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
Q4 2019Renaissance Technologies LLCSell-68,7004,557,853$546,942
Q3 2019Renaissance Technologies LLCBuy63,5004,626,553$531,637
Q2 2019Renaissance Technologies LLCSell-56,0004,563,053$472,869
Q1 2019Renaissance Technologies LLCBuy379,4004,619,053$440,842
Q4 2018Renaissance Technologies LLCSell-331,0474,239,653$414,765
Q3 2018Renaissance Technologies LLCBuy64,2004,570,700$438,604
Q3 2018ARK InvestSell-397535$51
Q2 2018ARK InvestBuy48932$97
Q1 2018Renaissance Technologies LLCSell-13,5004,506,500$514,192
Q1 2018ARK InvestBuy152884$101
Q4 2017Renaissance Technologies LLCBuy130,3004,520,000$563,147
Q4 2017ARK InvestBuy732732$91
Q3 2017Renaissance Technologies LLCBuy19,7044,389,700$472,463
Q2 2017Renaissance Technologies LLCSell-97,3044,369,996$399,418
Q1 2017Renaissance Technologies LLCBuy81,2004,467,300$362,164
Q4 2016Renaissance Technologies LLCSell-79,9004,386,100$324,089
Q3 2016Renaissance Technologies LLCSell-42,0004,466,000$289,620
Q2 2016Renaissance Technologies LLCBuy71,3004,508,000$300,323
Q1 2016Renaissance Technologies LLCBuy37,0004,436,700$289,850
Q4 2015Renaissance Technologies LLCBuy176,0004,399,700$285,541
Q3 2015Renaissance Technologies LLCBuy225,3004,223,700$283,326
Q2 2015Renaissance Technologies LLCBuy150,8003,998,400$228,788
Q1 2015Renaissance Technologies LLCBuy99,2003,847,600$220,871
Q4 2014Renaissance Technologies LLCBuy130,3003,748,400$237,724
Q3 2014Renaissance Technologies LLCBuy6,4003,618,100$193,659
Q2 2014Renaissance Technologies LLCBuy540,8003,611,700$177,732
Q1 2014Renaissance Technologies LLCBuy340,8003,070,900$173,813
Q4 2013Renaissance Technologies LLCBuy252,1002,730,100$141,856
Q3 2013Renaissance Technologies LLCBuy297,3002,478,000$112,080
Q2 2013Renaissance Technologies LLCBuy2,180,7002,180,700$101,708

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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