Cardinal Infrastructure Group I (CDNL) Stock Price & How to Invest

Last updated October 2026

Short answer

CDNL is Cardinal Infrastructure Group, a Raleigh-based civil contractor that installs water, sewer and stormwater systems and does site work across the fast-growing Southeast, and it trades on Nasdaq after a December 2025 IPO. The stock has collapsed in the second half of 2026: at about $14.73 on October 16, 2026 it is down roughly 35% for the year and about 80% over three months, leaving a market value near $316 million, or roughly 0.5 times trailing revenue, a far cheaper multiple than the 5 to 6 times sales it carried in the summer.

CDNL stock price

As of 2026-11-04, Cardinal Infrastructure Group I (CDNL) last closed at $14.93, down 36.5% over the past year. Over its trading history so far it has traded between $13.69 and $94.31.

CDNL last close
$14.93
1 day
-4.96%
1 month
-48.00%
1 year
-36.47%
Range since listing
$13.69 to $94.31
Last close
2026-11-04

Prices are daily closing prices from Yahoo Finance and may be delayed. For the live quote, check your broker or Cardinal Infrastructure Group I's investor relations page. Walnut is informational, not investment advice.

What does Cardinal Infrastructure Group I (CDNL) do?

Cardinal Infrastructure Group (Nasdaq: CDNL) is a civil contracting and site development company founded in 2013 and headquartered in Raleigh, North Carolina. Its crews handle what the industry calls wet utilities (water, sewer and stormwater installation) plus grading, site clearing, erosion control, drilling and blasting, and paving for residential, commercial, industrial and municipal customers concentrated in the southeastern United States. The work sits at the very front of the construction sequence, which means Cardinal's volume tracks how many subdivisions, distribution centers, data centers and municipal upgrades are actually breaking ground in states like North Carolina, South Carolina, Georgia and Tennessee. The company employs roughly 1,480 people and came public in December 2025, then sold more stock in a June 2026 offering at $73 per share.

The growth rate is still unusual for the sector. Revenue reached about $456 million in 2025, up roughly 45 percent, and trailing twelve-month revenue is now around $663 million. Second quarter 2026 revenue more than doubled to about $227 million (about 114 percent growth, roughly 64 percent of it organic), adjusted EBITDA rose about 43 percent to roughly $28 million, and EPS of $0.42 matched the consensus estimate. Management raised full-year 2026 revenue guidance to roughly $880 million to $900 million and backlog reached about $866 million, up about 35 percent. The problem was margin: adjusted EBITDA margin fell to about 12.4 percent from 18.6 percent a year earlier on more subcontracting, equipment rental and corporate cost, and the stock fell about 36 percent on the August 11 report day. Since then Cardinal closed the Allied Paving Contractors acquisition (October 1), expanded its credit facility to about $550 million, and on October 13 announced a deal for Hughes Brothers Construction at about $357.5 million plus up to $97.5 million in earnouts, which the stock met with an 11 percent one-day decline. At about $14.73 the market value is near $316 million, roughly 0.5 times trailing sales and about 4.5 times consensus 2027 EPS, with trailing GAAP net income slightly negative (about negative $3.7 million).

What's driving Cardinal Infrastructure Group I (CDNL)?

1. Sun Belt population and construction migration.

Cardinal's geography is its single biggest tailwind. The Carolinas, Georgia and Tennessee have absorbed sustained in-migration, and every new subdivision, warehouse and campus needs water, sewer and stormwater work before vertical construction can start. That puts Cardinal at the front of a construction cycle it does not have to originate itself, and wins like the roughly $40 million Walmart sorting facility site job announced in September 2026 show the industrial side of that demand.

2. Backlog conversion and margin recovery.

Backlog near $866 million at mid-2026 was up roughly 35 percent from a year earlier and covers about a year of revenue at the current run rate. Backlog is the closest thing a contractor has to a subscription base, but the second quarter showed the open question is margin on that work, not whether the volume exists. Management's 16 to 18 percent adjusted EBITDA margin target for 2026 sits well above the 12.4 percent posted in Q2, so the third quarter report, expected around November 12, 2026 against consensus of roughly $235 million in revenue and $0.75 of EPS, is the next test.

