BillionToOne, Inc. Class A Common Stock · as of 2026-03-31
| Fund | Ticker | Position value | % of fund | Balance | Fund net assets | Match |
|---|---|---|---|---|---|---|
| BARON DISCOVERY FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON… | — | $22.64M | 1.38% | 286,830 NS | $1.64B | FIGI |
| T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC. | — | $20.88M | 0.19% | 264,475 NS | $10.89B | FIGI |
| ADAMS STREET PRIVATE EQUITY NAVIGATOR FUND LLC — | — | $19.49M | 3.40% | 246,939 NS | $572.85M | FIGI |
| SMALLCAP World Fund Inc SMALLCAP World Fund Inc | — | $14.05M | 0.02% | 178,000 NS | $81.04B | FIGI |
| Wasatch Small Cap Growth Fund WASATCH FUNDS TRUST | — | $13.99M | 1.16% | 177,179 NS | $1.21B | FIGI |
| Columbia Acorn Fund COLUMBIA ACORN TRUST | — | $13.12M | 0.58% | 166,205 NS | $2.25B | FIGI |
| JPMorgan Small Cap Growth Fund JPMorgan Trust II | — | $11.50M | 0.53% | 145,685 NS | $2.18B | FIGI |
| T. Rowe Price New Horizons Fund, Inc. T. ROWE PRICE NEW HORIZONS FUND, INC. | — | $10.97M | 0.09% | 139,010 NS | $12.77B | FIGI |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | VTI | $9.95M | 0.00% | 126,092 NS | $1.99T | FIGI |
| T. Rowe Price Integrated U.S. Small-Cap Growt… T. ROWE PRICE INTEGRATED EQUITY FUNDS, IN… | — | $8.69M | 0.11% | 110,110 NS | $8.23B | FIGI |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | VB | $7.28M | 0.00% | 92,206 NS | $164.60B | FIGI |
| BARON OPPORTUNITY FUND BARON INVESTMENT FUNDS TRUST (f/k/a BARON… | — | $6.93M | 0.43% | 87,803 NS | $1.62B | FIGI |
| LVIP Baron Growth Opportunities Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | — | $5.54M | 0.87% | 70,228 NS | $637.34M | FIGI |
| Invesco Small Cap Growth Fund AIM Growth Series (Invesco Growth Series) | — | $4.79M | 0.31% | 60,666 NS | $1.55B | FIGI |
| JNL/Invesco Small Cap Growth Fund JNL Series Trust | — | $4.78M | 0.31% | 60,599 NS | $1.55B | FIGI |
| VANGUARD SMALL-CAP VALUE INDEX FUND VANGUARD INDEX FUNDS | VBR | $4.65M | 0.01% | 58,952 NS | $60.64B | FIGI |
| Baron Global Opportunity Fund BARON SELECT FUNDS | — | $4.60M | 0.55% | 58,294 NS | $837.19M | FIGI |
| JNL Multi-Manager Small Cap Growth Fund JNL Series Trust | — | $4.38M | 0.22% | 55,530 NS | $2.00B | FIGI |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | VXF | $4.00M | 0.00% | 50,685 NS | $81.50B | FIGI |
| JPMorgan Small Cap Blend Fund JPMorgan Trust I | — | $3.71M | 0.26% | 47,033 NS | $1.43B | FIGI |
| Columbia Variable Portfolio - Acorn Fund COLUMBIA FUNDS VARIABLE SERIES TRUST | — | $2.52M | 0.58% | 31,910 NS | $433.48M | FIGI |
| Invesco Small Cap Growth Portfolio Brighthouse Funds Trust I | — | $2.42M | 0.31% | 30,704 NS | $786.34M | FIGI |
| VY(R) BARON GROWTH PORTFOLIO Voya Partners Inc | — | $2.16M | 0.98% | 27,334 NS | $220.38M | FIGI |
| Baron Health Care Fund BARON SELECT FUNDS | — | $2.13M | 1.77% | 27,000 NS | $120.17M | FIGI |
| Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust | — | $1.93M | 0.02% | 24,410 NS | $9.06B | FIGI |
