OPENDOOR TECHNOLOGIES INC (OPEN) Stock Institutional Trading Activity


OPENDOOR TECHNOLOGIES INC (OPEN) 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, Ancient Art (Teton Capital), Sequoia Fund, and ARK Invest. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

Explore more:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2025Renaissance Technologies LLCBuy13,229,33839,330,438$229,296,454
Q3 2025Renaissance Technologies LLCBuy17,272,58026,101,100$208,025,767
Q2 2025Renaissance Technologies LLCBuy1,209,5208,828,520$4,705,601
Q1 2025Renaissance Technologies LLCSell-10,058,4887,619,000$7,771,380
Q4 2024Renaissance Technologies LLCSell-1,363,03217,677,488$28,283,981
Q3 2024Renaissance Technologies LLCSell-5,274,38019,040,520$38,081,040
Q2 2024Renaissance Technologies LLCSell-2,695,60024,314,900$44,739,416
Q1 2024Renaissance Technologies LLCBuy594,02627,010,500$81,842
Q4 2023Renaissance Technologies LLCSell-395,07026,416,474$118,346
Q3 2023Renaissance Technologies LLCBuy9,026,54426,811,544$70,782
Q2 2023Renaissance Technologies LLCBuy6,112,90017,785,000$71,496
Q1 2023Renaissance Technologies LLCBuy714,28611,672,100$20,543
Q1 2023Miller Value PartnersSell-88,00015,000$26,400
Q4 2022Renaissance Technologies LLCBuy6,420,11410,957,814$12,711
Q3 2022Sequoia FundSell-4,70017,500$54
Q3 2022Miller Value PartnersBuy90,000103,000$320
Q3 2022Ancient Art (Teton Capital)Buy500,000500,000$1,555
Q3 2022Renaissance Technologies LLCBuy1,921,1004,537,700$14,112
Q2 2022Renaissance Technologies LLCBuy2,616,6002,616,600$12,324
Q4 2021ARK InvestSell-4,259,9401,624,870$23,739
Q4 2021Third PointBuy3,775,0003,775,000$55,153
Q3 2021ARK InvestSell-4,254,4225,884,810$120,815
Q3 2021Sequoia FundBuy22,20022,200$456
Q2 2021ARK InvestSell-1,502,08610,139,232$179,769
Q2 2021Miller Value PartnersSell-2,00013,000$230
Q1 2021ARK InvestBuy7,640,09211,641,318$246,680
Q1 2021Miller Value PartnersBuy2,00015,000$318
Q4 2020ARK InvestBuy4,001,2264,001,226$90,948
Q4 2020Miller Value PartnersBuy13,00013,000$295

Frequently asked questions about OPEN activity

  • Which institutional owners are buying OPEN?

    Institutional owners buying OPEN 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 OPEN activity?

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

  • Is institutional interest in OPEN increasing?

    Institutional interest in OPEN 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.