3. Acquisitions in a fragmented trade.

Civil site work is one of the most fragmented parts of construction, dominated by family-owned regional operators. ALGC drove much of the 2025-2026 revenue jump, Allied Paving closed on October 1, 2026, and the pending Hughes Brothers deal (about $357.5 million plus up to $97.5 million in earnouts) is the largest yet. With the share price far below the $73 offering price, the stock is a much more expensive acquisition currency than it was, so more of the roll-up now leans on debt and cash. Whether it produces durable margin or just bigger revenue is the thing to track.

4. Municipal and utility spending.

Aging water and sewer systems across the Southeast create replacement work that is largely independent of the housing cycle. Municipal and state contracts tend to be lower margin than private site work but far steadier, which can smooth results when private development slows. The mix between those two buckets is a useful thing to watch in each quarterly report.

What are the risks to Cardinal Infrastructure Group I (CDNL)?

The valuation risk has flipped: at roughly 0.5 times trailing revenue the stock no longer carries a growth-software multiple, but the 80% three-month decline shows how fast sentiment can turn on a contractor that sold itself as a growth story. Margin compression is now the central operating risk, since Q2 2026 adjusted EBITDA margin fell to about 12.4 percent and trailing GAAP net income is slightly negative (about negative $3.7 million) with negative free cash flow of roughly $45 million. Acquisition-led growth adds integration risk, makes organic performance harder to read from headline revenue, and the Hughes Brothers price plus earnouts is large relative to a market value near $316 million, which raises leverage risk on top of roughly $228 million of existing debt. Cardinal remains a cyclical, weather-exposed business whose private-market demand depends on interest rates and homebuilder confidence, and fixed-price civil contracts carry real execution risk where a mispriced job or a wet quarter can erase margin. As a recent IPO with a Class A share structure and a June 2026 follow-on, the stock also carries supply and holder-turnover dynamics unrelated to how the business performs.

What is the Cardinal Infrastructure Group I (CDNL) forecast?

4 analysts publish price targets on CDNL, averaging $47.25 against a $15.47 price as of November 2026, or +205.4%. The published targets run from $30.00 to $70.00, a wide spread, and the ratings split 5 buy, 0 hold, 0 sell. Over the last six months there have been 2 raises and 3 cuts among the published actions. A price target is what an analyst published on a date, not a prediction, and sell-side ratings skew positive across the whole market.

Read the full CDNL forecast and price target for the target table, the recent rating actions by firm, and how the consensus has shifted.

Is CDNL a buy or a sell?

We give no verdict on Cardinal Infrastructure Group I. Both cases are real, which is why the question is contested at all, so here is the strongest version of each.

The case for buying. Sun Belt population and construction migration. Cardinal's geography is its single biggest tailwind. The most optimistic published target, $70.00, assumes this works close to its best case.

The case against. The valuation risk has flipped: at roughly 0.5 times trailing revenue the stock no longer carries a growth-software multiple, but the 80% three-month decline shows how fast sentiment can turn on a contractor that sold itself as a growth story. The most pessimistic target, $30.00, is roughly what CDNL is worth if this bites instead.

Read the full bull and bear case on CDNL, including what would have to change to break either one. Walnut is not an investment adviser.

Has Cardinal Infrastructure Group I (CDNL) split its stock?

No. Cardinal Infrastructure Group I (CDNL) has not split its stock in the last 10 years. That is a statement about the window we check rather than about the company’s entire history, so an older split is possible. It also matters less than it once did: fractional shares mean a high price per share no longer keeps smaller investors out, which removed most of the practical reason to split.

How is Cardinal Infrastructure Group I (CDNL) valued? (approximate, October 2026)

A simple financial snapshot. These are approximations and refresh quarterly; for current figures see Cardinal Infrastructure Group I's investor relations page or your broker.

