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Side-by-side financial comparison of Pulmonx Corp (LUNG) and Research Solutions, Inc. (RSSS). Click either name above to swap in a different company.
Pulmonx Corp is the larger business by last-quarter revenue ($20.6M vs $11.8M, roughly 1.7× Research Solutions, Inc.). Research Solutions, Inc. runs the higher net margin — 4.6% vs -66.3%, a 71.0% gap on every dollar of revenue. On growth, Research Solutions, Inc. posted the faster year-over-year revenue change (-1.0% vs -8.7%). Over the past eight quarters, Pulmonx Corp's revenue compounded faster (-0.5% CAGR vs -1.3%).
Pulmonx Corp is a global medical tech firm focused on interventional pulmonology solutions. It develops minimally invasive endobronchial valves to treat severe COPD and emphysema, with products sold across North America, Europe, and Asia-Pacific for patients with advanced lung conditions.
Jacobs Solutions Inc. is an American international technical professional services firm based in Dallas. The company provides engineering, technical, professional, and construction services as well as scientific and specialty consulting for a broad range of clients globally, including companies, organizations, and government agencies. Jacobs has consistently ranked No. 1 on both Engineering News-Record (ENR)'s 2018, 2019, 2020, 2021, 2022, and 2023 Top 500 Design Firms and Trenchless Technolo...
LUNG vs RSSS — Head-to-Head
Income Statement — Q1 FY2026 vs Q2 FY2026
| Metric | | |
|---|---|---|
| Revenue | $20.6M | $11.8M |
| Net Profit | $-13.7M | $546.9K |
| Gross Margin | 77.9% | 52.4% |
| Operating Margin | -40.9% | 6.3% |
| Net Margin | -66.3% | 4.6% |
| Revenue YoY | -8.7% | -1.0% |
| Net Profit YoY | 5.5% | 127.6% |
| EPS (diluted) | $-0.33 | $0.02 |
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 | $20.6M | — | ||
| Q4 25 | $22.6M | $11.8M | ||
| Q3 25 | $21.5M | $12.3M | ||
| Q2 25 | $23.9M | $12.4M | ||
| Q1 25 | $22.5M | $12.7M | ||
| Q4 24 | $23.8M | $11.9M | ||
| Q3 24 | $20.4M | $12.0M | ||
| Q2 24 | $20.8M | $12.1M |
| Q1 26 | $-13.7M | — | ||
| Q4 25 | $-10.4M | $546.9K | ||
| Q3 25 | $-14.0M | $749.4K | ||
| Q2 25 | $-15.2M | $2.4M | ||
| Q1 25 | $-14.4M | $216.5K | ||
| Q4 24 | $-13.2M | $-2.0M | ||
| Q3 24 | $-14.1M | $669.0K | ||
| Q2 24 | $-15.3M | $-2.8M |
| Q1 26 | 77.9% | — | ||
| Q4 25 | 77.6% | 52.4% | ||
| Q3 25 | 74.7% | 50.6% | ||
| Q2 25 | 72.1% | 51.0% | ||
| Q1 25 | 72.5% | 49.5% | ||
| Q4 24 | 74.0% | 48.9% | ||
| Q3 24 | 73.7% | 47.9% | ||
| Q2 24 | 73.7% | 46.5% |
| Q1 26 | -40.9% | — | ||
| Q4 25 | -43.8% | 6.3% | ||
| Q3 25 | -66.9% | 7.8% | ||
| Q2 25 | -62.0% | 9.7% | ||
| Q1 25 | -64.6% | 4.4% | ||
| Q4 24 | -56.5% | 0.8% | ||
| Q3 24 | -69.3% | 5.4% | ||
| Q2 24 | -75.2% | 5.5% |
| Q1 26 | -66.3% | — | ||
| Q4 25 | -46.1% | 4.6% | ||
| Q3 25 | -64.9% | 6.1% | ||
| Q2 25 | -63.6% | 19.0% | ||
| Q1 25 | -64.1% | 1.7% | ||
| Q4 24 | -55.4% | -16.6% | ||
| Q3 24 | -69.4% | 5.6% | ||
| Q2 24 | -73.7% | -23.3% |
| Q1 26 | $-0.33 | — | ||
| Q4 25 | $-0.25 | $0.02 | ||
| Q3 25 | $-0.34 | $0.02 | ||
