United GuardianUG
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 32 institutions reported holding United Guardian Inc. (UG) in their 13F filings, up 1 from Q1 2025. 3 opened new positions and 2 sold out. The largest holders were Renaissance Technologies ($1.5M), GAMCO Investors ($1.3M) and Vanguard Group Inc. ($1.2M). 3 famous investors held it, including Mario Gabelli (0.0% of GAMCO Investors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- United Guardian Inc.
- CUSIP
- 910571108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $2K |
| Exits | 2 | $15K |
All 13F filers, Q1 2025 → Q2 2025: 20,107 shares bought and 14,215 shares sold, net +5,892 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 32 holders
| Renaissance Technologies | 0.00% | Reduce -0.5% | 187,963 | $1.5M |
| GAMCO Investors | 0.01% | Add +1.3% | 159,500 | $1.3M |
| Vanguard Group Inc. | 0.00% | No change | 150,396 | $1.2M |
| Rodgers Brothers Inc. | 0.09% | Reduce -4.1% | 89,766 | $718K |
| Dimensional Fund Advisors LP | 0.00% | Add +0.1% | 76,927 | $612K |
| Teton Advisors, Inc. | 0.27% | Reduce -0.4% | 53,961 | $432K |
| Parthenon LLC | 0.05% | No change | 51,909 | $415K |
| Gabelli Funds LLC | 0.00% | No change | 38,000 | $304K |
| Geode Capital Management, LLC | 0.00% | Reduce -0.7% | 32,604 | $260K |
| UBS Group AG | 0.00% | Add +18.9% | 29,753 | $238K |
| Neuberger Berman Group LLC | 0.00% | Reduce -19.6% | 24,872 | $199K |
| Northern Trust Corp. | 0.00% | Add +0.8% | 24,350 | $195K |
| United Capital Financial Advisors, LLC | 0.00% | No change | 20,070 | $161K |
| Susquehanna International Group, LLP | 0.00% | Add +69.0% | 18,476 | $147K |
| First Manhattan Co. Llc. | 0.00% | No change | 17,062 | $136K |
| Citadel Advisors | 0.00% | Add +40.1% | 15,310 | $122K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 13,466 | $107K |
| HighTower Advisors, LLC | 0.00% | No change | 11,000 | $88K |
| BlackRock, Inc. | 0.00% | Reduce -7.7% | 10,422 | $83K |
| Essex Investment Management Co. LLC | 0.01% | Reduce -1.2% | 7,013 | $56K |
| Wells Fargo & Company | 0.00% | No change | 1,001 | $8K |
| Bank of America Corp. | 0.00% | Add +3208.0% | 827 | $7K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +5.2% | 443 | $4K |
| Osaic Holdings, Inc. | 0.00% | No change | 300 | $2K |
| FMR LLC | 0.00% | No change | 171 | $1K |
| EverSource Wealth Advisors, LLC | 0.00% | New | 165 | $1K |
| SBI Securities Co., Ltd. | 0.00% | Add +17.2% | 136 | $1K |
| Principal Securities, Inc. | 0.00% | Add +1600.0% | 119 | $952 |
| Jones Financial Companies LLLP | 0.00% | No change | 100 | $815 |
| Advantage Trust Co | 0.00% | New | 100 | $800 |
| Morgan Stanley | 0.00% | Reduce -67.3% | 80 | $645 |
| Ameritas Advisory Services, LLC | 0.00% | New | 1 | $8 |
"% of holder's portfolio" is UG's weight in each manager's 13F, not the share of United Guardian Inc. the manager owns.