BillionToOne, Inc.
BLLN- Exchange
- Nasdaq
- Industry
- Services-Medical Laboratories
- SEC CIK
- 0002070849
In the last 90 days, BillionToOne, Inc. insiders filed 0 open-market purchases and 22 sales; 155 institutions reported holding it in 13F filings for Q2 2026, worth $1.82B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in BillionToOne, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 90
- +2 vs. Q4 2025
- Shares held
- 11.3M
- +2.05M (+22.1%) vs. Q4 2025
- Total value
- $875.1M
- +$115.0M (+15.1%) vs. Q4 2025
- New holders
- 29
- 32 more added
- Sold out
- 27
- 15 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BLLN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 155 | $1.82B |
| Q1 2026 | 90 | $875.1M |
| Q4 2025 | 90 | $789.7M |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding BillionToOne, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Citigroup Inc | 1 | $79 | 0.00% | 00.0% | Unchanged |
| Marquette Asset Management, LLC | 7 | $553 | 0.00% | +7 | New |
| BNP Paribas Arbitrage, SA | 8 | $632 | 0.00% | +8 | New |
| Jones Financial Companies LLLP | 12 | $835 | 0.00% | 00.0% | Unchanged |
| Frazier Financial Advisors, LLC | 14 | $1.11K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 15 | $1.18K | 0.00% | +15 | New |
| UMA Financial Services, Inc. | 17 | $1.34K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 40 | $3.16K | 0.00% | +40 | New |
| Colonial Trust Advisors | 50 | $3.95K | 0.00% | 00.0% | Unchanged |
| Essential Investment Partners LLC | 50 | $3.95K | 0.00% | +25+100.0% | Added |
| US Bancorp | 64 | $5.05K | 0.00% | +64 | New |
| MCF Advisors LLC | 104 | $8.21K | 0.00% | +65+166.7% | Added |
| Rossby Financial, LCC | 100 | $8.30K | 0.00% | −200−66.7% | Reduced |
| Fifth Third Bancorp | 134 | $10.6K | 0.00% | +134 | New |
| Harbour Investments, Inc. | 180 | $14.2K | 0.00% | +180 | New |
| Steward Partners Investment Advisory, LLC | 300 | $23.7K | 0.00% | +200+200.0% | Added |
| Advisor Group Holdings, Inc. | 420 | $33.2K | 0.00% | +110+35.5% | Added |
| RiverPark Advisors, LLC | 627 | $49.5K | 0.02% | +164+35.4% | Added |
| SBI Securities Co., Ltd. | 680 | $53.7K | 0.00% | +609+857.7% | Added |
| Wells Fargo & Company | 1,108 | $87.5K | 0.00% | +175+18.8% | Added |
| Smartleaf Asset Management LLC | 1,297 | $90.9K | 0.00% | +357+38.0% | Added |
| Vanguard Global Advisers, LLC | 1,755 | $138.5K | 0.00% | +1,755 | New |
| Renaissance Capital LLC | 1,927 | $144.6K | 0.10% | −527−21.5% | Reduced |
| Barclays PLC | 2,758 | $217.7K | 0.00% | +2,758 | New |
| Cornerstone Investment Partners, LLC | 3,402 | $268.6K | 0.01% | +3,402 | New |
| Connable Office Inc | 3,850 | $303.9K | 0.03% | +3,850 | New |
| D. E. Shaw & Co., Inc. | 3,862 | $304.9K | 0.00% | +3,862 | New |
| MYDA Advisors LLC | 4,000 | $315.8K | 0.07% | −36,200−90.0% | Reduced |
| Goldman Sachs Group Inc | 4,158 | $328.2K | 0.00% | −16,557−79.9% | Reduced |
| Pathstone Holdings, LLC | 4,280 | $337.9K | 0.00% | −49−1.1% | Reduced |
| Royal Bank of Canada | 4,770 | $377.0K | 0.00% | −804−14.4% | Reduced |
| Green Alpha Advisors, LLC | 5,168 | $408.0K | 0.40% | −158−3.0% | Reduced |
| Brandywine Managers, LLC | 5,750 | $453.9K | 0.27% | +5,750 | New |
| Walleye Capital LLC | 5,956 | $470.2K | 0.00% | −4−0.1% | Reduced |
| Alyeska Investment Group, L.P. | 7,000 | $552.6K | 0.00% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 7,716 | $609.1K | 0.01% | +3,159+69.3% | Added |
| Nomura Holdings Inc | 8,600 | $678.9K | 0.01% | +8,600 | New |
| Bellevue Group AG | 10,554 | $833.1K | 0.02% | −35−0.3% | Reduced |
| Susquehanna International Group, LLP | 12,486 | $985.6K | 0.00% | +12,486 | New |
| Morgan Stanley | 12,586 | $993.5K | 0.00% | +8,987+249.7% | Added |
| Bank of America Corp | 12,707 | $1.00M | 0.00% | +12,561+8,603.4% | Added |
| XTX Topco Ltd | 13,179 | $1.04M | 0.02% | −7,499−36.3% | Reduced |
| SEI Investments Co | 13,399 | $1.06M | 0.00% | +13,399 | New |
| Deutsche Bank AG | 13,640 | $1.08M | 0.00% | +13,640 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 14,500 | $1.14M | 0.02% | 00.0% | Unchanged |
| F/M Investments LLC | 16,908 | $1.33M | 0.09% | +16,908 | New |
