CUSIP: 09074F504 | NYSE | Healthcare · Biotechnology | Micro Cap | 54 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/AJane Street Group, LLC with Jane Street Global Trading, LLC, Jane Street Capital, LLC | 230,662 | 2.7% | −211,089 | Sep 30, 2026 | 35,860 sh (Jun 30, 2026) |
| 13GAlta Partners LLC |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 80,826 | $122.0K | 0.0% | GARP | Medium | Boston, MA | 2026-11-09 | |
| 75,774 | $115.2K | 0.0% | Index | Very Low | Boston, MA | 2026-11-06 | |
| 50,010 | $76.0K | 0.0% | Core | Low | Philadelphia, PA | 2026-11-05 | |
| 15,983 | $26.4K | 0.0% | ETF | Medium | New York, NY | 2026-11-03 | |
| 5,600 | $10.9K | 0.0% | ETF | Low | Folsom, CA | 2026-11-06 | |
| 1,667 | $2.5K | 0.0% | Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 1,000 | $1.5K | 0.0% | Growth | Very Low | Pittsburgh, PA | 2026-11-06 | |
| 10 | $16 | 0.0% | ETF | Very High | Bellingham, WA | 2026-10-23 | |
| 6 | $9 | 0.0% | Growth | Very Low | Minneapolis, MN | 2026-11-03 | |
| 3 | $5 | 0.0% | ETF | Low | Madison, WI | 2026-11-09 | |
| 2 | $3 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 1 | $2 | 0.0% | Core | Low | Salt Lake City, UT | 2026-10-21 | |
| 1 | $2 | 0.0% | Growth | Medium | London, United Kingdom | 2026-11-06 | |
| 1 | $2 | 0.0% | Growth | Low | Copenhagen V, Greece | 2026-11-09 |
| 8.4% |
| New 5%+ stake |
| Aug 12, 2026 |
| No 13F filer matched |
| 13G/AMorgan Stanley Smith Barney LLC | 896,822 | 11.9% | +291,350 | Jul 31, 2026 | No 13F filer matched |
| 13DDO Cuong V with Do & Rickles Investments, LLC | 399,018 | 5.0% | New 5%+ stake | Jan 5, 2026 | No 13F filer matched |