Why BLLN ranks #154 of 3,146
Up 12% over the past year while the S&P 500 rose 12%.
- Prenatal sales rose from $145.9M to $277.1M in fiscal 2025, 91% of the total, its 10-K says.
The other side, the company's words, and the timeline, for Pro members.
BillionToOne (BLLN) stock
$112.00
Quality Score
16
In its industry
#2of 18
Checks firing
5of 14
From 52-week high
-25.6%
BLLN's Quality Score fell 1 point on Tue, Nov 10, to 16.
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Key facts on BLLN
| Gross margin | Up 6.3 points on the year |
| Latest filing | 8-K, Nov 4 |
1 more reason behind BLLN's 16, free with an account →3 more reasons behind BLLN's 16, for Pro members.
BLLN in the news
What's next
Tue Nov 10: UBS Global Healthcare Conference 2026Investor conference · date confirmed.
1 more date ahead: the conference, for Pro members.
BLLN catalysts
Coming up
After its last 4 reports it closed -9.2% on average, higher 1 of 4 times.
Why BLLN scores 16
Excellentfor quality, not price, 5 of 14 chart checks firingWhat the Quality Score means
Well above its recent run. BLLN scores 16 today, against a median of 12 over its last 20 recorded sessions.
- +5Chart checks 5 of 14 firing right now, one point each
- +3Growth sales up 72% on the year, gross margin up 6.3 points
- Long-term trend adds
- Profit adds
- Persistence adds
- News adds
What every line is worth, and the reason behind it, on BLLN and every other stock.Get in free →
How BLLN ranks in Diagnostics
BLLN is #2 of 18 by Quality Score.
| Rank | Stock | Quality Score |
|---|---|---|
| 1 | ||
| 2 | ||
| 3 | ||
| Open for its score | ||
| Open for its score | ||
| Open for its score |
Net income over four quarters: BLLN $49.4M, GH -$485M, NTRA -$165M.
When does BLLN report earnings, and what happens after?
Expected to report Wed Mar 3, after the close (in 113 days).
What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.
What BLLN reported on Nov 4, 2026
The quarter
Sales of $123.0M, 47% more than a year ago; a profit of $0.32 a share, from $0.10.
“The increase in total revenue was driven by a 25% increase in the number of total tests delivered and an 18% increase in Overall ASP.”
Where the sales came from
| Line | Q3 2026 | Q2 2026 | Q3 2025 |
|---|---|---|---|
| Prenatal | $104M | $94.2M | $74.1M |
Each quarter's sales and their share of its total. Figures as filed (SEC filing, Nov 4)
The outlook
| Measure | Figure |
|---|---|
| Total revenue | $460M to $470M |
In the company's words
“BillionToOne also expects to operate the business such that it will continue to generate profitability similar to current levels, even with significant continued investments.”
From its results filing (SEC filing · Nov 4)
The numbers
- $5.4B
- today
- $437M
- up 71.9% on the year
- $33.9M
- last 12 months
Close after the report, last 3
+14.1%-38.9%-1.3%
May 6Aug 5Nov 4
| Reported | Gap | Reaction | 5 days |
|---|---|---|---|
| Nov 4, 2026 | -11.0% | -1.3% | not yet |
| Aug 5, 2026 | -29.9% | -38.9% | -35.0% |
| May 6, 2026 | +0.3% | +14.1% | +11.3% |
BLLN sales and profit by year
Sales grew every year from 2023 to 2025, to $305M. It turned a profit in 2025 after a loss in 2024.
BLLN has 5 of 14 chart checks firing
The other 10 checks on BLLN, and all 14 on every stock.Get in free →
BLLN RSI today: 54.7, above its 50-day and 200-day averages
RSI 54.7, MACD above signal, above both averages. Not scored.
The deep dive on BLLN
- What it does and how it makes moneyAnnual report, filed Mar 11, 2026SEC filing · Mar 11, 2026
- Where it stands
- What changed in its filingsSEC filing · Nov 4, 2026
- Who holds and trades it
- Against its closest peers
BLLN's officers and directors
Officers and directors with a Form 4 in the last 12 months.
Which ETFs hold BLLN?
In ETFs: BLLN is under 0.1% of VTI, the most of the 24 funds Breakaway covers, by their holdings as filed for Jun 30, 2026.
About BillionToOne
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.
Listed on Nasdaq on Nov 6, 2025, and is 87% above its $60 offer price now. Its IPO filing and first days
What BillionToOne says it competes with
“As a result, each of our products faces competition from a number of established and emerging companies.”
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- What would move BLLN's score: 3 things
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Straight AnswersStraight Answers
What does BLLN's Quality Score say?
BLLN scores 16 today, which Breakaway calls Excellent. It is #2 of 18 in Services-Medical Laboratories by Quality Score, with 5 of 14 chart checks firing. Up 12% over the past year while the S&P 500 rose 12%. Shares: 4.5 times the count a year ago (to Sep 30). Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.
What is BLLN's Quality Score?
BLLN scores 16 today, which Breakaway calls Excellent (15 to 19). That is #2 of 18 in Services-Medical Laboratories by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind BLLN's 16.
When does BLLN report earnings?
Expected to report Wed Mar 3, after the close, a date Breakaway expects from the company's usual timing; the company has not confirmed it. BLLN closed higher after 1 of its last 4 reports. Past behavior, not a forecast.
Are the prices delayed?
Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.