CUSIP 10170A100COMBOLDQ4 2025
9 filings · latest Feb 17, 2026
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Fmr LLC | 2.68M | $3.22M |
| 2 | Citadel Advisors LLC | 1.35M | $1.62M |
| 3 | Stonepine Capital Management, LLC | 710.1K | $852.1K |
| 4 | Sectoral Asset Management Inc | 678.6K | $814.3K |
| 5 | Vanguard Group Inc | 662.8K | $795.3K |
| 6 | Wellington Management Group LLP | 556.2K | $667.5K |
| 7 | Renaissance Technologies LLC | 341.4K | $409.7K |
| 8 | Alyeska Investment Group, L.P. | 300.0K | $360.0K |
| 9 |
| 4 | Aug 14, 2025 | Ra Capital Management, L.P. | 13G/A | — | 913.30M | SEC |
| 5 | Oct 29, 2024 | Arch Venture Fund Ix, L.P. | 13D | 12.1% | 2.69M | SEC |
| 6 | Apr 12, 2024 | Ra Capital Management, L.P. | 13G | 9.8% | 2.18M | SEC |
| 7 | Apr 12, 2024 | Nextech Vi Gp S.A.R.L. | 13G | 5.5% | 1.23M | SEC |
| 8 | Apr 10, 2024 | Fmr LLC | 13G | 14.7% | — | SEC |
| 9 | Apr 9, 2024 | Bayer Healthcare LLC | 13G | 7.3% | 1.62M | SEC |
| Rbf Capital, LLC |
| 200.0K |
| $240.0K |
| 10 | Northern Trust Corp | 189.5K | $227.4K |