SEC 13F Intelligence

UGUNITED GUARDIAN INC

CUSIP 910571108 · Yahoo Finance ↗ · Google Finance ↗

United Guardian Inc (UG) has 26 institutional holders in Filings Flow’s 13F database, together reporting 903.9K shares worth $6M as of Q1 2026. The largest reported holders are Renaissance Technologies LLC, Gamco Investors, Inc. Et Al, and Vanguard Group Inc.

Institutional Holders
26
Q1 2026
Reported Value
$6M
Ticker
UG
Quarters Tracked
29

Ownership Trend

Institutional holders
Q1 ’19: 23Q1 ’19Q2 ’19: 23Q3 ’19: 23Q4 ’19: 23Q1 ’20: 23Q1 ’20Q2 ’20: 21Q3 ’20: 19Q4 ’20: 22Q1 ’21: 24Q1 ’21Q2 ’21: 22Q3 ’21: 22Q4 ’21: 21Q1 ’22: 23Q1 ’22Q2 ’22: 25Q3 ’22: 22Q4 ’22: 25Q1 ’23: 23Q1 ’23Q2 ’23: 20Q3 ’23: 19Q4 ’23: 22Q1 ’24: 24Q1 ’24Q2 ’24: 23Q3 ’24: 24Q4 ’24: 27Q1 ’25: 27Q1 ’25Q2 ’25: 33Q3 ’25: 31Q4 ’25: 26Q1 ’26: 26Q1 ’26filingsflow.com
Total reported value
Q1 ’19: $12MQ1 ’19Q2 ’19: $12MQ3 ’19: $13MQ4 ’19: $18MQ1 ’20: $14MQ1 ’20Q2 ’20: $14MQ3 ’20: $14MQ4 ’20: $14MQ1 ’21: $14MQ1 ’21Q2 ’21: $14MQ3 ’21: $12MQ4 ’21: $14MQ1 ’22: $20MQ1 ’22Q2 ’22: $14MQ3 ’22: $10MQ4 ’22: $9MQ1 ’23: $8MQ1 ’23Q2 ’23: $6MQ3 ’23: $6MQ4 ’23: $6MQ1 ’24: $7MQ1 ’24Q2 ’24: $8MQ3 ’24: $14MQ4 ’24: $8MQ1 ’25: $9MQ1 ’25Q2 ’25: $8MQ3 ’25: $8MQ4 ’25: $6MQ1 ’26: $6MQ1 ’26filingsflow.com

Holders

··Mixed quarters
Manager% of PortfolioValueSharesQuarter
RENAISSANCE TECHNOLOGIES LLC$63.9B AUM0.00%$1M175.8KQ1 2026
GAMCO INVESTORS, INC. ET AL$10.2B AUM0.01%$1M164.4KQ1 2026
VANGUARD GROUP INC$6.90T AUM0.00%$926,440150.4KQ4 2025OLDER
VANGUARD CAPITAL MANAGEMENT LLC$4.04T AUM0.00%$850,894128.3KQ1 2026
DIMENSIONAL FUND ADVISORS LP$481.4B AUM0.00%$454,40768.5KQ1 2026
Teton Advisors, Inc.$164M AUM0.26%$431,63454.0KQ2 2025OLDER
Rodgers Brothers Inc.$866M AUM0.05%$426,12063.6KQ1 2026
Teton Advisors, LLC$142M AUM0.25%$360,19953.8KQ1 2026
PARTHENON LLC$875M AUM0.04%$339,26150.6KQ1 2026
GABELLI FUNDS LLC$14.8B AUM0.00%$254,60038.0KQ1 2026
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$242,76336.6KQ1 2026
NORTHERN TRUST CORP$756.6B AUM0.00%$151,45719.3KQ3 2025OLDER
UNITED CAPITAL FINANCIAL ADVISORS, LLC$16.3B AUM0.00%$134,46920.1KQ1 2026
CITADEL ADVISORS LLC$618.5B AUM0.00%$121,86815.3KQ2 2025OLDER
VANGUARD FIDUCIARY TRUST CO$396.1B AUM0.00%$121,85918.4KQ1 2026
FIRST MANHATTAN CO. LLC.$36.1B AUM0.00%$107,61516.1KQ1 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$106,87616.1KQ1 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC$5.0B AUM0.00%$89,28013.5KQ1 2026
BlackRock, Inc.$5.72T AUM0.00%$78,14911.7KQ1 2026
HighTower Advisors, LLC$94.2B AUM0.00%$72,93011.0KQ1 2026
Neuberger Berman Group LLC$131.4B AUM0.00%$63,79010.4KQ4 2025OLDER
Hikari Tsushin, Inc.$1.5B AUM0.00%$63,6509.5KQ1 2026
ESSEX INVESTMENT MANAGEMENT CO LLC$632M AUM0.01%$55,1177.0KQ3 2025OLDER
CALDWELL SUTTER CAPITAL, INC.$246M AUM0.01%$22,2713.3KQ1 2026
Vanguard Global Advisers, LLC$186.5B AUM0.00%$10,2571.5KQ1 2026
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$6,8541.0KQ1 2026
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$6,7021.0KQ1 2026
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$4,934801Q4 2025OLDER
UBS Group AG$666.3B AUM0.00%$3,276489Q1 2026
PRINCIPAL SECURITIES, INC.$6.8B AUM0.00%$2,782354Q3 2025OLDER
OSAIC HOLDINGS, INC.$68.3B AUM0.00%$2,010300Q1 2026
FMR LLC$1.90T AUM0.00%$1,335171Q3 2025OLDER
EverSource Wealth Advisors, LLC$3.3B AUM0.00%$1,313165Q2 2025OLDER
SBI Securities Co., Ltd.$3.6B AUM0.00%$898134Q1 2026
Advantage Trust Co$223M AUM0.00%$786100Q3 2025OLDER
JONES FINANCIAL COMPANIES LLLP$208.1B AUM0.00%$656100Q1 2026
MORGAN STANLEY$1.66T AUM0.00%$53780Q1 2026
BARCLAYS PLC$416.3B AUM0.00%$162Q3 2025OLDER
Ameritas Advisory Services, LLC$2.6B AUM0.00%$81Q2 2025OLDER
CONCOURSE FINANCIAL GROUP SECURITIES, INC.$0 AUM$00Q2 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.