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Side-by-side financial comparison of DONALDSON Co INC (DCI) and PLEXUS CORP (PLXS). Click either name above to swap in a different company.
PLEXUS CORP is the larger business by last-quarter revenue ($1.2B vs $935.4M, roughly 1.2× DONALDSON Co INC). DONALDSON Co INC runs the higher net margin — 12.2% vs 4.3%, a 7.9% gap on every dollar of revenue. On growth, PLEXUS CORP posted the faster year-over-year revenue change (18.7% vs 3.9%). Over the past eight quarters, PLEXUS CORP's revenue compounded faster (7.2% 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.
Plex Systems, Inc. is an American software company based in Troy, Michigan. The company develops and markets the Plex Manufacturing Cloud, a software as a service (SaaS) or cloud computing ERP for manufacturing.
DCI vs PLXS — Head-to-Head
Income Statement — Q1 FY2026 vs Q2 FY2026
| Metric | | |
|---|---|---|
| Revenue | $935.4M | $1.2B |
| Net Profit | $113.9M | $49.8M |
| Gross Margin | 35.2% | 10.2% |
| Operating Margin | 16.0% | 5.3% |
| Net Margin | 12.2% | 4.3% |
| Revenue YoY | 3.9% | 18.7% |
| Net Profit YoY | 15.1% | 27.5% |
| EPS (diluted) | $0.97 | $1.82 |
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.
| Q1 26 | — | $1.1B | ||
| Q4 25 | $935.4M | — | ||
| Q3 25 | $980.7M | — | ||
| Q2 25 | $940.1M | — | ||
| Q1 25 | $870.0M | — | ||
| Q4 24 | $900.1M | — | ||
| Q3 24 | $935.4M | — | ||
| Q2 24 | $927.9M | — |
| Q1 26 | — | $41.2M | ||
| Q4 25 | $113.9M | — | ||
| Q3 25 | $114.3M | — | ||
| Q2 25 | $57.8M | — | ||
| Q1 25 | $95.9M | — | ||
| Q4 24 | $99.0M | — | ||
| Q3 24 | $109.7M | — | ||
| Q2 24 | $113.5M | — |
| Q1 26 | — | 9.9% | ||
| Q4 25 | 35.2% | — | ||
| Q3 25 | 34.5% | — | ||
| Q2 25 | 34.2% | — | ||
| Q1 25 | 35.2% | — | ||
| Q4 24 | 35.5% | — | ||
| Q3 24 | 35.8% | — | ||
| Q2 24 | 35.6% | — |
| Q1 26 | — | 5.1% | ||
| Q4 25 | 16.0% | — | ||
| Q3 25 | 15.5% | — | ||
| Q2 25 | 9.3% | — | ||
| Q1 25 | 14.4% | — | ||
| Q4 24 | 14.5% | — | ||
| Q3 24 | 15.6% | — | ||
| Q2 24 | 15.5% | — |
| Q1 26 | — | 3.8% | ||
| Q4 25 | 12.2% | — | ||
| Q3 25 | 11.7% | — | ||
| Q2 25 | 6.1% | — | ||
| Q1 25 | 11.0% | — | ||
| Q4 24 | 11.0% | — | ||
| Q3 24 | 11.7% | — | ||
| Q2 24 | 12.2% | — |
| Q1 26 | — | $1.51 | ||
| Q4 25 | $0.97 | — | ||
| Q3 25 | $0.97 | — | ||
| Q2 25 | $0.48 | — | ||
| Q1 25 | $0.79 | — | ||
| Q4 24 | $0.81 | — | ||
| Q3 24 | $0.90 | — | ||
| Q2 24 | $0.92 | — |
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 | $303.1M |
| Total DebtLower is stronger | $671.5M | — |
| Stockholders' EquityBook value | $1.5B | $1.5B |
| Total Assets | $3.0B | $3.4B |
| Debt / EquityLower = less leverage | 0.44× | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | $248.8M | ||
| Q4 25 | $210.7M | — | ||
| Q3 25 | $180.4M | — | ||
| Q2 25 | $178.5M | — | ||
| Q1 25 | $189.1M | — | ||
| Q4 24 | $221.2M | — | ||
| Q3 24 | $232.7M | — | ||
| Q2 24 | $223.7M | — |
| Q1 26 | — | — | ||
| 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 26 | — | $1.5B | ||
| Q4 25 | $1.5B | — | ||
| Q3 25 | $1.5B | — | ||
| Q2 25 | $1.5B | — | ||
| Q1 25 | $1.5B | — | ||
| Q4 24 | $1.5B | — | ||
| Q3 24 | $1.5B | — | ||
| Q2 24 | $1.5B | — |
| Q1 26 | — | $3.2B | ||
| Q4 25 | $3.0B | — | ||
| Q3 25 | $3.0B | — | ||
| Q2 25 | $3.0B | — | ||
| Q1 25 | $3.0B | — | ||
| Q4 24 | $3.0B | — | ||
| Q3 24 | $2.9B | — | ||
| Q2 24 | $2.9B | — |
| Q1 26 | — | — | ||
| 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× | — |
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 | — |
| Free Cash FlowOCF − Capex | $111.2M | — |
| FCF MarginFCF / Revenue | 11.9% | — |
| Capex IntensityCapex / Revenue | 1.5% | — |
| Cash ConversionOCF / Net Profit | 1.10× | — |
| TTM Free Cash FlowTrailing 4 quarters | $403.2M | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | $125.4M | — | ||
| Q3 25 | $167.8M | — | ||
| Q2 25 | $87.7M | — | ||
| Q1 25 | $90.4M | — | ||
| Q4 24 | $72.9M | — | ||
| Q3 24 | $126.0M | — | ||
| Q2 24 | $141.5M | — |
| Q1 26 | — | — | ||
| Q4 25 | $111.2M | — | ||
| Q3 25 | $147.5M | — | ||
| Q2 25 | $73.0M | — | ||
| Q1 25 | $71.5M | — | ||
| Q4 24 | $47.9M | — | ||
| Q3 24 | $106.2M | — | ||
| Q2 24 | $120.2M | — |
| Q1 26 | — | — | ||
| Q4 25 | 11.9% | — | ||
| Q3 25 | 15.0% | — | ||
| Q2 25 | 7.8% | — | ||
| Q1 25 | 8.2% | — | ||
| Q4 24 | 5.3% | — | ||
| Q3 24 | 11.4% | — | ||
| Q2 24 | 13.0% | — |
| Q1 26 | — | — | ||
| Q4 25 | 1.5% | — | ||
| Q3 25 | 2.1% | — | ||
| Q2 25 | 1.6% | — | ||
| Q1 25 | 2.2% | — | ||
| Q4 24 | 2.8% | — | ||
| Q3 24 | 2.1% | — | ||
| Q2 24 | 2.3% | — |
| Q1 26 | — | — | ||
| Q4 25 | 1.10× | — | ||
| Q3 25 | 1.47× | — | ||
| Q2 25 | 1.52× | — | ||
| Q1 25 | 0.94× | — | ||
| Q4 24 | 0.74× | — | ||
| Q3 24 | 1.15× | — | ||
| Q2 24 | 1.25× | — |
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% |
PLXS
| Asia-Pacific | $652.0M | 56% |
| Americas | $397.0M | 34% |
| Europe, Middle East and Africa | $116.0M | 10% |
