KEX

Industrials

Kirby Corporation · Marine Shipping · $8B

UQS Score — Balanced Preset
55.6
Good

Kirby Corporation scores 55.6/100 using the Balanced preset.

UQS vs Industrials Sector
KEX
55.6
Sector avg
42.4
Quality
Neutral
Moat
Weak
Growth
Neutral
Risk
Good
Valuation
Good

What is Kirby Corporation?

Kirby Corporation is the largest domestic tank barge operator in the United States, moving bulk liquid cargo across inland waterways, coastal routes, and into Alaska and Hawaii. The company also runs a distribution and services business serving industrial and oilfield customers.

Kirby generates revenue through two main segments. Its Marine Transportation segment hauls petrochemicals, refined petroleum products, black oil, and agricultural chemicals via tank barges along the Mississippi River System, the Gulf Intracoastal Waterway, and three U.S. coastlines. Its Distribution and Services segment sells aftermarket parts, rebuilds diesel engines and transmissions, rents industrial equipment such as generators and compressors, and manufactures oilfield service equipment — serving marine, power generation, and on-highway customers.

Kirby Corporation was founded in 1980 and is headquartered in Houston, Texas.

  • Inland tank barge transportation across major U.S. river systems
  • Coastal and offshore tank barge and tugboat operations
  • Aftermarket engine, transmission, and drivetrain parts and service
  • Industrial equipment rental including generators and compressors
  • Oilfield service equipment manufacturing and remanufacturing

Is KEX a Good Stock to Buy?

UQS Score rates KEX as Good overall, reflecting a balanced but nuanced profile across its five pillars.

Kirby's strongest signals come from its Risk and Valuation pillars, both rated Good — suggesting the stock carries below-average financial risk relative to peers and is not priced at a significant premium. These two pillars anchor the overall score and may appeal to investors prioritizing capital preservation alongside reasonable entry pricing.

The Moat pillar registers as Weak, indicating limited durable competitive advantages that could protect margins over a full market cycle. Quality and Growth both sit at Neutral, pointing to middling returns and an uninspiring near-term expansion trajectory.

See the exact pillar breakdown and full financial metrics by signing up for a UQS Pro account. Sign up free →

Past performance does not guarantee future results. UQS Score is based on fundamental data and is not a buy/sell recommendation.

Does KEX pay dividends?

No — Kirby Corporation does not currently pay a dividend.

Kirby Corporation does not currently pay a dividend. For a capital-intensive barge and industrial services operator, retaining cash to fund fleet maintenance, vessel acquisitions, and segment growth is a common strategic choice. Income-focused investors should factor this into their portfolio planning, as total return depends entirely on price appreciation.

When does KEX report earnings?

Kirby Corporation reports earnings on a quarterly cadence, consistent with standard practice for U.S.-listed equities.

Kirby's results tend to reflect conditions in domestic waterway freight demand, petrochemical production activity, and oilfield services spending. Seasonal patterns and energy market cycles can create meaningful quarter-to-quarter variability across both segments.

For the most recent quarter's results and guidance, visit Kirby Corporation's investor relations page directly.

KEX Price History

+120.0% over 5Y

Monthly close, adjusted for stock splits and dividend reinvestment.

Return Calculator

What if I invested in Kirby Corporation?

$
Today it would be worth
$23,791
That's a +138% total return, or +18.9% annualized.

Based on Kirby Corporation's historical closing prices, adjusted for stock splits and dividend reinvestment. Past performance does not guarantee future results. This is for informational purposes only and is not financial advice.

KEX Long-term Outlook

Kirby's Growth pillar sits at Neutral, suggesting the company is expanding at a pace broadly in line with its industrial peers rather than outpacing them. The Good Risk rating provides some confidence that the balance sheet and operational structure are positioned to weather demand softness. However, the Weak Moat rating is a meaningful long-term consideration — without strong pricing power or switching costs, margin durability may be tested during freight rate downturns or competitive pressure in the distribution segment.

Growth drivers

  • Steady domestic demand for bulk liquid transport along U.S. inland waterways
  • Oilfield services activity supporting the Distribution and Services segment
  • Fleet utilization improvements as energy production activity cycles upward

Key risks

  • Limited competitive moat leaves margins exposed to freight rate pressure
  • Energy sector spending cycles directly affect both business segments
  • Capital-intensive fleet operations require ongoing reinvestment, constraining free cash flow

KEX vs Peers

Kirby operates in the broader marine transportation and logistics space alongside several publicly traded peers, each with a distinct business focus.

