BILLIONTOONE INC

Ticker: BLLN CUSIP: 090168105 Class: Common Stock

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 208,594 Value ($000) $17,071 Avg Close $101.40 Range $80.51 - $138.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	208,594	$17,071	$101.40	$80.51 - $138.70