BillionToOne, Inc. BLLN
113.89 USD +3.44 (+3.11%)
At closeNov 4, 2026, 5:02 PM EST
113.00 -0.89 -0.78%
After hours · Nov 4, 5:02 PM ET
110.19 Day range 114.91
64.03 52-week range 149.97
- YTD
- +39.16%
- 1 year
- +4.54%
Held by funds
45 US ETFs and mutual funds hold BLLN · largest positions
Ownership
Held by insiders 28.36%
Held by institutions 45.70%
Float held by institutions 63.80%
Institutions 204
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Adams Street Partners, LLC | 4.01% | 1,711,430 | 193.99M | Jun 29, 2026 |
| Price (T.Rowe) Associates Inc | 2.37% | 1,010,322 | 114.52M | Jun 29, 2026 |
| BAILLIE GIFFORD & CO | 2.11% | 901,420 | 102.18M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 1.97% | 840,970 | 95.32M | Jun 29, 2026 |
| Invesco Ltd. | 1.96% | 835,614 | 94.72M | Jun 29, 2026 |
| Vanguard Capital Management LLC | 1.87% | 799,468 | 90.62M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 1.70% | 724,088 | 82.08M | Jun 29, 2026 |
| AIM Counselor Series TRT -Invesco Discovery Fd. | 1.25% | 531,370 | 60.23M | Aug 30, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 1.23% | 522,864 | 59.27M | Jun 29, 2026 |
| T. Rowe Price Health Sciences Fund, Inc. | 0.89% | 377,575 | 42.80M | Jun 29, 2026 |
| BARON INVESTMENT Fd.S TRT -BARON DISCOVERY Fd. | 0.67% | 286,830 | 32.51M | Jun 29, 2026 |
| Capitol Series Trust-FullerThaler Behavioral Small-Cap Growth Fund | 0.64% | 275,000 | 31.17M | Jun 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| ATAY OGUZHAN PH.D. | Chief Executive Officer | Sale | Oct 11, 2026 | 0 |
| BREMNER THOMAS S. | Director | Stock Award(Grant) | Jun 9, 2026 | 11,350 |
| HUMMING BIRD VENTURES MANAGEMENT NV | Beneficial Owner of more than 10% of a Class of Security | Conversion of Exercise of derivative security | Nov 6, 2025 | 0 |
| ILERI FIRAT | Director and Beneficial Owner of more than 10% of a Class of Security | Stock Award(Grant) | Jun 9, 2026 | 40,331 |
| KOLLURI KRISHNA KITTU | Director and Beneficial Owner of more than 10% of a Class of Security | Stock Award(Grant) | Jun 9, 2026 | 11,350 |
| LYNCH THOMAS P | General Counsel | Conversion of Exercise of derivative security | Oct 12, 2026 | 10,700 |