percent and acquired NDS, a residential stormwater and irrigation supplier expected to be accretive to adjusted EPS in the first year and to add roughly 40 million dollars of revenue at a 20 percent EBITDA margin. Fiscal 2027 guidance calls for revenue of 3.35 to 3.55 billion dollars and adjusted EBITDA of 1.0 to 1.05 billion dollars, continued growth on an already strong base. The price embeds a finite duration of above-market returns, roughly five years on the inversion, which for a category leader with a recycling-cost moat and a record of margin expansion is a reasonable bet. Analyst targets clustering near 199 dollars reflect that the market sees the compounding running longer than the static frames assume.

Bear Case

Begin with the qualitative reality, not the ratio: Advanced Drainage Systems is a building-products company, and building products are cyclical, no matter how good the margins look at the top of the cycle. The demand for stormwater and wastewater pipe is downstream of construction activity, and construction is slowing. The company has already flagged a sharper-than-anticipated decline in construction that has produced prolonged weakness in both residential and non-residential segments, the very end markets that drive the bulk of its sales. A 27.8 percent EBITDA margin achieved in a strong cycle is not the margin to underwrite through a downturn; when volumes fall, a manufacturer with fixed plant and recycling infrastructure sees margins compress quickly, and the operating leverage that lifted profits on the way up works in reverse on the way down.

The cost structure adds a second vulnerability. Recycled plastic resin is the dominant input, and the company notes that raw-material costs represent a significant portion of cost of goods sold, that the industry is highly competitive, and that selling prices may vary based on competitors' sales policies, so it aims to raise prices to cover raw-material increases (FY2025 10-K, accession 0001604028-25-000012). That is a candid admission that pricing power is not unlimited: in a competitive market with volatile resin costs, the company is perpetually trying to push price increases through, and in a soft-demand environment that becomes far harder. Seasonality compounds the noise, with sales concentrated in the first and second fiscal quarters on favorable construction weather (FY2025 10-K, accession 0001604028-25-000012), so a weak season can disproportionately hurt a year.

Now the numbers confirm the qualitative concern. The price sits above every static valuation frame, with the asset-based excess-return reads near 59 to 92 dollars and the zero-growth earnings-power value far below the price, justified only by the growth-DCF. That means the buyer is paying a full price for cyclical-peak earnings and underwriting that the above-market returns persist for years. The NDS acquisition adds residential exposure precisely as residential construction weakens. If the construction slowdown deepens or resin costs spike into soft pricing, both volume and margin contract together, and a stock priced for durable compounding at a cyclical high has a long way to fall toward the asset and earnings-power values that already sit well below it.

Valuation

Advanced Drainage Systems trades at a premium that only its growth justifies, and the X-ray makes the structure clear. The price near 147 dollars is reached by the growth-DCF family: perpetual-growth DCF near 133 dollars and exit-multiple DCF near 130 dollars. The relative-valuation frame, at a blended P/E near 21 times, lands around 114 dollars, below the price. The asset-based excess-return frames land much lower, at 59 to 92 dollars on a book value of 23.69 dollars per share, and the zero-growth earnings-power read is lower still.

Because the company is solidly profitable with a 20 percent-plus operating margin, the inversion runs as a duration solve rather than a growth solve: at the current price the market is paying about 19 times operating income, embedding roughly five years of above-market returns at a normalized margin near 16 percent. The composite read is elevated, meaning above what the fundamentals comfortably support on a static basis. Each one-percentage-point change in the cost of capital moves the implied duration by only about 1.6 years, so the solve is relatively stable, but the elevated label is the honest summary: the price requires the compounding to persist.

The synthesis is a quality-versus-cycle tension. Advanced Drainage Systems is a genuine category leader with a recycling-cost moat, a 22.9 percent ROE, and a record of margin expansion and accretive M&A, which argues the durable-compounding premium is earned. But the premium is being paid on cyclical-peak margins as construction softens, and the absence of any valuation support near the price means the downside in a real construction downturn is to the asset and earnings-power frames far below. This is a pay-up-for-quality name that should be sized for the cyclicality embedded in its end markets, not treated as a defensive compounder. The moat is real; the entry price assumes the cycle cooperates.

