UNITED SECURITY BANCSHARE/CA (UBFO) Institutional Ownership Changes & 13F Activity

UNITED SECURITY BANCSHARE/CA (UBFO) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). 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
Q1 2026Renaissance Technologies LLCBuy24,900113,948$1,197,593
Q4 2025Renaissance Technologies LLCBuy10,80089,048$896,713
Q3 2025Renaissance Technologies LLCSell-13,80078,248$730,054
Q2 2025Renaissance Technologies LLCBuy7,00092,048$796,215
Q1 2025Renaissance Technologies LLCSell-19,24485,048$762,030
Q4 2024Renaissance Technologies LLCSell-33,770104,292$1,053,349
Q3 2024Renaissance Technologies LLCBuy43,114138,062$1,202,520
Q2 2024Renaissance Technologies LLCSell-1,09694,948$688,373
Q1 2024Renaissance Technologies LLCSell-80496,044$740
Q4 2023Renaissance Technologies LLCBuy35,05396,848$814
Q3 2023Renaissance Technologies LLCBuy1,75461,795$460
Q2 2023Renaissance Technologies LLCSell-21,80760,041$400
Q1 2023Renaissance Technologies LLCSell-3,90081,848$522
Q4 2022Renaissance Technologies LLCBuy98985,748$627
Q3 2022Renaissance Technologies LLCSell-5,78984,759$553
Q2 2022Renaissance Technologies LLCSell-26,90090,548$690
Q1 2022Renaissance Technologies LLCSell-13,727117,448$975
Q4 2021Renaissance Technologies LLCSell-29,573131,175$1,065
Q3 2021Renaissance Technologies LLCSell-71,681160,748$1,284
Q2 2021Renaissance Technologies LLCBuy33,606232,429$1,899
Q1 2021Renaissance Technologies LLCBuy9,893198,823$1,628
Q4 2020Renaissance Technologies LLCSell-3,428188,930$1,332
Q3 2020Renaissance Technologies LLCSell-30,000192,358$1,175
Q2 2020Renaissance Technologies LLCSell-40,200222,358$1,488
Q1 2020Renaissance Technologies LLCSell-44,382262,558$1,680
Q4 2019Renaissance Technologies LLCBuy38,228306,940$3,293
Q3 2019Renaissance Technologies LLCBuy17,874268,712$2,827
Q2 2019Renaissance Technologies LLCBuy16,200250,838$2,857
Q1 2019Renaissance Technologies LLCBuy6,562234,638$2,487
Q4 2018Renaissance Technologies LLCSell-6,839228,076$2,185

Frequently asked questions about UBFO activity

  • Which institutional owners are buying UBFO?

    Institutional owners buying UBFO 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 UBFO activity?

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

  • Is institutional interest in UBFO increasing?

    Institutional interest in UBFO 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.

Related UBFO insights