ARK INNOVATION ETF (ARKK) Institutional Ownership Changes & 13F Activity

ARK INNOVATION ETF (ARKK) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). 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, Sequoia Financial Advisors, Appaloosa Management, and Matrix Private Capital Group.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2022Sequoia Financial AdvisorsSell-2,17914,402$955
Q1 2022Matrix Private Capital GroupSell-3458,102$537
Q4 2021ARK InvestBuy114,630158,992$15,039
Q4 2021Renaissance Technologies LLCSell-36,40020,400$1,930
Q4 2021Sequoia Financial AdvisorsBuy12,41116,581$1,568
Q4 2021Matrix Private Capital GroupSell-1,8908,447$799
Q3 2021Sequoia Financial AdvisorsSell-23,3384,170$461
Q3 2021ARK InvestBuy20,97344,362$4,903
Q3 2021Matrix Private Capital GroupBuy69010,337$1,143
Q2 2021ARK InvestBuy5,28823,389$3,059
Q2 2021Sequoia Financial AdvisorsBuy3,14827,508$3,597
Q2 2021Matrix Private Capital GroupSell-1639,647$1,262
Q1 2021ARK InvestBuy15,18718,101$2,171
Q1 2021Sequoia Financial AdvisorsBuy9,85324,360$2,922
Q1 2021Matrix Private Capital GroupSell-5289,810$1,177
Q4 2020Sequoia Financial AdvisorsBuy8,04814,507$1,806
Q4 2020Matrix Private Capital GroupBuy6,69410,338$1,287
Q4 2020ARK InvestBuy1,8042,914$363
Q3 2020ARK InvestBuy1,1101,110$102
Q3 2020Matrix Private Capital GroupSell-6843,644$335
Q3 2020Sequoia Financial AdvisorsSell-5566,459$594
Q2 2020Renaissance Technologies LLCBuy47,10056,800$4,050
Q2 2020Matrix Private Capital GroupBuy4,3284,328$309
Q1 2020Renaissance Technologies LLCSell-2,5009,700$427
Q4 2019Renaissance Technologies LLCBuy6,90012,200$611
Q2 2019Renaissance Technologies LLCBuy5,3005,300$254
Q2 2018Sequoia Financial AdvisorsBuy7,0157,015$316

Frequently asked questions about ARKK activity

  • Which institutional owners are buying ARKK?

    Institutional owners buying ARKK 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 ARKK activity?

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

  • Is institutional interest in ARKK increasing?

    Institutional interest in ARKK 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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