Filing Flows

Filing Flows › BillionToOne (BLLN) › Who owns the stock

Who owns BillionToOne (BLLN) stock

142 funds reported BillionToOne (BLLN) shares in their latest 13F filings, worth $1.8B in all. The largest holder is Adams Street Partners LLC ($205M). Last quarter 99 funds added to their stakes and 40 cut them.

Largest holders of BLLN (13F)Largest holders of BLLN (13F)Adams Street Partners LLC$205MPrice T Rowe Associates$121MBaillie Gifford$108MVanguard Portfolio Management LLC$101MInvesco$100MVanguard Capital Management LLC$95.9MNeuberger Berman Group LLC$91.7MBamco$89.0MWasatch Advisors LP$54.0MMillennium Management LLC$51.0M

Largest holders (13F)

FundSharesValueChangeQuarter
Adams Street Partners LLC1,711,430$205Munchanged2026-06-30
Price T Rowe Associates1,010,322$121Mincrease2026-06-30
Baillie Gifford901,420$108Mdecrease2026-06-30
Vanguard Portfolio Management LLC840,970$101Mincrease2026-06-30
Invesco835,614$100Mincrease2026-06-30
Vanguard Capital Management LLC799,468$95.9Mincrease2026-06-30
Neuberger Berman Group LLC764,215$91.7Mincrease2026-06-30
Bamco742,093$89.0Mincrease2026-06-30
Wasatch Advisors LP507,258$54.0Mdecrease2026-09-30
Millennium Management LLC425,032$51.0Mnew2026-06-30
Fuller & Thaler Asset Management418,565$50.2Mnew2026-06-30
Emerald Advisers, LLC375,858$45.1Mincrease2026-06-30
Next Century Growth Investors LLC364,467$43.7Mincrease2026-06-30
UBS Group AG344,287$41.3Mincrease2026-06-30
Ameriprise Financial320,612$38.5Mincrease2026-06-30

BillionToOne's latest quarter

BillionToOne, Q3 2026: revenue $123M (+47% year over year), operating margin 9.0%, net earnings $17.4M, operating cash flow $12.5M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most BLLN stock?

By the latest 13F filings: Adams Street Partners LLC ($205M); Price T Rowe Associates ($121M); Baillie Gifford ($108M); Vanguard Portfolio Management LLC ($101M); Invesco ($100M).

What is the short interest in BLLN?

2,932,232 shares were sold short at the 2026-10-15 settlement, 4.04% of the float.

Open the interactive view →

Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.