CUSIP: 58450V104 | NYSE | Communication Services · Internet Content & Information | Small Cap | 410 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/AWhite Mountains Insurance Group LTD with WM Hinson (Bermuda) Ltd. | 17,856,614 | 35.1% | Unchanged | Oct 28, 2026 | 120d ahead of 13F (17,856,614 sh) · no change |
| 13D/AEugene Nonko with O.N.E. Holdings, LLC | 5,198,121 | 9.8% | New 5%+ stake | Aug 25, 2026 | No 13F filer matched |
| 13GDivisadero Street Capital, LLC with Divisadero Street Partners GP, LLC, Divisadero Street Partners, L.P. | 3,128,988 | 5.8% | New 5%+ stake | Jul 21, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 702,291 | $6.7M | 0.0% | Index | Low | Austin, TX | 2026-11-04 | |
| 324,382 | $3.1M | 4.1% | Deep Value | Medium | Newport Beach, CA | 2026-10-13 | |
| 167,185 | $1.6M | 0.0% | Value | Very High | Hong Kong, South Korea | 2026-10-16 | |
| 81,316 | $778.2K | 0.0% | Core | Low | New York, NY | 2026-11-05 | |
| 56,352 | $539.3K | 0.0% | Core | Low | Des Moines, IA | 2026-11-02 | |
| 46,677 | $451.8K | 0.0% | Core | Medium | Charlotte, NC | 2026-11-04 | |
| 26,066 | $248 | 0.0% | Core | Very Low | Juneau, AK | 2026-10-15 | |
| 25,916 | $248.0K | 0.0% | Growth | Low | Seoul, Malaysia | 2026-11-03 | |
| 24,760 | $237.0K | 0.0% | GARP | Very High | Chicago, IL | 2026-11-05 | |
| 24,543 | $234.9K | 0.0% | Core | Medium | Baton Rouge, LA | 2026-10-19 | |
| 18,242 | $174.6K | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 15,518 | $165.7K | 0.0% | Core | Low | Plymouth, MN | 2026-10-13 | |
| 11,357 | $108.7K | 0.0% | Value | High | Cheyenne, WY | 2026-10-28 | |
| 11,290 | $108 | 0.0% | Core | Low | Frankfurt, Hong Kong | 2026-10-27 | |
| 8,705 | $83.3K | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 5,788 | $56 | 0.0% | Value | High | London, United Kingdom | 2026-10-30 | |
| 3,128 | $30 | 0.0% | Core | Very Low | Albany, NY | 2026-10-22 | |
| 2,538 | $24.3K | 0.0% | Index | Very Low | St. Louis, MO | 2026-10-20 | |
| 1,039 | $10 | 0.0% | Value | High | Chicago, IL | 2026-10-22 | |
| 1,012 | $9.7K | 0.0% | GARP | Medium | Charlotte, NC | 2026-10-22 | |
| 961 | $9.2K | 0.0% | GARP | Low | Phoenix, AZ | 2026-10-02 | |
| 829 | $7.9K | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 783 | $7.5K | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 561 | $5.4K | 0.0% | Index | Very Low | Foster City, CA | 2026-10-08 | |
| 500 | $4.8K | 0.0% | Growth | Low | Smithtown, NY | 2026-11-02 | |
| 275 | $2.6K | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 159 | $1.5K | 0.0% | ETF | Medium | Encinitas, CA | 2026-10-21 | |
| 153 | $1.5K | 0.0% | Value | Medium | Denver, CO | 2026-10-28 | |
| 150 | $1.4K | 0.0% | ETF | Medium | Akron, OH | 2026-10-13 | |
| 149 | $1.4K | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 139 | $1.3K | 0.0% | ETF | Very Low | Minneapolis, MN | 2026-10-09 | |
| 120 | $1.1K | 0.0% | ETF | Low | Hunt Valley, MD | 2026-10-23 | |
| 101 | $967 | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 78 | $746 | 0.0% | ETF | Very Low | Hermantown, MN | 2026-10-16 | |
| 68 | $651 | 0.0% | Index | Low | San Francisco, CA | 2026-11-03 | |
| 61 | $584 | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 | |
| 47 | $450 | 0.0% | ETF | Very Low | Orinda, CA | 2026-10-29 | |
| 45 | $431 | 0.0% | Core | Very Low | Saint Louis, MO | 2026-10-27 | |
| 40 | $383 | 0.0% | ETF | Low | Fort Lauderdale, FL | 2026-10-30 |