MATXSimilar UQS
Matson, Inc.

Matson focuses on ocean container shipping to Hawaii, Alaska, and Pacific island markets, making it a closer geographic peer but with a containerized rather than bulk-liquid model.

HAFNKEX scores higher
Hafnia Limited

Hafnia operates a large international product tanker fleet, competing in global refined petroleum transport rather than Kirby's exclusively domestic waterway focus.

ZIMKEX scores higher
ZIM Integrated Shipping Services Ltd.

ZIM is a global container liner with significant exposure to transoceanic trade lanes, a very different risk and revenue profile compared to Kirby's regulated domestic barge network.

Frequently Asked Questions

What does Kirby Corporation do?

Kirby Corporation operates the largest domestic tank barge fleet in the United States, transporting bulk liquid products — including petrochemicals, refined petroleum, and agricultural chemicals — across inland waterways and coastal routes. It also runs a distribution and services business that sells parts, rebuilds engines, rents industrial equipment, and manufactures oilfield service equipment.

Does KEX pay dividends?

Kirby Corporation does not currently pay a dividend. The company retains earnings to fund fleet operations, vessel maintenance, and segment-level reinvestment. Investors seeking regular income should note that KEX is a total-return story dependent on price appreciation rather than dividend distributions.

When does KEX report earnings?

Kirby reports financial results on a quarterly basis, in line with standard U.S. equity reporting requirements. For precise dates and the most recent earnings releases, check Kirby Corporation's official investor relations page, as our data source does not cover forward earnings dates.

Is KEX a good stock to buy?

UQS Score rates KEX as Good overall. The Risk and Valuation pillars are both rated Good, which may appeal to investors focused on downside protection and fair pricing. The Moat pillar is rated Weak, and both Quality and Growth are Neutral — factors worth weighing carefully. The full pillar breakdown is available to Pro members.

Is KEX overvalued?

KEX carries a Good Valuation rating in the UQS framework, suggesting the stock is not trading at a significant premium relative to its fundamentals. That said, valuation is one of five pillars — a reasonable price does not offset weaknesses in moat or growth on its own. View the complete analysis with a Pro account.

How does KEX compare to its competitors?

Kirby's domestic focus on inland and coastal tank barge operations sets it apart from peers like Matson, Hafnia, and ZIM, which operate in containerized or international tanker markets. Kirby's niche in regulated U.S. waterway freight gives it a different demand profile, though its Weak Moat rating suggests this niche does not translate into strong pricing power.

What is KEX's market cap bracket?

Kirby Corporation is classified as a mid-cap stock. This places it in a range where institutional coverage exists but liquidity and analyst attention may be less extensive than for large- or mega-cap industrials. Mid-cap industrials can offer a balance of growth potential and established operations.

Who founded Kirby Corporation?

Kirby Corporation was founded in 1980. For detailed founding history and leadership background, the company's official website and investor relations materials are the most reliable sources.

Is KEX a long-term quality stock?

As a long-term quality indicator, KEX scores as Good under the UQS framework — driven by its Risk and Valuation ratings. However, the Weak Moat and Neutral Quality signals suggest the business may face challenges sustaining above-average returns over a full cycle. Long-term investors should weigh all five pillars before committing capital.

What is the main competitive advantage of Kirby Corporation?

Kirby's primary advantage is its scale as the dominant domestic tank barge operator, with an extensive fleet covering major U.S. waterway systems. However, the UQS Moat pillar rates this advantage as Weak, indicating that scale alone may not provide durable pricing power or meaningful barriers to competition in freight and distribution services.

What sector does KEX belong to?

Kirby Corporation is classified in the Industrials sector. More specifically, it operates within marine transportation and industrial distribution — two sub-industries sensitive to energy production activity, domestic freight demand, and broader manufacturing cycles. Explore other [top Industrials stocks](/sector/industrials) on UQS Score.

