CUSIP: 56600D107 | NYSE | Healthcare · Biotechnology | Small Cap | 684 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 |
|---|---|---|---|---|---|
| 13GMillennium Group Management LLC | 7,773,149 | 5.2% | New 5%+ stake | Sep 22, 2026 | No 13F filer matched |
| 13G/AStuart Feldman with JD Squared Holdings II LLC, JD Squared Capital II LLC, Hudson View Holdings LLC, +3 more | 3,674,120 | 2.5% | Newly reported | Jun 30, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 1,716,193 | $13.1M | 0.8% | Core | Low | New York, NY | 2026-11-02 | |
| 1,344,680 | $10.3M | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 358,973 | $2.7M | 0.0% | Core | Low | New York, NY | 2026-11-05 | |
| 353,266 | $2.7M | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 182,066 | $1.4M | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 167,399 | $1.3M | 0.0% | Value | Very High | Hong Kong, South Korea | 2026-10-16 | |
| 150,700 | $1.2M | 0.0% | Core | Medium | Columbus, OH | 2026-10-30 | |
| 52,629 | $403.1K | 0.0% | Index | Very Low | Tokyo, Mexico | 2026-11-05 | |
| 37,430 | $283.3K | 0.1% | Core | Medium | Del Mar, CA | 2026-11-04 | |
| 30,120 | $230.7K | 0.0% | Index | Very Low | Phoenix, AZ | 2026-11-03 | |
| 27,185 | $208.0K | 0.0% | Growth | Medium | Shanghai, France | 2026-10-28 | |
| 23,942 | $183.4K | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 19,329 | $148.1K | 0.0% | Growth | Low | Bethesda, MD | 2026-10-29 | |
| 17,934 | $137.9K | 0.0% | Growth | Medium | Strassen, Netherlands | 2026-11-03 | |
| 16,654 | $127.6K | 0.0% | Core | Low | New York, NY | 2026-11-03 | |
| 16,447 | $126.0K | 0.0% | Value | High | Cheyenne, WY | 2026-10-28 | |
| 14,561 | $111.5K | 0.0% | Index | Low | Minneapolis, MN | 2026-11-05 | |
| 14,369 | $110.1K | 0.0% | Growth | Very Low | Seattle, WA | 2026-10-27 | |
| 12,172 | $93.2K | 0.0% | Index | Low | Atlanta, GA | 2026-10-23 | |
| 11,884 | $91.0K | 0.0% | Core | Medium | Baton Rouge, LA | 2026-10-19 | |
| 11,390 | $87 | 0.0% | Core | Low | Frankfurt, Hong Kong | 2026-10-27 | |
| 10,633 | $81.4K | 0.0% | Index | Very Low | Philadelphia, PA | 2026-11-03 | |
| 10,156 | $77.8K | 0.0% | Growth | Medium | Carouge, Switzerland | 2026-11-03 | |
| 7,614 | $58.3K | 0.0% | Growth | Low | Seoul, Malaysia | 2026-11-03 | |
| 7,220 | $55.3K | 0.0% | GARP | Low | Mansfield, OH | 2026-10-27 | |
| 6,205 | $47 | 0.0% | Core | Very Low | Juneau, AK | 2026-10-15 | |
| 5,568 | $42.7K | 0.0% | Growth | Medium | Oklahoma City, OK | 2026-10-28 | |
| 4,135 | $31.7K | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 3,649 | $28.0K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 3,563 | $27.3K | 0.0% | Core | Very High | New York, NY | 2026-11-05 | |
| 3,376 | $25.9K | 0.0% | Agg Growth | Medium | Guangzhou, France | 2026-10-26 | |
| 2,196 | $16.8K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 2,000 | $15 | 0.0% | Growth | Very High | New York, NY | 2026-10-16 | |
| 2,000 | $15.3K | 0.0% | ETF | Very Low | Charleston, SC | 2026-11-05 | |
| 1,808 | $13.8K | 0.0% | Growth | Low | St Louis, MO | 2026-11-05 | |
| 1,703 | $13 | 0.0% | Value | High | London, United Kingdom | 2026-10-30 | |
| 1,166 | $8.9K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 1,078 | $8.3K | 0.0% | Core | Very High | Chicago, IL | 2026-11-04 | |
| 1,024 | $7.8K | 0.0% | Index | Very Low | Cincinnati, OH | 2026-11-05 | |
| 808 | $6.2K | 0.0% | ETF | Low | Granite Bay, CA | 2026-10-16 | |
| 780 | $6.0K | 0.0% | Index | Low | Greenwood Village, CO | 2026-10-20 | |
| 638 | $5 | 0.0% | Value | High | Chicago, IL | 2026-10-22 | |
| 424 | $3.2K | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 361 | $2.8K | 0.0% | Core | High | Zurich, Switzerland | 2026-10-29 | |
| 311 | $2.4K | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 280 | $2.1K | 0.0% | Core | Medium | Orchard Park, NY | 2026-11-05 | |
| 269 | $2.1K | 0.0% | Index | Low | San Francisco, CA | 2026-11-03 | |
| 146 | $1.1K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 128 | $981 | 0.0% | ETF | Medium | Midvale, UT | 2026-10-20 | |
| 120 | $919 | 0.0% | ETF | Low | Dallas, TX | 2026-11-03 | |
| 60 | $459 | 0.0% | Agg Growth | Low | Dallas, TX | 2026-11-03 | |
| 9 | $69 | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 |