EntityWire

EntityWire / EIN 81-1082020

Employer with a benefit plan

BILLIONTOONE, INC.

EIN 81-1082020. What DOL Form 5500 filings (EFAST2) and SEC EDGAR company filings say about this entity, with the source and date on every fact. Latest record 2026-08-28.

Employer with a benefit plan ยท SEC filer

BILLIONTOONE, INC.

1035 O'BRIEN DRIVE, MENLO PARK, CA 94025

EIN

81-1082020

SEC CIK

0002070849

SEC · 2026-08-28

Industry (SIC)

Services-Medical Laboratories (8071)

SEC · 2026-08-28

State of incorporation

DE

SEC · 2026-08-28

Ticker

BLLN

SEC · 2026-08-28

Latest SEC filing

4 2026-08-28

SEC · 2026-08-28

Benefit plan 1, 2024 filing

BILLIONTOONE 401(K) PLAN

DOL · 2025-07-29

Participants (start of year)

392

DOL · 2025-07-29

Plan features

code 2E2F2G2J2K2S2T3D

DOL · 2025-07-29

Plan type

Single-employer plan

DOL · 2025-07-29

Business code (NAICS)

621510

DOL · 2025-07-29

Benefit plan 501, 2024 filing

BILLIONTOONE, INC.

DOL · 2025-06-30

Participants (start of year)

393

DOL · 2025-06-30

Plan features

code 4A4B4D4E4F4H4Q

DOL · 2025-06-30

Plan type

Single-employer plan

DOL · 2025-06-30

From DOL Form 5500 filings (EFAST2) · SEC EDGAR company filings. Latest record 2026-08-28.

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