BillionToOne, Inc. (BLLN)

NASDAQ

$102.77

$+4.91

(+5.02%)

After-Hours

BillionToOne, Inc. (BLLN) Live Price Chart

Last updated: ⁦2026-10-15 22:35:00⁩. Prices reflect the latest after-hours trading data. Stock price data is sourced from Massive.

Summary

BillionToOne, Inc. (BLLN) operates in the SERVICES-MEDICAL LABORATORIES sector and is listed on NASDAQ. The stock is currently priced at $102.77, with a market capitalisation of $4.46B and a P/E ratio of 153.64. Over the past 52 weeks, its price has ranged from $61.96 to $150.44. This page covers its latest market performance, valuation, price trends and company information.

Key Market Data

Market Cap	$4.46B
Open	$101.64
Day's High	$150.44
Day's Low	$61.96
Previous Close	$97.88
Volume	123.86K
Average Volume	678.26K
P/E Ratio	153.64
52-Week High	$150.44
52-Week Low	$61.96
Dividend Yield	--
Earnings Date	--

BillionToOne, Inc. (BLLN) After-Hours Stock Price

BillionToOne, Inc. (BLLN) is trading at $102.77 in after-hours trading as of 2026-10-15 22:13:00, up 4.99% ($4.89) from the regular-session close of $97.88.

After-hours trading shows how investors are pricing BLLN after the regular session closes. The current after-hours price is above the regular-session close, indicating positive after-hours sentiment.

BillionToOne, Inc. (BLLN) 7-Day Stock Price Change

Over the past seven days, BillionToOne, Inc. (BLLN) moved from $99.94 to $102.77, representing a gain of 2.83% ($2.83).

The stock traded between $90.48 and $112.87 during the period. The latest price is near the middle of the 7-day range, indicating moderate upward.

The average daily volume was 584.25 thousand shares, up versus the previous seven-day period, indicating higher trading activity.

BLLN 52-Week Price Position

Position in Range: 46.1%

52W Low$61.96

52W High$150.44

BLLN is currently trading at $102.77, placing it 46.1% of the way from its 52-week low of $61.96 to its 52-week high of $150.44. This percentage reflects the stock's relative position within its 52-week trading range, not its valuation or future performance.

What is BillionToOne, Inc. (BLLN)?

BillionToOne Inc is a molecular diagnostics company. It offers a portfolio of ultrasensitive tests covering prenatal genetic testing, cancer therapy selection, and response monitoring, which are based on its Quantitative Counting Templates (QCT) molecular counting platform. The company's product portfolio comprises UNITY, a portfolio of prenatal testing products that can conduct fetal risk analysis without requiring a paternal sample; Northstar Select, a ultrasensitive liquid biopsy test that provides insights into appropriate therapies for stage III or IV cancer patients; and Northstar Response, a tissue-free, pan-cancer, liquid biopsy test that measures several genomic loci uniquely methylated in cancer to provide insight into dynamic changes in therapy response.

BillionToOne, Inc. Information

Industry	SERVICES-MEDICAL LABORATORIES
Employees	713
Exchange	NASDAQ
Company Website	https://www.billiontoone.com

How to Buy BillionToOne, Inc. (BLLN) Stock on MEXC

Eligible investors can buy real shares of BillionToOne, Inc. (BLLN) through MEXC RealStocks. Follow these three steps to open a RealStocks account, transfer USDT, and place a US stock order.

Step 1: Open and Verify Your RealStocks Account

Log in to the MEXC App, go to Trade → RealStocks, and select Open Account. Complete the required account-opening and identity verification process with MEXC's partner licenced broker.

Step 2: Transfer USDT to Your RealStocks Account

Go to Wallets → RealStocks and transfer USDT from your Spot Account to your RealStocks Account. RealStocks are quoted in USD, while account funding can be completed using USDT.

Step 3: Search for BLLN and Place Your Order

Open the RealStocks trading page and search for BLLN. Select a market or limit order, enter the price and quantity as required, review the order details, and submit your order. Once filled, the corresponding real shares will be held in your RealStocks Account.

Frequently Asked Questions (FAQ)

1.What is BillionToOne, Inc. (BLLN) stock price today?

BillionToOne, Inc. (BLLN) is currently trading at $ 102.77, up 4.99% ($4.89) from the previous close of $ 97.88. Intraday prices update in real time during regular trading hours.

2.Is BLLN stock going up or down today?

As of 2026-10-15 22:13:00, BLLN is trading at $ 102.77, up 4.99% ($4.89) from its previous close of $ 97.88. The stock has traded between $ 61.96 and $ 150.44 during today’s regular session. Past price movements do not guarantee future results.

3.What is BLLN pre-market price?

As of 2026-10-15 22:13:00, BLLN is trading at $ 97.72 in pre-market trading, down 0.16% ($0.16) from the previous close of $ 97.88. Pre-market prices reflect trading activity before the regular session opens and may experience lower liquidity and higher volatility.

4.What is BLLN after-hours price?

As of 2026-10-15 22:13:00, BLLN is trading at $ 102.77 in after-hours trading, up 4.99% ($4.89) from the regular-session close of $ 97.88. After-hours prices may differ from the regular session’s opening price due to lower liquidity and wider bid-ask spreads.

5.Is BLLN stock trading now?

BLLN trades on the NASDAQ exchange during regular hours, Monday through Friday, 9:30 AM to 4:00 PM ET, excluding public holidays. Pre-market and after-hours trading are also available through select brokers outside these hours.

6.Where does BLLN sit relative to its 52-week high and low?

Over the past 52 weeks, BLLN has traded between a low of $ 61.96 and a high of $ 150.44. At $ 102.77, the stock is positioned 46.1% of the way from its 52-week low to its 52-week high, providing context for its current price within the one-year trading range.

7.What sector is BillionToOne, Inc. in?

BillionToOne, Inc. (BLLN) operates in the SERVICES-MEDICAL LABORATORIES sector. Sector classification helps investors compare it with companies exposed to similar market trends and competitive conditions.

8.What is BillionToOne, Inc.'s market capitalisation and where is it listed?

BillionToOne, Inc. is listed on the NASDAQ exchange with a market capitalisation of $ 4.46B. Market cap reflects the total market value of all outstanding shares and is commonly used to classify stocks by size.

9.How is BLLN valued in terms of P/E ratio and EPS?

BLLN trades at a P/E ratio of 153.64, based on trailing-twelve-month EPS of $ 0.64. P/E ratio compares the stock price to earnings per share and is a common starting point for assessing valuation relative to peers.

10.Does BillionToOne, Inc. pay a dividend?

BillionToOne, Inc. pays an indicated annual cash dividend of $ 0.00 per share, with a current dividend yield of 0.00% based on the latest share price. Dividend policies are subject to change at the board's discretion.