United GuardianUG
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 28 institutions reported holding United Guardian Inc. (UG) in their 13F filings, up 2 from Q1 2026. 3 opened new positions and 1 sold out. The largest holders were Renaissance Technologies ($1.2M), GAMCO Investors ($1.2M) and Vanguard Capital Management LLC ($916K). 2 famous investors held it, including Mario Gabelli (0.0% of GAMCO Investors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- United Guardian Inc.
- CUSIP
- 910571108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $742 |
| Exits | 1 | $89K |
All 13F filers, Q1 2026 → Q2 2026: 11,370 shares bought and 31,117 shares sold, net −19,747 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 28 holders
| Renaissance Technologies | 0.00% | Reduce -5.1% | 166,766 | $1.2M |
| GAMCO Investors | 0.01% | No change | 164,388 | $1.2M |
| Vanguard Capital Management LLC | 0.00% | No change | 128,340 | $916K |
| Dimensional Fund Advisors LP | 0.00% | Add +6.8% | 73,170 | $522K |
| Rodgers Brothers Inc. | 0.04% | Reduce -6.3% | 59,600 | $426K |
| Teton Advisors, LLC | 0.22% | No change | 53,761 | $384K |
| Parthenon LLC | 0.04% | No change | 50,636 | $362K |
| Gabelli Funds LLC | 0.00% | No change | 38,000 | $271K |
| Geode Capital Management, LLC | 0.00% | Reduce -3.2% | 35,424 | $253K |
| United Capital Financial Advisors, LLC | 0.00% | No change | 20,070 | $143K |
| Vanguard Fiduciary Trust Co. | 0.00% | No change | 18,380 | $131K |
| Susquehanna International Group, LLP | 0.00% | Add +2.9% | 16,579 | $118K |
| BlackRock, Inc. | 0.00% | Add +26.1% | 14,714 | $105K |
| First Manhattan Co. Llc. | 0.00% | Reduce -18.7% | 13,062 | $93K |
| HighTower Advisors, LLC | 0.00% | No change | 11,000 | $79K |
| Hikari Tsushin, Inc. | 0.00% | No change | 9,500 | $68K |
| Caldwell Sutter Capital, Inc. | 0.01% | No change | 3,324 | $24K |
| UBS Group AG | 0.00% | Add +347.2% | 2,187 | $16K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 1,547 | $11K |
| Wells Fargo & Company | 0.00% | No change | 1,000 | $7K |
| Osaic Holdings, Inc. | 0.00% | Add +232.7% | 998 | $7K |
| Morgan Stanley | 0.00% | Add +875.0% | 780 | $6K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -45.8% | 555 | $4K |
| SBI Securities Co., Ltd. | 0.00% | Add +21.6% | 163 | $1K |
| Jones Financial Companies LLLP | 0.00% | No change | 100 | $716 |
| Advantage Trust Co | 0.00% | New | 100 | $714 |
| Barclays PLC | 0.00% | New | 2 | $14 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 2 | $14 |
"% of holder's portfolio" is UG's weight in each manager's 13F, not the share of United Guardian Inc. the manager owns.