Buy Stantec (STN): Backlog Strength and Margin Expansion Offer a Compelling Risk-Reward

Hook & thesis

Stantec is an engineering and design services firm that has moved from margin recovery into margin leadership. With record backlog ($9.0 billion) and recent quarter results showing revenue and adjusted EPS growth, the company looks positioned to convert wins into cash flow while still trading at reasonable multiples versus its operational progress. We view the current share price as a buying opportunity for investors looking for exposure to infrastructure, coastal resilience and data-center related engineering work, with the trade focused on the next 45 trading days and an actionable plan to manage downside.

Why the market should care

Stantec provides design, engineering and consulting services across infrastructure, environmental and built-environment projects. The business is tied to public and private capital spending patterns in water, transportation, defense and high-power facilities like data centers. The company reported record backlog of $9.0 billion on 05/13/2026 and achieved record 2025 results with net revenue of $6.5 billion, adjusted EBITDA of $1.143 billion, and adjusted EPS of $5.30. That combination of backlog and margin expansion is the fundamental driver: more booked work plus higher margins equals predictable revenue conversion and growing free cash flow.

Financials and recent trends

Key numbers to note:

• Net revenue (2025): $6.5 billion, up 10.7% year-over-year.
• Adjusted EBITDA (2025): $1.143 billion, up 16.7%; adjusted EBITDA margin reached 17.6% - achieved one year ahead of schedule.
• Q1 2026 revenue: $1.7 billion, up 9.1% YoY; adjusted EBITDA $287.0 million, up 13.8%; adjusted EPS $1.33, up 14.7% (reported 05/13/2026).
• Backlog: $9.0 billion (05/13/2026), up 13.2% YoY.
• Free cash flow: $543 million (most recent 12-month figure reported in ratios).

The company has converted margin targets into reality: management reached the 17.6% adjusted EBITDA margin target a year early and has guided to mid-to-high single-digit organic growth for 2026 with adjusted EBITDA margins of 17.6%-18.2%.

Valuation framing

At the current price of $73.49, Stantec's market cap is roughly $8.26 billion and enterprise value about $9.34 billion. The stock trades at ~22.8x reported earnings (P/E) and ~11.7x EV/EBITDA. Price-to-sales sits around 1.77x while price-to-book is ~3.41x. Those multiples are not cheap in absolute terms, but they look reasonable given the quality of backlog, the margin expansion already realized and consistent free cash flow generation of roughly $543 million.

Put another way, if Stantec can sustain an 18% EBITDA margin on revenue growth in the mid-single digits, the EV/EBITDA multiple should compress as investors re-rate the stock closer to professional services peers that trade in the mid-to-low teens on EV/EBITDA when growth is stable. The stock is well off its 52-week high of $114.51 and modestly above its 52-week low of $66.26; that drawdown partly reflects cyclical sentiment in engineering and construction exposure rather than a deterioration in fundamentals.

What’s working now

• Backlog momentum: $9.0B record backlog and Q1 revenue strength indicate steady visibility into future revenue.
• Margin execution: management hit the 17.6% adjusted EBITDA margin target and aims for incremental improvement into 2026.
• High-quality awards: recent contract wins include a US$150 million coastal resilience contract for Charleston (07/30/2026) and participation in Canada's Arctic radar program (03/04/2026) - both illustrate favorable exposure to public infrastructure.
• Cash flow and balance sheet: free cash flow generation and a conservative debt-to-equity of ~0.55 support capital allocation including the 8.9% dividend increase announced alongside record results (02/25/2026).

Catalysts (near to medium term)

• Quarterly results cadence - next earnings release and any upward revisions to 2026 guidance if organic growth outpaces management's mid-to-high single-digit outlook.
• Backlog conversion - sequential revenue growth driven by the $9.0B backlog realized as design work flows into construction.
• Large award headlines - follow-on announcements on the Charleston coastal resilience work or Arctic radar program could lift the stock via visible, high-margin program wins.
• Margin expansion confirmation - sustained adjusted EBITDA margins above 17.6% would justify multiple expansion.

