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Side-by-side financial comparison of CuriosityStream Inc. (CURI) and Spero Therapeutics, Inc. (SPRO). Click either name above to swap in a different company.
CuriosityStream Inc. is the larger business by last-quarter revenue ($19.2M vs $12.6M, roughly 1.5× Spero Therapeutics, Inc.). Spero Therapeutics, Inc. runs the higher net margin — 250.7% vs -19.7%, a 270.4% gap on every dollar of revenue. On growth, Spero Therapeutics, Inc. posted the faster year-over-year revenue change (24080.8% vs 35.8%). Over the past eight quarters, Spero Therapeutics, Inc.'s revenue compounded faster (847.7% CAGR vs 26.5%).
Curiosity Stream Inc., formerly branded as CuriosityStream, is an American media company and over-the-top subscription video streaming service which offers documentary programming including films, series, and TV shows. The company offers a video on demand subscription service branded as "Curiosity Stream" and a linear broadcast television channel known as the Curiosity Channel through various services including FuboTV and The Roku Channel.
CURI vs SPRO — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $19.2M | $12.6M |
| Net Profit | $-3.8M | $31.5M |
| Gross Margin | — | — |
| Operating Margin | -17.6% | — |
| Net Margin | -19.7% | 250.7% |
| Revenue YoY | 35.8% | 24080.8% |
| Net Profit YoY | -34.6% | 250.9% |
| EPS (diluted) | $-0.07 | $0.56 |
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 | $19.2M | $12.6M | ||
| Q3 25 | $18.4M | $0 | ||
| Q2 25 | $19.0M | $0 | ||
| Q1 25 | $15.1M | $12.0K | ||
| Q4 24 | $14.1M | $52.0K | ||
| Q3 24 | $12.6M | $65.0K | ||
| Q2 24 | $12.4M | $114.0K | ||
| Q1 24 | $12.0M | $140.0K |
| Q4 25 | $-3.8M | $31.5M | ||
| Q3 25 | $-3.7M | $-7.4M | ||
| Q2 25 | $784.0K | $-1.7M | ||
| Q1 25 | $319.0K | $-13.9M | ||
| Q4 24 | $-2.8M | — | ||
| Q3 24 | $-3.1M | $-17.1M | ||
| Q2 24 | $-2.0M | $-17.9M | ||
| Q1 24 | $-5.0M | $-12.7M |
| Q4 25 | -17.6% | — | ||
| Q3 25 | -24.5% | — | ||
| Q2 25 | 2.5% | — | ||
| Q1 25 | 0.5% | -122758.3% | ||
| Q4 24 | -27.4% | — | ||
| Q3 24 | -25.8% | -28604.6% | ||
| Q2 24 | -20.6% | -16720.2% | ||
| Q1 24 | -30.4% | -9987.1% |
| Q4 25 | -19.7% | 250.7% | ||
| Q3 25 | -20.4% | — | ||
| Q2 25 | 4.1% | — | ||
| Q1 25 | 2.1% | -115550.0% | ||
| Q4 24 | -19.9% | — | ||
| Q3 24 | -24.3% | -26380.0% | ||
| Q2 24 | -16.4% | -15668.4% | ||
| Q1 24 | -42.0% | -9049.3% |
| Q4 25 | $-0.07 | $0.56 | ||
| Q3 25 | $-0.06 | $-0.13 | ||
| Q2 25 | $0.01 | $-0.03 | ||
| Q1 25 | $0.01 | $-0.25 | ||
| Q4 24 | $-0.05 | — | ||
| Q3 24 | $-0.06 | $-0.32 | ||
| Q2 24 | $-0.04 | $-0.33 | ||
| Q1 24 | $-0.09 | $-0.24 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $27.3M | $40.3M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $41.5M | $59.0M |
| Total Assets | $75.7M | $68.9M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $27.3M | $40.3M | ||
| Q3 25 | $27.8M | $48.6M | ||
| Q2 25 | $28.1M | $31.2M | ||
| Q1 25 | $33.4M | $48.9M | ||
| Q4 24 | $32.1M | $52.9M | ||
| Q3 24 | $33.2M | $76.3M | ||
| Q2 24 | $39.5M | $63.5M | ||
| Q1 24 | $38.8M | $82.3M |
| Q4 25 | $41.5M | $59.0M | ||
| Q3 25 | $47.2M | $26.5M | ||
| Q2 25 | $49.8M | $32.8M | ||
| Q1 25 | $58.1M | $33.8M | ||
| Q4 24 | $57.8M | $46.1M | ||
| Q3 24 | $62.2M | $65.5M | ||
| Q2 24 | $64.8M | $80.5M | ||
| Q1 24 | $67.0M | $96.2M |
| Q4 25 | $75.7M | $68.9M | ||
| Q3 25 | $74.7M | $54.2M | ||
| Q2 25 | $78.7M | $62.1M | ||
| Q1 25 | $85.3M | $77.7M | ||
| Q4 24 | $86.2M | $110.5M | ||
| Q3 24 | $87.6M | $135.2M | ||
| Q2 24 | $90.9M | $149.9M | ||
| Q1 24 | $94.6M | $167.7M |
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 | $4.0M | $-8.4M |
| Free Cash FlowOCF − Capex | $3.9M | — |
| FCF MarginFCF / Revenue | 20.5% | — |
| Capex IntensityCapex / Revenue | 0.1% | — |
| Cash ConversionOCF / Net Profit | — | -0.26× |
| TTM Free Cash FlowTrailing 4 quarters | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $4.0M | $-8.4M | ||
| Q3 25 | $4.4M | $17.4M | ||
| Q2 25 | $2.8M | $-17.7M | ||
| Q1 25 | $1.9M | $-4.0M | ||
| Q4 24 | $3.0M | $-23.4M | ||
| Q3 24 | $2.3M | $12.8M | ||
| Q2 24 | $2.2M | $-18.7M | ||
| Q1 24 | $666.0K | $5.9M |
| Q4 25 | $3.9M | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | $1.8M | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | 20.5% | — | ||
| Q3 25 | — | — | ||
| Q2 25 | — | — | ||
| Q1 25 | 12.2% | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
| Q4 25 | 0.1% | — | ||
| Q3 25 | 0.0% | — | ||
| Q2 25 | 0.0% | — | ||
| Q1 25 | 0.5% | — | ||
| Q4 24 | 0.0% | — | ||
| Q3 24 | 0.0% | — | ||
| Q2 24 | 0.0% | — | ||
| Q1 24 | 0.0% | — |
| Q4 25 | — | -0.26× | ||
| Q3 25 | — | — | ||
| Q2 25 | 3.56× | — | ||
| Q1 25 | 6.03× | — | ||
| Q4 24 | — | — | ||
| Q3 24 | — | — | ||
| Q2 24 | — | — | ||
| Q1 24 | — | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
