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RBRK · NYSE · Software - Infrastructure

Rubrik

Secures enterprise data and governs agentic actions across cloud and SaaS environments.

$92.95
After-hours close−0.07 (−0.08%)
At close$93.02(−13.08%)

Breakdown13F · Form 4

Institutions 71.00%146.14M sharesInsiders 12.83%26.41M sharesOther 16.17%33.28M shares

Shares outstanding 205.83M · Float 157.41M · 76.5% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Bipul Sinha · director, 10 percent owner, officer: Chairman of the Board and CEO11.29M5.49%Form 4Sep 12, 2025
Arvind Nithrakashyap · director, officer: Chief Technology Officer10.36M5.03%Form 4Aug 5, 2026
Lightspeed SPV I, LLC · 10 percent owner10.01M4.86%Form 4Mar 27, 2025
BlackRock, Inc.9.99M4.85%13FAug 7, 2026
AQR Capital Management, LLC9.95M6.18%13GAug 13, 2026

Institutions13F, as of Jun 30, 2026

615 holders · 146.14M shares · 191 new positions · 416 increased · 116 reduced · 73 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.9.99M4.85%+1.17MAug 7, 2026
AQR Capital Management LLC9.95M4.83%+7.73MAug 14, 2026
FMR LLC9.20M4.47%+940.7KAug 13, 2026
Vanguard Portfolio Management LLC8.30M4.03%+271.8KAug 13, 2026
Vanguard Capital Management LLC6.89M3.35%+330.1KAug 13, 2026
First Trust Advisors LP5.98M2.91%+1.08MAug 11, 2026
Norges Bank4.07M1.98%+4.07MnewAug 12, 2026
Voya Investment Management LLC4.00M1.95%+268.2KAug 12, 2026

Beneficial owners13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Ravi Mhatreincl. Barry Eggers, Lightspeed General Partner IX, L.P. +14 more17.40%31.68M13GNov 14, 2024
Arvind Nithrakashyap11.50%11.34M13GFeb 14, 2025
Bipul Sinha8.90%13.79M13DSep 12, 2025
VK Services, LLCincl. Vinod Khosla, Khosla Ventures V, L.P. +3 more6.40%4.71M13GNov 14, 2024
AQR Capital Management, LLC6.18%9.95M13GAug 13, 2026
Norges Bank (The Central Bank of Norway)5.93%4.10M13GOct 15, 2024
FMR LLC5.30%8.40M13GMay 6, 2026
BlackRock, Inc.5.30%8.27M13GApr 27, 2026
Vanguard Portfolio Management5.12%8.06M13GApr 29, 2026
Vanguard Capital Management5.04%8.13M13GJul 31, 2026

InsidersForm 4

InsiderRoleShares% outstandingFiled
Bipul Sinhadirector, 10 percent owner, officer: Chairman of the Board and CEO11.29M5.49%Sep 12, 2025
Arvind Nithrakashyapdirector, officer: Chief Technology Officer10.36M5.03%Aug 5, 2026
Lightspeed SPV I, LLC10 percent owner10.01M4.86%Mar 27, 2025
Lightspeed Venture Partners IX, L.P.10 percent owner6.90M3.35%Jun 30, 2025
Eggers Barry10 percent owner5.61M2.73%Jun 30, 2025
Enrique T. Salemdirector1.36M0.66%Jun 26, 2025
Kiran Kumar Choudaryofficer: Chief Financial Officer978.1K0.48%Aug 25, 2026
John Wendell Thompsondirector883.7K0.43%Aug 4, 2026
Brian K. McCarthyofficer: Pres.,Global Sales & Field Ops772.8K0.38%Feb 3, 2026
Ravi Mhatredirector608.5K0.30%Jul 14, 2026

5 ten-percent owners hold 31.14M shares by Form 4, outside the officers-and-directors figure above · 1 person has not refiled in the last 18 months (75.0K shares), so they are not in the figure above

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Aug 24, 2026
Kiran Kumar Choudaryofficer: Chief Financial Officer
Sale · 3 lots10,000$98.32978,073
Aug 5, 2026
Arvind Nithrakashyapdirector, officer: Chief Technology Officer
Sale · 4 lots12,820$83.71293,293
Aug 4, 2026
Arvind Nithrakashyapdirector, officer: Chief Technology Officer
Sale · 5 lots12,820$79.81293,293
Aug 3, 2026
Arvind Nithrakashyapdirector, officer: Chief Technology Officer
Sale · 2 lots12,820$74.04293,293
Aug 3, 2026
Yvonne Wassenaardirector
Sale721$75.003,917
Aug 3, 2026
John Wendell Thompsondirector
Sale · 4 lots13,500$74.1018,362
Jul 15, 2026
Kiran Kumar Choudaryofficer: Chief Financial Officer
Sale · 8 lots28,000$81.73984,073
Jul 13, 2026
Ravi Mhatredirector
Sale3,979$83.100
Jul 7, 2026
Arvind Nithrakashyapdirector, officer: Chief Technology Officer
Sale · 5 lots12,820$87.59303,611
Jul 8, 2026
Arvind Nithrakashyapdirector, officer: Chief Technology Officer
Sale · 4 lots12,820$84.58303,611

CongressHouse and Senate disclosures

Not reported.