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Side-by-side financial comparison of HCW Biologics Inc. (HCWB) and iSpecimen Inc. (ISPC). Click either name above to swap in a different company.
iSpecimen Inc. is the larger business by last-quarter revenue ($713.1K vs $394.8K, roughly 1.8× HCW Biologics Inc.). iSpecimen Inc. runs the higher net margin — -146.9% vs -854.4%, a 707.6% gap on every dollar of revenue. On growth, HCW Biologics Inc. posted the faster year-over-year revenue change (-70.2% vs -75.1%). Over the past eight quarters, HCW Biologics Inc.'s revenue compounded faster (-45.8% CAGR vs -49.3%).
HCW Biologics Inc. is a clinical-stage biotechnology company focused on researching and developing novel immunotherapies and biological products targeting unmet medical needs in oncology, chronic inflammatory disorders, and autoimmune diseases. It primarily operates in the U.S., advancing multiple pipeline candidates through early to mid-stage clinical trials.
Specimen Products is a Chicago-based manufacturer of custom guitars, tube amplifiers, and audio horn speakers led by luthier Ian Schneller. Specimen Products also offers courses in guitar and tube amplifier design, construction, and repair through their Chicago School of Guitar Making. The Specimen workshop offers repair services to the general public, making use of their collection of parts from rare and vintage manufacturers.
HCWB vs ISPC — Head-to-Head
Income Statement — Q4 FY2024 vs Q2 FY2025
| Metric | | |
|---|---|---|
| Revenue | $394.8K | $713.1K |
| Net Profit | $-3.4M | $-1.0M |
| Gross Margin | 20.0% | 44.4% |
| Operating Margin | -795.9% | -255.4% |
| Net Margin | -854.4% | -146.9% |
| Revenue YoY | -70.2% | -75.1% |
| Net Profit YoY | 68.4% | 50.3% |
| EPS (diluted) | $-10.47 | $-0.42 |
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.
| Q2 25 | — | $713.1K | ||
| Q1 25 | — | $1.1M | ||
| Q4 24 | $394.8K | $1.5M | ||
| Q3 24 | $426.4K | $2.7M | ||
| Q2 24 | $618.9K | $2.9M | ||
| Q1 24 | $1.1M | $2.3M | ||
| Q4 23 | $1.3M | $2.6M | ||
| Q3 23 | $853.1K | $2.8M |
| Q2 25 | — | $-1.0M | ||
| Q1 25 | — | $-1.7M | ||
| Q4 24 | $-3.4M | $-6.0M | ||
| Q3 24 | $-3.9M | $-1.4M | ||
| Q2 24 | $-15.3M | $-2.1M | ||
| Q1 24 | $-7.5M | $-2.9M | ||
| Q4 23 | $-10.7M | $-3.1M | ||
| Q3 23 | $-4.9M | $-2.1M |
| Q2 25 | — | 44.4% | ||
| Q1 25 | — | 42.4% | ||
| Q4 24 | 20.0% | 13.5% | ||
| Q3 24 | 20.0% | 43.4% | ||
| Q2 24 | 29.2% | 51.9% | ||
| Q1 24 | 54.6% | 58.4% | ||
| Q4 23 | 19.1% | 44.6% | ||
| Q3 23 | 20.5% | 49.9% |
| Q2 25 | — | -255.4% | ||
| Q1 25 | — | -154.9% | ||
| Q4 24 | -795.9% | -395.8% | ||
| Q3 24 | -864.1% | -64.1% | ||
| Q2 24 | -2445.8% | -76.2% | ||
| Q1 24 | -665.1% | -131.0% | ||
| Q4 23 | -813.3% | -111.5% | ||
| Q3 23 | -595.2% | -79.0% |
| Q2 25 | — | -146.9% | ||
| Q1 25 | — | -156.8% | ||
| Q4 24 | -854.4% | -409.8% | ||
