(MARA) Institutional Ownership Changes & 13F Activity

MARA. 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
Q4 2025Renaissance Technologies LLCSell-1,021,5001,858,838$16,692,365
Q3 2025Renaissance Technologies LLCBuy1,070,9002,880,338$52,594,972
Q2 2025Renaissance Technologies LLCBuy1,719,2341,809,438$28,371,988
Q1 2023Renaissance Technologies LLCSell-1,546,33490,204$787
Q2 2022Renaissance Technologies LLCBuy1,224,3001,636,538$8,739
Q1 2022Renaissance Technologies LLCSell-1,005,200412,238$11,522
Q4 2021Renaissance Technologies LLCBuy1,271,5001,417,438$46,577
Q3 2021Renaissance Technologies LLCSell-1,522,900145,938$4,609
Q2 2021Renaissance Technologies LLCBuy100,8001,668,838$52,351
Q1 2021Renaissance Technologies LLCBuy1,568,0381,568,038$75,297

Frequently asked questions about MARA activity

  • Which institutional owners are buying MARA?

    Institutional owners buying MARA 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 MARA activity?

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

  • Is institutional interest in MARA increasing?

    Institutional interest in MARA 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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