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Side-by-side financial comparison of Amprius Technologies, Inc. (AMPX) and Rumble Inc. (RUM). Click either name above to swap in a different company.
Rumble Inc. is the larger business by last-quarter revenue ($27.1M vs $25.2M, roughly 1.1× Amprius Technologies, Inc.). Amprius Technologies, Inc. runs the higher net margin — -96.7% vs -120.8%, a 24.1% gap on every dollar of revenue. On growth, Amprius Technologies, Inc. posted the faster year-over-year revenue change (137.4% vs -10.5%). Amprius Technologies, Inc. produced more free cash flow last quarter ($-5.9M vs $-31.7M). Over the past eight quarters, Amprius Technologies, Inc.'s revenue compounded faster (228.7% CAGR vs 15.2%).
Amprius Technologies, Inc. develops and manufactures high-energy density lithium-ion batteries using proprietary silicon anode technology. It serves aerospace, defense, electric mobility, and portable electronics segments, offering products with longer runtime and faster charging than conventional alternatives.
Rumble is a Canadian-American online video platform, web hosting, and cloud services business headquartered in Toronto, Canada, with its U.S. headquarters in Longboat Key, Florida. It was founded in 2013 by Chris Pavlovski, a Canadian technology entrepreneur. Rumble's cloud services business hosts Truth Social, and the video platform is popular among American conservative and far-right users. Rumble has been described as "alt-tech".
AMPX vs RUM — Head-to-Head
Income Statement — Q4 FY2025 vs Q4 FY2025
| Metric | | |
|---|---|---|
| Revenue | $25.2M | $27.1M |
| Net Profit | $-24.4M | $-32.7M |
| Gross Margin | 23.6% | 5.5% |
| Operating Margin | -100.9% | -131.1% |
| Net Margin | -96.7% | -120.8% |
| Revenue YoY | 137.4% | -10.5% |
| Net Profit YoY | -113.6% | 86.2% |
| EPS (diluted) | $-0.19 | $-0.13 |
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 | $25.2M | $27.1M | ||
| Q3 25 | $21.4M | $24.8M | ||
| Q2 25 | $15.1M | — | ||
| Q1 25 | $11.3M | $23.7M | ||
| Q4 24 | $10.6M | $30.2M | ||
| Q3 24 | $7.9M | $25.1M | ||
| Q2 24 | $3.3M | $22.5M | ||
| Q1 24 | $2.3M | $17.7M |
| Q4 25 | $-24.4M | $-32.7M | ||
| Q3 25 | $-3.9M | $-16.3M | ||
| Q2 25 | $-6.4M | — | ||
| Q1 25 | $-9.4M | $-2.7M | ||
| Q4 24 | $-11.4M | $-236.8M | ||
| Q3 24 | $-10.8M | $-31.5M | ||
| Q2 24 | $-12.5M | $-26.8M | ||
| Q1 24 | $-9.9M | $-43.3M |
| Q4 25 | 23.6% | 5.5% | ||
| Q3 25 | 15.5% | -1.8% | ||
| Q2 25 | 8.9% | — | ||
| Q1 25 | -20.9% | -26.7% | ||
| Q4 24 | -21.2% | -14.2% | ||
| Q3 24 | -64.9% | -45.4% | ||
| Q2 24 | -195.2% | -58.8% | ||
| Q1 24 | — | -79.5% |
| Q4 25 | -100.9% | -131.1% | ||
| Q3 25 | -21.9% | -113.6% | ||
| Q2 25 | -45.2% | — | ||
| Q1 25 | -85.7% | -153.5% | ||
| Q4 24 | -110.6% | -80.1% | ||
| Q3 24 | -143.3% | -131.0% | ||
| Q2 24 | -386.6% | -172.7% | ||
| Q1 24 | -441.7% | -197.4% |
| Q4 25 | -96.7% | -120.8% | ||
