United Guardian Inc (UG) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

4,557,874Shares Outstanding

261,696Shares held by institutions

$1,703,641Value of institutional holdings

20.62%Institutional ownership %

-2.92%Shares Changed QoQ

26No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 26 institutions have reported a stake in United Guardian Inc (NASDAQ:UG) as of December 2025, according to recent 13F filings with the SEC.

The collective stake of institutional investors in United Guardian moved to 20.6% in December 2025, a shift down from the 21.8% reported for September 2025.
The company experienced a -2.92% quarterly change in institutional shares held, alongside a decrease of 23.53% in total owners annually.
Of these 26 institutional investors, 6 increased their holdings in United Guardian, while 9 of them reduced positions, and 11 investors maintained their exposure.
The aggregate institutional position in United Guardian now stands at 939.95K shares as of December 2025, after investors decreased their holdings (down by 28.28K shares quarter on quarter which is down 90.12K shares year over year).
RENAISSANCE TECHNOLOGIES LLC's holding of 186.65K shares as of December 31, 2025 makes it the primary institutional investor in United Guardian, owning 4.10% of the stock.
Among the most significant buyers of United Guardian during December 2025 were SUSQUEHANNA INTERNATIONAL GROUP, LLP (4.56K), CALDWELL SUTTER CAPITAL, INC. (3.32K), GAMCO INVESTORS, INC. ET AL (3.00K), GEODE CAPITAL MANAGEMENT, LLC (2.69K), RENAISSANCE TECHNOLOGIES LLC (1.88K).
Leading sellers of United Guardian stock in December 2025 included UBS Group AG (21.24K), Neuberger Berman Group LLC (10.83K), Rodgers Brothers Inc. (8.42K), DIMENSIONAL FUND ADVISORS LP (2.59K), Tower Research Capital LLC (TRC) (502).
The top 10 institutional holders of United Guardian for the quarter ending December 2025 included RENAISSANCE TECHNOLOGIES LLC (186.65K), GAMCO INVESTORS, INC. ET AL (162.50K), VANGUARD GROUP INC (150.40K), DIMENSIONAL FUND ADVISORS LP (74.94K), Rodgers Brothers Inc. (73.85K), Teton Advisors, LLC (53.76K), PARTHENON LLC (50.64K), GABELLI FUNDS LLC (38.00K), GEODE CAPITAL MANAGEMENT, LLC (35.56K), UNITED CAPITAL FINANCIAL ADVISORS, LLC (20.07K).

26 Institutional Holders

261,696 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	186,645	1,882	1.02%	$1,149,733.00
GAMCO INVESTORS, INC. ET AL	31 Dec, 2025	162,500	3,000	1.88%	$1,001,000.00
VANGUARD GROUP INC	31 Dec, 2025	150,396	0	0.00%	$926,440.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	74,945	-2,590	-3.34%	$461,661.00
Rodgers Brothers Inc.	31 Dec, 2025	73,850	-8,416	-10.23%	$454,916.00
Teton Advisors, LLC	31 Dec, 2025	53,761	-200	-0.37%	$331,168.00
PARTHENON LLC	31 Dec, 2025	50,636	-273	-0.54%	$311,918.00
GABELLI FUNDS LLC	31 Dec, 2025	38,000	0	0.00%	$234,080.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	35,560	2,691	8.19%	$219,102.00
UNITED CAPITAL FINANCIAL ADVISORS, LLC	31 Dec, 2025	20,070	0	0.00%	$123,631.00
FIRST MANHATTAN CO. LLC.	31 Dec, 2025	17,062	0	0.00%	$105,102.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	14,583	4,559	45.48%	$89,831.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	13,466	0	0.00%	$82,951.00
HighTower Advisors, LLC	31 Dec, 2025	11,000	0	0.00%	$67,760.00
BlackRock, Inc.	31 Dec, 2025	10,962	324	3.05%	$67,525.00
Neuberger Berman Group LLC	31 Dec, 2025	10,355	-10,832	-51.13%	$63,790.00
Hikari Tsushin, Inc.	31 Dec, 2025	9,500	0	0.00%	$58,520.00
CALDWELL SUTTER CAPITAL, INC.	31 Dec, 2025	3,324	3,324	0.00%	$20,476.00
WELLS FARGO & COMPANY/MN	31 Dec, 2025	1,001	0	0.00%	$6,164.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	801	0	0.00%	$4,934.00

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