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Side-by-side financial comparison of DIODES INC (DIOD) and WATTS WATER TECHNOLOGIES INC (WTS). Click either name above to swap in a different company.
WATTS WATER TECHNOLOGIES INC is the larger business by last-quarter revenue ($625.1M vs $391.6M, roughly 1.6× DIODES INC). WATTS WATER TECHNOLOGIES INC runs the higher net margin — 13.4% vs 2.6%, a 10.8% gap on every dollar of revenue. On growth, WATTS WATER TECHNOLOGIES INC posted the faster year-over-year revenue change (15.7% vs 15.4%). WATTS WATER TECHNOLOGIES INC produced more free cash flow last quarter ($140.3M vs $12.4M). Over the past eight quarters, DIODES INC's revenue compounded faster (13.9% CAGR vs 4.6%).
Diodes Incorporated is a global semiconductor manufacturer that designs, produces and supplies discrete, analog and mixed-signal semiconductor products. Its solutions serve key end markets including automotive, industrial, consumer electronics, personal computing and communications infrastructure, with a worldwide customer base.
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...
DIOD vs WTS — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $391.6M | $625.1M |
| Net Profit | $10.2M | $83.7M |
| Gross Margin | 31.1% | 49.5% |
| Operating Margin | 3.4% | 18.2% |
| Net Margin | 2.6% | 13.4% |
| Revenue YoY | 15.4% | 15.7% |
| Net Profit YoY | 23.8% | 24.0% |
| EPS (diluted) | $0.23 | $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 | $391.6M | $625.1M | ||
| Q3 25 | $392.2M | $611.7M | ||
| Q2 25 | $366.2M | $643.7M | ||
| Q1 25 | $332.1M | $558.0M | ||
| Q4 24 | $339.3M | $540.4M | ||
| Q3 24 | $350.1M | $543.6M | ||
| Q2 24 | $319.8M | $597.3M | ||
| Q1 24 | $302.0M | $570.9M |
| Q4 25 | $10.2M | $83.7M | ||
| Q3 25 | $14.3M | $82.2M | ||
| Q2 25 | $46.1M | $100.9M | ||
| Q1 25 | $-4.4M | $74.0M | ||
| Q4 24 | $8.2M | $67.5M | ||
| Q3 24 | $13.7M | $69.1M | ||
| Q2 24 | $8.0M | $82.0M | ||
| Q1 24 | $14.0M | $72.6M |
| Q4 25 | 31.1% | 49.5% | ||
| Q3 25 | 30.7% | 48.8% | ||
| Q2 25 | 31.5% | 50.6% | ||
| Q1 25 | 31.5% | 48.8% | ||
| Q4 24 | 32.7% | 46.7% | ||
| Q3 24 | 33.7% | 47.3% | ||
| Q2 24 | 33.6% | 47.7% | ||
| Q1 24 | 33.0% | 46.9% |
| Q4 25 | 3.4% | 18.2% | ||
| Q3 25 | 3.0% | 18.2% | ||
| Q2 25 | 2.6% | 21.0% | ||
| Q1 25 | 0.4% | 15.7% | ||
| Q4 24 | 3.5% | 16.5% | ||
| Q3 24 | 6.2% | 17.1% | ||
| Q2 24 | 1.2% | 18.7% | ||
| Q1 24 | 4.3% | 16.9% |
| Q4 25 | 2.6% | 13.4% | ||
| Q3 25 | 3.6% | 13.4% | ||
| Q2 25 | 12.6% | 15.7% | ||
| Q1 25 | -1.3% | 13.3% | ||
| Q4 24 | 2.4% | 12.5% | ||
| Q3 24 | 3.9% | 12.7% | ||
| Q2 24 | 2.5% | 13.7% | ||
| Q1 24 | 4.6% | 12.7% |
| Q4 25 | $0.23 | $2.50 | ||
| Q3 25 | $0.31 | $2.45 | ||
| Q2 25 | $0.99 | $3.01 | ||
| Q1 25 | $-0.10 | $2.21 | ||
| Q4 24 | $0.18 | $2.02 | ||
| Q3 24 | $0.30 | $2.06 | ||
| Q2 24 | $0.17 | $2.44 | ||
| Q1 24 | $0.30 | $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 | $377.0M | $405.5M |
| Total DebtLower is stronger | $25.7M | — |
