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 2023ARK InvestSell-67,70811,906,173$544,350,214
Q4 2023Renaissance Technologies LLCSell-248,8115,107,738$233,526
Q3 2023ARK InvestBuy2,655,33311,973,881$346,763,605
Q3 2023Renaissance Technologies LLCSell-1,773,6335,356,549$155,126
Q3 2023ValueAct HoldingsBuy1,800,0001,800,000$52,128,000
Q2 2023ARK InvestBuy292,0689,318,548$375,537,479
Q2 2023Renaissance Technologies LLCSell-1,650,9007,130,182$287,346
Q1 2023ARK InvestBuy561,6709,026,480$406,011,070
Q1 2023Renaissance Technologies LLCSell-1,369,9008,781,082$394,973
Q4 2022ARK InvestSell-9,8868,464,810$240,908,493
Q4 2022Tiger Global ManagementSell-79,7507,345$209,039
Q4 2022Renaissance Technologies LLCSell-470,70010,150,982$288,897
Q3 2022ARK InvestBuy1,069,5928,474,696$303,733
Q3 2022Renaissance Technologies LLCSell-958,90010,621,682$380,681
Q2 2022ARK InvestBuy1,312,4587,405,104$221,709
Q2 2022Tiger Global ManagementSell-2,532,66587,095$2,862
Q2 2022Renaissance Technologies LLCBuy7,143,30011,580,582$380,538
Q1 2022ARK InvestBuy4,068,6536,092,646$281,724
Q1 2022Tiger Global ManagementSell-1,960,7312,619,760$121,138
Q1 2022Renaissance Technologies LLCSell-962,2094,437,282$205,180
Q4 2021ARK InvestBuy727,7802,023,993$208,795
Q4 2021Tiger Global ManagementSell-12,850,3314,580,491$472,523
Q4 2021Renaissance Technologies LLCBuy5,395,3915,399,491$557,011
Q3 2021ARK InvestBuy328,6051,296,213$97,929
Q3 2021Renaissance Technologies LLCSell-750,1004,100$310
Q3 2021Tiger Global ManagementSell-9,961,47517,430,822$1,316,899
Q2 2021ARK InvestBuy450,731967,608$87,065
Q2 2021Renaissance Technologies LLCBuy754,200754,200$67,863
Q2 2021Tiger Global ManagementSell-13,036,56627,392,297$2,464,759
Q1 2021ARK InvestBuy516,877516,877$33,509

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.