Kirby (KEX) Stock Fundamentals, Analysis & Risk Signals

Health score, price, valuation, risk signals, and key metrics at a glance.

Kirby

NYSE•Industrials•Marine Shipping

$140.77-2.50(-0.02%)Market closed

Market Cap

$7.38B

P/E

20.8x

P/S

2.1x

P/B

2.1x

Kirby Corporation operates domestic tank barges in the United States. Its Marine Transportation segment provides marine transportation service and towing vessels transporting bulk liquid product, as well as operates tank barges throughout the Mississippi River System, on the Gulf Intracoastal Waterway, and coastwise along three United States coasts, Alaska, and Hawaii. It transports petrochemicals, black oils, refined petroleum products, and agricultural chemicals by tank barges; and operates offshore dry-bulk barges and tugboat units that are involved in the offshore transportation of dry-bulk cargos in the United States coastal trade. It owns and operates 1,105 inland tank barges, approximately 266 inland towboats, 28 coastal tank barges, 24 coastal tugboats, 2 offshore dry-bulk cargo barges, 3 offshore tugboats, and a docking tugboat. Its Distribution and Services segment sells after-market service and genuine replacement parts for engines, transmissions, reduction gears, electric motors, drives, and controls, electrical distribution and control systems, energy storage battery systems, and related oilfield service equipment; rebuilds component parts or diesel engines, transmissions and reduction gears, and related equipment for use in oilfield services, marine, power generation, on-highway, and other industrial applications; rents generators, industrial compressors, high capacity lift trucks, and refrigeration trailers; and manufactures and remanufactures oilfield service equipment, including pressure pumping units, as well as manufacturers electric power generation equipment, specialized electrical distribution and control equipment, and high capacity energy storage/battery systems. It serves various companies in the United States government, and pleasure crafts. The company was formerly known as Kirby Exploration Company, Inc. and changed its name to Kirby Corporation in 1990. Kirby Corporation was founded in 1921 and is headquartered in Houston, Texas.

How this company scores

ExcellentMetricSide Score: 86/100

Strongest: Cash & Earnings Quality (24/25); weakest: Balance Sheet & Red Flags (20/25).

Profitability21/25

Growth21/25

Balance Sheet & Red Flags20/25

Cash & Earnings Quality24/25

Strengths

Rising free cash flowRising earningsLow leverageInterest easily covered

Valuation vs. 5-year range

Today's multiple positioned against its own trailing range — a visual premium/discount check.

P/E · 20.8x5y range 15.4x – 37.6x

Currently near its 16-quarter median.

P/S · 2.1x5y range 1.4x – 2.2x

Currently above its 20-quarter median.

P/B · 2.1x5y range 1.1x – 2.1x

Watch items

Data-driven signals worth keeping an eye on across the last 8 quarters

Some Concerns

Earnings Quality

Watch

FCF/Net Income has dropped below 0.7x in 4 quarters — monitor for earnings quality deterioration.

Price & Volume

Market Cap $7.38B

Metrics at a Glance

as of June 2026

Revenue & Profit

Revenue, EBITDA, operating income, net income, EPS, and shares

TTM Revenue: $3.49B
Q. Revenue: $922.40M
TTM EBITDA: $762.25M
TTM Op. Income: $488.92M
Q. Op. Income: $122.36M
TTM Net Income: $355.23M
Q. Net Income: $89.73M
EPS: $1.68
Shares Out.: $53.38M

$3.49B in TTM revenue grew 6.6% YoY, reaching $922.40M last quarter. TTM EBITDA of $762.25M and TTM operating income of $488.92M show growth is flowing through to the bottom line. TTM net income of $355.23M means revenue is converting into profit. Across the last 8 quarters, TTM revenue has risen for 5 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

EBITDA Margin: 20.9%
Op. Margin: 13.3%
Net Margin: 9.7%

Op. margin of 13.3% is down 2.1% YoY — costs are rising relative to revenue. Net margin at 9.7% Over the past year, operating margin is down 14% — an improving trend.

Price Ratios

P/E, P/S, P/B, EV/EBITDA, FCF yield, and earnings yield

P/E Ratio: 20.8x
P/S Ratio: 2.1x
P/B Ratio: 2.1x

At 20.8x P/E, the stock trades within typical market levels. P/S of 2.1x and P/B of 2.1x provide additional context. Use the growth and margin sections to judge whether the multiple is justified. Across the last 8 quarters, P/E has risen for 3 consecutive quarters — a weakening trend.

Assets & Liabilities

Total assets, cash, debt, book value, and leverage

Total Assets: $6.22B
Cash: $38.95M
Long-Term Debt: $1.03B
Book Value: $3.44B
D/E Ratio: 0.3
Debt/EBITDA: 5.4

With $6.22B in assets and $1.03B in long-term debt, D/E is 0.3and book value is $3.44B — a conservative capital structure with a cushion to weather downturns. Across the last 8 quarters, debt/equity has risen for 2 consecutive quarters — a weakening trend.

Cash Flow

Operating cash flow, free cash flow, FCF margin, and earnings quality

Op. Cash Flow: $72.27M
TTM Free Cash Flow: $475.58M
FCF Margin: 13.6%
FCF / Net Income: 1.3

TTM FCF of $475.58M on $72.27M in operating cash flow. The FCF / Net Income ratio of 1.3x means free cash flow covers net income — earnings are backed by cash. Over the past year, free cash flow is up 82% — a weakening trend.