CBOE GLOBAL MARKETS INC (CBOE) Institutional Ownership Changes & 13F Activity

CBOE GLOBAL MARKETS INC (CBOE) 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 Viking Global Investors, Renaissance Technologies LLC, Parnassus Endeavor Fund, Sequoia Financial Advisors, and ARK Invest.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Viking Global InvestorsSell-966,633688,417$193,493,366
Q1 2026Renaissance Technologies LLCSell-38,9001,100,506$309,319,221
Q1 2026Parnassus Endeavor FundSell-14,942301,076$84,623,431
Q1 2026Sequoia Financial AdvisorsBuy3316,523$1,833,391
Q4 2025Renaissance Technologies LLCSell-203,5181,139,406$285,990,906
Q4 2025Parnassus Endeavor FundSell-26,733316,018$79,320,518
Q4 2025Sequoia Financial AdvisorsBuy3,7396,192$1,554,147
Q3 2025Renaissance Technologies LLCSell-315,9001,342,924$329,352,111
Q3 2025Parnassus Endeavor FundSell-13,360342,751$84,059,683
Q3 2025Sequoia Financial AdvisorsBuy1512,453$601,534
Q2 2025Renaissance Technologies LLCSell-59,4001,658,824$386,854,345
Q2 2025Parnassus Endeavor FundSell-52,094356,111$83,048,646
Q2 2025Sequoia Financial AdvisorsSell-672,302$536,781
Q1 2025Renaissance Technologies LLCSell-134,9001,718,224$388,816,909
Q1 2025Parnassus Endeavor FundSell-98,827408,205$92,372,709
Q1 2025Sequoia Financial AdvisorsSell-262,369$536,009
Q4 2024Parnassus Endeavor FundSell-55,737507,032$99,074,053
Q4 2024Renaissance Technologies LLCSell-26,6001,853,124$362,100,430
Q4 2024Sequoia Financial AdvisorsBuy3852,395$468,021
Q3 2024Parnassus Endeavor FundSell-53,550562,769$115,294,485
Q3 2024Renaissance Technologies LLCBuy5,0001,879,724$385,099,056
Q3 2024Sequoia Financial AdvisorsBuy3732,010$411,824
Q2 2024Renaissance Technologies LLCSell-107,5001,874,724$318,815,563
Q2 2024Parnassus Endeavor FundSell-52,669616,319$104,811,209
Q2 2024Sequoia Financial AdvisorsBuy851,637$278,414
Q1 2024Viking Global InvestorsSell-757,4491,655,050$304,082,337
Q1 2024Parnassus Endeavor FundSell-391,795668,988$122,913,165
Q1 2024Renaissance Technologies LLCBuy5,5001,982,224$364,194
Q1 2024Sequoia Financial AdvisorsBuy1811,552$285,173
Q4 2023Viking Global InvestorsBuy2,412,4992,412,499$430,775,821

Frequently asked questions about CBOE activity

  • Which institutional owners are buying CBOE?

    Institutional owners buying CBOE 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 CBOE activity?

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

  • Is institutional interest in CBOE increasing?

    Institutional interest in CBOE 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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