Trade plan (actionable)

We initiate a long recommendation with the following parameters. This is a two-leg plan: a primary swing trade horizon and an optional longer-term position:

• Primary trade - entry: $73.50. Rationale: near the current rounded market price and above near-term moving averages that have acted as support.
• Stop loss: $66.00. Rationale: below recent 52-week low area and gives room for noise while protecting capital if backlog conversion or margin guidance weakens.
• Target (swing): $90.00 within mid term (45 trading days). Rationale: multiple re-rating toward low- to mid-20s EV/EBITDA on stronger-than-expected organic growth and margin confirmation implies upside to this level.
• Alternate target (position): $100.00 within long term (180 trading days) for investors willing to ride potential multiple expansion tied to sustained margin improvement and further large contract announcements.
• Horizon: primary is mid term (45 trading days). We expect the next 1-2 quarters of backlog conversion and margin commentary to determine whether the stock can re-rate; the 45-trading-day window captures post-earnings and catalyst-driven moves. Hold to 180 trading days only if management continues to demonstrate execution and backlog visibility.

Risk level: medium - the company has healthy cash flow and a moderate leverage profile, but project execution and cyclical end-markets create headline risk.

Risks and counterarguments

• Project execution risk - Engineering and construction projects can run late or over budget; any large-cost overruns on multi-year programs could impair margins and cash flow.
• Cyclicality in E&C spending - A macro slowdown or cutbacks in public or private capital spending (municipal budgets, commercial real estate, data center project pauses) would slow new bookings and backlog conversion.
• Concentration and competitive bid pressure - Large public-sector programs can be competitive and margin-compressing; if bid margins weaken on future wins, the current margin profile could prove temporary.
• Leadership transition - Management succession (CEO stepping to vice-chair and COO promoted to CEO on 10/01/2026) introduces some execution risk even though it is framed as orderly and part of a long-standing plan (06/17/2026).
• Valuation vulnerability - The stock still trades at ~22.8x earnings; if growth disappoints, multiple contraction could erase gains even if fundamentals remain stable.

Counterargument to our thesis

One could argue Stantec's current multiple already reflects most of the margin improvement and that future upside depends on sustained top-line acceleration in an environment where municipal and corporate budgets are uncertain. Rising interest rates or a slowdown in commercial construction could materially reduce future bookings, leaving the current valuation too optimistic.

We acknowledge that the short interest and periods of elevated short-volume activity create the potential for volatile swings; days-to-cover metrics have hovered around 4-5 days at recent settlement dates, so sentiment-driven moves can be rapid on either side.

What would change our view

We would become more bullish if Stantec posts another quarter of organic revenue growth above mid-single digits with adjusted EBITDA margin sustained above 17.6% and management raises 2026 guidance. Material new awards in high-margin verticals (defense, coastal resilience, data-center power) would also push us to increase the target.

We would turn cautious or downgrade the trade if: a) backlog growth stalls or declines sequentially; b) management withdraws margin guidance or reports meaningful margin compression; or c) the company reports a major project overruns that meaningfully reduces free cash flow or forces write-offs.

Conclusion

Stantec combines visible backlog, proven margin execution and solid cash generation into a mix that merits a long position for investors willing to accept execution risk. Our trade plan buys the stock at $73.50, places a protective stop at $66.00, and targets $90.00 over the mid term (45 trading days) with an optional long-term upside target of $100.00 over 180 trading days if the company continues to convert backlog and sustain margins. The trade balances upside from backlog conversion and margin leverage against the familiar execution and cyclicality risks of engineering and construction exposure.

Key dates to watch: next quarterly earnings release and any updates around major program milestones tied to coastal resilience and defense awards. Also watch management commentary around 09/29/2026 regarding dividend and capital allocation following the ex-dividend event.

Trade with clear position sizing and treat the $66 stop as the primary guardrail for capital preservation; the thesis requires continued conversion of backlog into high-quality revenue and steady margins, and the trade is structured to capture upside while limiting downside on execution disappointment.