CUSIP: 57055L206 | NYSE | Healthcare · Biotechnology | Micro Cap | 70 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/ANew Enterprise Associates 16, L.P. | 1,670,081 | 9.9% | New 5%+ stake | Nov 13, 2025 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 139,816 | $149.6K | 0.0% | Index | Very Low | Boston, MA | 2026-11-06 | |
| 67,963 | $72.7K | 0.0% | Growth | Medium | Tampa, FL | 2026-10-16 | |
| 17,312 | $18.5K | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 16,400 | $17.5K | 0.0% | Core | Medium | Scottsdale, AZ | 2026-11-03 | |
| 10,000 | $10.7K | 0.0% | Index | Very Low | Cincinnati, OH | 2026-11-05 | |
| 534 | $571 | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 228 | $244 | 0.0% | Index | Low | Atlanta, GA | 2026-10-23 | |
| 202 | $216 | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 73 | $78 | 0.0% | Core | Low | Casper, WY | 2026-10-14 | |
| 40 | $43 | 0.0% | Core | Low | Pittston, PA | 2026-11-05 | |
| 10 | $11 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 |