ROBLOX CORP -CLASS A (RBLX) Stock Institutional Trading Activity


ROBLOX CORP -CLASS A (RBLX) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Durable Capital Partners, ValueAct Holdings, Renaissance Technologies LLC, ARK Invest, and Sequoia Financial Advisors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Durable Capital PartnersSell-2,367,2521,162,730$94,216,012
Q4 2025ValueAct HoldingsBuy1,692,6005,975,821$484,220,776
Q4 2025Renaissance Technologies LLCSell-255,0366,628,509$537,108,129
Q3 2025ARK InvestSell-1,456,4775,312,821$735,932,022
Q3 2025Sequoia Financial AdvisorsBuy4,16810,739$1,487,543
Q3 2025Durable Capital PartnersSell-1,058,7463,529,982$488,973,107
Q3 2025ValueAct HoldingsSell-448,8004,283,221$593,311,773
Q3 2025Renaissance Technologies LLCBuy781,8866,883,545$953,508,670
Q2 2025ARK InvestSell-2,302,6806,769,298$712,130,147
Q2 2025Sequoia Financial AdvisorsBuy1,4236,571$691,262
Q2 2025Durable Capital PartnersBuy1,122,1534,588,728$482,734,186
Q2 2025ValueAct HoldingsSell-4,032,9004,732,021$497,808,609
Q2 2025Renaissance Technologies LLCBuy10,2006,101,659$641,894,527
Q1 2025ARK InvestSell-1,070,5739,071,978$528,805,601
Q1 2025Sequoia Financial AdvisorsBuy8235,148$300,100
Q1 2025Durable Capital PartnersSell-794,7543,466,575$202,066,657
Q1 2025Renaissance Technologies LLCSell-1,479,5006,091,459$355,071,145
Q1 2025ValueAct HoldingsSell-1,371,0008,764,921$510,907,245
Q4 2024ARK InvestSell-1,698,85910,142,551$586,847,982
Q4 2024Sequoia Financial AdvisorsBuy4,3254,325$250,268
Q4 2024Durable Capital PartnersBuy4,261,3294,261,329$246,560,496
Q4 2024Renaissance Technologies LLCBuy1,478,4217,570,959$438,055,688
Q3 2024ARK InvestSell-1,497,41911,841,410$524,100,790
Q3 2024Renaissance Technologies LLCBuy1,790,8006,092,538$269,655,732
Q3 2024ValueAct HoldingsBuy7,835,92110,135,921$448,615,863
Q2 2024ARK InvestBuy1,519,59113,338,829$496,337,841
Q2 2024Renaissance Technologies LLCSell-398,5004,301,738$160,067,671
Q1 2024ARK InvestSell-86,93511,819,238$451,258,524
Q1 2024Renaissance Technologies LLCSell-407,5004,700,238$179,455
Q1 2024ValueAct HoldingsBuy500,0002,300,000$87,814,000

Frequently asked questions about RBLX activity

  • Which institutional owners are buying RBLX?

    Institutional owners buying RBLX 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 RBLX activity?

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

  • Is institutional interest in RBLX increasing?

    Institutional interest in RBLX 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.