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 21 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 |
|---|---|---|---|---|---|
| Adams Street Partners LLC | 1,711,430 | $135.1M | 51.90% | 00.0% | Unchanged |
| Baillie Gifford & Co | 1,259,993 | $99.5M | 0.10% | −8,170−0.6% | Reduced |
| Civilization Ventures Management, LLC | 1,099,431 | $86.8M | 98.75% | 00.0% | Unchanged |
| Bamco Inc | 741,485 | $58.5M | 0.18% | +571,485+336.2% | Added |
| Price T Rowe Associates Inc | 737,518 | $58.2M | 0.01% | +252,235+52.0% | Added |
| NVP Associates, LLC | 513,330 | $40.5M | 23.00% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 709,214 | $37.8M | 0.03% | +8,347+1.2% | Added |
| Invesco Ltd. | 406,512 | $32.1M | 0.00% | +216,693+114.2% | Added |
| Wasatch Advisors Inc | 369,638 | $29.2M | 0.19% | +369,638 | New |
| JPMorgan Chase & Co | 283,140 | $19.9M | 0.00% | −108,818−27.8% | Reduced |
| UBS Asset Management Americas Inc | 240,587 | $19.0M | 0.00% | +12,932+5.7% | Added |
| Emerald Advisers, LLC | 239,562 | $18.9M | 0.60% | +50,613+26.8% | Added |
| Napean Trading & Investment Co (Singapore) PTE Ltd | 233,333 | $18.4M | 7.91% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 223,251 | $18.3M | 0.01% | +14,657+7.0% | Added |
| Ameriprise Financial Inc | 220,035 | $17.4M | 0.00% | +97,762+80.0% | Added |
| Vanguard Capital Management LLC | 182,463 | $14.4M | 0.00% | +182,463 | New |
| Capital International Investors | 178,000 | $14.1M | 0.00% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 159,573 | $12.6M | 0.00% | −3,827−2.3% | Reduced |
| Vanguard Portfolio Management LLC | 151,213 | $11.9M | 0.00% | +151,213 | New |
| Emerald Mutual Fund Advisers Trust | 132,206 | $10.4M | 0.51% | +14,072+11.9% | Added |
| Penn Capital Management Co Inc | 126,335 | $9.99M | 0.77% | +126,335 | New |
| UBS Group AG | 121,604 | $9.60M | 0.00% | +90,005+284.8% | Added |
| BlackRock, Inc. | 95,160 | $7.51M | 0.00% | +23,760+33.3% | Added |
| Perceptive Advisors LLC | 91,812 | $7.25M | 0.14% | +19,000+26.1% | Added |
| Next Century Growth Investors LLC | 90,564 | $7.15M | 0.52% | +53,905+147.0% | Added |
| Geode Capital Management, LLC | 89,114 | $7.04M | 0.00% | +7,080+8.6% | Added |
| New York State Common Retirement Fund | 88,682 | $7.00M | 0.01% | +83,565+1,633.1% | Added |
| PFM Health Sciences, LP | 88,069 | $6.95M | 0.73% | +522+0.6% | Added |
| Two Sigma Investments, LP | 82,776 | $6.53M | 0.01% | +82,776 | New |
| Ensign Peak Advisors, Inc | 51,501 | $4.07M | 0.01% | +51,501 | New |
| Renaissance Technologies LLC | 51,254 | $4.05M | 0.01% | +51,254 | New |
| Deep Track Capital, LP | 50,000 | $3.95M | 0.08% | 00.0% | Unchanged |
| Lord, Abbett & Co. LLC | 44,289 | $3.50M | 0.01% | −2,019−4.4% | Reduced |
| TD Asset Management Inc | 43,108 | $3.40M | 0.00% | +16,378+61.3% | Added |
| Manufacturers Life Insurance Company, The | 30,506 | $2.41M | 0.00% | +18,389+151.8% | Added |
| Charles Schwab Investment Management Inc | 28,054 | $2.21M | 0.00% | +1,450+5.5% | Added |
| Vanguard Fiduciary Trust Co | 27,791 | $2.19M | 0.00% | +27,791 | New |
| Seven Grand Managers, LLC | 25,000 | $1.97M | 0.13% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 22,946 | $1.81M | 0.00% | +15,055+190.8% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 20,595 | $1.63M | 0.00% | +4,122+25.0% | Added |
| Blue Water Life Science Advisors, LLC | 20,000 | $1.58M | 1.27% | +20,000 | New |
