United Guardian Inc (NASDAQ:UG) currently has 8 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | 30 Sep, 2025 | 184,763 | -3,200 | -1.70% | $1,452,108.00 |
| GAMCO INVESTORS, INC. ET AL | 30 Sep, 2025 | 159,500 | 0 | 0.00% | $1,253,558.00 |
| VANGUARD GROUP INC | 30 Sep, 2025 | 150,396 | 0 | 0.00% | $1,173,089.00 |
| Rodgers Brothers Inc. | 30 Sep, 2025 | 82,266 | -7,500 | -8.36% | $646,553.00 |
| DIMENSIONAL FUND ADVISORS LP | 30 Sep, 2025 | 77,535 | 608 | 0.79% | $604,773.00 |
| Teton Advisors, LLC | 30 Sep, 2025 | 53,961 | 53,961 | 0.00% | $424,096.00 |
| PARTHENON LLC | 30 Sep, 2025 | 50,909 | -1,000 | -1.93% | $400,109.00 |
| GABELLI FUNDS LLC | 30 Sep, 2025 | 38,000 | 0 | 0.00% | $298,653.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 32,869 | 265 | 0.81% | $256,448.00 |
| UBS Group AG | 30 Sep, 2025 | 21,577 | -8,176 | -27.48% | $169,573.00 |
| Neuberger Berman Group LLC | 30 Sep, 2025 | 21,187 | -3,685 | -14.82% | $166,519.00 |
| UNITED CAPITAL FINANCIAL ADVISORS, LLC | 30 Sep, 2025 | 20,070 | 0 | 0.00% | $157,736.00 |
| NORTHERN TRUST CORP | 30 Sep, 2025 | 19,271 | -5,079 | -20.86% | $151,457.00 |
| FIRST MANHATTAN CO. LLC. | 30 Sep, 2025 | 17,062 | 0 | 0.00% | $134,095.00 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 13,466 | 0 | 0.00% | $105,035.00 |
| HighTower Advisors, LLC | 30 Sep, 2025 | 11,000 | 0 | 0.00% | $85,800.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 10,638 | 216 | 2.07% | $83,607.00 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 30 Sep, 2025 | 10,024 | -8,452 | -45.75% | $78,187.00 |
| Hikari Tsushin, Inc. | 30 Sep, 2025 | 9,500 | 9,500 | 0.00% | $74,663.00 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 30 Sep, 2025 | 7,013 | 0 | 0.00% | $55,117.00 |