Catalysts

The dominant catalyst is the construction cycle. Roughly the majority of demand follows residential and non-residential building and repair-and-replacement activity, both of which the company has flagged as weakening, so the trajectory of construction starts and the company's quarterly volume and pricing trends are the cleanest read on whether the soft patch deepens or stabilizes. Because sales concentrate in the first and second fiscal quarters on favorable weather, the mid-year prints carry outsized signal about the year. Fiscal 2027 guidance of 3.35 to 3.55 billion dollars of revenue and 1.0 to 1.05 billion dollars of adjusted EBITDA sets the bar each quarter must defend.

The second catalyst is the integration of NDS and the resin-cost environment. The NDS acquisition closed and is expected to add roughly 40 million dollars of revenue at a 20 percent EBITDA margin while being accretive to adjusted EPS in year one, so evidence the deal delivers, and that residential exposure does not become a drag in a soft housing market, is worth tracking. Recycled-plastic-resin prices are the key input cost, and the company's ability to push selling-price increases through to cover material costs in a competitive, softening market is the margin variable to watch. Capital allocation, including the 11 percent dividend increase and any buyback, signals management's cash-flow confidence at a premium valuation.

Sources: Advanced Drainage Systems grows FY2026 earnings and hikes dividend 11 percent, stocktitan.net; Advanced Drainage Systems Q4 2026 earnings call transcript, benzinga.com; Advanced Drainage Systems analyst ratings and price targets, marketbeat.com; Advanced Drainage Systems Q2 2026 earnings highlights, finance.yahoo.com.

Peer Cohorts (Per Segment, With Filing Citations)

Stormwater / Wastewater (reported)

• MWA (MUELLER WATER PRODUCTS, INC.)
• FY2025 10-K: …to offer non-invasive leak detection and pipe condition assessment services is a key competitive advantage. With our Singer Valve and i2O products, we provide a range of intelligent water solutions including pressure control valves, advanced pressure management, network analytics, event management and data logging.…
• FY2025 10-K: …is in the process of transitioning from manually read meters to electronically read meters; however, we expect this transition to be relatively slow and that many end users will be reluctant to adopt brands other than their historically preferred brand. Our principal competitors in water metering products and systems…
• WTS (WATTS WATER TECHNOLOGIES INC)
• FY2025 10-K: 024-12-31 0000795403 us-gaap:CommonClassAMember 2023-07-31 0000795403 2025-10-01 2025-12-31 0000795403 2025-06-29 0000795403 us-gaap:CommonClassBMember 2026-01-25 0000795403 us-gaap:CommonClassAMember 2026-01-25 0000795403 2025-01-01 2025-12-31 xbrli:shares iso4217:USD iso4217:USD xbrli:shares xbrli:pure wts:segment…
• FY2025 10-K: …and practices and compare them to those suggested by various authorities on corporate governance and employed by other public companies and consider changes to our corporate governance policies and practices in light of such guidance and interpretations. We have adopted a Code of Business Conduct applicable to all…
• ZWS (ZURN ELKAY WATER SOLUTIONS CORPORATION)
• FY2025 10-K: …capital resources, in a highly competitive industry may adversely affect our business. Our ongoing success depends on our ability to recruit, retain and develop highly skilled management and key personnel, as well as our ability to effectively manage human capital resources. Competition for talented and skilled…
• FY2025 10-K: …demand for certain of our products. Climate change may impact rainfall and water availability in many areas in unpredictable and different ways, which may change the way building owners and municipalities manage drinking, waste and storm water and may lead to new or modified regulations that may impact the market for…

Methodology Note

• Priced-in inversion: the valuation is inverted on the current price to recover the operating-income growth, duration, and steady-state margin the price embeds (ROE for financials, FFO growth for REITs).
• Valuation x-ray: the valuation models, grouped into four families (asset, earnings, relative, growth). Each model is expressed as a price/FV ratio (distance from price), not a point fair-value estimate. The spread across families is the disagreement.
• Economic-unit decomposition (SOTP): each disclosed business unit is assigned its native valuation basis before any multiple is applied. Operating units are valued on enterprise value; funded financial units are valued on their own common equity, because their borrowings fund earning assets rather than levering the parent. A company total is stated only once every material unit carries a supported value and the parent capital bridge reconciles.
• Solvency: net cash/debt, net-debt-to-NOPAT, interest coverage, and share-count CAGR from EDGAR financials (net debt / FFO and fixed-charge coverage for REITs; regulatory-capital framing for financials).
• Peer cohorts: per-segment comparables with deep-linkable SEC filing citations.

Fundamentals sourced from SEC EDGAR filings. Current price from Databento. The priced-in inversion and valuation x-ray are computed by the boothcheck engine; narrative composed by AI from the structured data.