BLLN
BillionToOne, Inc.
Services-Medical LaboratoriesNasdaq<br>Emerging growth company
Total Trades
7
Buys
6
Sells
0
Largest Trade
N/A
Insiders
6
Institutional Funds
64
Inst. Value
$1M+
Activist Filings
4
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Lynch Thomas P. | See Remarks | BUY | $1K–$15K | 100 | $60.00 | Nov 12, 2025 |
| Tsao David | CTO | BUY | $50K–$100K | 1K | $60.00 | Nov 12, 2025 |
| ten Bosch John Roderick | See Remarks | BUY | $15K–$50K | 800 | $60.00 | Nov 12, 2025 |
| Johnson Nancy JoAnn | See Remarks | BUY | $100K–$500K | 7K | $60.00 | Nov 12, 2025 |
| Rai Akshay | Director | BUY | $100K–$500K | 3K | $60.00 | Nov 12, 2025 |
| Bremner Thomas S | Director | GRANT | N/A | 8K | — | Nov 11, 2025 |
| Bremner Thomas S | Director | BUY | $1M+ | 42K | $60.00 | Nov 11, 2025 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 64 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| ADAMS STREET PARTNERS LLC | 1.7M | $1M+ | SH |
| Neuberger Berman Group LLC | 689K | $1M+ | SH |
| NVP Associates, LLC | 513K | $1M+ | SH |
| VANGUARD GROUP INC | 325K | $1M+ | SH |
| Napean Trading & Investment Co (Singapore) PTE Ltd | 233K | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 209K | $1M+ | SH |
| EMERALD ADVISERS, LLC | 189K | $1M+ | SH |
| Capital International Investors | 178K | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 162K | $1M+ | SH |
| EMERALD MUTUAL FUND ADVISERS TRUST | 118K | $1M+ | SH |
| PFM Health Sciences, LP | 88K | $1M+ | SH |
| Siren, L.L.C. | 84K | $1M+ | SH |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 75K | $1M+ | SH |
| BAILLIE GIFFORD & CO | 74K | $1M+ | SH |
| PERCEPTIVE ADVISORS LLC | 73K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 73K | $1M+ | SH |
| Deep Track Capital, LP | 50K | $1M+ | SH |
| BRAIDWELL LP | 50K | $1M+ | SH |
| LORD, ABBETT & CO. LLC | 46K | $1M+ | SH |
| JPMORGAN CHASE & CO | 41K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 17, 2026
6.9%
3.0M shares
SC 13G · Feb 17, 2026
7.3%
3.2M shares
NeoTribe Ventures I, L.P. ("NTV I")
SC 13G · Feb 13, 2026
6.6%
2.7M shares
Hummingbird Ventures Management NV
SC 13D · Jan 21, 2026
19.6%
7.9M shares