Key Takeaways Rubrik's subscription revenue rose 55% year over year to $297M in fiscal Q2 2026. Subscription ARR surpassed $1.25B, up 36%, with strong customer growth above $100K ARR. Cloud ARR climbed 57% to $1.1B, boosted by Rubrik Security Cloud adoption and new offerings. Rubrik (RBRK) is benefiting from strong growth in subscription revenue, which reached $297 million in the second quarter of fiscal 2026, marking a 55% year-over-year increase.  This growth is driven by the company’s focus on cyber resi ...