BLLN · NASDAQ · Medical - Diagnostics & Research

BillionToOne

Develops molecular diagnostics for prenatal screening and cancer treatment selection.

$93.00
After-hours close−0.31 (−0.33%)
At close$93.31(−1.94%)

Breakdown13F · Form 4

Institutions 24.65%Insiders

Shares outstanding 46.00M · Float 5.46M · 11.9% free float

Top shareholders13F · 13D/G · Form 4

HolderShares% outstandingFormFiled
Adams Street Partners LLC1.71M3.72%13FMay 15, 2026
Baillie Gifford & Co1.26M2.74%13FMay 8, 2026
Civilization Ventures Management, LLC1.10M2.39%13FMay 15, 2026
Bamco Inc /NY/741.5K1.61%13FMay 15, 2026
Price T Rowe Associates Inc /MD/737.5K1.60%13FMay 15, 2026

Institutions13F, as of Mar 31, 2026

94 holders · 11.34M shares · 29 new positions · 61 increased · 16 reduced · 28 closed

HolderShares% outstandingChg q/qFiled
Adams Street Partners LLC1.71M3.72%0May 15, 2026
Baillie Gifford & Co1.26M2.74%−8.2KMay 8, 2026
Civilization Ventures Management, LLC1.10M2.39%0May 15, 2026
Bamco Inc /NY/741.5K1.61%+571.5KMay 15, 2026
Price T Rowe Associates Inc /MD/737.5K1.60%+252.2KMay 15, 2026
Neuberger Berman Group LLC709.2K1.54%+8.3KMay 14, 2026
NVP Associates, LLC513.3K1.12%0May 15, 2026
Invesco Ltd.406.5K0.88%+216.7KMay 12, 2026

Beneficial owners13D/G · 5% or more, as filed

No 13D/G filer at 5% or more on record.

InsidersForm 4

Latest trades

Nothing filed in the last 12 months.

CongressHouse and Senate disclosures

Not reported.