UG · NASDAQ · Household & Personal Products

United-Guardian

Develops specialty ingredients, pharmaceuticals, and medical lubricants through Guardian Laboratories.

$7.15
After-hours close+0.05 (+0.70%)
At close$7.10(−1.39%)

Breakdown13F · Form 4

Institutions 19.67%903.9K sharesInsiders 22.45%1.03M sharesOther 57.88%2.66M shares

Shares outstanding 4.59M · Float 2.96M · 64.4% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Kenneth H. Globus · director1.03M22.45%Form 4Jan 23, 2026
Renaissance Technologies LLC175.8K3.83%13FMay 14, 2026
Gamco Investors, Inc. et al164.4K3.58%13FMay 14, 2026
Vanguard Capital Management LLC128.3K2.79%13FMay 15, 2026
Dimensional Fund Advisors LP68.5K1.49%13FMay 7, 2026

Institutions13F, as of Mar 31, 2026

26 holders · 903.9K shares · 3 new positions · 10 increased · 5 reduced · 3 closed

HolderShares% outstandingChg q/qFiled
Renaissance Technologies LLC175.8K3.83%−10.9KMay 14, 2026
Gamco Investors, Inc. et al164.4K3.58%+1.9KMay 14, 2026
Vanguard Capital Management LLC128.3K2.79%+128.3KnewMay 15, 2026
Dimensional Fund Advisors LP68.5K1.49%−6.4KMay 7, 2026
Rodgers Brothers Inc.63.6K1.38%−10.3KMay 14, 2026
Teton Advisors, LLC53.8K1.17%0May 14, 2026
Parthenon LLC50.6K1.10%0Apr 28, 2026
Gabelli Funds LLC38.0K0.83%0May 14, 2026

Beneficial owners13D/G · 5% or more, as filed

No 13D/G filer at 5% or more on record.

InsidersForm 4

InsiderRoleShares% outstandingFiled
Kenneth H. Globusdirector1.03M22.45%Jan 23, 2026

1 ten-percent owner holds 438.8K shares by Form 4, outside the officers-and-directors figure above · 8 people have not refiled in the last 18 months (1.18M shares), so they are not in the figure above

Latest trades

No open-market trades in the last 12 months.

CongressHouse and Senate disclosures

Not reported.