NASDAQ · Health Care

BillionToOne Inc BLLN

BillionToOne, Inc., a precision diagnostics company, quantifies biology to create molecular diagnostics. The company provides molecular counting platform, which is designed to detect and measure DNA molecules at the single-count level to help enhance disease detection.

Medical Specialities

Company profile

Business mix

  • The company provides molecular counting platform, which is designed to detect and measure DNA molecules at the single-count level to help enhance disease detection.
  • It also offers UNITY Complete, a non-invasive prenatal screen that assesses fetal risk for aneuploidies, recessive conditions, and fetal antigens from a maternal blood draw.
  • BillionToOne, Inc. was incorporated in 2016 and is headquartered in Menlo Park, California.

Current key questions

  • Can the company's products, services, or pipeline expand adoption within diagnostics & research?
  • How do reimbursement, regulation, clinical data, patents, and commercial execution affect growth?
  • Can margins and cash flow improve while funding research, manufacturing, or go-to-market investment?
Holders 2 Current sample portfolio
Public mentions 0 Videos / interviews / letters
Valuation snapshot
PE 123.93 FCF 0.59% Buyback -214.28%
2026-06-07

Current firm holders

Firm Weight Value Filing period
Baillie Gifford legacy James Anderson 0.1% $99.5M 2026-03-31
Baron Capital Ron Baron 0.2% $58.5M 2026-03-31

Recent trading changes over the last 2 quarters

Net buyers 1 Last 2 13F filing periods
Net reducers 1 Last 2 13F filing periods
Unchanged holders 0 Share count unchanged
Increase amount $45.1M Estimated from net added shares
Reduction amount $644,940 Estimated from net reduced shares
Net share change / base shares +39.2% +563,315 / 1,438,163
Baron Capital Ron Baron 1 filing periods
13F 2026-03-31 Filed 2026-05-15
Major increase Shares 336.2% 13F value change +$44.6M
Settlement As of 13F 2026-03-31 · Filed 2026-05-15
Base shares 170,000 Last 2 periods +571,485 (+336.2%) Total shares 741,485 Value $58.5M
Baillie Gifford legacy James Anderson 1 filing periods
13F 2026-03-31 Filed 2026-05-08
Minor reduction Shares -0.6% 13F value change -$4.3M
Settlement As of 13F 2026-03-31 · Filed 2026-05-08
Base shares 1,268,163 Last 2 periods -8,170 (-0.6%) Total shares 1,259,993 Value $99.5M

Recent mentions

No public mentions.