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Side-by-side financial comparison of DONALDSON Co INC (DCI) and WATTS WATER TECHNOLOGIES INC (WTS). Click either name above to swap in a different company.
DONALDSON Co INC is the larger business by last-quarter revenue ($935.4M vs $625.1M, roughly 1.5× WATTS WATER TECHNOLOGIES INC). WATTS WATER TECHNOLOGIES INC runs the higher net margin — 13.4% vs 12.2%, a 1.2% gap on every dollar of revenue. On growth, WATTS WATER TECHNOLOGIES INC posted the faster year-over-year revenue change (15.7% vs 3.9%). WATTS WATER TECHNOLOGIES INC produced more free cash flow last quarter ($140.3M vs $111.2M). Over the past eight quarters, WATTS WATER TECHNOLOGIES INC's revenue compounded faster (4.6% CAGR vs 3.3%).
Donaldson Company, Inc. is a filtration company engaged in the production and marketing of filtration products used in a variety of industry sectors, including commercial/industrial, aerospace, chemical, alternative energy (windmills), food & beverage, and pharmaceuticals. Also the company's research division, located in Minneapolis, Minn., participated in defense-related projects for various military applications.
AERCO International, Inc. is a manufacturer and supplier of commercial condensing boilers, high efficiency water heating equipment and energy recovery systems in the HVAC/plumbing industry across a variety of markets including education, lodging, government, office buildings, healthcare, industrial and multifamily housing. In 1949, AERCO introduced the industry's first semi-instantaneous, tankless steam-to-water water heater. In 1988, AERCO introduced the first condensing and fully modulating...
DCI vs WTS — Head-to-Head
Income Statement — Q1 FY2026 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $935.4M | $625.1M |
| Net Profit | $113.9M | $83.7M |
| Gross Margin | 35.2% | 49.5% |
| Operating Margin | 16.0% | 18.2% |
| Net Margin | 12.2% | 13.4% |
| Revenue YoY | 3.9% | 15.7% |
| Net Profit YoY | 15.1% | 24.0% |
| EPS (diluted) | $0.97 | $2.50 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.
| Q4 25 | $935.4M | $625.1M | ||
| Q3 25 | $980.7M | $611.7M | ||
| Q2 25 | $940.1M | $643.7M | ||
| Q1 25 | $870.0M | $558.0M | ||
| Q4 24 | $900.1M | $540.4M | ||
| Q3 24 | $935.4M | $543.6M | ||
| Q2 24 | $927.9M | $597.3M | ||
| Q1 24 | $876.7M | $570.9M |
| Q4 25 | $113.9M | $83.7M | ||
| Q3 25 | $114.3M | $82.2M | ||
| Q2 25 | $57.8M | $100.9M | ||
| Q1 25 | $95.9M | $74.0M | ||
| Q4 24 | $99.0M | $67.5M | ||
| Q3 24 | $109.7M | $69.1M | ||
| Q2 24 | $113.5M | $82.0M | ||
| Q1 24 | $98.7M | $72.6M |
| Q4 25 | 35.2% | 49.5% | ||
| Q3 25 | 34.5% | 48.8% | ||
| Q2 25 | 34.2% | 50.6% | ||
| Q1 25 | 35.2% | 48.8% | ||
| Q4 24 | 35.5% | 46.7% | ||
| Q3 24 | 35.8% | 47.3% | ||
| Q2 24 | 35.6% | 47.7% | ||
| Q1 24 | 35.2% | 46.9% |
| Q4 25 | 16.0% | 18.2% | ||
| Q3 25 | 15.5% | 18.2% | ||
| Q2 25 | 9.3% | 21.0% | ||
| Q1 25 | 14.4% | 15.7% | ||
| Q4 24 | 14.5% | 16.5% | ||
| Q3 24 | 15.6% | 17.1% | ||
| Q2 24 | 15.5% | 18.7% | ||
| Q1 24 | 14.8% | 16.9% |
| Q4 25 | 12.2% | 13.4% | ||
| Q3 25 | 11.7% | 13.4% | ||
| Q2 25 | 6.1% | 15.7% | ||
| Q1 25 | 11.0% | 13.3% | ||
| Q4 24 | 11.0% | 12.5% | ||
| Q3 24 | 11.7% | 12.7% | ||
| Q2 24 | 12.2% | 13.7% | ||
| Q1 24 | 11.3% | 12.7% |
| Q4 25 | $0.97 | $2.50 | ||
| Q3 25 | $0.97 | $2.45 | ||
| Q2 25 | $0.48 | $3.01 | ||
| Q1 25 | $0.79 | $2.21 | ||
| Q4 24 | $0.81 | $2.02 | ||
