CUSIP: 57777K106 | NYSE | Healthcare · Medical Devices | Micro Cap | 326 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 |
|---|---|---|---|---|---|
| 13DLiontrust Investment Partners LLP | 5,081,403 | 4.9% | −112,919 | Oct 30, 2026 | Not yet in a 13F |
| 13DRiver & Mercantile Asset Management LLP | 834,100 | 0.8% | −5,694,927 | Jul 31, 2026 | 577d ahead of 13F (3,253,192 sh) · −2,419,092 |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 8,200,000 | $9.2M | 0.9% | GARP | Very High | London, United Kingdom | 2026-11-03 | |
| 1,980,392 | $2.2M | 1.7% | Deep Value | Medium | Bedford Hills, NY | 2026-10-22 | |
| 1,564,570 | $1.8M | 0.2% | GARP | High | London, United Kingdom | 2026-10-28 | |
| 862,758 | $966.3K | 0.0% | Core | Low | Gainesville, GA | 2026-10-20 | |
| 242,131 | $271.7K | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 66,315 | $74.3K | 0.0% | Core | Medium | El Segundo, CA | 2026-11-04 | |
| 62,518 | $70.0K | 0.0% | Core | Medium | Toronto Ontario, Australia | 2026-11-02 | |
| 25,833 | $28.9K | 0.0% | ETF | Very Low | Overland Park, KS | 2026-10-07 | |
| 11,626 | $11.9K | 0.0% | Core | Low | Plymouth, MN | 2026-10-13 | |
| 11,574 | $13.0K | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 5,702 | $6.4K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 4,000 | $5 | 0.0% | Momentum | Medium | London, United Kingdom | 2026-10-30 | |
| 1,599 | $1.8K | 0.0% | ETF | Very Low | Gap, PA | 2026-11-04 | |
| 1,085 | $1.2K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 724 | $811 | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 597 | $669 | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 343 | $384 | 0.0% | Core | Very High | Chicago, IL | 2026-11-04 | |
| 185 | $207 | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 65 | $73 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 58 | $65 | 0.0% | ETF | Low | Fort Lauderdale, FL | 2026-10-30 | |
| 40 | $45 | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 24 | $27 | 0.0% | Growth | Low | Tampa, FL | 2026-10-16 | |
| 23 | $26 | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 21 | $24 | 0.0% | ETF | Medium | Akron, OH | 2026-10-13 | |
| 15 | $17 | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 |