UNITED GUARDIAN INC (UG) Stock Institutional Trading Activity


UNITED GUARDIAN INC (UG) 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. 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
Q1 2018Renaissance Technologies LLCBuy2,600220,900$3,928
Q4 2017Renaissance Technologies LLCBuy6,200218,300$4,039
Q3 2017Renaissance Technologies LLCBuy5,700212,100$4,136
Q2 2017Renaissance Technologies LLCBuy2,500206,400$3,190
Q1 2017Renaissance Technologies LLCBuy7,400203,900$3,028
Q4 2016Renaissance Technologies LLCBuy4,600196,500$3,046
Q3 2016Renaissance Technologies LLCBuy10,800191,900$2,815
Q2 2016Renaissance Technologies LLCBuy16,500181,100$2,910
Q1 2016Renaissance Technologies LLCBuy7,900164,600$3,402
Q4 2015Renaissance Technologies LLCBuy4,900156,700$3,001
Q3 2015Renaissance Technologies LLCSell-1,700151,800$2,735
Q2 2015Renaissance Technologies LLCBuy2,600153,500$2,932
Q1 2015Renaissance Technologies LLCBuy4,100150,900$2,814
Q4 2014Renaissance Technologies LLCBuy6,500146,800$2,911
Q3 2014Renaissance Technologies LLCBuy7,400140,300$3,133
Q2 2014Renaissance Technologies LLCBuy2,600132,900$3,802
Q1 2014Renaissance Technologies LLCBuy400130,300$3,811
Q4 2013Renaissance Technologies LLCBuy2,200129,900$3,660
Q3 2013Renaissance Technologies LLCBuy3,700127,700$3,199
Q2 2013Renaissance Technologies LLCBuy124,000124,000$3,026

Frequently asked questions about UG activity

  • Which institutional owners are buying UG?

    Institutional owners buying UG 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 UG activity?

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

  • Is institutional interest in UG increasing?

    Institutional interest in UG 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.