SCHEDULE 13G

Billiontoone Inc

Class A Common Stock, par value $0.00001 per share · CUSIP: 090168105

Event date: 2025-11-07

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• NeoTribe Ventures I, L.P. ("NTV I")

  Shares: 2,710,286.00 · Class: 6.6%

• NeoTribe Associates I, L.P. ("NTA I")

  Shares: 109,204.00 · Class: 0.3%

• NeoTribe Partners I, LLC ("NTP I")

  Shares: 2,819,490.00 · Class: 6.8%

• Neotribe Ignite Fund I, L.P. ("NTIF I")

  Shares: 1,297,799.00 · Class: 3.1%

• Neotribe Ignite Partners I, LLC ("NTIP I")

  Shares: 1,297,799.00 · Class: 3.1%

• Neotribe SPV I BTO, LLC ("NT SPV I")

  Shares: 242,216.00 · Class: 0.6%

• Neotribe Partners SPV I BTO, LLC ("NTP SPV I")

  Shares: 242,216.00 · Class: 0.6%

• Krishna Kittu Kolluri ("Kolluri")

  Shares: 4,359,505.00 · Class: 10.6%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.