Institutional HoldersBeta

Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

UNITED GUARDIAN INC

CIK 0000101295UG· quarter ending 2026-06-30

Shares outstanding

4,594,319

as of 2026-08-03 · 10-Q cover page, filed 2026-08-11

Held by 13F filers

884,148

19.2% of shares outstanding

Holders

+2 vs 2026-03-31 · 3 new, 1 exited

Value

$6.3M

shares -2.2% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-11, as of 2026-08-03)

Class	Listed	Shares outstanding	Held by 13F filers	% of class	Holders	CUSIP
Common stock	UG · NASDAQ	4,594,319	884,148	19.2%	28	910571108

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine

Count	CUSIP	Class (as filers write it)	Holders	Shares held	Class shares	% of class	Value	Options	Mapped via
	910571108	COM	28	884,148	4,594,319	19.2%	$6.3M	—	NPORT	holders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings.

Top holders (28 of 28 · 910571108)

change vs 2026-03-31

#	Filer	Shares	% of class	Value	Change
1	RENAISSANCE TECHNOLOGIES LLC	166,766	3.63%	$1.2M	-9,000 (-5.1%)
2	GAMCO INVESTORS, INC. ET AL	164,388	3.58%	$1.2M	—
3	VANGUARD CAPITAL MANAGEMENT LLC	128,340	2.79%	$916K	—
4	DIMENSIONAL FUND ADVISORS LP	73,170	1.59%	$522K	+4,632 (+6.8%)
5	Rodgers Brothers Inc.	59,600	1.30%	$426K	-4,000 (-6.3%)
6	Teton Advisors, LLC	53,761	1.17%	$384K	—
7	PARTHENON LLC	50,636	1.10%	$362K	—
8	GABELLI FUNDS LLC	38,000	0.83%	$271K	—
9	GEODE CAPITAL MANAGEMENT, LLC	35,424	0.77%	$253K	-1,183 (-3.2%)
10	UNITED CAPITAL FINANCIAL ADVISORS, LLC	20,070	0.44%	$143K	—
11	VANGUARD FIDUCIARY TRUST CO	18,380	0.40%	$131K	—
12	SUSQUEHANNA INTERNATIONAL GROUP, LLP	16,579	0.36%	$118K	+459 (+2.8%)
13	BlackRock, Inc.	14,714	0.32%	$105K	+3,050 (+26.1%)
14	FIRST MANHATTAN CO. LLC.	13,062	0.28%	$93K	-3,000 (-18.7%)
15	HighTower Advisors, LLC	11,000	0.24%	$79K	—
16	Hikari Tsushin, Inc.	9,500	0.21%	$68K	—
17	CALDWELL SUTTER CAPITAL, INC.	3,324	0.07%	$24K	—
18	UBS Group AG	2,187	0.05%	$16K	+1,698 (+347.2%)
19	Vanguard Global Advisers, LLC	1,547	0.03%	$11K	—
20	WELLS FARGO & COMPANY/MN	1,000	0.02%	$7K	—
21	OSAIC HOLDINGS, INC.	998	0.02%	$7K	+698 (+232.7%)
22	MORGAN STANLEY	780	0.02%	$6K	+700 (+875.0%)
23	Tower Research Capital LLC (TRC)	555	0.01%	$4K	-468 (-45.7%)
24	SBI Securities Co., Ltd.	163	0.00%	$1K	+29 (+21.6%)
25	JONES FINANCIAL COMPANIES LLLP	100	0.00%	$716	—
26	Advantage Trust Co	100	0.00%	$714	NEW
27	BARCLAYS PLC	2	0.00%	$14	NEW
28	Caitong International Asset Management Co., Ltd	2	0.00%	$14	NEW

Exited since 2026-03-31 (1 filers; largest 1 shown)

BRIDGEWAY CAPITAL MANAGEMENT, LLC

−13,466

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

No structured 13D/13G filings (XML filings began Dec 2024).

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.