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Side-by-side financial comparison of Energy Recovery, Inc. (ERII) and RHYTHM PHARMACEUTICALS, INC. (RYTM). Click either name above to swap in a different company.
Energy Recovery, Inc. is the larger business by last-quarter revenue ($66.9M vs $57.3M, roughly 1.2× RHYTHM PHARMACEUTICALS, INC.). Energy Recovery, Inc. runs the higher net margin — 40.2% vs -83.0%, a 123.2% gap on every dollar of revenue. On growth, RHYTHM PHARMACEUTICALS, INC. posted the faster year-over-year revenue change (36.9% vs -0.3%). Over the past eight quarters, RHYTHM PHARMACEUTICALS, INC.'s revenue compounded faster (48.5% CAGR vs 8.1%).
Energy Recovery Inc. is an American manufacturer of energy recovery devices for water and CO2 refrigeration industries.
Rhythm Pharmaceuticals is a biopharmaceutical firm focused on developing and commercializing targeted therapies for rare genetic disorders causing severe unmanageable obesity, including POMC deficiency, LEPR deficiency, and Bardet-Biedl syndrome. It serves patients in North America and Europe who lack effective standard treatments for their chronic life-altering conditions.
ERII vs RYTM — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $66.9M | $57.3M |
| Net Profit | $26.9M | $-47.5M |
| Gross Margin | 67.2% | 91.6% |
| Operating Margin | 46.8% | -82.2% |
| Net Margin | 40.2% | -83.0% |
| Revenue YoY | -0.3% | 36.9% |
| Net Profit YoY | 14.7% | -9.6% |
| EPS (diluted) | $0.49 | $-0.73 |
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 | $66.9M | $57.3M | ||
| Q3 25 | $32.0M | $51.3M | ||
| Q2 25 | $28.1M | $48.5M | ||
| Q1 25 | — | $32.7M | ||
| Q4 24 | $67.1M | $41.8M | ||
| Q3 24 | $38.6M | $33.3M | ||
| Q2 24 | $27.2M | $29.1M | ||
| Q1 24 | $12.1M | $26.0M |
| Q4 25 | $26.9M | $-47.5M | ||
| Q3 25 | $3.9M | $-52.9M | ||
| Q2 25 | $2.1M | $-46.6M | ||
| Q1 25 | — | $-49.5M | ||
| Q4 24 | $23.5M | $-43.3M | ||
| Q3 24 | $8.5M | $-43.6M | ||
| Q2 24 | $-642.0K | $-32.3M | ||
| Q1 24 | $-8.3M | $-141.4M |
| Q4 25 | 67.2% | 91.6% | ||
| Q3 25 | 64.2% | 89.3% | ||
| Q2 25 | 64.0% | 88.6% | ||
| Q1 25 | — | 88.8% | ||
| Q4 24 | 70.2% | 90.9% | ||
| Q3 24 | 65.1% | 88.5% | ||
| Q2 24 | 64.6% | 89.9% | ||
| Q1 24 | 59.0% | 89.2% |
| Q4 25 | 46.8% | -82.2% | ||
| Q3 25 | 11.4% | -102.6% | ||
| Q2 25 | 5.3% | -93.4% | ||
| Q1 25 | — | -143.7% | ||
| Q4 24 | 38.2% | -98.6% | ||
| Q3 24 | 18.3% | -132.0% | ||
| Q2 24 | -7.4% | -139.2% | ||
| Q1 24 | -90.4% | -538.7% |
| Q4 25 | 40.2% | -83.0% | ||
| Q3 25 | 12.1% | -103.1% | ||
| Q2 25 | 7.3% | -96.1% | ||
| Q1 25 | — | -151.4% | ||
| Q4 24 | 35.0% | -103.6% | ||
| Q3 24 | 22.0% | -131.2% | ||
| Q2 24 | -2.4% | -110.9% | ||
| Q1 24 | -68.3% | -544.4% |
| Q4 25 | $0.49 | $-0.73 | ||
