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Livermore
ZHEN

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.

Q4 2025 vs. Q3 2025

How the institutions holding BillionToOne, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of BLLN: Q3 2025 compared with Q4 2025
MeasureQ3 2025Q4 2025Change
Holders090+90
Shares09.65M+9.65M
Value$0$789.7M+$789.7M

New holders (90)

Institutions that held BillionToOne, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to BLLN in Q4 2025
InstitutionSharesValue% of portfolio
Adams Street Partners LLC1,711,430$140.1M53.07%
Baillie Gifford & Co1,268,163$103.8M0.09%
Civilization Ventures Management, LLC1,099,431$90.0M54.20%
Neuberger Berman Group LLC700,867$57.4M0.04%
NVP Associates, LLC513,330$42.0M16.46%
Price T Rowe Associates Inc485,283$39.7M0.00%
JPMorgan Chase & Co391,958$32.1M0.00%
Vanguard Group Inc352,368$28.8M0.00%
Napean Trading & Investment Co (Singapore) PTE Ltd233,333$19.1M3.71%
UBS Asset Management Americas Inc227,655$18.6M0.00%
Alliancebernstein L.P.208,594$17.1M0.01%
Invesco Ltd.189,819$15.5M0.00%
Emerald Advisers, LLC188,949$15.5M0.48%
Capital International Investors178,000$14.6M0.00%
Bamco Inc170,000$13.9M0.04%
Massachusetts Financial Services Co163,400$13.4M0.00%
Citadel Advisors LLC148,868$12.2M0.01%
Ameriprise Financial Inc122,273$10.0M0.00%
Emerald Mutual Fund Advisers Trust118,134$9.67M0.47%
T. Rowe Price Investment Management, Inc.101,136$8.28M0.01%
PFM Health Sciences, LP87,547$7.16M0.73%
Siren, L.L.C.83,833$6.86M0.20%
Geode Capital Management, LLC82,034$6.72M0.00%
Perceptive Advisors LLC72,812$5.96M0.11%
BlackRock, Inc.71,400$5.84M0.00%
Deep Track Capital, LP50,000$4.09M0.09%
Braidwell LP50,000$4.09M0.13%
Lord, Abbett & Co. LLC46,308$3.79M0.01%
MYDA Advisors LLC40,200$3.29M0.93%
Next Century Growth Investors LLC36,659$3.00M0.21%
Verition Fund Management LLC33,311$2.73M0.01%
UBS Group AG31,599$2.59M0.00%
TD Asset Management Inc26,730$2.19M0.00%
Charles Schwab Investment Management Inc26,604$2.18M0.00%
Catalio Capital Management, LP25,505$2.09M0.37%
Seven Grand Managers, LLC25,000$2.05M0.16%
State Street Corp21,600$1.77M0.00%
Marshall Wace, LLP20,902$1.71M0.00%
Goldman Sachs Group Inc20,715$1.70M0.00%
XTX Topco Ltd20,678$1.69M0.04%
Summit Partners Public Asset Management, LLC19,783$1.62M0.05%
Woodline Partners LP17,000$1.39M0.01%
Universal- Beteiligungs- und Servicegesellschaft mbH16,473$1.35M0.00%
Soros Fund Management LLCSuperinvestorSoros Fund Management14,500$1.19M0.02%
Manufacturers Life Insurance Company, The12,117$1.03M0.00%
Bellevue Group AG10,589$866.6K0.02%
Norges Bank10,000$818.4K0.00%
Squarepoint Ops LLC7,891$645.8K0.00%
Quadrature Capital Ltd7,499$613.7K0.01%
Alyeska Investment Group, L.P.7,000$572.9K0.00%
Ghisallo Capital Management LLC7,000$572.9K0.03%
FNY Investment Advisers, LLC6,080$497.0K0.14%
Walleye Capital LLC5,960$487.8K0.00%
Engineers Gate Manager LP5,829$477.0K0.01%
Millennium Management LLC5,706$467.0K0.00%
Royal Bank of Canada5,574$456.0K0.00%
Green Alpha Advisors, LLC5,326$435.9K0.40%
New York State Common Retirement Fund5,117$418.8K0.00%
Sigma Planning Corp5,000$409.2K0.01%
Brevan Howard Capital Management LP4,557$394.0K0.01%
Pathstone Holdings, LLC4,329$354.3K0.00%
Schonfeld Strategic Advisors LLC4,242$347.2K0.00%
Morgan Stanley3,599$294.5K0.00%
Caitong International Asset Management Co., Ltd2,813$230.2K0.06%
Renaissance Capital LLC2,454$200.8K0.14%
Nano Cap New Millennium Growth Fund L P1,000$81.8K0.07%
Smartleaf Asset Management LLC940$80.0K0.00%
Wells Fargo & Company933$76.4K0.00%
FMR LLC700$57.3K0.00%
RiverPark Advisors, LLC463$37.9K0.01%
Advisor Group Holdings, Inc.310$25.4K0.00%
Rossby Financial, LCC300$24.6K0.01%
Parallel Advisors, LLC255$20.9K0.00%
Legal & General Group Plc184$15.1K0.00%
Bank of America Corp146$11.9K0.00%
Steward Partners Investment Advisory, LLC100$8.18K0.00%
Quarry LP83$6.79K0.00%
Tower Research Capital LLC (TRC)71$5.81K0.00%
SBI Securities Co., Ltd.71$5.81K0.00%
Colonial Trust Advisors50$4.09K0.00%
MCF Advisors LLC39$3.19K0.00%
Aster Capital Management (DIFC) Ltd36$2.95K0.00%
Bell Investment Advisors, Inc29$2.37K0.00%
Essential Investment Partners LLC25$2.05K0.00%
UMA Financial Services, Inc.17$1.39K0.00%
Frazier Financial Advisors, LLC14$1.15K0.00%
Jones Financial Companies LLLP12$9820.00%
GAMMA Investing LLC3$2460.00%
Citigroup Inc1$820.00%
DV Trading LLC1$820.00%

Sold out (0)

Institutions that held BillionToOne, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

None.