| Q3 25 | -18.2% | -65.7% | ||
| Q2 25 | -42.3% | — | ||
| Q1 25 | -83.0% | -11.2% | ||
| Q4 24 | -107.4% | -783.2% | ||
| Q3 24 | -138.1% | -125.9% | ||
| Q2 24 | -374.2% | -119.2% | ||
| Q1 24 | -423.2% | -244.1% |
| Q4 25 | $-0.19 | $-0.13 | ||
| Q3 25 | $-0.03 | $-0.06 | ||
| Q2 25 | $-0.05 | — | ||
| Q1 25 | $-0.08 | $-0.01 | ||
| Q4 24 | $-0.11 | $-1.17 | ||
| Q3 24 | $-0.10 | $-0.15 | ||
| Q2 24 | $-0.13 | $-0.13 | ||
| Q1 24 | $-0.11 | $-0.21 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $90.5M | $237.9M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $103.8M | $274.8M |
| Total Assets | $156.9M | $336.8M |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $90.5M | $237.9M | ||
| Q3 25 | $73.2M | $269.8M | ||
| Q2 25 | $54.2M | — | ||
| Q1 25 | $48.4M | $301.3M | ||
| Q4 24 | $55.2M | $114.0M | ||
| Q3 24 | $35.0M | $132.0M | ||
| Q2 24 | $46.4M | $154.2M | ||
| Q1 24 | $39.0M | $183.8M |
| Q4 25 | $103.8M | $274.8M | ||
| Q3 25 | $103.2M | $302.2M | ||
| Q2 25 | $76.7M | — | ||
| Q1 25 | $70.4M | $339.6M | ||
| Q4 24 | $69.5M | $-63.1M | ||
| Q3 24 | $56.0M | $166.1M | ||
| Q2 24 | $65.1M | $192.7M | ||
| Q1 24 | $59.9M | $210.7M |
| Q4 25 | $156.9M | $336.8M | ||
| Q3 25 | $156.5M | $367.2M | ||
| Q2 25 | $123.0M | — | ||
| Q1 25 | $118.5M | $391.1M | ||
| Q4 24 | $121.1M | $195.3M | ||
| Q3 24 | $104.2M | $217.2M | ||
| Q2 24 | $112.8M | $243.2M | ||
| Q1 24 | $104.7M | $263.0M |
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 | $-3.5M | $-29.4M |
| Free Cash FlowOCF − Capex | $-5.9M | $-31.7M |
| FCF MarginFCF / Revenue | -23.2% | -117.2% |
| Capex IntensityCapex / Revenue | 9.3% | 8.5% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $-35.5M | $-70.8M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $-3.5M | $-29.4M | ||
| Q3 25 | $-9.2M | $-10.6M | ||
| Q2 25 | $-4.3M | — | ||
| Q1 25 | $-14.1M | $-14.5M | ||
| Q4 24 | $-6.1M | $-12.4M | ||
| Q3 24 | $-9.5M | $-19.1M | ||
| Q2 24 | $-8.0M | $-21.7M | ||
| Q1 24 | $-9.8M | $-33.9M |
| Q4 25 | $-5.9M | $-31.7M | ||
| Q3 25 | $-9.7M | $-12.0M | ||
| Q2 25 | $-5.0M | — | ||
| Q1 25 | $-15.0M | $-14.6M | ||
| Q4 24 | $-9.7M | $-12.4M | ||
| Q3 24 | $-10.9M | $-19.9M | ||
| Q2 24 | $-9.6M | $-23.1M | ||
| Q1 24 | $-13.7M | $-34.3M |
| Q4 25 | -23.2% | -117.2% | ||
| Q3 25 | -45.1% | -48.6% | ||
| Q2 25 | -33.1% | — | ||
| Q1 25 | -133.3% | -61.7% | ||
| Q4 24 | -91.4% | -40.9% | ||
| Q3 24 | -138.3% | -79.5% | ||
| Q2 24 | -285.9% | -102.8% | ||
| Q1 24 | -585.4% | -193.3% |
| Q4 25 | 9.3% | 8.5% | ||
| Q3 25 | 1.9% | 5.7% | ||
| Q2 25 | 4.8% | — | ||
| Q1 25 | 8.1% | 0.6% | ||
| Q4 24 | 34.1% | 0.1% | ||
| Q3 24 | 17.0% | 3.4% | ||
| Q2 24 | 48.0% | 6.1% | ||
| Q1 24 | 166.8% | 2.4% |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
AMPX
Segment breakdown not available.
RUM
| Audience Monetization | $23.8M | 88% |
| Other Initiatives | $3.3M | 12% |