| Q3 25 | $0.07 | $-0.82 | ||
| Q2 25 | $0.04 | $-0.75 | ||
| Q1 25 | — | $-0.81 | ||
| Q4 24 | $0.40 | $-0.71 | ||
| Q3 24 | $0.15 | $-0.73 | ||
| Q2 24 | $-0.01 | $-0.55 | ||
| Q1 24 | $-0.14 | $-2.35 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $75.2M | $388.9M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $206.2M | $139.1M |
| Total Assets | $231.5M | $480.2M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $75.2M | $388.9M | ||
| Q3 25 | $70.4M | $416.1M | ||
| Q2 25 | $79.5M | $291.0M | ||
| Q1 25 | — | $314.5M | ||
| Q4 24 | $78.0M | $320.6M | ||
| Q3 24 | $118.6M | $298.4M | ||
| Q2 24 | $101.0M | $319.1M | ||
| Q1 24 | $117.4M | $201.2M |
| Q4 25 | $206.2M | $139.1M | ||
| Q3 25 | $180.8M | $148.8M | ||
| Q2 25 | $185.2M | $-11.9M | ||
| Q1 25 | — | $18.9M | ||
| Q4 24 | $210.0M | $21.7M | ||
| Q3 24 | $233.9M | $11.2M | ||
| Q2 24 | $218.5M | $39.3M | ||
| Q1 24 | $216.0M | $61.6M |
| Q4 25 | $231.5M | $480.2M | ||
| Q3 25 | $209.6M | $506.9M | ||
| Q2 25 | $212.3M | $372.7M | ||
| Q1 25 | — | $386.7M | ||
| Q4 24 | $242.8M | $392.3M | ||
| Q3 24 | $262.7M | $363.6M | ||
| Q2 24 | $249.0M | $381.8M | ||
| Q1 24 | $244.3M | $258.7M |
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 | $7.1M | $-25.4M |
| Free Cash FlowOCF − Capex | $6.4M | — |
| FCF MarginFCF / Revenue | 9.6% | — |
| Capex IntensityCapex / Revenue | 1.0% | — |
| Cash ConversionOCF / Net Profit | 0.26× | — |
| TTM Free Cash FlowTrailing 4 quarters | $15.8M | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $7.1M | $-25.4M | ||
| Q3 25 | $-3.1M | $-26.6M | ||
| Q2 25 | $4.1M | $-23.3M | ||
| Q1 25 | — | $-40.4M | ||
| Q4 24 | $9.0M | $-18.8M | ||
| Q3 24 | $-3.0M | $-25.2M | ||
| Q2 24 | $8.1M | $-29.1M | ||
| Q1 24 | $6.5M | $-40.7M |
| Q4 25 | $6.4M | — | ||
| Q3 25 | $-3.5M | — | ||
| Q2 25 | $4.0M | — | ||
| Q1 25 | — | — | ||
| Q4 24 | $8.9M | — | ||
| Q3 24 | $-3.2M | — | ||
| Q2 24 | $7.9M | — | ||
| Q1 24 | $5.7M | — |
| Q4 25 | 9.6% | — | ||
| Q3 25 | -10.9% | — | ||
| Q2 25 | 14.3% | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 13.2% | — | ||
| Q3 24 | -8.2% | — | ||
| Q2 24 | 28.9% | — | ||
| Q1 24 | 46.9% | — |
| Q4 25 | 1.0% | — | ||
| Q3 25 | 1.1% | — | ||
| Q2 25 | 0.5% | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 0.2% | — | ||
| Q3 24 | 0.4% | — | ||
| Q2 24 | 0.7% | — | ||
| Q1 24 | 6.8% | — |
| Q4 25 | 0.26× | — | ||
| Q3 25 | -0.81× | — | ||
| Q2 25 | 2.02× | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 0.38× | — | ||
| Q3 24 | -0.35× | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
ERII
| Water Segment | $38.6M | 58% |
| Other | $11.0M | 16% |
| Original Equipment Manufacturer | $10.6M | 16% |
| Aftermarket | $6.6M | 10% |
RYTM
Segment breakdown not available.
