UG
United Guardian IncCompany with tickers: UG
CIK
101295
CUSIP
910571108
Shares Outstanding
4,594,319
13F Activity (30d)
19 filings
17 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 26
Total Value: $6,056,087
Total Shares: 903,895
Institutional Ownership Trend
25 quarters
Superinvestors Holding UG
All superinvestors →Holder Concentration
Across 26 13F filers · Δ vs Dec 31, 2025Top Holder
19.4%
−0.4 pts
Top 5
66.4%
−2.5 pts
Top 10
88.5%
−1.6 pts
HHI
1,140
Broadly held−44
Quarterly Activity
vs Dec 31, 2025
New
3
Increased
7
Decreased
5
Sold Out
3
Unchanged
11
Holder count:
0
Institutional value:
+4.6%
Shares held:
-3.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mid GAMCO INVESTORS, INC. ET AL | +1,888 | 164,388 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | +1,537 | 16,120 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +1,047 | 36,607 | |
| Mega BlackRock, Inc. | +702 | 11,664 | |
| Mid Tower Research Capital LLC (TRC) | +432 | 1,023 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | −10,879 | 175,766 | |
| Small Rodgers Brothers Inc. | −10,250 | 63,600 | |
| Mega DIMENSIONAL FUND ADVISORS LP | −6,407 | 68,538 | |
| Large FIRST MANHATTAN CO. LLC. | −1,000 | 16,062 | |
| Mega WELLS FARGO & COMPANY/MN | −1 | 1,000 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD CAPITAL MANAGEMENT LLC | 128,340 | $859,878 | |
| Mega VANGUARD FIDUCIARY TRUST CO | 18,380 | $123,146 | |
| Mega Vanguard Global Advisers, LLC | 1,547 | $10,364 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mega VANGUARD GROUP INC | 150,396 | $926,438 | |
| Mega NEUBERGER BERMAN GROUP LLC | 10,355 | $63,786 | |
| Mega BANK OF AMERICA CORP /DE/ | 801 | $4,933 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Large RENAISSANCE TECHNOLOGIES LLC | $1,177,632 | 19.45% | 175,766 | Shares | Sole | 2026-05-14 | ||||
| Mid GAMCO INVESTORS, INC. ET AL | $1,101,399 | 18.19% | 164,388 | Shares | Sole | 2026-05-14 | ||||
| Mega VANGUARD CAPITAL MANAGEMENT LLC | $859,878 | 14.20% | 128,340 | Shares | Defined | 2026-05-15 | ||||
| Mega DIMENSIONAL FUND ADVISORS LP | $459,204 | 7.58% | 68,538 | Shares | Sole | 2026-05-07 | ||||
| Small Rodgers Brothers Inc. | $426,120 | 7.04% | 63,600 | Shares | Sole | 2026-05-14 | ||||
| Small Teton Advisors, LLC | $360,198 | 5.95% | 53,761 | Shares | Sole | 2026-05-14 | ||||
| Small PARTHENON LLC | $339,261 | 5.60% | 50,636 | Shares | Sole | 2026-04-28 | ||||
| Large GABELLI FUNDS LLC | $254,600 | 4.20% | 38,000 | Shares | Sole | 2026-05-14 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $245,266 | 4.05% | 36,607 | Shares | Defined | 2026-05-15 | ||||
| Mid UNITED CAPITAL FINANCIAL ADVISORS, LLC | $134,469 | 2.22% | 20,070 | Shares | Defined | 2026-05-15 | ||||
| Mega VANGUARD FIDUCIARY TRUST CO Bank | $123,146 | 2.03% | 18,380 | Shares | Defined | 2026-05-08 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $108,004 | 1.78% | 16,120 | Shares | Other | 2026-05-15 | ||||
| Large FIRST MANHATTAN CO. LLC. | $107,615 | 1.78% | 16,062 | Shares | Sole | 2026-05-15 | ||||
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC | $90,222 | 1.49% | 13,466 | Shares | Sole | 2026-05-15 | ||||
| Mega BlackRock, Inc. | $78,147 | 1.29% | 11,664 | Shares | Sole | 2026-05-13 | ||||
| Large HighTower Advisors, LLC | $73,700 | 1.22% | 11,000 | Shares | Sole | 2026-05-05 | ||||
| Small Hikari Tsushin, Inc. | $63,650 | 1.05% | 9,500 | Shares | Defined | 2026-05-13 | ||||
| Small CALDWELL SUTTER CAPITAL, INC. | $22,270 | 0.37% | 3,324 | Shares | Sole | 2026-05-06 | ||||
| Mega Vanguard Global Advisers, LLC | $10,364 | 0.17% | 1,547 | Shares | Defined | 2026-05-08 | ||||
| Mid Tower Research Capital LLC (TRC) | $6,854 | 0.11% | 1,023 | Shares | Defined | 2026-05-15 | ||||
| Mega WELLS FARGO & COMPANY/MN | $6,700 | 0.11% | 1,000 | Shares | Defined | 2026-05-11 | ||||
| Mega UBS Group AG | $3,276 | 0.05% | 489 | Shares | Defined | 2026-05-05 | ||||
| Large OSAIC HOLDINGS, INC. | $2,010 | 0.03% | 300 | Shares | Defined | 2026-05-15 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $897 | 0.01% | 134 | Shares | Defined | 2026-04-28 | ||||
| Large JONES FINANCIAL COMPANIES LLLP | $670 | 0.01% | 100 | Shares | Sole | 2026-05-15 | ||||
| Mega MORGAN STANLEY | $535 | 0.01% | 80 | Shares | Defined | 2026-05-15 | ||||
| No holders match your search. | ||||||||||