DDM (DDM) Institutional Ownership Changes & 13F Activity

DDM. 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.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2025Renaissance Technologies LLCSell-5,8005,700$611,496
Q3 2024Renaissance Technologies LLCBuy6,40011,500$1,099,170
Q1 2024Renaissance Technologies LLCSell-39,7005,100$444
Q4 2023Renaissance Technologies LLCBuy34,90044,800$3,549
Q4 2021Renaissance Technologies LLCBuy5,5029,900$792
Q3 2021Renaissance Technologies LLCSell-22,8024,398$305
Q1 2021Renaissance Technologies LLCBuy30027,200$1,792
Q4 2019Renaissance Technologies LLCBuy20,30026,900$1,495
Q1 2019Renaissance Technologies LLCBuy1,5006,600$306
Q4 2017Renaissance Technologies LLCBuy5,1005,100$674

Frequently asked questions about DDM activity

  • Which institutional owners are buying DDM?

    Institutional owners buying DDM 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 DDM activity?

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

  • Is institutional interest in DDM increasing?

    Institutional interest in DDM 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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