FFIV vs RBRK: F5 Networks and Rubrik compared
The short version
From the latest prices and each company's SEC filings. Who's ahead on each measure, not which to buy.
- Rubrik is the larger company, worth $28.1B, close to F5 Networks's $27.5B.
- Rubrik grew revenue faster over the last year (+37.9% vs +10.8%).
- F5 Networks keeps more of each dollar of revenue as operating profit (24.5% vs -18.3%).
- Rubrik's price assumes faster free cash flow growth: about 29% a year, against 10% for F5 Networks (reverse DCF).
Side by side
The stronger figure is shaded where higher (or, for valuation multiples, lower) reads as better. How the implied growth works.
| Measure | FFIV | RBRK |
|---|---|---|
| Market cap | $27.5B | $28.1B |
| Share price | $479.83 | $125.14 |
| Revenue (last fiscal year) | $3.1B | $1.3B |
| Free cash flow (last fiscal year) | $906M | $238M |
| Revenue growth, last year | +10.8% | +37.9% |
| Revenue growth per year, last 5 fiscal years | +4.4% | +29.9% |
| Operating margin | 24.5% | -18.3% |
| Net margin | 21.9% | -16.5% |
| Return on equity | 18.8% | — |
| P/E (trailing) | 39.9x | — |
| Price / free cash flow | 30.3x | 111.1x |
| EV / EBITDA | 27.1x | — |
| FCF growth the price implies | 10.4% | 28.7% |
| Dividend yield | — | — |
| Debt / equity | 0.77x | — |
| Fundamental grade | C | D |
| Superinvestors holding it | 6 | 4 |
| Insider purchases, last 12 months | 2 | 1 |
Results from SEC filings
Revenue and free cash flow by fiscal year, from each company's 10-K filings.
F5 Networks
| Year | Revenue | Free cash flow | Op. margin |
|---|---|---|---|
| 2021 | $2.6B | $615M | 15.1% |
| 2022 | $2.7B | $409M | 15.0% |
| 2023 | $2.8B | $599M | 16.8% |
| 2024 | $2.8B | $762M | 23.4% |
| 2025 | $3.1B | $906M | 24.8% |
Rubrik
| Year | Revenue | Free cash flow | Op. margin |
|---|---|---|---|
| 2023 | $600M | -$15M | -43.6% |
| 2024 | $628M | -$25M | -48.8% |
| 2025 | $887M | $22M | -127.9% |
| 2026 | $1.3B | $238M | -26.2% |
Where the revenue comes from
F5 Networks · by products, 2025
Service$1.6B51%
Product$1.5B49%
Rubrik · by products, 2026
Subscription$1.3B96%
Other$52M4%
Compare them in fullFifteen years of statements, quarterly results, DCF and IRR models, and any number of peers side by side.
Open FFIV in InvestinglyQuestions
Which is bigger, F5 Networks or Rubrik?
Rubrik (RBRK), at $28.1B against $27.5B.
Which grows faster, FFIV or RBRK?
Rubrik: revenue grew +37.9% over the last year, against +10.8%.
More comparisons
Prices and ratios as of the last daily update; statements from SEC filings. Information only, not investment advice.