  • Revenue (TTM): ~$663 million; Q2 2026 revenue up ~114% year over year
  • Q2 2026 revenue / EPS: ~$227 million / $0.42, in line with the $0.42 estimate
  • Adjusted EBITDA margin (Q2 2026): ~12.4%, down from ~18.6% a year earlier
  • Net income (TTM): ~-$3.7 million; operating margin ~7%
  • Backlog (mid-2026): ~$866 million, up ~35%
  • 2026 revenue guidance: ~$880-900 million (raised in August)
  • Market cap / price-to-sales: ~$316 million, ~0.5x trailing revenue
  • P/E trailing / forward: ~17x / ~4.5x (on 2027 consensus EPS ~$3.26)

The share price fell from the $73 June 2026 offering price to about $14.73 by October 16, 2026, so the stock now trades at roughly half of trailing sales and a low single-digit multiple of 2027 consensus EPS, below most public contractors. That discount reflects doubts about margins, cash flow and an acquisition-heavy plan rather than demand, since revenue guidance was raised. The four covering analysts still carry a mean target near $50, far above the price, which shows how wide the gap is between forecasts and the market's current read.

Who competes with Cardinal Infrastructure Group I (CDNL)?

Public civil and infrastructure contractors

Companies like Construction Partners (ROAD), Sterling Infrastructure (STRL), Primoris Services (PRIM) and Granite Construction (GVA) do overlapping site, paving and utility work. They are the natural valuation comparison set. Cardinal used to trade at a far higher revenue multiple than this group; after its 2026 slide it now trades at a lower one, which turns the comparison into a question about margins and balance sheet.

Regional private site-work firms

Most of Cardinal's actual day-to-day competition is family-owned grading, paving and utility contractors bidding the same Southeast jobs. They compete on price and crew availability rather than balance sheet, and they are also the acquisition pipeline Cardinal is buying from (ALGC, Allied Paving, Hughes Brothers), which makes them both rival and raw material.

Adjacent building-products and equipment suppliers

Names such as Core & Main (CNM), Arcosa (ACA) and Construction Partners are not direct bidders but move on the same Sun Belt construction demand signal. Watching them gives a read on whether Cardinal's results reflect the whole regional cycle or something specific to its own execution.

What stocks are similar to Cardinal Infrastructure Group I (CDNL)?

Other names that sit close to CDNL: same theme, named as a direct competitor, or held beside it in the same funds. Each entry says which. Worth a look if you are thinking about diversification within a thesis rather than concentration on one ticker.

How to invest in Cardinal Infrastructure Group I (CDNL)

There are three common ways to get CDNL exposure. Buy shares (or fractional shares) directly at any major broker. Hold an ETF that includes it, which spreads the position across many companies. Or build it into a focused thematic portfolio, so CDNL sits alongside other stocks that express the same thesis.

Walnut takes the portfolio route. Describe a thesis where CDNL fits (for example “AI infrastructure” or “dividend-growth large-caps”) and the AI proposes 5 to 6 constituents with target weights. You review the plan and fund it through your own broker when you're ready.

New to this? Start with how to invest in stocks, see how to analyze a stock with AI, or compare the best AI stock analyzers.

The bottom line on Cardinal Infrastructure Group I (CDNL)

Cardinal is still a fast-growing infrastructure contractor with a backlog that supports the revenue story, but after a lower-margin second quarter, a large debt-and-earnout acquisition and an 80% three-month slide, the debate has moved from whether it deserves a growth multiple to whether its margins and balance sheet hold up through an aggressive roll-up.

More on Cardinal Infrastructure Group I (CDNL)

Whether CDNL is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, what would have to go right, and the risks in is CDNL a buy or a sell?, and where the stock could go from here in the CDNL stock forecast.

For income investors, whether CDNL pays a dividend and how the payout looks is covered in does CDNL pay a dividend? And to weigh CDNL against a peer, read the full side-by-side comparisons: CDNL vs ROAD and CDNL vs STRL.

