CUSIP: 103197406 | 10 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 |
|---|---|---|---|---|---|
| 13DKhan MD Ehsan | 231,000 | 24.3% | New 5%+ stake | Jan 21, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 27,876 | $34.3K | 0.0% | Index | Very Low | Boston, MA | 2026-05-15 | |
| 7,904 | $9.7K | 0.0% | GARP | Very High | New York, NY | 2026-05-15 | |
| 7,259 | $8.9K | 0.0% | Core | Medium | New York, NY | 2026-05-11 | |
| 5,000 | $6.2K | 0.0% | Core | Low | New York, NY | 2026-05-15 | |
| 3,585 | $4.4K | 0.0% | Index | Very Low | New York, NY | 2026-05-13 | |
| 1,823 | $2.2K | 0.0% | Core | Medium | Zurich, Switzerland | 2026-05-05 | |
| 683 | $881 | 0.0% | Growth | Medium | New York, NY | 2026-05-13 | |
| 36 | $43 | 0.0% | Index | Low | Scottsdale, AZ | 2026-05-15 | |
| 12 | $15 | 0.0% | Index | Low | Des Peres, MO | 2026-05-15 |