CUSIP: 85916J409 | NYSE | Healthcare · Medical Instruments & Supplies | Micro Cap | 305 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 |
|---|---|---|---|---|---|
| 13GDaniel Louis Kaufman | 5,956,714 | 5.9% | New 5%+ stake | Aug 12, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 1,131,371 | $1.4M | 0.2% | Yield | High | Winnetka, IL | 2026-11-02 | |
| 699,023 | $859.8K | 0.0% | ETF | Medium | Urbandale, IA | 2026-10-29 | |
| 600,000 | $738.0K | 0.7% | Core | High | San Juan, PR | 2026-11-03 | |
| 540,530 | $664.9K | 0.0% | Growth | Medium | Zurich, Switzerland | 2026-10-29 | |
| 237,495 | $292.1K | 0.0% | Deep Value | Medium | Tulsa, OK | 2026-10-30 | |
| 74,994 | $92.6K | 0.0% | Core | High | Zurich, Switzerland | 2026-10-29 | |
| 41,015 | $50.4K | 0.0% | Growth | Medium | Laguna Niguel, CA | 2026-10-20 | |
| 28,027 | $34.5K | 0.0% | Growth | Low | Englewood, CO | 2026-10-14 | |
| 26,618 | $32.7K | 0.0% | ETF | Low | Lombard, IL | 2026-10-16 | |
| 21,688 | $26.7K | 0.0% | Index | Low | Rockford, IL | 2026-10-28 | |
| 17,950 | $22.1K | 0.0% | ETF | Low | Atlanta, GA | 2026-10-07 | |
| 13,665 | $16.8K | 0.0% | Core | Medium | Omaha, NE | 2026-10-15 | |
| 10,500 | $12.9K | 0.0% | Core | Very Low | Redding, CT | 2026-10-22 | |
| 4,157 | $5.1K | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 3,379 | $4.2K | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 2,794 | $3.4K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 2,652 | $3.3K | 0.0% | ETF | Very Low | Orinda, CA | 2026-10-29 | |
| 2,236 | $2.8K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 2,214 | $2.7K | 0.0% | ETF | Very Low | Gap, PA | 2026-11-04 | |
| 1,500 | $1.8K | 0.0% | Core | Very Low | Decatur, IL | 2026-10-01 | |
| 1,364 | $1.7K | 0.0% | Core | Very High | Chicago, IL | 2026-11-04 | |
| 1,000 | $1 | 0.0% | ETF | Low | The Woodlands, TX | 2026-11-04 | |
| 550 | $677 | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 177 | $218 | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 132 | $162 | 0.0% | ETF | Very Low | East Dundee, IL | 2026-10-16 | |
| 100 | $123 | 0.0% | ETF | Very Low | O'Fallon, IL | 2026-10-19 | |
| 66 | $81 | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 24 | $30 | 0.0% | Growth | Low | Tampa, FL | 2026-10-16 | |
| 9 | $11 | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 7 | $9 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 7 | $9 | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 |