GKOS Institutional Ownership Changes & 13F Activity

GLAUKOS CORP (GKOS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2017Renaissance Technologies LLCSell-137,100503,600$16,619
Q2 2017Renaissance Technologies LLCSell-565,500640,700$26,570
Q1 2017Renaissance Technologies LLCBuy357,2001,206,200$61,878
Q4 2016Renaissance Technologies LLCBuy143,800849,000$29,121
Q3 2016Renaissance Technologies LLCBuy580,800705,200$26,614
Q2 2016Renaissance Technologies LLCBuy124,400124,400$3,628

Frequently asked questions about GKOS activity

  • Which institutional owners are buying GKOS?

    Institutional owners buying GKOS 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 GKOS activity?

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

  • Is institutional interest in GKOS increasing?

    Institutional interest in GKOS 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.