MICROSTRATEGY INC-CL A (MSTR) Stock Institutional Trading Activity


MICROSTRATEGY INC-CL A (MSTR) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Miller Value Partners, Sequoia Financial Advisors, and First Eagle U.S. Value. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Miller Value PartnersBuy10,00025,250$3,836,737
Q4 2025Renaissance Technologies LLCBuy731,602957,332$137,111,997
Q3 2025Sequoia Financial AdvisorsSell-3196,768$2,180,660
Q3 2025Renaissance Technologies LLCSell-38,869225,730$42,102,865
Q2 2025Sequoia Financial AdvisorsBuy3927,087$2,864,896
Q2 2025Renaissance Technologies LLCBuy243,799264,599$26,508,635
Q1 2025Sequoia Financial AdvisorsBuy7606,695$1,929,899
Q1 2025Renaissance Technologies LLCSell-13,60520,800$5,996,016
Q4 2024Renaissance Technologies LLCSell-155,47134,405$150,469
Q4 2024Sequoia Financial AdvisorsBuy1,0895,935$1,718,860
Q4 2024Miller Value PartnersSell-35,00015,250$4,416,705
Q3 2024Sequoia Financial AdvisorsBuy4,5504,846$817,036
Q3 2024Miller Value PartnersSell-1,849,75050,250$8,472,150
Q3 2024Renaissance Technologies LLCBuy126,276189,876$32,013,094
Q2 2024Sequoia Financial AdvisorsBuy75296$407,735
Q1 2024Sequoia Financial AdvisorsBuy221221$376,708
Q4 2022Renaissance Technologies LLCSell-219,60063,600$9,004
Q4 2022Miller Value PartnersBuy1,899,3371,900,000$878,433
Q3 2022Renaissance Technologies LLCSell-116,300283,200$60,112
Q2 2022Renaissance Technologies LLCBuy313,200399,500$65,638
Q1 2022Renaissance Technologies LLCSell-56,00086,300$41,969
Q1 2021Miller Value PartnersSell-2,837663$450
Q4 2020Miller Value PartnersBuy3,5003,500$1,360
Q3 2020Renaissance Technologies LLCBuy17,900142,300$21,425
Q2 2020Renaissance Technologies LLCBuy94,000124,400$14,715
Q1 2020Renaissance Technologies LLCBuy14,51530,400$3,590
Q4 2019Renaissance Technologies LLCSell-9,29715,885$2,266
Q3 2019Renaissance Technologies LLCSell-47,21825,182$3,736
Q2 2019Renaissance Technologies LLCSell-22,80072,400$10,376
Q1 2019Renaissance Technologies LLCBuy62,10095,200$13,733

Frequently asked questions about MSTR activity

  • Which institutional owners are buying MSTR?

    Institutional owners buying MSTR 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 MSTR activity?

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

  • Is institutional interest in MSTR increasing?

    Institutional interest in MSTR 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.