RUBRIK INC-A (RBRK) Institutional Ownership Changes & 13F Activity

RUBRIK INC-A (RBRK). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, ARK Invest, Polen Capital Management, Viking Global Investors, and Tiger Global Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-345,900377,489$18,485,636
Q1 2026ARK InvestSell-59,227395,049$19,345,550
Q4 2025ARK InvestBuy135,164454,276$34,743,028
Q4 2025Renaissance Technologies LLCSell-84,311723,389$55,324,791
Q3 2025Renaissance Technologies LLCSell-410,300807,700$66,433,325
Q3 2025ARK InvestBuy55,500319,112$26,246,962
Q3 2025Polen Capital ManagementBuy2,9982,998$246,586
Q2 2025Renaissance Technologies LLCSell-163,4001,218,000$109,120,620
Q2 2025ARK InvestSell-130,664263,612$23,616,999
Q1 2025Renaissance Technologies LLCBuy394,1001,381,400$84,237,772
Q1 2025ARK InvestSell-21,548394,276$24,042,950
Q4 2024Renaissance Technologies LLCBuy987,300987,300$64,529,928
Q4 2024ARK InvestSell-5,108415,824$27,178,257
Q3 2024ARK InvestBuy223,850420,932$13,532,964
Q2 2024Viking Global InvestorsBuy897,170897,170$27,507,232
Q2 2024Tiger Global ManagementBuy250,000250,000$7,665,000
Q2 2024ARK InvestBuy197,082197,082$6,042,534

Frequently asked questions about RBRK activity

  • Which institutional owners are buying RBRK?

    Institutional owners buying RBRK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in RBRK activity?

    "Buy" means an investor increased their reported position in RBRK compared to the prior reporting period. This reflects growing exposure to RUBRIK INC-A (RBRK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in RBRK increasing?

    Institutional interest in RBRK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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