BillionToOne, Inc. - Class A common stock (BLLN) Institutional Ownership

13F Institutional Holders and Ownership History for Q4 2025

Type / Class
Equity / Class A common stock
Symbol
BLLN on Nasdaq
Shares outstanding
40,241,005
Price per share
$96.85
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of BillionToOne, Inc. - Class A common stock (BLLN) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Humming Bird Ventures Management NV 20% $645,491,476 7,887,237 Hummingbird Ventures Management NV 06 Nov 2025

Institutional Holders of BillionToOne, Inc. - Class A common stock (BLLN) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 2,276,269 $186,291,373 +$186,209,530 $81.84 20