(UCB) Stock Institutional Trading Activity


(UCB) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q2 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC and Sequoia Financial Advisors. 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
Q2 2017Renaissance Technologies LLCSell-129,8001,948,368$54,165
Q1 2017Renaissance Technologies LLCBuy325,4002,078,168$57,544
Q4 2016Renaissance Technologies LLCBuy231,1001,752,768$51,917
Q3 2016Renaissance Technologies LLCSell-50,8001,521,668$31,985
Q2 2016Renaissance Technologies LLCBuy563,6571,572,468$28,760
Q1 2016Renaissance Technologies LLCBuy258,8301,008,811$18,633
Q4 2015Renaissance Technologies LLCBuy157,413749,981$14,617
Q3 2015Renaissance Technologies LLCSell-46,838592,568$12,112
Q2 2015Renaissance Technologies LLCBuy497,706639,406$13,344
Q1 2015Renaissance Technologies LLCBuy50,700141,700$2,675
Q4 2014Renaissance Technologies LLCBuy38,30091,000$1,724
Q3 2014Renaissance Technologies LLCBuy32,60052,700$867
Q2 2014Renaissance Technologies LLCSell-307,02820,100$329
Q1 2014Renaissance Technologies LLCSell-64,976327,128$6,350
Q4 2013Renaissance Technologies LLCBuy259,100392,104$6,960
Q3 2013Renaissance Technologies LLCSell-27,400133,004$1,994
Q2 2013Renaissance Technologies LLCBuy160,404160,404$1,992

Frequently asked questions about UCB activity

  • Which institutional owners are buying UCB?

    Institutional owners buying UCB 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 UCB activity?

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

  • Is institutional interest in UCB increasing?

    Institutional interest in UCB 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.