SpaceX~$1TSpaceX~$1T
Insider Buying
Subscribe
All stock lists

BillionToOne, Inc. (NASDAQ:BLLN)

US · Delayed Price · Currency is USD
95.75
 
Market Cap4.40B-4.3%
Revenue (ttm)n/a
Net Incomen/a
EPSn/a
Shares Out46.00M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volumen/a
Openn/a
Previous Closen/a
Day's Rangen/a
52-Week Rangen/a
Beta0.34
Analystsn/a
Price Target128.00(+33.68%)
Earnings Daten/a
Insider Score
––Not scored
BLLN Insider Score

Insiders filed in the last 90 days, but none of those trades qualified for scoring — round-trip buys and filings whose price is far off the market are excluded.

About BLLN

BillionToOne, Inc. is a specialized diagnostics company that innovates by precisely quantifying biological data to create advanced molecular diagnostic solutions. Central to their operations is a cutting-edge molecular counting platform, meticulously engineered to identify and measure individual DNA molecules, thereby significantly enhancing the precision of disease detection. Their product portfolio includes: UNITY Complete: A non-invasive prenatal screen that assesses a fetus's risk for aneuploidies, recessive genetic conditions, and fetal antigens, all from a simple maternal blood sample. Northstar Select: A liquid biopsy test designed to pinpoint specific mutations present in tumors, encompassing deletions, insertions, and point mutations. Northstar Response: A diagnostic tool that enables continuous tracking of cancer progression through detailed methylation assessment. Established in 2016, BillionToOne, Inc. conducts its operations from its headquarters located in Menlo Park, California.

Address
1035 O’Brien Drive, Menlo Park, CA, 94025, US
Market Cap
4.40 billion
Employees
713
Industrial Classification
Medical - Diagnostics & Research

What Are Insiders Doing?

Open-market buy / sell balanceNet Selling
Sold
$8.40M
Bought
$0

View the trades behind this meter — each links to its SEC Form 4 →

Open-market Form 4 purchases (code P) vs sales (code S) on file for this company. Grants, option exercises and tax withholdings are excluded. Informational only.

1 Day
-4.19%
5 Days
-10.04%
1 Month
-3.34%
6 Months
+4.10%
1 Year
-4.25%

$BLLN stock is featured in our Insider Score Rankings, and Insider Trades datasets.

→ All Stock Lists

Recently reported changes in BLLN holdings by institutional investors

Scanning latest 13F filings…

Latest 0 13F filings · Source: SEC EDGAR

View all institutional owners →

Insider Trading

Quarterly net insider trading by BLLN's directors and management

Net Shares Purchased by Insiders−60k−30k02025Q42026Q12026Q22026Q32026Q4

Source: SEC EDGAR (Form 4)

Corporate Lobbying

BLLN Estimated quarterly lobbying spending

Source: U.S. Senate LDA

BLLN Revenue by Segment

$109.45MTotal
SegmentRevenue% of All
Prenatal$94.25M86.11%
Oncology$13.66M12.48%
Clinical trial support and other services$1.54M1.40%

As of: Q2 2026 (Jun 30, 2026) · Source: SEC EDGAR (10-Q)

U.S. Patents

New BLLN patent grants

Loading patent grants…

Source: USPTO Open Data Portal

Government Contracts

Estimated quarterly amount awarded to BLLN from public contracts

Source: USAspending.gov

BLLN Insider Score

Our composite score: insider buying, sector, volume, tone & dilution

Members only

The live Insider Score for BLLN is included with Insider Access.

Unlock Insider Score

Bull Case vs Bear Case

AI-generated from BLLN’s recent data — informational, not investment advice

Generating analysis…

Insider Score

Our 0–100 Insider Score and the signals behind it.

Members only

The live Insider Score and its full factor breakdown are included with Insider Access.

Unlock Insider Score

Recent Insider Activity

Buys
0
Sells
22
Buy Value
$0
Distinct Buyers
0

Frequently Asked Questions

Disclaimer — Informational only — not investment advice. Insider transaction data is sourced from SEC Form 4 filings; market data from public feeds and may be delayed. The Insider Score is a proprietary score for research purposes and does not predict future performance. Always do your own research.