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Side-by-side financial comparison of DONALDSON Co INC (DCI) and FUEL TECH, INC. (FTEK). Click either name above to swap in a different company.
DONALDSON Co INC is the larger business by last-quarter revenue ($935.4M vs $7.2M, roughly 129.1× FUEL TECH, INC.). On growth, FUEL TECH, INC. posted the faster year-over-year revenue change (37.2% vs 3.9%). DONALDSON Co INC produced more free cash flow last quarter ($111.2M vs $-2.0M). Over the past eight quarters, FUEL TECH, INC.'s revenue compounded faster (20.9% 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.
Rocket Fuel was an ad technology company based in Redwood City, California. It was founded in 2008 by alumni of Yahoo!.
DCI vs FTEK — Head-to-Head
Income Statement — Q1 2026 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $935.4M | $7.2M |
| Net Profit | $113.9M | — |
| Gross Margin | 35.2% | 44.6% |
| Operating Margin | 16.0% | -19.7% |
| Net Margin | 12.2% | — |
| Revenue YoY | 3.9% | 37.2% |
| Net Profit YoY | 15.1% | — |
| EPS (diluted) | $0.97 | $-0.05 |
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 | $7.2M | ||
| Q3 25 | $980.7M | $7.5M | ||
| Q2 25 | $940.1M | $5.6M | ||
| Q1 25 | $870.0M | $6.4M | ||
| Q4 24 | $900.1M | $5.3M | ||
| Q3 24 | $935.4M | $7.9M | ||
| Q2 24 | $927.9M | $7.0M | ||
| Q1 24 | $876.7M | $5.0M |
| Q4 25 | $113.9M | — | ||
| Q3 25 | $114.3M | $303.0K | ||
| Q2 25 | $57.8M | $-689.0K | ||
| Q1 25 | $95.9M | $-739.0K | ||
| Q4 24 | $99.0M | — | ||
| Q3 24 | $109.7M | $80.0K | ||
| Q2 24 | $113.5M | $-421.0K | ||
| Q1 24 | $98.7M | $281.0K |
| Q4 25 | 35.2% | 44.6% | ||
| Q3 25 | 34.5% | 48.9% | ||
| Q2 25 | 34.2% | 45.5% | ||
| Q1 25 | 35.2% | 46.4% | ||
| Q4 24 | 35.5% | 42.3% | ||
| Q3 24 | 35.8% | 43.4% | ||
| Q2 24 | 35.6% | 41.9% | ||
| Q1 24 | 35.2% | 40.9% |
| Q4 25 | 16.0% | -19.7% | ||
| Q3 25 | 15.5% | 0.1% | ||
| Q2 25 | 9.3% | -23.5% | ||
| Q1 25 | 14.4% | -14.9% | ||
| Q4 24 | 14.5% | -40.1% | ||
| Q3 24 | 15.6% | -2.3% | ||
| Q2 24 | 15.5% | -10.2% | ||
| Q1 24 | 14.8% | -34.1% |
| Q4 25 | 12.2% | — | ||
| Q3 25 | 11.7% | 4.0% | ||
| Q2 25 | 6.1% | -12.4% | ||
| Q1 25 | 11.0% | -11.6% | ||
| Q4 24 | 11.0% | — | ||
| Q3 24 | 11.7% | 1.0% | ||
| Q2 24 | 12.2% | -6.0% | ||
| Q1 24 | 11.3% | 5.7% |
| Q4 25 | $0.97 | $-0.05 | ||
| Q3 25 | $0.97 | $0.01 | ||
| Q2 25 | $0.48 | $-0.02 | ||
| Q1 25 | $0.79 | $-0.02 | ||
| Q4 24 | $0.81 | $-0.06 | ||
| Q3 24 | $0.90 | $0.00 | ||
| Q2 24 | $0.92 | $-0.01 | ||
| Q1 24 | $0.81 | $0.01 |
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 | $24.9M |