| State Street Corp | 19,700 | $1.56M | 0.00% | −1,900−8.8% | Reduced |
| Public Employees Retirement System of Ohio | 19,499 | $1.54M | 0.00% | +19,499 | New |
| Russell Investments Group, Ltd. | 18,659 | $1.47M | 0.00% | +18,659 | New |
| F/M Investments LLC | 16,908 | $1.33M | 0.09% | +16,908 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 14,500 | $1.14M | 0.02% | 00.0% | Unchanged |
| Deutsche Bank AG | 13,640 | $1.08M | 0.00% | +13,640 | New |
| SEI Investments Co | 13,399 | $1.06M | 0.00% | +13,399 | New |
| XTX Topco Ltd | 13,179 | $1.04M | 0.02% | −7,499−36.3% | Reduced |
| Bank of America Corp | 12,707 | $1.00M | 0.00% | +12,561+8,603.4% | Added |
| Morgan Stanley | 12,586 | $993.5K | 0.00% | +8,987+249.7% | Added |
| Susquehanna International Group, LLP | 12,486 | $985.6K | 0.00% | +12,486 | New |
| Bellevue Group AG | 10,554 | $833.1K | 0.02% | −35−0.3% | Reduced |
| Nomura Holdings Inc | 8,600 | $678.9K | 0.01% | +8,600 | New |
| Brevan Howard Capital Management LP | 7,716 | $609.1K | 0.01% | +3,159+69.3% | Added |
| Alyeska Investment Group, L.P. | 7,000 | $552.6K | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 5,956 | $470.2K | 0.00% | −4−0.1% | Reduced |
| Brandywine Managers, LLC | 5,750 | $453.9K | 0.27% | +5,750 | New |
| Green Alpha Advisors, LLC | 5,168 | $408.0K | 0.40% | −158−3.0% | Reduced |
| Royal Bank of Canada | 4,770 | $377.0K | 0.00% | −804−14.4% | Reduced |
| Pathstone Holdings, LLC | 4,280 | $337.9K | 0.00% | −49−1.1% | Reduced |
| Goldman Sachs Group Inc | 4,158 | $328.2K | 0.00% | −16,557−79.9% | Reduced |
| MYDA Advisors LLC | 4,000 | $315.8K | 0.07% | −36,200−90.0% | Reduced |
| D. E. Shaw & Co., Inc. | 3,862 | $304.9K | 0.00% | +3,862 | New |
| Connable Office Inc | 3,850 | $303.9K | 0.03% | +3,850 | New |
| Cornerstone Investment Partners, LLC | 3,402 | $268.6K | 0.01% | +3,402 | New |
| Barclays PLC | 2,758 | $217.7K | 0.00% | +2,758 | New |
| Renaissance Capital LLC | 1,927 | $144.6K | 0.10% | −527−21.5% | Reduced |
| Vanguard Global Advisers, LLC | 1,755 | $138.5K | 0.00% | +1,755 | New |
| Smartleaf Asset Management LLC | 1,297 | $90.9K | 0.00% | +357+38.0% | Added |
| Wells Fargo & Company | 1,108 | $87.5K | 0.00% | +175+18.8% | Added |
| SBI Securities Co., Ltd. | 680 | $53.7K | 0.00% | +609+857.7% | Added |
| RiverPark Advisors, LLC | 627 | $49.5K | 0.02% | +164+35.4% | Added |
| Advisor Group Holdings, Inc. | 420 | $33.2K | 0.00% | +110+35.5% | Added |
| Steward Partners Investment Advisory, LLC | 300 | $23.7K | 0.00% | +200+200.0% | Added |
| Harbour Investments, Inc. | 180 | $14.2K | 0.00% | +180 | New |
| Fifth Third Bancorp | 134 | $10.6K | 0.00% | +134 | New |
| Rossby Financial, LCC | 100 | $8.30K | 0.00% | −200−66.7% | Reduced |
| MCF Advisors LLC | 104 | $8.21K | 0.00% | +65+166.7% | Added |
| US Bancorp | 64 | $5.05K | 0.00% | +64 | 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 |
| Quantbot Technologies LP | 40 | $3.16K | 0.00% | +40 | New |
| UMA Financial Services, Inc. | 17 | $1.34K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 15 | $1.18K | 0.00% | +15 | New |
| Frazier Financial Advisors, LLC | 14 | $1.11K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 12 | $835 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 8 | $632 | 0.00% | +8 | New |
| Marquette Asset Management, LLC | 7 | $553 | 0.00% | +7 | New |
| Citigroup Inc | 1 | $79 | 0.00% | 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 |