| Russell Investments Group, Ltd. | 18,659 | $1.47M | 0.00% | +18,659 | New |
| Public Employees Retirement System of Ohio | 19,499 | $1.54M | 0.00% | +19,499 | New |
| State Street Corp | 19,700 | $1.56M | 0.00% | −1,900−8.8% | Reduced |
| Blue Water Life Science Advisors, LLC | 20,000 | $1.58M | 1.27% | +20,000 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 20,595 | $1.63M | 0.00% | +4,122+25.0% | Added |
| Squarepoint Ops LLC | 22,946 | $1.81M | 0.00% | +15,055+190.8% | Added |
| Seven Grand Managers, LLC | 25,000 | $1.97M | 0.13% | 00.0% | Unchanged |
| Vanguard Fiduciary Trust Co | 27,791 | $2.19M | 0.00% | +27,791 | New |
| Charles Schwab Investment Management Inc | 28,054 | $2.21M | 0.00% | +1,450+5.5% | Added |
| Manufacturers Life Insurance Company, The | 30,506 | $2.41M | 0.00% | +18,389+151.8% | Added |
| TD Asset Management Inc | 43,108 | $3.40M | 0.00% | +16,378+61.3% | Added |
| Lord, Abbett & Co. LLC | 44,289 | $3.50M | 0.01% | −2,019−4.4% | Reduced |
| Deep Track Capital, LP | 50,000 | $3.95M | 0.08% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 51,254 | $4.05M | 0.01% | +51,254 | New |
| Ensign Peak Advisors, Inc | 51,501 | $4.07M | 0.01% | +51,501 | New |
| Two Sigma Investments, LP | 82,776 | $6.53M | 0.01% | +82,776 | New |
| PFM Health Sciences, LP | 88,069 | $6.95M | 0.73% | +522+0.6% | Added |
| New York State Common Retirement Fund | 88,682 | $7.00M | 0.01% | +83,565+1,633.1% | Added |
| Geode Capital Management, LLC | 89,114 | $7.04M | 0.00% | +7,080+8.6% | Added |
| Next Century Growth Investors LLC | 90,564 | $7.15M | 0.52% | +53,905+147.0% | Added |
| Perceptive Advisors LLC | 91,812 | $7.25M | 0.14% | +19,000+26.1% | Added |
| BlackRock, Inc. | 95,160 | $7.51M | 0.00% | +23,760+33.3% | Added |
| UBS Group AG | 121,604 | $9.60M | 0.00% | +90,005+284.8% | Added |
| Penn Capital Management Co Inc | 126,335 | $9.99M | 0.77% | +126,335 | New |
| Emerald Mutual Fund Advisers Trust | 132,206 | $10.4M | 0.51% | +14,072+11.9% | Added |
| Vanguard Portfolio Management LLC | 151,213 | $11.9M | 0.00% | +151,213 | New |
| Massachusetts Financial Services Co | 159,573 | $12.6M | 0.00% | −3,827−2.3% | Reduced |
| Capital International Investors | 178,000 | $14.1M | 0.00% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 182,463 | $14.4M | 0.00% | +182,463 | New |
| Ameriprise Financial Inc | 220,035 | $17.4M | 0.00% | +97,762+80.0% | Added |
| Alliancebernstein L.P. | 223,251 | $18.3M | 0.01% | +14,657+7.0% | Added |
| Napean Trading & Investment Co (Singapore) PTE Ltd | 233,333 | $18.4M | 7.91% | 00.0% | Unchanged |
| Emerald Advisers, LLC | 239,562 | $18.9M | 0.60% | +50,613+26.8% | Added |
| UBS Asset Management Americas Inc | 240,587 | $19.0M | 0.00% | +12,932+5.7% | Added |
| JPMorgan Chase & Co | 283,140 | $19.9M | 0.00% | −108,818−27.8% | Reduced |
| Wasatch Advisors Inc | 369,638 | $29.2M | 0.19% | +369,638 | New |
| Invesco Ltd. | 406,512 | $32.1M | 0.00% | +216,693+114.2% | Added |
| Neuberger Berman Group LLC | 709,214 | $37.8M | 0.03% | +8,347+1.2% | Added |
| NVP Associates, LLC | 513,330 | $40.5M | 23.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 737,518 | $58.2M | 0.01% | +252,235+52.0% | Added |
| Bamco Inc | 741,485 | $58.5M | 0.18% | +571,485+336.2% | Added |
| Civilization Ventures Management, LLC | 1,099,431 | $86.8M | 98.75% | 00.0% | Unchanged |
| Baillie Gifford & Co | 1,259,993 | $99.5M | 0.10% | −8,170−0.6% | Reduced |
| Adams Street Partners LLC | 1,711,430 | $135.1M | 51.90% | 00.0% | Unchanged |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −148,868−100.0% | Sold out |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −101,136−100.0% | Sold out |
| Siren, L.L.C. | 0 | $0 | 0.00% | −83,833−100.0% | Sold out |
| Braidwell LP | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −33,311−100.0% | Sold out |
| Catalio Capital Management, LP | 0 | $0 | 0.00% | −25,505−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −20,902−100.0% | Sold out |
| Summit Partners Public Asset Management, LLC | 0 | $0 | 0.00% | −19,783−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −17,000−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −7,499−100.0% | Sold out |