13F reference period
Q3 2026
CUSIP: 09077V100
13F reference period
Q3 2026
Institutions Reporting
67
Shares (Excl. Options)
Price
$7.09
The headline uses the Q3 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.
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Latest holder context comes from 67 institutions filings for Q3 2026.
Security key
09077V100
13F reference period
Q3 2026
13F holders
67
13D/G owners
6
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 09077V100:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Fortney Kristen | 7.2% | $48,279,538 | 2,704,736 | Kristen Fortney | 31 Dec 2025 | |||
| Cormorant Asset Management, LP | 5.4% | -16% | $59,382,628 | -$12,420,000 | 2,390,605 | -17% | Cormorant Asset Management, LP | 30 Jun 2026 |
| BlackRock, Inc. | 5% | $39,115,685 | 2,236,460 | BlackRock, Inc. | 31 Mar 2026 | |||
| Khosla Ventures VI, L.P. | 4% | $29,120,985 | 1,798,702 | VK Services, LLC | 15 May 2026 | |||
| RA CAPITAL MANAGEMENT, L.P. | 3.7% | $5,740,380 | 1,310,589 | RA Capital Management, L.P. | 31 Dec 2024 | |||
| ADAR1 Capital Management, LLC | 0.4% | -100% | $2,419,746 | -$32,157,900 | 135,560 | -93% | ADAR1 Capital Management, LLC | 31 Dec 2025 |
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 3.6% | 1,621,099 | +5% | 0% | $11,493,592 |
| STATE STREET CORP | 3% | 1,348,310 | +32% | 0% | $9,559,518 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 921,507 | -8.2% | 0% | $6,534,866 |
| Sands Capital Alternatives, LLC | 1.8% | 786,353 | 0% | 0.8% | $5,575,243 |
| Pivotal bioVenture Partners Investment Advisor LLC | 1.5% | 653,374 | 0% | 1.8% | $4,632,422 |
| RENAISSANCE TECHNOLOGIES LLC | 1.4% | 626,661 | +278% | 0.01% | $4,443,026 |
| MORGAN STANLEY | 1.2% | 532,070 | +88% | 0% | $3,772,376 |
| COSMIC MANAGEMENT, LLC | 1.1% | 501,833 | 0% | 1.1% | $3,557,996 |
| DIMENSIONAL FUND ADVISORS LP | 1.1% | 499,916 | +27% | 0% | $3,544,591 |
| Qube Research & Technologies Ltd | 1.1% | 483,993 | 0% | $3,431,510 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.91% | 406,096 | -0.99% | 0% | $2,879,221 |
| FRANKLIN TEMPLETON INC | 0.85% | 378,467 | +34% | 0% | $2,251,879 |
| Y-Intercept (Hong Kong) Ltd | 0.71% | 316,767 | +1979% | 0.05% | $2,245,878 |
| VANGUARD FIDUCIARY TRUST CO | 0.58% | 256,683 | +17% | 0% | $1,819,882 |
| BNP PARIBAS FINANCIAL MARKETS | 0.26% | 116,034 | 0% | $822,681 | |
| PROFUND ADVISORS LLC | 0.17% | 76,284 | +601% | 0.02% | $540,854 |
| AMERICAN CENTURY COMPANIES INC | 0.15% | 65,834 | +20% | 0% | $466,763 |
| FEDERATED HERMES, INC. | 0.14% | 63,060 | 0% | $447,095 | |
| Swiss National Bank | 0.14% | 62,900 | 0% | $445,961 | |
| Alessandra Capital Management, LLC | 0.14% | 60,199 | -36% | 0.3% | $426,815 |
| MIZUHO SECURITIES USA LLC | 0.14% | 60,000 | 0.01% | $522,618 | |
| Invesco Ltd. | 0.1% | 44,693 | -65% | 0% | $316,874 |
| PANAGORA ASSET MANAGEMENT INC | 0.1% | 44,493 | 0% | $315,455 | |
| STRS OHIO | 0.09% | 42,200 | +92% | 0% | $299,198 |
| Quadrature Capital Ltd | 0.09% | 40,719 | +330% | 0% | $288,698 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 10,456,570 | $73,804,520 | +$6,608,826 | $7.09 | 67 |
| 2026 Q2 | 37,731,680 | $924,621,506 | +$85,957,503 | $24.51 | 150 |
| 2026 Q1 | 34,288,673 | $599,230,651 | +$183,047,150 | $17.49 | 144 |
| 2025 Q4 | 23,662,525 | $314,117,431 | +$36,761,604 | $13.23 | 113 |
| 2025 Q3 | 21,259,082 | $125,003,330 | +$3,516,038 | $5.88 | 92 |
| 2025 Q2 | 20,716,453 | $85,559,282 | +$3,327,577 | $4.13 | 81 |
| 2025 Q1 | 20,278,591 | $76,157,053 | +$1,658,645 | $3.76 | 65 |
| 2024 Q4 | 19,641,111 | $113,720,000 | -$68,696,192 | $5.79 | 64 |
| 2024 Q3 | 20,709,688 | $430,774,211 | +$424,388,861 | $20.80 | 58 |