CUSIP: 574795100 | NYSE | Healthcare · Medical Devices | Mid Cap | 1641 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 |
|---|---|---|---|---|---|
| 13G/APentwater Capital Management LP | 0 | 0.0% | No shares held | Jun 30, 2026 | No 13F filer matched |
| 13D/APolitan Capital Management LP | 0 | 0.0% | Fell below 5% | Jun 10, 2026 | 71d ahead of 13F (4,589,648 sh) · −4,589,648 |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 88 | $15.8K | 0.0% | Growth | Low | Tampa, FL | 2026-07-20 | |
| 2 | $360 | 0.0% | Growth | Low | Columbus, OH | 2026-08-13 |