| Q3 24 | -915.1% | -54.1% | ||
| Q2 24 | -2469.1% | -73.6% | ||
| Q1 24 | -662.8% | -126.7% | ||
| Q4 23 | -806.7% | -119.3% | ||
| Q3 23 | -578.9% | -76.0% |
| Q2 25 | — | $-0.42 | ||
| Q1 25 | — | $-0.71 | ||
| Q4 24 | $-10.47 | $-5.40 | ||
| Q3 24 | $-4.13 | $-2.10 | ||
| Q2 24 | $-16.16 | $-3.72 | ||
| Q1 24 | $-0.20 | $-6.36 | ||
| Q4 23 | $-0.30 | $-19.23 | ||
| Q3 23 | $-0.14 | $-4.66 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $4.7M | — |
| Total DebtLower is stronger | $7.4M | — |
| Stockholders' EquityBook value | $-6.8M | $622.0K |
| Total Assets | $30.2M | $6.0M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | $4.7M | $1.9M | ||
| Q3 24 | $998.2K | $1.8M | ||
| Q2 24 | $1.2M | $2.2M | ||
| Q1 24 | $4.1M | $2.1M | ||
| Q4 23 | $3.6M | $2.3M | ||
| Q3 23 | $11.2M | $2.7M |
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | $7.4M | — | ||
| Q3 24 | $6.5M | — | ||
| Q2 24 | $9.9M | — | ||
| Q1 24 | $8.3M | — | ||
| Q4 23 | $6.3M | — | ||
| Q3 23 | $6.3M | — |
| Q2 25 | — | $622.0K | ||
| Q1 25 | — | $1.7M | ||
| Q4 24 | $-6.8M | $3.3M | ||
| Q3 24 | $-10.0M | $4.7M | ||
| Q2 24 | $-6.3M | $6.1M | ||
| Q1 24 | $8.7M | $6.8M | ||
| Q4 23 | $13.5M | $9.7M | ||
| Q3 23 | $23.9M | $12.7M |
| Q2 25 | — | $6.0M | ||
| Q1 25 | — | $6.8M | ||
| Q4 24 | $30.2M | $9.4M | ||
| Q3 24 | $26.6M | $11.3M | ||
| Q2 24 | $26.8M | $11.9M | ||
| Q1 24 | $30.4M | $12.5M | ||
| Q4 23 | $28.5M | $15.8M | ||
| Q3 23 | $35.6M | $16.3M |
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | 0.95× | — | ||
| Q4 23 | 0.47× | — | ||
| Q3 23 | 0.27× | — |
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 | $-2.8M | $-192.2K |
| Free Cash FlowOCF − Capex | $-2.9M | — |
| FCF MarginFCF / Revenue | -746.8% | — |
| Capex IntensityCapex / Revenue | 28.7% | — |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-14.5M | — |
8-quarter trend — quarters aligned by calendar period.
| Q2 25 | — | $-192.2K | ||
| Q1 25 | — | $-1.1M | ||
| Q4 24 | $-2.8M | $-3.6M | ||
| Q3 24 | $-2.9M | $-1.1M | ||
| Q2 24 | $-4.9M | $-1.5M | ||
| Q1 24 | $-3.6M | $-2.1M | ||
| Q4 23 | $-3.9M | $345.1K | ||
| Q3 23 | $-5.6M | $-1.6M |
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | $-2.9M | $-3.6M | ||
| Q3 24 | $-3.0M | $-1.1M | ||
| Q2 24 | $-4.9M | — | ||
| Q1 24 | $-3.7M | $-2.1M | ||
| Q4 23 | $-7.6M | — | ||
| Q3 23 | $-6.2M | $-1.6M |
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | -746.8% | -242.7% | ||
| Q3 24 | -695.0% | -41.1% | ||
| Q2 24 | -788.7% | — | ||
| Q1 24 | -331.4% | -90.9% | ||
| Q4 23 | -574.8% | — | ||
| Q3 23 | -729.0% | -59.0% |
| Q2 25 | — | — | ||
| Q1 25 | — | — | ||
| Q4 24 | 28.7% | 0.5% | ||
| Q3 24 | 8.7% | 0.5% | ||
| Q2 24 | 3.0% | 0.0% | ||
| Q1 24 | 11.5% | 0.4% | ||
| Q4 23 | 280.6% | 0.0% | ||
| Q3 23 | 73.9% | 0.2% |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
