CUSIP: 832156103 | NYSE | Basic Materials · Building Materials | Micro Cap | 127 institutional holders
5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.
| Holder | Shares | % of Class | Change | Event Date | vs 13F |
|---|---|---|---|---|---|
| 13D/AThompson Davis & Co., Inc. | 1,897,280 | 35.4% | New 5%+ stake | Oct 2, 2026 | 1,896,481 sh (Sep 30, 2026) |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 1,896,481 | $43.2M | 29.0% | Core | Medium | Richmond, VA | 2026-11-05 | |
| 89,075 | $2.0M | 0.0% | Index | Very Low | Boston, MA | 2026-11-06 | |
| 51,828 | $1.2M | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 38,268 | $873 | 0.0% | Core | Very Low | Bethesda, MD | 2026-10-29 | |
| 22,642 | $516.2K | 0.0% | Core | Low | Seattle, WA | 2026-11-06 | |
| 10,478 | $238.9K | 0.0% | Core | Low | New York, NY | 2026-11-05 | |
| 10,000 | $228.0K | 0.1% | Core | Very Low | Dublin, OH | 2026-10-20 | |
| 9,502 | $216.6K | 0.1% | Core | Very Low | Dallas, TX | 2026-10-14 | |
| 2,429 | $55.4K | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 1,793 | $40.9K | 0.0% | Core | Medium | Frankfurt Am Main, Hong Kong | 2026-11-06 | |
| 1,098 | $25.0K | 0.0% | Core | Medium | London, United Kingdom | 2026-11-06 | |
| 330 | $7.5K | 0.0% | Growth | Low | Saratoga Springs, NY | 2026-10-14 | |
| 149 | $3.4K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 92 | $2.1K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 28 | $638 | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 3 | $68 | 0.0% | ETF | Medium | Encinitas, CA | 2026-10-21 | |
| 2 | $46 | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 1 | $29 | 0.0% | Index | Low | Folsom, CA | 2026-11-06 |