OBK (OBK) Institutional Ownership Changes & 13F Activity

OBK (OBK) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q3 2025). 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-14,4009,400$324,488
Q2 2025Renaissance Technologies LLCBuy2,40023,800$850,612
Q1 2025Renaissance Technologies LLCSell-1,70021,400$741,938
Q4 2024Renaissance Technologies LLCSell-4,80023,100$768,999
Q3 2024Renaissance Technologies LLCSell-2,80027,900$897,264
Q2 2024Renaissance Technologies LLCSell-5,60030,700$973,804
Q1 2024Renaissance Technologies LLCBuy6,50036,300$1,134
Q4 2023Renaissance Technologies LLCSell-4,50029,800$1,060
Q3 2023Renaissance Technologies LLCSell-8,90034,300$990
Q2 2023Renaissance Technologies LLCSell-1,20043,200$1,266
Q1 2023Renaissance Technologies LLCSell-16,50044,400$1,427
Q4 2022Renaissance Technologies LLCBuy13,70060,900$2,235
Q3 2022Renaissance Technologies LLCBuy9,40047,200$1,816
Q2 2022Renaissance Technologies LLCSell-8,30037,800$1,467
Q1 2022Renaissance Technologies LLCBuy7,38046,100$1,950
Q4 2021Renaissance Technologies LLCBuy19,22038,720$1,662
Q3 2021Renaissance Technologies LLCSell-5,10019,500$826
Q2 2021Renaissance Technologies LLCSell-20,40024,600$1,045
Q1 2021Renaissance Technologies LLCSell-23,10045,000$1,908
Q4 2020Renaissance Technologies LLCBuy10,20068,100$1,891
Q3 2020Renaissance Technologies LLCBuy4,00057,900$1,237
Q2 2020Renaissance Technologies LLCBuy18,20053,900$1,186
Q1 2020Renaissance Technologies LLCSell-2,60035,700$723
Q4 2019Renaissance Technologies LLCSell-16,30038,300$1,449
Q3 2019Renaissance Technologies LLCBuy42,90054,600$1,842
Q2 2019Renaissance Technologies LLCBuy11,70011,700$386

Frequently asked questions about OBK activity

  • Which institutional owners are buying OBK?

    Institutional owners buying OBK 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 OBK activity?

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

  • Is institutional interest in OBK increasing?

    Institutional interest in OBK 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.