Donaldson Company (DCI) Stock Fundamentals, Analysis & Risk Signals

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

Donaldson Company

NYSE•Industrials•Specialty Industrial Machinery

$85.90+0.57(0.01%)After hours

Market Cap

$9.88B

P/E

21.8x

P/S

2.5x

P/B

5.6x

Donaldson Company, Inc. manufactures and sells filtration systems and replacement parts worldwide. The company operates through Mobile Solutions, Industrial Solutions, and Life Sciences segments. The Mobile Solutions segment provides replacement filters for air and liquid filtration applications, such as air filtration systems, fuel, lube and hydraulic systems, emissions systems and sensors, indicators, and monitoring systems. This segment sells its products to original equipment manufacturers (OEMs) in the construction, mining, agriculture, and transportation markets; and to independent distributors, and OEM dealer networks. The Industrial Solutions segment offers dust, fume, and mist collectors; compressed air and industrial gasses purification systems; air inlet systems and filtration for power generation; ancillary components; replacement parts; performance monitoring and service; and hydraulic and lubricated rotating equipment applications, as well as gas and liquid filtration for industrial processes and connected services. It also sells aerospace and defense products comprising of air, fuel, lubrication and hydraulic filtration for fixed-wing and rotorcraft aerospace platforms, missile systems, and ground defense vehicles and naval platforms. This segment sells its products to various distributors, OEMs, and direct-to-consumer. The Life Sciences segment provides micro-environment gas and liquid filtration for food, beverage, and industrial processes; bioprocessing equipment that includes bioreactors and fermenters; and bioprocessing consumables, such as chromatography devices, reagents and filters, and polytetrafluoroethylene membrane-based products, as well as specialized air and gas filtration systems for applications, including hard disk drives, semi-conductor manufacturing and sensors, battery systems, and powertrain components to OEMs and various end-users. The company was founded in 1915 and is headquartered in Bloomington, Minnesota.

How this company scores

ExcellentMetricSide Score: 80/100

Strongest: Profitability (25/25); weakest: Balance Sheet & Red Flags (11/25).

Profitability25/25

Growth21/25

Balance Sheet & Red Flags11/25

Cash & Earnings Quality23/25

Strengths

Rising free cash flowStrong marginsHigh ROERising earnings

Valuation vs. 5-year range

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

P/E · 21.8x5y range 20.5x – 31.1x

Currently near its 20-quarter median.

P/S · 2.5x5y range 2.1x – 3.1x

Currently near its 20-quarter median.

P/B · 5.6x5y range 5.3x – 8.3x

Watch items

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

Some Concerns

Leverage Risk

Watch

Debt-to-equity has risen 67.3% recently — increasing financial risk even if the current ratio is manageable.

Price & Volume

Market Cap $9.88B

Metrics at a Glance

as of July 2026

Revenue & Profit

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

TTM Revenue: $3.89B
Q. Revenue: $1.06B
TTM EBITDA: $754.60M
TTM Op. Income: $599.90M
Q. Op. Income: $176.60M
TTM Net Income: $453.80M
Q. Net Income: $129.30M
EPS: $1.117
Shares Out.: $115.80M

$3.89B in TTM revenue grew 5.3% YoY, reaching $1.06B last quarter. TTM EBITDA of $754.60M and TTM operating income of $599.90M show growth is flowing through to the bottom line. TTM net income of $453.80M means revenue is converting into profit. Across the last 8 quarters, TTM revenue has risen for 6 consecutive quarters — an improving trend.

Margins

Gross, EBITDA, operating, and net margin trends

Gross Margin: 36.3%
EBITDA Margin: 24.4%
Op. Margin: 16.7%
Net Margin: 12.2%

Op. margin of 16.7% is up 1.2% YoY — cost efficiency is improving. Net margin at 12.2% and gross margin of 36.3% show how much of each revenue dollar survives to profit. Across the last 8 quarters, operating margin has risen for 2 consecutive quarters — an improving trend.

Price Ratios

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

P/E Ratio: 21.8x
P/S Ratio: 2.5x
P/B Ratio: 5.6x

At 21.8x P/E, the stock trades within typical market levels. P/S of 2.5x and P/B of 5.6x provide additional context. Use the growth and margin sections to judge whether the multiple is justified. Across the last 8 quarters, P/E has fallen for 2 consecutive quarters — an improving trend.

Assets & Liabilities

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

Total Assets: $3.99B
Cash: $250.40M
Long-Term Debt: $1.28B
Book Value: $1.76B
D/E Ratio: 0.7
Debt/EBITDA: 5.0

With $3.99B in assets and $1.28B in long-term debt, D/E is 0.7and book value is $1.76B — a conservative capital structure with a cushion to weather downturns. Over the past year, debt/equity is up 67% — a weakening trend.

Cash Flow

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

Op. Cash Flow: $199.90M
TTM Free Cash Flow: $426.30M
FCF Margin: 11.0%
FCF / Net Income: 0.9

TTM FCF of $426.30M on $199.90M in operating cash flow. The FCF / Net Income ratio of 0.9x means free cash flow covers net income — earnings are backed by cash. Across the last 8 quarters, free cash flow has risen for 2 consecutive quarters — an improving trend.