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Side-by-side financial comparison of Fastly, Inc. (FSLY) and Rubrik, Inc. (RBRK). Click either name above to swap in a different company.
Rubrik, Inc. is the larger business by last-quarter revenue ($350.2M vs $172.6M, roughly 2.0× Fastly, Inc.). Fastly, Inc. runs the higher net margin — -9.0% vs -18.2%, a 9.2% gap on every dollar of revenue. On growth, Rubrik, Inc. posted the faster year-over-year revenue change (48.3% vs 22.8%). Rubrik, Inc. produced more free cash flow last quarter ($80.7M vs $12.2M).
Fastly, Inc. is an American company based in San Francisco, which describes itself as a cloud computing company. Fastly provides content delivery network services, image optimization, and load balancing services. Fastly's cloud security services include denial-of-service attack protection, bot mitigation, and a web application firewall.
Rubrik, Inc. is an American cloud data management and data security company based in Palo Alto, California, founded in January 2014. The company is listed on the New York Stock Exchange after going public in April 2024.
FSLY vs RBRK — Head-to-Head
Income Statement — Q4 FY2025 vs Q3 FY2026
| Metric | | |
|---|---|---|
| Revenue | $172.6M | $350.2M |
| Net Profit | $-15.5M | $-63.8M |
| Gross Margin | 61.4% | 80.5% |
| Operating Margin | -8.7% | -21.6% |
| Net Margin | -9.0% | -18.2% |
| Revenue YoY | 22.8% | 48.3% |
| Net Profit YoY | 52.9% | 51.2% |
| EPS (diluted) | $-0.10 | $-0.32 |
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 | $172.6M | $350.2M | ||
| Q3 25 | $158.2M | $309.9M | ||
| Q2 25 | $148.7M | $278.5M | ||
| Q1 25 | $144.5M | $258.1M | ||
| Q4 24 | $140.6M | $236.2M | ||
| Q3 24 | $137.2M | $205.0M | ||
| Q2 24 | $132.4M | $187.3M | ||
| Q1 24 | $133.5M | — |
| Q4 25 | $-15.5M | $-63.8M | ||
| Q3 25 | $-29.5M | $-95.9M | ||
| Q2 25 | $-37.5M | $-102.1M | ||
| Q1 25 | $-39.1M | $-114.9M | ||
| Q4 24 | $-32.9M | $-130.9M | ||
| Q3 24 | $-38.0M | $-176.9M | ||
| Q2 24 | $-43.7M | $-732.1M | ||
| Q1 24 | $-43.4M | — |
| Q4 25 | 61.4% | 80.5% | ||
| Q3 25 | 58.4% | 79.5% | ||
| Q2 25 | 54.5% | 78.3% | ||
| Q1 25 | 53.2% | 77.4% | ||
| Q4 24 | 53.4% | 76.2% | ||
| Q3 24 | 54.5% | 73.1% | ||
| Q2 24 | 55.1% | 48.8% | ||
| Q1 24 | 54.8% | — |
| Q4 25 | -8.7% | -21.6% | ||
| Q3 25 | -18.2% | -30.5% | ||
| Q2 25 | -24.8% | -33.4% | ||
| Q1 25 | -26.4% | -45.0% | ||
| Q4 24 | -24.4% | -52.8% | ||
| Q3 24 | -29.6% | -82.1% | ||
| Q2 24 | -35.3% | -387.0% | ||
| Q1 24 | -34.6% | — |
| Q4 25 | -9.0% | -18.2% | ||
| Q3 25 | -18.6% | -31.0% | ||
| Q2 25 | -25.2% | -36.7% | ||
| Q1 25 | -27.1% | -44.5% | ||
| Q4 24 | -23.4% | -55.4% | ||
| Q3 24 | -27.7% | -86.3% | ||
| Q2 24 | -33.0% | -390.8% | ||
| Q1 24 | -32.5% | — |
| Q4 25 | $-0.10 | $-0.32 | ||
| Q3 25 | $-0.20 | $-0.49 | ||
| Q2 25 | $-0.26 | $-0.53 | ||
| Q1 25 | $-0.27 | $5.69 | ||