| MFS New Discovery Series MFS VARIABLE INSURANCE TRUST | — | $1.50M | 0.21% | 18,955 NS | $708.37M | FIGI |
| T. Rowe Price Health Sciences Portfolio T. ROWE PRICE EQUITY SERIES, INC. | — | $1.28M | 0.19% | 16,222 NS | $662.62M | FIGI |
| T. Rowe Price Integrated U.S. Small-Mid Cap C… T. ROWE PRICE INTEGRATED EQUITY FUNDS, IN… | — | $1.15M | 0.08% | 14,547 NS | $1.43B | FIGI |
| T. Rowe Price Small-Mid Cap ETF T. Rowe Price Exchange-Traded Funds, Inc. | TMSL | $1.07M | 0.07% | 13,536 NS | $1.55B | FIGI |
| T.Rowe Price Small Cap Growth Portfolio Brighthouse Funds Trust II | — | $903.4K | 0.09% | 11,444 NS | $1.06B | FIGI |
| VANGUARD BAILLIE GIFFORD GLOBAL POSITIVE IMPA… VANGUARD VALLEY FORGE FUNDS | — | $809.8K | 0.32% | 10,258 NS | $250.11M | FIGI |
| NVIT Invesco Small Cap Growth Fund Nationwide Variable Insurance Trust | — | $594.7K | 0.23% | 7,533 NS | $264.04M | FIGI |
| Transamerica T. Rowe Price Small Cap VP TRANSAMERICA SERIES TRUST | — | $541.2K | 0.09% | 6,856 NS | $631.75M | FIGI |
| MassMutual Small Cap Growth Equity Fund MASSMUTUAL SELECT FUNDS | — | $526.5K | 0.09% | 6,670 NS | $562.61M | FIGI |
| 1290 VT Micro Cap Portfolio EQ Advisors Trust | — | $487.3K | 0.28% | 6,173 NS | $174.05M | FIGI |
| AVIP AB Small Cap Portfolio AuguStar Variable Insurance Products Fund… | — | $458.6K | 0.17% | 5,809 NS | $272.16M | FIGI |
| Health Sciences Trust John Hancock Variable Insurance Trust | — | $442.3K | 0.19% | 5,603 NS | $227.23M | FIGI |
| NVIT Multi-Manager Small Company Fund Nationwide Variable Insurance Trust | — | $355.0K | 0.10% | 4,497 NS | $359.35M | FIGI |
| EQ/T.Rowe Price Health Sciences Portfolio EQ Advisors Trust | — | $320.3K | 0.20% | 4,058 NS | $158.96M | FIGI |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET IND… VANGUARD INSTITUTIONAL INDEX FUNDS | — | $262.2K | 0.00% | 3,322 NS | $30.28B | FIGI |
| Empower Small Cap Growth Fund EMPOWER FUNDS, INC. | — | $205.5K | 0.09% | 2,603 NS | $228.12M | FIGI |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | — | $184.1K | 0.00% | 2,332 NS | $58.89B | FIGI |
| AB Small Cap Growth Portfolio AB VARIABLE PRODUCTS SERIES FUND, INC. | — | $162.5K | 0.34% | 2,059 NS | $48.26M | FIGI |
| Invesco V.I. Health Care Fund AIM Variable Insurance Funds (Invesco Var… | — | $151.6K | 0.10% | 1,921 NS | $148.42M | FIGI |
| Renaissance IPO ETF RENAISSANCE CAPITAL GREENWICH FUNDS | IPO | $151.0K | 0.13% | 1,913 NS | $119.39M | FIGI |
| T. Rowe Price Extended Equity Market Index Fu… T. ROWE PRICE INDEX TRUST, INC. | — | $96.4K | 0.01% | 1,221 NS | $1.00B | FIGI |
| MFS Blended Research Small Cap Equity Portfol… MFS VARIABLE INSURANCE TRUST III | — | $83.0K | 0.11% | 1,051 NS | $78.49M | FIGI |
| MFS New Discovery Value Portfolio MFS VARIABLE INSURANCE TRUST III | — | $77.4K | 0.18% | 981 NS | $43.01M | FIGI |
| Acuitas Small Cap Active ETF Series Portfolios Trust | AIMS | $58.0K | 0.08% | 735 NS | $73.34M | FIGI |
| RiverPark/Next Century Growth Fund RiverPark Funds Trust | — | $49.5K | 0.59% | 627 NS | $8.38M | FIGI |