| Q2 25 | $-0.38 | $0.08 | ||
| Q1 25 | $-0.36 | $0.01 | ||
| Q4 24 | $-0.33 | $-0.07 | ||
| Q3 24 | $-0.36 | $0.02 | ||
| Q2 24 | $-0.39 | $-0.09 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $61.6M | $12.3M |
| Total DebtLower is stronger | $37.3M | — |
| Stockholders' EquityBook value | $45.8M | $17.2M |
| Total Assets | $120.0M | $44.2M |
| Debt / EquityLower = less leverage | 0.82× | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | $61.6M | — | ||
| Q4 25 | $69.8M | $12.3M | ||
| Q3 25 | $76.5M | $12.0M | ||
| Q2 25 | $75.5M | $12.2M | ||
| Q1 25 | $74.6M | $9.9M | ||
| Q4 24 | $70.9M | $7.7M | ||
| Q3 24 | $63.3M | $6.9M | ||
| Q2 24 | $63.5M | $6.1M |
| Q1 26 | $37.3M | — | ||
| Q4 25 | $37.1M | — | ||
| Q3 25 | $37.1M | — | ||
| Q2 25 | $37.1M | — | ||
| Q1 25 | $37.2M | — | ||
| Q4 24 | $37.2M | — | ||
| Q3 24 | $37.2M | — | ||
| Q2 24 | $37.2M | — |
| Q1 26 | $45.8M | — | ||
| Q4 25 | $54.1M | $17.2M | ||
| Q3 25 | $60.0M | $15.6M | ||
| Q2 25 | $69.1M | $13.9M | ||
| Q1 25 | $77.7M | $11.2M | ||
| Q4 24 | $85.8M | $11.1M | ||
| Q3 24 | $93.9M | $12.8M | ||
| Q2 24 | $101.2M | $11.7M |
| Q1 26 | $120.0M | — | ||
| Q4 25 | $129.3M | $44.2M | ||
| Q3 25 | $138.3M | $45.5M | ||
| Q2 25 | $147.2M | $46.1M | ||
| Q1 25 | $150.7M | $45.2M | ||
| Q4 24 | $162.8M | $42.8M | ||
| Q3 24 | $167.4M | $41.4M | ||
| Q2 24 | $172.6M | $41.9M |
| Q1 26 | 0.82× | — | ||
| Q4 25 | 0.69× | — | ||
| Q3 25 | 0.62× | — | ||
| Q2 25 | 0.54× | — | ||
| Q1 25 | 0.48× | — | ||
| Q4 24 | 0.43× | — | ||
| Q3 24 | 0.40× | — | ||
| Q2 24 | 0.37× | — |
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 | — | $1.4M |
| Free Cash FlowOCF − Capex | — | $1.4M |
| FCF MarginFCF / Revenue | — | 11.7% |
| Capex IntensityCapex / Revenue | — | 0.1% |
| Cash ConversionOCF / Net Profit | — | 2.53× |
| TTM Free Cash FlowTrailing 4 quarters | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q1 26 | — | — | ||
| Q4 25 | $-7.1M | $1.4M | ||
| Q3 25 | $-8.2M | $1.1M | ||
| Q2 25 | $-3.9M | $2.3M | ||
| Q1 25 | $-13.2M | $2.9M | ||
| Q4 24 | $-6.7M | $1.0M | ||
| Q3 24 | $-7.2M | $843.1K | ||
| Q2 24 | $-5.8M | $2.0M |
| Q1 26 | — | — | ||
| Q4 25 | $-7.1M | $1.4M | ||
| Q3 25 | $-8.3M | $1.1M | ||
| Q2 25 | $-4.0M | — | ||
| Q1 25 | $-13.5M | $2.9M | ||
| Q4 24 | $-6.8M | — | ||
| Q3 24 | $-7.7M | — | ||
| Q2 24 | $-6.2M | $1.9M |
| Q1 26 | — | — | ||
| Q4 25 | -31.4% | 11.7% | ||
| Q3 25 | -38.4% | 8.8% | ||
| Q2 25 | -16.6% | — | ||
| Q1 25 | -60.0% | 22.8% | ||
| Q4 24 | -28.8% | — | ||
| Q3 24 | -37.6% | — | ||
| Q2 24 | -30.0% | 16.0% |
| Q1 26 | — | — | ||
| Q4 25 | 0.1% | 0.1% | ||
| Q3 25 | 0.4% | 0.1% | ||
| Q2 25 | 0.2% | — | ||
| Q1 25 | 1.3% | 0.0% | ||
| Q4 24 | 0.5% | — | ||
| Q3 24 | 2.0% | — | ||
| Q2 24 | 2.3% | 0.1% |
| Q1 26 | — | — | ||
| Q4 25 | — | 2.53× | ||
| Q3 25 | — | 1.48× | ||
| Q2 25 | — | 0.96× | ||
| Q1 25 | — | 13.36× | ||
| Q4 24 | — | — | ||
| Q3 24 | — | 1.26× | ||
| Q2 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
LUNG
Segment breakdown not available.
RSSS
| Transactions | $6.6M | 56% |
| Platforms | $5.2M | 44% |
