BILLIONTOONE INC

Ticker: BLLN CUSIP: 090168105 Class: Common Stock

NEXT CENTURY GROWTH INVESTORS LLC's Holding History (CIK: 0001134007)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 36,659 Value ($000) $3,000 Avg Close $101.40 Range $80.51 - $138.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	36,659	$3,000	$101.40	$80.51 - $138.70