| Stockholders' EquityBook value | $1.9B | $2.0B |
| Total Assets | $2.4B | $2.9B |
| Debt / EquityLower = less leverage | 0.01× | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $377.0M | $405.5M | ||
| Q3 25 | $386.4M | $457.7M | ||
| Q2 25 | $327.3M | $369.3M | ||
| Q1 25 | $343.9M | $336.8M | ||
| Q4 24 | $316.1M | $386.9M | ||
| Q3 24 | $319.3M | $303.9M | ||
| Q2 24 | $273.9M | $279.4M | ||
| Q1 24 | $276.0M | $237.1M |
| Q4 25 | $25.7M | — | ||
| Q3 25 | $24.9M | — | ||
| Q2 25 | $26.4M | — | ||
| Q1 25 | $20.5M | — | ||
| Q4 24 | $20.7M | — | ||
| Q3 24 | $22.2M | — | ||
| Q2 24 | $20.3M | — | ||
| Q1 24 | $20.9M | — |
| Q4 25 | $1.9B | $2.0B | ||
| Q3 25 | $1.9B | $2.0B | ||
| Q2 25 | $1.9B | $1.9B | ||
| Q1 25 | $1.8B | $1.8B | ||
| Q4 24 | $1.8B | $1.7B | ||
| Q3 24 | $1.8B | $1.7B | ||
| Q2 24 | $1.8B | $1.6B | ||
| Q1 24 | $1.7B | $1.6B |
| Q4 25 | $2.4B | $2.9B | ||
| Q3 25 | $2.5B | $2.7B | ||
| Q2 25 | $2.5B | $2.6B | ||
| Q1 25 | $2.4B | $2.5B | ||
| Q4 24 | $2.4B | $2.4B | ||
| Q3 24 | $2.4B | $2.4B | ||
| Q2 24 | $2.4B | $2.4B | ||
| Q1 24 | $2.4B | $2.3B |
| Q4 25 | 0.01× | — | ||
| Q3 25 | 0.01× | — | ||
| Q2 25 | 0.01× | — | ||
| Q1 25 | 0.01× | — | ||
| Q4 24 | 0.01× | — | ||
| Q3 24 | 0.01× | — | ||
| Q2 24 | 0.01× | — | ||
| Q1 24 | 0.01× | — |
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 | $38.1M | $154.7M |
| Free Cash FlowOCF − Capex | $12.4M | $140.3M |
| FCF MarginFCF / Revenue | 3.2% | 22.4% |
| Capex IntensityCapex / Revenue | 6.6% | 2.3% |
| Cash ConversionOCF / Net Profit | 3.74× | 1.85× |
| TTM Free Cash FlowTrailing 4 quarters | $137.2M | $356.3M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $38.1M | $154.7M | ||
| Q3 25 | $79.1M | $122.4M | ||
| Q2 25 | $41.5M | $69.7M | ||
| Q1 25 | $56.7M | $55.2M | ||
| Q4 24 | $81.8M | $139.5M | ||
| Q3 24 | $54.4M | $90.7M | ||
| Q2 24 | $14.4M | $85.3M | ||
| Q1 24 | $-31.1M | $45.6M |
| Q4 25 | $12.4M | $140.3M | ||
| Q3 25 | $62.8M | $110.9M | ||
| Q2 25 | $21.1M | $59.5M | ||
| Q1 25 | $40.8M | $45.6M | ||
| Q4 24 | $62.1M | $127.5M | ||
| Q3 24 | $39.4M | $84.3M | ||
| Q2 24 | $-3.5M | $78.5M | ||
| Q1 24 | $-51.5M | $35.5M |
| Q4 25 | 3.2% | 22.4% | ||
| Q3 25 | 16.0% | 18.1% | ||
| Q2 25 | 5.8% | 9.2% | ||
| Q1 25 | 12.3% | 8.2% | ||
| Q4 24 | 18.3% | 23.6% | ||
| Q3 24 | 11.2% | 15.5% | ||
| Q2 24 | -1.1% | 13.1% | ||
| Q1 24 | -17.1% | 6.2% |
| Q4 25 | 6.6% | 2.3% | ||
| Q3 25 | 4.2% | 1.9% | ||
| Q2 25 | 5.6% | 1.6% | ||
| Q1 25 | 4.8% | 1.7% | ||
| Q4 24 | 5.8% | 2.2% | ||
| Q3 24 | 4.3% | 1.2% | ||
| Q2 24 | 5.6% | 1.1% | ||
| Q1 24 | 6.7% | 1.8% |
| Q4 25 | 3.74× | 1.85× | ||
| Q3 25 | 5.54× | 1.49× | ||
| Q2 25 | 0.90× | 0.69× | ||
| Q1 25 | — | 0.75× | ||
| Q4 24 | 9.93× | 2.07× | ||
| Q3 24 | 3.95× | 1.31× | ||
| Q2 24 | 1.80× | 1.04× | ||
| Q1 24 | -2.22× | 0.63× |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
DIOD
| Distributor | $253.1M | 65% |
| Direct Sales | $138.5M | 35% |
WTS
Segment breakdown not available.
