United GuardianUG
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 33 institutions reported holding United Guardian Inc. (UG) in their 13F filings, up 2 from Q3 2024. 3 opened new positions and 2 sold out. The largest holders were Renaissance Technologies ($1.8M), GAMCO Investors ($1.5M) and Vanguard Group Inc. ($1.3M). 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 Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $436K |
| Exits | 2 | $347K |
All 13F filers, Q3 2024 → Q4 2024: 66,870 shares bought and 42,471 shares sold, net +24,399 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 33 holders
| Renaissance Technologies | 0.00% | Add +4.3% | 190,163 | $1.8M |
| GAMCO Investors | 0.02% | No change | 158,500 | $1.5M |
| Vanguard Group Inc. | 0.00% | No change | 137,356 | $1.3M |
| Rodgers Brothers Inc. | 0.12% | Reduce -2.5% | 95,377 | $912K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -2.9% | 74,994 | $724K |
| Teton Advisors, Inc. | 0.27% | Reduce -1.1% | 54,161 | $518K |
| Parthenon LLC | 0.06% | No change | 51,909 | $496K |
| Gabelli Funds LLC | 0.00% | No change | 38,000 | $363K |
| Neuberger Berman Group LLC | 0.00% | Reduce -22.8% | 37,260 | $356K |
| Geode Capital Management, LLC | 0.00% | Add +10.3% | 31,264 | $302K |
| Northern Trust Corp. | 0.00% | Add +69.5% | 25,527 | $244K |
| UBS Group AG | 0.00% | Reduce -12.2% | 21,872 | $209K |
| United Capital Financial Advisors, LLC | 0.00% | New | 20,070 | $192K |
| First Manhattan Co. Llc. | 0.00% | No change | 17,062 | $163K |
| Heron Bay Capital Management | 0.03% | New | 13,966 | $135K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 13,466 | $130K |
| BlackRock, Inc. | 0.00% | Add +0.6% | 11,840 | $113K |
| Citadel Advisors | 0.00% | New | 11,373 | $110K |
| HighTower Advisors, LLC | 0.00% | No change | 11,000 | $106K |
| Essex Investment Management Co. LLC | 0.01% | Reduce -10.4% | 7,104 | $68K |
| Wells Fargo & Company | 0.00% | No change | 4,501 | $43K |
| Hillsdale Investment Management Inc. | 0.00% | No change | 1,714 | $16K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +73.8% | 464 | $4K |
| Osaic Holdings, Inc. | 0.00% | No change | 300 | $3K |
| FMR LLC | 0.00% | No change | 261 | $3K |
| Morgan Stanley | 0.00% | Reduce -55.0% | 247 | $2K |
| SBI Securities Co., Ltd. | 0.00% | — | 117 | $1K |
| Jones Financial Companies LLLP | 0.00% | No change | 100 | $965 |
| Brown Brothers Harriman & Co. | 0.00% | No change | 39 | $376 |
| Bank of America Corp. | 0.00% | Reduce -20.0% | 24 | $229 |
| JPMorgan Chase & Co. | 0.00% | No change | 7 | $68 |
| Principal Securities, Inc. | 0.00% | Reduce -94.8% | 7 | $67 |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 30 | $0 |
"% of holder's portfolio" is UG's weight in each manager's 13F, not the share of United Guardian Inc. the manager owns.