Wondering how CDNL fits the portfolio you already own? Walnut is an AI investing app that connects your brokerage read-only and answers questions like that about your actual holdings: overlap, concentration, and how each position tracks the S&P 500. Compare the best AI portfolio analyzers or see the best AI investing apps in 2026.

Investing in Cardinal Infrastructure Group I with AI

Connect the broker you already use and ask Walnut's AI how CDNL fits what you actually hold: whether you own it already through a fund, what it would do to your concentration, and how it has tracked the S&P 500. Read-only by default, and you approve anything before it reaches your broker.

FAQ

What does Cardinal Infrastructure Group actually do?

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It is a civil contractor that prepares raw land for construction. That means installing water, sewer and stormwater lines (wet utilities), plus grading, site clearing, erosion control, drilling and blasting, and paving, mostly for residential, commercial, industrial and municipal projects across the southeastern United States.

Where is CDNL listed and when did it go public?

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CDNL trades on the Nasdaq as Class A common stock. The company completed its initial public offering on December 10, 2025 and sold additional shares in a June 2026 offering at $73, so as of October 2026 it has only a few quarters of public reporting history behind it.

How fast is Cardinal growing?

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Very fast for its sector. Full-year 2025 revenue was about $456 million, up roughly 45 percent, trailing twelve-month revenue is near $663 million, and second quarter 2026 revenue more than doubled year over year to about $227 million, with roughly 64 percent organic growth. Management raised 2026 revenue guidance to roughly $880 million to $900 million.

Is Cardinal profitable?

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On an adjusted basis yes, on a trailing GAAP basis barely not. Q2 2026 adjusted EBITDA was about $28 million and quarterly net income about $4.7 million, but trailing twelve-month GAAP net income is about negative $3.7 million because of IPO-period and acquisition-related charges, and trailing free cash flow is roughly negative $45 million.

Why does the valuation get flagged so often?

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In the summer it was flagged for being expensive: around $3 billion of market value against roughly $542 million of trailing revenue. By October 16, 2026 the market value had fallen to about $316 million, roughly 0.5 times trailing revenue, so the valuation now gets flagged for the opposite reason, as a sign of how much the market doubts margins and the acquisition plan.

What is backlog and why does it matter here?

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Backlog is contracted work that has been awarded but not yet performed. Cardinal reported roughly $866 million at mid-2026, up about 35 percent year over year, which covers about a year of revenue at the current pace and is the main evidence supporting the forward growth outlook.

What would most likely go wrong?

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Further margin slippage like the Q2 2026 drop to a 12.4 percent adjusted EBITDA margin, integration and leverage risk from Allied Paving and the larger Hughes Brothers deal, and a Southeast housing or commercial development slowdown cutting private site work. Fixed-price contract execution, weather disruption and post-IPO share supply are the other recurring concerns.

How do people typically research a recent IPO like this?

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Common practice is to read the S-1 and 424B4 prospectus for customer concentration, contract structure and insider ownership, then track backlog growth, gross margin and organic growth quarter to quarter rather than headline revenue, since acquisitions inflate the top line. Walnut is not an investment adviser and none of this is a recommendation.

How did Cardinal do in its latest quarter?

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In Q2 2026, reported August 11, revenue was about $226.9 million, up about 114 percent, adjusted EBITDA about $28.1 million, and EPS $0.42, matching the estimate. Guidance was raised to $880 million to $900 million, but adjusted EBITDA margin fell to 12.4 percent from 18.6 percent and the stock dropped about 36 percent that day. The Q3 report is expected around November 12, 2026.

How has CDNL stock performed in 2026?

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Poorly. As of October 16, 2026 the stock closed near $14.73, down about 35 percent year to date, about 37 percent over one year, roughly 52 percent over the past month and about 80 percent over three months, near the bottom of its 52-week range of about $14.58 to $96.40.

Walnut is informational, not investment advice. Financial figures on this page are approximations; always verify current numbers with Cardinal Infrastructure Group I's investor relations page or your broker before making investment decisions.