CUSIP: 090655606 | NYSE | Healthcare · Biotechnology | Micro Cap | 51 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/AAlta Partners LLC | 1,338,133 | 4.9% | Newly reported | Feb 13, 2026 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 803,513 | $302.1K | 0.0% | Core | Very High | New York, NY | 2026-08-14 | |
| 710,590 | $267.0K | 0.0% | GARP | Very High | New York, NY | 2026-08-14 | |
| 286,504 | $107.7K | 0.0% | Value | Very High | London, United Kingdom | 2026-08-14 | |
| 273,304 | $102.8K | 0.0% | Core | Very High | Miami, FL | 2026-09-02 | |
| 181,300 | $68.2K | 0.0% | Core | N/A | Malvern, PA | 2026-08-13 | |
| 152,417 | $57.3K | 0.0% | Index | Very Low | Boston, MA | 2026-08-12 | |
| 63,724 | $24.0K | 0.0% | Core | Medium | New York, NY | 2026-08-03 | |
| 40,000 | $15.0K | 0.0% | Core | Medium | Mellville, NY | 2026-08-11 | |
| 32,459 | $12.2K | 0.0% | Index | Very Low | Boston, MA | 2026-09-22 | |
| 28,600 | $10.8K | 0.0% | Growth | Medium | Lexington, KY | 2026-07-29 | |
| 24,009 | $9.0K | 0.0% | Index | Very Low | Chicago, IL | 2026-08-13 | |
| 21,739 | $8.2K | 0.0% | Index | Very Low | Overland Park, KS | 2026-08-13 | |
| 16,068 | $6.0K | 0.0% | Growth | High | Bala Cynwyd, PA | 2026-08-14 | |
| 13,900 | $5.2K | 0.0% | ETF | Medium | New York, NY | 2026-08-12 | |
| 12,977 | $4.9K | 0.0% | Core | N/A | Malvern, PA | 2026-08-13 | |
| 2,000 | $760 | 0.0% | Index | Low | Scottsdale, AZ | 2026-08-14 | |
| 1,463 | $550 | 0.0% | GARP | Very High | New York, NY | 2026-08-11 | |
| 699 | $263 | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-07-23 | |
| 3 | $1 | 0.0% | Core | Low | Toronto, Australia | 2026-07-27 | |
| 1 | $0 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-08-05 | |
| 1 | $0 | 0.0% | Core | Medium | Zurich, Switzerland | 2026-08-13 |