CUSIP: 09077A106 | NYSE | Healthcare · Biotechnology | Micro Cap | 287 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/AChen Bihua with Cormorant Asset Management, LP, Cormorant Global Healthcare Master Fund, LP, Cormorant Global Healthcare GP, LLC, +2 more | 1,060,792 | 1.5% | −2,620,872 | Oct 22, 2025 | No 13F filer matched |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 248,385 | $330.4K | 0.0% | Core | Low | New York, NY | 2026-10-22 | |
| 50,060 | $66.6K | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 15,818 | $19.8K | 0.0% | ETF | Medium | Totowa, NJ | 2026-10-19 | |
| 15,771 | $21.0K | 0.0% | Core | Low | New York, NY | 2026-11-05 | |
| 14,000 | $18.6K | 0.0% | Core | Low | Keene, NH | 2026-10-27 | |
| 12,000 | $16.0K | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 10,000 | $13.3K | 0.0% | Growth | Low | Palm Desert, CA | 2026-10-20 | |
| 5,500 | $7.3K | 0.0% | ETF | N/A | Tampa, FL | 2026-10-30 | |
| 5,098 | $6.8K | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 3,500 | $4.7K | 0.0% | Index | Low | Atlanta, GA | 2026-10-23 | |
| 458 | $609 | 0.0% | Growth | Very High | Hong Kong, South Korea | 2026-10-29 | |
| 454 | $604 | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 38 | $51 | 0.0% | Core | High | Turin, Latvia | 2026-10-22 |