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
Q4 2025Renaissance Technologies LLCBuy1,882186,645$1,149,733
Q3 2025Renaissance Technologies LLCSell-3,200184,763$1,452,108
Q2 2025Renaissance Technologies LLCSell-1,000187,963$1,503,516
Q1 2025Renaissance Technologies LLCSell-1,200188,963$1,698,777
Q4 2024Renaissance Technologies LLCBuy7,800190,163$1,817,958
Q3 2024Renaissance Technologies LLCSell-5,200182,363$2,895,924
Q2 2024Renaissance Technologies LLCBuy2,100187,563$1,676,813
Q1 2024Renaissance Technologies LLCBuy1,700185,463$1,419
Q4 2023Renaissance Technologies LLCSell-2,100183,763$1,323
Q3 2023Renaissance Technologies LLCSell-1,100185,863$1,400
Q2 2023Renaissance Technologies LLCSell-500186,963$1,545
Q1 2023Renaissance Technologies LLCSell-2,200187,463$1,762
Q4 2022Renaissance Technologies LLCSell-15,900189,663$1,980
Q3 2022Renaissance Technologies LLCSell-21,200205,563$2,335
Q2 2022Renaissance Technologies LLCBuy2,100226,763$3,399
Q1 2022Renaissance Technologies LLCSell-5,600224,663$5,109
Q4 2021Renaissance Technologies LLCSell-16,300230,263$3,788
Q3 2021Renaissance Technologies LLCSell-9,100246,563$3,501
Q2 2021Renaissance Technologies LLCSell-6,600255,663$3,838
Q1 2021Renaissance Technologies LLCSell-5,860262,263$3,973
Q4 2020Renaissance Technologies LLCSell-200268,123$3,855
Q3 2020Renaissance Technologies LLCBuy3,723268,323$4,066
Q2 2020Renaissance Technologies LLCSell-2,670264,600$3,919
Q1 2020Renaissance Technologies LLCSell-5,530267,270$3,862
Q4 2019Renaissance Technologies LLCBuy3,500272,800$5,361
Q3 2019Renaissance Technologies LLCBuy6,500269,300$5,106
Q2 2019Renaissance Technologies LLCBuy5,800262,800$4,941
Q1 2019Renaissance Technologies LLCBuy10,700257,000$4,922
Q4 2018Renaissance Technologies LLCBuy4,300246,300$4,517
Q3 2018Renaissance Technologies LLCBuy21,100242,000$3,908

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.