RBRK vs TENB vs RPD vs VRNS vs CYBR

For growth investors, Rubrik, Inc.

(RBRK) is the stronger pick with 48. 5% revenue growth year-over-year, versus 1. 9% for Rapid7, Inc. (RPD). Rapid7, Inc. (RPD) offers the better valuation at 19. 2x trailing P/E (4. 4x forward), making it the more compelling value choice. Analysts rate Rubrik, Inc. (RBRK) a "Buy" — based on 17 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On forward P/E, Rapid7, Inc.

is actually cheaper at 4. 4x.

Over the past 5 years, CyberArk Software Ltd.

(CYBR) delivered a total return of +241. 4%, compared to -91. 0% for Rapid7, Inc. (RPD). Over 10 years, the gap is even starker: CYBR returned +901. 8% versus RPD's -42. 0%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), Rapid7, Inc.

(RPD) is the lower-risk stock at 0. 90β versus Rubrik, Inc. 's 1. 63β — meaning RBRK is approximately 80% more volatile than RPD relative to the S&P 500. On balance sheet safety, CyberArk Software Ltd. (CYBR) carries a lower debt/equity ratio of 51% versus 7% for Rapid7, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), Rubrik, Inc.

(RBRK) is pulling ahead at 48. 5% versus 1. 9% for Rapid7, Inc. (RPD). On earnings-per-share growth, the picture is similar: Rubrik, Inc. grew EPS 76. 2% year-over-year, compared to -38. 2% for CyberArk Software Ltd.. Over a 3-year CAGR, CYBR leads at 32. 0% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

Rapid7, Inc.

(RPD) is the more profitable company, earning 2. 7% net margin versus -26. 5% for Rubrik, Inc. — meaning it keeps 2. 7% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: RPD leads at 1. 3% versus -26. 2% for RBRK. At the gross margin level — before operating expenses — RBRK leads at 80. 1%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

On forward earnings alone, Rapid7, Inc.

(RPD) trades at 4. 4x forward P/E versus 360. 6x for Rubrik, Inc. — 356. 1x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for RBRK: 39. 2% to $86. 80.

None of the stocks in this comparison currently pay a material dividend.

All are effectively zero-yield and should be held for capital appreciation rather than income.

For long-horizon retirement investors, CyberArk Software Ltd.

(CYBR) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 93), +901. 8% 10Y return). Rubrik, Inc. (RBRK) carries a higher beta of 1. 63 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (CYBR: +901. 8%, RBRK: +68. 5%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both.

In terms of investment character: RBRK is a mid-cap high-growth stock; TENB is a small-cap quality compounder stock; RPD is a small-cap quality compounder stock; VRNS is a small-cap quality compounder stock; CYBR is a mid-cap high-growth stock. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.