| Q3 24 | $0.90 | $2.06 | ||
| Q2 24 | $0.92 | $2.44 | ||
| Q1 24 | $0.81 | $2.17 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $210.7M | $405.5M |
| Total DebtLower is stronger | $671.5M | — |
| Stockholders' EquityBook value | $1.5B | $2.0B |
| Total Assets | $3.0B | $2.9B |
| Debt / EquityLower = less leverage | 0.44× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $210.7M | $405.5M | ||
| Q3 25 | $180.4M | $457.7M | ||
| Q2 25 | $178.5M | $369.3M | ||
| Q1 25 | $189.1M | $336.8M | ||
| Q4 24 | $221.2M | $386.9M | ||
| Q3 24 | $232.7M | $303.9M | ||
| Q2 24 | $223.7M | $279.4M | ||
| Q1 24 | $193.8M | $237.1M |
| Q4 25 | $671.5M | — | ||
| Q3 25 | $630.4M | — | ||
| Q2 25 | $638.8M | — | ||
| Q1 25 | $514.7M | — | ||
| Q4 24 | $538.6M | — | ||
| Q3 24 | $483.4M | — | ||
| Q2 24 | $481.8M | — | ||
| Q1 24 | $352.0M | — |
| Q4 25 | $1.5B | $2.0B | ||
| Q3 25 | $1.5B | $2.0B | ||
| Q2 25 | $1.5B | $1.9B | ||
| Q1 25 | $1.5B | $1.8B | ||
| Q4 24 | $1.5B | $1.7B | ||
| Q3 24 | $1.5B | $1.7B | ||
| Q2 24 | $1.5B | $1.6B | ||
| Q1 24 | $1.4B | $1.6B |
| Q4 25 | $3.0B | $2.9B | ||
| Q3 25 | $3.0B | $2.7B | ||
| Q2 25 | $3.0B | $2.6B | ||
| Q1 25 | $3.0B | $2.5B | ||
| Q4 24 | $3.0B | $2.4B | ||
| Q3 24 | $2.9B | $2.4B | ||
| Q2 24 | $2.9B | $2.4B | ||
| Q1 24 | $2.8B | $2.3B |
| Q4 25 | 0.44× | — | ||
| Q3 25 | 0.43× | — | ||
| Q2 25 | 0.44× | — | ||
| Q1 25 | 0.33× | — | ||
| Q4 24 | 0.35× | — | ||
| Q3 24 | 0.32× | — | ||
| Q2 24 | 0.32× | — | ||
| Q1 24 | 0.26× | — |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $125.4M | $154.7M |
| Free Cash FlowOCF − Capex | $111.2M | $140.3M |
| FCF MarginFCF / Revenue | 11.9% | 22.4% |
| Capex IntensityCapex / Revenue | 1.5% | 2.3% |
| Cash ConversionOCF / Net Profit | 1.10× | 1.85× |
| TTM Free Cash FlowTrailing 4 quarters | $403.2M | $356.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $125.4M | $154.7M | ||
| Q3 25 | $167.8M | $122.4M | ||
| Q2 25 | $87.7M | $69.7M | ||
| Q1 25 | $90.4M | $55.2M | ||
| Q4 24 | $72.9M | $139.5M | ||
| Q3 24 | $126.0M | $90.7M | ||
| Q2 24 | $141.5M | $85.3M | ||
| Q1 24 | $87.0M | $45.6M |
| Q4 25 | $111.2M | $140.3M | ||
| Q3 25 | $147.5M | $110.9M | ||
| Q2 25 | $73.0M | $59.5M | ||
| Q1 25 | $71.5M | $45.6M | ||
| Q4 24 | $47.9M | $127.5M | ||
| Q3 24 | $106.2M | $84.3M | ||
| Q2 24 | $120.2M | $78.5M | ||
| Q1 24 | $65.7M | $35.5M |
| Q4 25 | 11.9% | 22.4% | ||
| Q3 25 | 15.0% | 18.1% | ||
| Q2 25 | 7.8% | 9.2% | ||
| Q1 25 | 8.2% | 8.2% | ||
| Q4 24 | 5.3% | 23.6% | ||
| Q3 24 | 11.4% | 15.5% | ||
| Q2 24 | 13.0% | 13.1% | ||
| Q1 24 | 7.5% | 6.2% |
| Q4 25 | 1.5% | 2.3% | ||
| Q3 25 | 2.1% | 1.9% | ||
| Q2 25 | 1.6% | 1.6% | ||
| Q1 25 | 2.2% | 1.7% | ||
| Q4 24 | 2.8% | 2.2% | ||
| Q3 24 | 2.1% | 1.2% | ||
| Q2 24 | 2.3% | 1.1% | ||
| Q1 24 | 2.4% | 1.8% |
| Q4 25 | 1.10× | 1.85× | ||
| Q3 25 | 1.47× | 1.49× | ||
| Q2 25 | 1.52× | 0.69× | ||
| Q1 25 | 0.94× | 0.75× | ||
| Q4 24 | 0.74× | 2.07× | ||
| Q3 24 | 1.15× | 1.31× | ||
| Q2 24 | 1.25× | 1.04× | ||
| Q1 24 | 0.88× | 0.63× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
DCI
| Aftermarket Products | $447.1M | 48% |
| Industrial Filtration Solutions Products | $222.6M | 24% |
| Off Road Products | $86.5M | 9% |
| Life Sciences Segment | $80.0M | 9% |
| Other | $39.1M | 4% |
| Aerospace And Defense Products | $37.1M | 4% |
| On Road Products | $23.0M | 2% |
WTS
Segment breakdown not available.