| Total DebtLower is stronger | $671.5M | — |
| Stockholders' EquityBook value | $1.5B | $39.9M |
| Total Assets | $3.0B | $47.2M |
| Debt / EquityLower = less leverage | 0.44× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $210.7M | $24.9M | ||
| Q3 25 | $180.4M | $25.9M | ||
| Q2 25 | $178.5M | $23.0M | ||
| Q1 25 | $189.1M | $21.8M | ||
| Q4 24 | $221.2M | $18.7M | ||
| Q3 24 | $232.7M | $20.4M | ||
| Q2 24 | $223.7M | $20.1M | ||
| Q1 24 | $193.8M | $23.3M |
| 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 | $39.9M | ||
| Q3 25 | $1.5B | $41.0M | ||
| Q2 25 | $1.5B | $40.7M | ||
| Q1 25 | $1.5B | $41.4M | ||
| Q4 24 | $1.5B | $42.0M | ||
| Q3 24 | $1.5B | $43.9M | ||
| Q2 24 | $1.5B | $43.6M | ||
| Q1 24 | $1.4B | $44.0M |
| Q4 25 | $3.0B | $47.2M | ||
| Q3 25 | $3.0B | $47.9M | ||
| Q2 25 | $3.0B | $47.0M | ||
| Q1 25 | $3.0B | $46.7M | ||
| Q4 24 | $3.0B | $48.8M | ||
| Q3 24 | $2.9B | $50.1M | ||
| Q2 24 | $2.9B | $49.0M | ||
| Q1 24 | $2.8B | $49.4M |
| 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 | $-1.6M |
| Free Cash FlowOCF − Capex | $111.2M | $-2.0M |
| FCF MarginFCF / Revenue | 11.9% | -27.7% |
| Capex IntensityCapex / Revenue | 1.5% | 6.1% |
| Cash ConversionOCF / Net Profit | 1.10× | — |
| TTM Free Cash FlowTrailing 4 quarters | $403.2M | $2.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $125.4M | $-1.6M | ||
| Q3 25 | $167.8M | $3.1M | ||
| Q2 25 | $87.7M | $-21.0K | ||
| Q1 25 | $90.4M | $1.5M | ||
| Q4 24 | $72.9M | $-1.6M | ||
| Q3 24 | $126.0M | $879.0K | ||
| Q2 24 | $141.5M | $-1.6M | ||
| Q1 24 | $87.0M | $-1.1M |
| Q4 25 | $111.2M | $-2.0M | ||
| Q3 25 | $147.5M | $3.0M | ||
| Q2 25 | $73.0M | $-57.0K | ||
| Q1 25 | $71.5M | $1.4M | ||
| Q4 24 | $47.9M | $-1.7M | ||
| Q3 24 | $106.2M | $767.0K | ||
| Q2 24 | $120.2M | $-1.7M | ||
| Q1 24 | $65.7M | $-1.2M |
| Q4 25 | 11.9% | -27.7% | ||
| Q3 25 | 15.0% | 39.6% | ||
| Q2 25 | 7.8% | -1.0% | ||
| Q1 25 | 8.2% | 22.6% | ||
| Q4 24 | 5.3% | -32.4% | ||
| Q3 24 | 11.4% | 9.8% | ||
| Q2 24 | 13.0% | -23.8% | ||
| Q1 24 | 7.5% | -24.0% |
| Q4 25 | 1.5% | 6.1% | ||
| Q3 25 | 2.1% | 1.7% | ||
| Q2 25 | 1.6% | 0.6% | ||
| Q1 25 | 2.2% | 1.0% | ||
| Q4 24 | 2.8% | 1.2% | ||
| Q3 24 | 2.1% | 1.4% | ||
| Q2 24 | 2.3% | 1.3% | ||
| Q1 24 | 2.4% | 2.3% |
| Q4 25 | 1.10× | — | ||
| Q3 25 | 1.47× | 10.22× | ||
| Q2 25 | 1.52× | — | ||
| Q1 25 | 0.94× | — | ||
| Q4 24 | 0.74× | — | ||
| Q3 24 | 1.15× | 10.99× | ||
| Q2 24 | 1.25× | — | ||
| Q1 24 | 0.88× | -3.83× |
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% |
FTEK
Segment breakdown not available.
