DOSSIER · 13F Holders · Q3 2026
UG

UNITED GUARDIAN INC

31 institutions still hold UNITED GUARDIAN INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 910571108·31 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$6M
visible holders
Holders
31
filers reporting
Concentration
18.67%
GAMCO INVESTORS, INC. ET AL #1
top holder share
AI Holders Summary · Q3 2026

31 institutions reported UG in Q3 2026. GAMCO INVESTORS, INC. ET AL leads at 18.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
$1M164K0.01%Q3 2026
02
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$916K128K0.00%Q2 2026
03
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$784K110K0.00%Q3 2026
04
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$515K72K0.00%Q3 2026
05
Teton Advisors, Inc.
CIK 0001444874
$432K54K0.26%Q2 2025
06
Rodgers Brothers Inc.
CIK 0001397290
$426K60K0.04%Q2 2026
07
Teton Advisors, LLC
CIK 0002086025
$385K54K0.25%Q3 2026
08
PARTHENON LLC
CIK 0001088859
$363K51K0.04%Q3 2026
09
GABELLI FUNDS LLC
CIK 0001081407
$272K38K0.00%Q3 2026
10
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$254K35K0.00%Q3 2026
11
UNITED CAPITAL FINANCIAL ADVISORS, LLC
CIK 0001463217
$144K20K0.00%Q3 2026
12
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$131K18K0.00%Q2 2026
13
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$118K17K0.00%Q2 2026
14
BlackRock, Inc.
CIK 0002012383
$105K15K0.00%Q2 2026
15
FIRST MANHATTAN CO. LLC.
CIK 0000728083
$93K13K0.00%Q2 2026
16
HighTower Advisors, LLC
CIK 0001462245
$79K11K0.00%Q3 2026
17
Hikari Tsushin, Inc.
CIK 0001423673
$68K10K0.00%Q3 2026
18
CALDWELL SUTTER CAPITAL, INC.
CIK 0000702007
$24K3K0.01%Q3 2026
19
Vanguard Global Advisers, LLC
CIK 0001811242· Index
$11K2K0.00%Q2 2026
20
UBS Group AG
CIK 0001610520
$10K1K0.00%Q3 2026
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11 more holders available. Log in →
Insiders at UNITED GUARDIAN INC
Globus Kenneth H →Vernice Joseph J →Parker Betsee →