Rubrik generated about $16 of operating cash for every $1 it spent on capex during the six months ended July 31. One notable detail from its latest report is that a fast-growing software company is already turning sales into cash.
Revenue rose 37.9% to $427.3 million from the comparable six-month period a year earlier. Operating cash flow grew faster, up 51.9% to $158.5 million, while cash reached $416.2 million. Rubrik is not funding this expansion with a large physical buildout: capex was just $9.9 million.
The less tidy detail is the gross margin. It slipped from 79.5% to 78.4%, even as the operating margin improved by 13.7 percentage points to negative 16.8%. The company is getting more operating leverage, while subscription costs are rising with infrastructure and support spending as SaaS adoption and support needs increase.
Rubrik says the biggest new cost in subscription revenue was hosting, tied to customers adopting more of its SaaS offerings.
"Cost of subscription revenue increased for the six months ended July 31, 2026 primarily due to a $16.5 million increase in hosting costs, driven by the launch and adoption of more SaaS offerings by our customers, a $7.8 million increase from growth in our customer support organization, a $3.8 million increase in amortization of acquired technology and a $2.9 million increase in amortization of capitalized internal-use software."
Rubrik, 10-Q filed September 1, 2026
That is a very specific cost of growth. More SaaS adoption is occurring alongside business expansion, while also making the revenue base more expensive to serve. Rubrik's subscription gross margin still rose for the three- and six-month periods, according to management, because subscription revenue expanded faster than associated costs. The filing also reports higher costs of other revenue, including hardware costs, alongside the consolidated margin decline.
The company also spent heavily to widen its sales footprint. Sales and marketing costs rose because of employee-related spending and advertising, events, and other market-penetration efforts.
"Sales and marketing expenses increased for the six months ended July 31, 2026 primarily due to a $28.6 million increase in employee related costs driven by headcount growth, as well as a $26.8 million increase in marketing expense associated with advertising campaigns, events, and related initiatives to drive market penetration."
Rubrik, 10-Q filed September 1, 2026
The reported numbers show a narrower loss and stronger cash generation. Net loss fell to $61.8 million from $95.9 million, while free cash flow represented 18.3% of revenue, up 1.6 percentage points from the comparable period. Management attributed the improvement to higher sales, renewal timing, operating leverage, and capital-structure changes.
The balance sheet adds one counterweight. Diluted shares rose 5.8% to 206.1 million, so the business is growing faster than the share count, but the share count is still moving upward. Research and development spending also increased 37.7%, including a $25.1 million increase in stock-based compensation tied to higher headcount.
Rubrik's annual history puts the current six-month figures in context: revenue reached $1.3 billion in the latest fiscal year, up 48.5%, while the annual operating margin was still negative 26.2%. The company has moved closer to scale economics, but the latest report leaves the costs of expansion visible in hosting, hiring, and marketing.
When Rubrik reports the next quarter, the number to carry forward is the latest six-month operating cash flow of $158.5 million, alongside whether gross margin remains near 78.4% as SaaS adoption and customer-support costs continue to build.
Source: Rubrik’s 10-Q filed September 1, 2026, for the six months ended July 31, 2026.