DEXCOM INC (DXCM) Institutional Ownership Changes & 13F Activity

DEXCOM INC (DXCM) 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, Sequoia Financial Advisors, First Eagle U.S. Value, Alta Fox Capital Management, and Cullen Value Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2023Sequoia Financial AdvisorsBuy3,8808,294$1,029,203
Q3 2023Sequoia Financial AdvisorsBuy2684,414$411,827
Q3 2023Parnassus Endeavor FundBuy922,626$245,006
Q2 2023Renaissance Technologies LLCSell-121,600168,600$21,667
Q2 2023Sequoia Financial AdvisorsBuy1054,146$532,802
Q1 2023Renaissance Technologies LLCBuy212,900290,200$33,715
Q1 2023Parnassus Endeavor FundBuy6452,534$294,400
Q1 2023Sequoia Financial AdvisorsBuy4104,041$469,484
Q4 2022Renaissance Technologies LLCBuy71,40077,300$8,753
Q4 2022Sequoia Financial AdvisorsBuy3,6313,631$411,132
Q4 2022Parnassus Endeavor FundBuy1,8891,889$213,910
Q3 2022Renaissance Technologies LLCSell-888,6725,900$475
Q2 2022Renaissance Technologies LLCBuy871,372894,572$66,672
Q1 2022Renaissance Technologies LLCSell-116,74323,200$11,869
Q4 2021Renaissance Technologies LLCSell-4,100139,943$75,142
Q3 2021Lone Pine CapitalSell-427,0601,441,227$788,149
Q2 2021Lone Pine CapitalSell-504,8611,868,287$797,759
Q1 2021Renaissance Technologies LLCSell-140,966144,043$51,768
Q1 2021Lone Pine CapitalBuy105,3392,373,148$852,886
Q4 2020Lone Pine CapitalBuy1,804,7222,267,809$838,454
Q4 2020Renaissance Technologies LLCSell-446,967285,009$105,374
Q3 2020Renaissance Technologies LLCSell-451,100731,976$301,742
Q3 2020Lone Pine CapitalBuy123,541463,087$190,898
Q2 2020Lone Pine CapitalSell-719,349339,546$137,652
Q2 2020Renaissance Technologies LLCBuy233,7471,183,076$479,619
Q1 2020Renaissance Technologies LLCBuy249,086949,329$255,626
Q4 2019Lone Pine CapitalBuy1,058,8951,058,895$231,623
Q4 2019Renaissance Technologies LLCBuy644,843700,243$153,171
Q3 2019Renaissance Technologies LLCSell-245,54355,400$8,268
Q2 2019Renaissance Technologies LLCSell-961,198300,943$45,093

Frequently asked questions about DXCM activity

  • Which institutional owners are buying DXCM?

    Institutional owners buying DXCM 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 DXCM activity?

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

  • Is institutional interest in DXCM increasing?

    Institutional interest in DXCM 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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