Rubrik (RBRK) is back in focus after RSA Conference 2026, where it launched its Semantic AI Governance Engine (SAGE) and deepened integration with Microsoft Defender to tighten identity threat response and recovery.

Despite the product announcements and new Microsoft Defender integration at RSA, Rubrik’s share price return has been weak. The 30 day share price return is 12.33%, and the year to date share price return shows a 39.41% decline, pointing to fading momentum. The 1 year total shareholder return shows a 28.17% decline, indicating that longer term holders are also under pressure.

If you are weighing Rubrik’s AI security story against other opportunities in the sector, it can help to see what else is out there through 66 profitable AI stocks that aren't just burning cash

With Rubrik trading at a 35% intrinsic discount and about 10% below the average analyst target, yet still loss making, investors may need to consider whether this weakness represents a potential opportunity or whether the market already anticipates stronger growth.

Most Popular Narrative: 47.3% Undervalued

Rubrik's most followed valuation narrative places fair value at $86.71 versus the last close of $45.73, which sets up a wide gap between current pricing and what that narrative implies.

The company's pivotal role at the intersection of data security and AI, especially through products like Annapurna, can expand their total addressable market (TAM), potentially driving future revenue growth and enhancing their market position in this expanding field.
Strategic partnerships, such as with Microsoft, support Rubrik's offerings in Azure and M365 environments, which can foster growth in the adoption of their data security solutions, positively impacting revenue and customer expansion opportunities.

Want to see what is baked into that gap between price and fair value? The narrative leans on compounding revenue growth, richer margins and a premium earnings multiple to make the numbers work.

Result: Fair Value of $86.71 (UNDERVALUED)

However, that upside story can quickly crack if cyber resilience spending tightens or competitors pressure Rubrik’s margins and slow the revenue and earnings trajectory analysts are assuming.

Another Take: Valuation Tension From P/S

The narrative flags Rubrik as trading at a 34.6% discount to fair value, yet the market is charging around 7x P/S versus about 3.3x for the US Software industry and 4.4x for peers. That richer sales multiple means any stumble in the story could bite harder than you expect.

To see how the numbers line up against that richer P/S starting point, it is worth checking the valuation breakdown in more detail. This includes how the fair ratio compares to where the market could move, through See what the numbers say about this price — find out in our valuation breakdown.

Next Steps

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.