| Q4 24 | $-0.23 | $-0.71 | ||
| Q3 24 | $-0.27 | $-0.98 | ||
| Q2 24 | $-0.32 | $-11.48 | ||
| Q1 24 | $-0.32 | — |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest quarter.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $361.8M | $307.1M |
| Total DebtLower is stronger | — | — |
| Stockholders' EquityBook value | $929.6M | $-524.4M |
| Total Assets | $1.5B | $2.5B |
| Debt / EquityLower = less leverage | — | — |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $361.8M | $307.1M | ||
| Q3 25 | $342.9M | $322.7M | ||
| Q2 25 | $321.2M | $284.0M | ||
| Q1 25 | $307.3M | $186.3M | ||
| Q4 24 | $295.9M | $103.9M | ||
| Q3 24 | $308.2M | $142.3M | ||
| Q2 24 | $311.8M | $502.6M | ||
| Q1 24 | $329.5M | — |
| Q4 25 | $929.6M | $-524.4M | ||
| Q3 25 | $937.0M | $-564.3M | ||
| Q2 25 | $942.6M | $-556.5M | ||
| Q1 25 | $957.0M | $-553.7M | ||
| Q4 24 | $965.3M | $-521.1M | ||
| Q3 24 | $969.5M | $-499.3M | ||
| Q2 24 | $981.2M | $-514.6M | ||
| Q1 24 | $991.8M | — |
| Q4 25 | $1.5B | $2.5B | ||
| Q3 25 | $1.5B | $2.4B | ||
| Q2 25 | $1.5B | $1.5B | ||
| Q1 25 | $1.4B | $1.4B | ||
| Q4 24 | $1.5B | $1.3B | ||
| Q3 24 | $1.5B | $1.2B | ||
| Q2 24 | $1.5B | $1.2B | ||
| Q1 24 | $1.5B | — |
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 | $22.4M | $85.5M |
| Free Cash FlowOCF − Capex | $12.2M | $80.7M |
| FCF MarginFCF / Revenue | 7.1% | 23.1% |
| Capex IntensityCapex / Revenue | 5.9% | 1.4% |
| Cash ConversionOCF / Net Profit | — | — |
| TTM Free Cash FlowTrailing 4 quarters | $65.8M | $256.8M |
8-quarter trend — quarters aligned by calendar period.
| Q4 25 | $22.4M | $85.5M | ||
| Q3 25 | $28.9M | $64.7M | ||
| Q2 25 | $25.8M | $39.7M | ||
| Q1 25 | $17.3M | $83.6M | ||
| Q4 24 | $5.2M | $23.1M | ||
| Q3 24 | $5.0M | $-27.1M | ||
| Q2 24 | $-4.9M | $-31.4M | ||
| Q1 24 | $11.1M | — |
| Q4 25 | $12.2M | $80.7M | ||
| Q3 25 | $22.9M | $61.2M | ||
| Q2 25 | $15.9M | $36.8M | ||
| Q1 25 | $14.7M | $78.0M | ||
| Q4 24 | $251.0K | $18.0M | ||
| Q3 24 | $3.0M | $-29.7M | ||
| Q2 24 | $-6.7M | $-35.0M | ||
| Q1 24 | $9.5M | — |
| Q4 25 | 7.1% | 23.1% | ||
| Q3 25 | 14.5% | 19.8% | ||
| Q2 25 | 10.7% | 13.2% | ||
| Q1 25 | 10.2% | 30.2% | ||
| Q4 24 | 0.2% | 7.6% | ||
| Q3 24 | 2.2% | -14.5% | ||
| Q2 24 | -5.1% | -18.7% | ||
| Q1 24 | 7.1% | — |
| Q4 25 | 5.9% | 1.4% | ||
| Q3 25 | 3.8% | 1.1% | ||
| Q2 25 | 6.6% | 1.0% | ||
| Q1 25 | 1.8% | 2.2% | ||
| Q4 24 | 3.5% | 2.1% | ||
| Q3 24 | 1.5% | 1.3% | ||
| Q2 24 | 1.3% | 1.9% | ||
| Q1 24 | 1.2% | — |
Financial Flow Comparison
Revenue → gross profit → operating profit → net profit for each company.
Revenue Breakdown by Segment
FSLY
| Network Services | $130.8M | 76% |
| Security | $35.4M | 21% |
| Other | $6.4M | 4% |
RBRK
| Subscription And Circulation | $336.4M | 96% |
| Other | $12.3M | 4% |
| Software And Services | $4.9M | 1% |
| Maintenance | $1.5M | 0% |
