United States Lime & Minerals
Mines and processes limestone for regional construction, environmental, steel, and industrial markets.
$119.96
After-hours close−0.03 (−0.03%)
At close$119.99(+0.28%)
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Breakdown13F · Form 4
Institutions 37.22%10.68M sharesInsiders 0.85%242.5K sharesOther 61.93%17.77M shares
Shares outstanding 28.69M · Float 10.74M · 37.4% free float
Institutions13F, as of Jun 30, 2026
236 holders · 10.68M shares · 45 new positions · 140 increased · 64 reduced · 50 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 1.67M | 5.81% | +802.9K | Aug 7, 2026 |
| Dimensional Fund Advisors LP | 759.8K | 2.65% | +12.2K | Aug 11, 2026 |
| Renaissance Technologies LLC | 609.0K | 2.12% | −5.5K | Aug 13, 2026 |
| First Trust Advisors LP | 488.3K | 1.70% | +46.4K | Aug 11, 2026 |
| Vanguard Capital Management LLC | 457.7K | 1.60% | +1.2K | Aug 13, 2026 |
| Vanguard Portfolio Management LLC | 424.5K | 1.48% | +93.9K | Aug 13, 2026 |
| State Street Corp | 419.5K | 1.46% | +183.9K | Aug 7, 2026 |
| Geode Capital Management, LLC | 382.6K | 1.33% | +28.6K | Aug 12, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 5.60% | 1.62M | 13G | Jul 30, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Antoine M. Doumet | director | 110.0K | 0.38% | Mar 18, 2026 |
| Timothy W. Byrne | director, officer: President & CEO | 67.2K | 0.23% | Jan 2, 2026 |
| Richard W. Cardin | director | 17.0K | 0.06% | May 4, 2026 |
| Tom S. Jr Hawkins | director | 11.5K | 0.04% | May 5, 2026 |
| Nathan O'Neill | officer: Vice President | 7.7K | 0.03% | Feb 4, 2026 |
| Michael L. Wiedemer | officer: Vice President | 6.4K | 0.02% | Feb 4, 2026 |
| John J. Gagnon | officer: Vice President | 5.9K | 0.02% | Feb 4, 2026 |
| Timothy Wade Stone | officer: Vice President | 4.8K | 0.02% | Feb 4, 2026 |
| Lila R. Weirich | director | 4.2K | 0.01% | May 4, 2026 |
| Jon A. Wolkenstein | director | 4.2K | 0.01% | May 4, 2026 |
2 ten-percent owners hold 20.83M shares by Form 4, outside the officers-and-directors figure above · 8 people have not refiled in the last 18 months (17.98M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Mar 3, 2026 | Sandra C. Duhedirector | Sale | 1,277 | $120.45 | 2,254 |
| Sep 4, 2025 | Timothy W. Byrnedirector, officer: President & CEO | Sale · 2 lots | 12,100 | $119.50 | 86,432 |
| Sep 3, 2025 | Timothy W. Byrnedirector, officer: President & CEO | Sale · 2 lots | 27,425 | $121.05 | 98,532 |
CongressHouse and Senate disclosures
Not reported.