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Pro Analysis

KEX — Score History

4550556065Apr 2Apr 12Apr 22May 2May 12May 22May 24v5
Score changes· 17 most recent
DateUQSQualityMoatGrowthRiskValueChange
May 22, 202655.657.732.058.965.477.5+0.1
May 17, 202655.557.432.058.965.476.8+0.7
May 7, 202654.855.432.058.863.577.8+0.2
May 4, 202654.655.432.058.863.576.7+0.4
May 3, 202654.255.432.057.463.576.0+0.1
Apr 26, 202654.155.432.057.463.575.2-0.3
Apr 19, 202654.455.432.057.463.576.9-0.1
Apr 18, 202654.555.532.057.463.577.20.0
Apr 14, 202654.555.532.057.463.577.40.0
Apr 12, 202654.555.532.057.463.577.6-0.2

KEX — Pillar Breakdown

Quality

57.7/100 (25%)

Kirby Corporation shows solid profitability with healthy returns on capital and reasonable margins.

Capital Efficiency (ROIC)Weak

How effectively capital is deployed to generate returns.

Return on EquityModerate

Profitability relative to shareholders' equity.

Operating ProfitabilityModerate

Ability to convert revenue into operating profit.

Net ProfitabilityStrong

Bottom-line profit as a share of revenue.

Gross Profit / AssetsModerate

Asset productivity — how much gross profit each dollar of assets generates.

Cash GenerationStrong

Free cash flow relative to market value.

Growth

58.9/100 (20%)

Kirby Corporation demonstrates healthy growth trends across revenue and earnings.

Recent Revenue TrendWeak

Revenue trajectory over the last twelve months.

3Y Revenue CAGRWeak

Compound annual revenue growth rate over 3 years.

EPS GrowthStrong

Year-over-year earnings per share growth.

Forward Revenue OutlookModerate

Analyst consensus for future revenue growth.

Forward EPS GrowthStrong

Analyst consensus for future earnings growth.

Risk

65.4/100 (15%)

Kirby Corporation maintains a reasonable risk profile with manageable debt levels.

Financial LeverageModerate

Debt levels relative to earnings capacity.

Debt/EquityStrong

Total debt relative to shareholder equity.

Current RatioModerate

Short-term liquidity — ability to pay near-term obligations.

Interest CoverageModerate

Earnings capacity relative to interest payments.

Valuation

77.3/100 (15%)

Kirby Corporation appears attractively valued relative to its earnings, cash flows, and sector peers.

Earnings YieldModerate

Inverse of forward P/E — higher yield means cheaper stock.

Price to Free Cash FlowStrong

How many years of FCF the market cap represents.

PEG RatioStrong

P/E relative to earnings growth — lower is more attractive.

EV/EBITDA vs SectorStrong

Enterprise value multiple relative to sector median.

Moat

32/100 (25%)

Kirby Corporation operates in a highly competitive environment with limited sustainable advantages. The Moat pillar evaluates competitive advantages across five dimensions: Switching Costs, Network Effects, Cost Advantage, Intangible Assets, and Scale & Ecosystem. Sign in to customize moat ratings for KEX.

Score Composition

Quality
57.7×25%14.4
Growth
58.9×20%11.8
Risk
65.4×15%9.8
Valuation
77.3×15%11.6
Moat
32.0×25%8.0
Total
55.6Good

Financial Data

More Stock Analysis

How is the KEX UQS Score Calculated?

The UQS (Unified Quality Score) for Kirby Corporation is calculated using a proprietary 6-pillar framework with 29 financial metrics. Each pillar evaluates a different dimension on a 0–100 scale, then combines into a single weighted score. Scoring thresholds are calibrated per sector. Momentum is an optional Pro toggle — without it, you get the 5-pillar / 25-metric core shown below.

Quality (25%) measures profitability and capital efficiency — ROIC, ROE, margins, GP/Assets, and FCF Yield.

Moat (25%) assesses Kirby Corporation's competitive advantages across switching costs, network effects, cost advantages, intangible assets, and ecosystem scale.

Growth (20%) tracks revenue trajectory and earnings momentum, combining historical results with analyst forward estimates.

Risk (15%) is inversely scored — lower leverage and strong balance sheet health result in higher scores.

Valuation (15%) measures whether Kirby Corporation is fairly priced using earnings yield, price-to-FCF, PEG ratio, and EV/EBITDA relative to sector peers.

Six investor-inspired presets are available, each with different pillar weights: Balanced, Buffett, Munger, Lynch, Cathie Wood, and Graham. The public score shown here uses the Balanced preset. Learn more in our FAQ.