13F

Stock

BillionToOne, Inc.

BLLN · held by 89 managers

Reported value

$737.5M

Holders

89

+4 new · −0 exited

Holders’ est. mark

—

Need a prior quarter

Largest holder

$140.1M

ADAMS STREET PARTNERS LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
ADAMS STREET PARTNERS LLC1.71M$140.1M—Held
BAILLIE GIFFORD & CO1.27M$103.8M—Held
Civilization Ventures Management, LLC1.1M$90M—Held
NEUBERGER BERMAN GROUP LLC700.9K$57.4M—Held
NVP ASSOCIATES, LLC513.3K$42M—Held
JPMORGAN CHASE & CO392K$32.1M—Held
Vanguard352.4K$28.8M—Held
Napean Trading & Investment Co (Singapore) PTE Ltd233.3K$19.1M—Held
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC227.7K$18.6M—Held
ALLIANCEBERNSTEIN L.P.208.6K$17.1M—Held
Invesco Ltd.189.8K$15.5M—Held
EMERALD ADVISERS, LLC188.9K$15.5M—Held
Capital International Investors178K$14.6M—Held
BAMCO INC /NY/170K$13.9M—Held
MASSACHUSETTS FINANCIAL SERVICES CO /MA/163.4K$13.4M—Held
Citadel148.9K$12.2M—Held
AMERIPRISE FINANCIAL INC122.3K$10M—Held
EMERALD MUTUAL FUND ADVISERS TRUST118.1K$9.67M—Held
PFM Health Sciences, LP87.5K$7.16M—Held
Siren, L.L.C.83.8K$6.86M—Held
GEODE CAPITAL MANAGEMENT, LLC82K$6.72M—Held
PERCEPTIVE ADVISORS LLC72.8K$5.96M—Held
BlackRock, Inc.71.4K$5.84M—Held
Deep Track Capital, LP50K$4.09M—Held
BRAIDWELL LP50K$4.09M—Held
MYDA Advisors LLC40.2K$3.29M—Held
NEXT CENTURY GROWTH INVESTORS LLC36.7K$3M—Held
Verition Fund Management LLC33.3K$2.73M—Held
UBS Group AG31.6K$2.59M—Held
TD Asset Management Inc26.7K$2.19M—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC26.6K$2.18M—Held
Catalio Capital Management, LP25.5K$2.09M—Held
SEVEN GRAND MANAGERS, LLC25K$2.05M—Held
State Street21.6K$1.77M—Held
MARSHALL WACE, LLP20.9K$1.71M—Held
GOLDMAN SACHS GROUP INC20.7K$1.7M—Held
XTX Topco Ltd20.7K$1.69M—Held
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC19.8K$1.62M—Held
Woodline Partners LP17K$1.39M—Held
Universal- Beteiligungs- und Servicegesellschaft mbH16.5K$1.35M—Held
Soros Fund Management14.5K$1.19M—Held
MANUFACTURERS LIFE INSURANCE COMPANY, THE12.1K$1.03M—Held
Bellevue Group AG10.6K$866.6K—Held
NORGES BANK10K$818.4K—New
Squarepoint Ops LLC7.89K$645.8K—Held
Quadrature Capital Ltd7.5K$613.7K—Held
Alyeska Investment Group, L.P.7K$572.9K—Held
Ghisallo Capital Management LLC7K$572.9K—Held
Walleye Capital LLC5.96K$487.8K—Held
Engineers Gate Manager LP5.83K$477K—Held
MILLENNIUM MANAGEMENT LLC5.71K$467K—Held
ROYAL BANK OF CANADA5.57K$456K—Held
Green Alpha Advisors, LLC5.33K$435.9K—Held
NEW YORK STATE COMMON RETIREMENT FUND5.12K$418.8K—Held
Sigma Planning Corp5K$409.2K—Held
Brevan Howard Capital Management LP4.56K$394K—Held
Pathstone Holdings, LLC4.33K$354.3K—Held
Schonfeld Strategic Advisors LLC4.24K$347.2K—Held
MORGAN STANLEY3.6K$294.5K—New
Caitong International Asset Management Co., Ltd2.81K$230.2K—Held
Renaissance Capital LLC2.45K$200.8K—Held
NANO CAP NEW MILLENNIUM GROWTH FUND L P1K$81.8K—Held
Smartleaf Asset Management LLC940$80K—Held
WELLS FARGO & COMPANY/MN933$76.4K—Held
Fidelity700$57.3K—Held
PRICE T ROWE ASSOCIATES INC /MD/485.3K$39.7K—Held
RiverPark Advisors, LLC463$37.9K—Held
OSAIC HOLDINGS, INC.310$25.4K—Held
Rossby Financial, LCC300$24.6K—Held
Parallel Advisors, LLC255$20.9K—Held
Legal & General Group Plc184$15.1K—Held
BANK OF AMERICA CORP /DE/146$11.9K—New
T. Rowe Price Investment Management, Inc.101.1K$8.28K—Held
Steward Partners Investment Advisory, LLC100$8.18K—Held
Quarry LP83$6.79K—Held
Tower Research Capital LLC (TRC)71$5.81K—Held
SBI Securities Co., Ltd.71$5.81K—Held
Colonial Trust Advisors50$4.09K—Held
LORD, ABBETT & CO. LLC46.3K$3.79K—Held
MCF Advisors LLC39$3.19K—Held
Aster Capital Management (DIFC) Ltd36$2.95K—Held
Bell Investment Advisors, Inc29$2.37K—Held
Physician Wealth Advisors, Inc.17$1.39K—Held
Frazier Financial Advisors, LLC14$1.15K—Held
JONES FINANCIAL COMPANIES LLLP12$982—Held
FNY Investment Advisers, LLC6.08K$497—New
GAMMA Investing LLC3$246—Held
DV Trading LLC1$82—Held
CITIGROUP INC1$82—Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.