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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
___________________________________
FORM 8-K
___________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): August 5, 2026
___________________________________
BillionToOne, Inc.
(Exact name of Registrant as specified in its charter)
___________________________________
Delaware
001-42934
81-1082020
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
1035 O’Brien Drive
Menlo Park, CA 94025
(Address of principal executive offices including zip code)
Registrant’s telephone number, including area code: (650) 460-2551

(Former name or former address, if changed since last report)
___________________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading
Symbol
Name of each exchange
on which registered
Class A common stock, par value $0.00001 per share
BLLN
The Nasdaq Stock Market LLC
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.




Item 2.02 Results of Operations and Financial Condition.

On August 5, 2026, BillionToOne, Inc. (the “Company”) issued a press release announcing financial results for the quarter ended June 30, 2026. A copy of the Company’s press release is attached hereto as Exhibit 99.1.

The information in this Current Report on Form 8-K and the accompanying Exhibit 99.1 shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and is not to be incorporated by reference into any filing by the Company under the Securities Act of 1933, as amended or the Exchange Act, regardless of any general incorporation language contained in such filing, unless otherwise expressly stated in such filing.

Item 9.01 Financial Statements and Exhibits
(d) Exhibits.

Exhibit
Description
99.1
104 Cover Page Interactive Data File (embedded within the Inline XBRL document)




SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

BillionToOne, Inc.
Date:
August 5, 2026
By:
/s/ Ross Taylor
Name:
Ross Taylor
Title:
Chief Financial Officer


EX-99.1 2 a991blln-earningspressrele.htm EX-99.1 Document
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BillionToOne Reports Second Quarter 2026 Results and Reiterates 2026 Revenue Guidance
MENLO PARK, CA, August 5, 2026 - BillionToOne, Inc. (NASDAQ: BLLN), a next-generation molecular diagnostics company with a mission to create powerful and accurate tests that are accessible to all, today reported its financial results for the second quarter ended June 30, 2026 and reiterated guidance for full year 2026.
Financial Highlights:
Total revenue of $109.4 million in the second quarter of 2026, compared to $66.6 million in the second quarter of 2025, an increase of 64%.
Prenatal clinical testing revenue was $94.2 million in the second quarter of 2026, an increase of 55% from the second quarter of 2025.
Oncology clinical testing revenue was $13.7 million in the second quarter of 2026, 176% higher than the $4.9 million reported in the second quarter of 2025.
Gross profit margin was 70% in the second quarter of 2026, compared to 65% in the second quarter of 2025, a 5 percentage-point increase year-over-year.
196,000 tests delivered in the second quarter of 2026, compared to 145,000 tests delivered in the second quarter of 2025, an increase of 35%.
Income from operations of $5.5 million in the second quarter of 2026, compared to a $1.6 million operating loss in the second quarter of 2025.
Free cash flow, defined as cash flow from operations minus capital expenditures, was $5.1 million in the second quarter of 2026.
Reiterating 2026 full year revenue guidance to be in a range of $450 million to $465 million, which represents 48% to 52% growth over 2025.
Expects to operate the business such that it will continue to generate profitability similar to current levels, even with significant continued investments.
Recent Operating Highlights:
Today, we announced the upcoming expansion of our Unity Fetal Risk Screen with the addition of a 130-gene panel, which is the largest single-gene NIPT panel available. Our expanded panel significantly broadens the addressable market for Unity and reinforces BillionToOne's position as the leader in cfDNA testing for recessive conditions. This expanded panel will be available commercially on August 17, 2026.
Today, we announced the planned launch of Northstar Origin, an add-on tissue-of-origin feature for our Northstar Select test that can benefit patients with unknown or uncertain diagnoses. This feature will be available commercially on September 1, 2026.
In June 2026, we announced the peer-reviewed data published in The Journal of Liquid Biopsy, in collaboration with Allegheny Health Network, demonstrating that Northstar Response was a stronger predictor of survival than standard-of-care imaging in patients with advanced solid tumors receiving immunotherapy or immunotherapy combination therapy.
"Our second quarter demonstrated the durability of our model, with our differentiated technology platform, category-defining products, and disciplined execution driving continued growth and profitability," said Dr. Oguzhan Atay, Co-Founder and CEO of BillionToOne. "We grew revenue 64% year-over-year to a $438
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million annualized run-rate while advancing our product roadmap with the launch of Unity Confirm and the upcoming launches of our expanded Fetal Risk Screen and Northstar Origin. We believe we are still in the earliest chapters of what our smNGS platform can achieve, and we remain relentlessly focused on transforming molecular diagnostics and healthcare.”
Three Months Ended
June 30, (Unaudited)
Six Months Ended
June 30, (Unaudited)
2026 2025 % 2026 2025 %
Revenue ($ in millions)
Prenatal $ 94.2  $ 60.9  55  % $ 190.8  $ 116.9  63  %
Oncology $ 13.7  $ 4.9  176  % $ 24.4  $ 7.1  242  %
Clinical trial support and other services $ 1.5  $ 0.8  99  % $ 2.7  $ 1.5  81  %
Total Revenue $ 109.4  $ 66.6  64  % $ 217.8  $ 125.5  74  %
Note: Numbers may not add due to rounding
Three Months Ended
June 30, (Unaudited)
Six Months Ended
June 30, (Unaudited)
2026 2025 % 2026 2025 %
Total tests accessioned 197,000  148,000  33  % 386,000  285,000  35  %
Total tests delivered 196,000  145,000  35  % 384,000  275,000  40  %
Overall ASP $ 551  $ 455  21  % $ 561  $ 450  25  %
Second Quarter 2026 Financial Results
Total revenue was $109.4 million in the second quarter of 2026 compared to $66.6 million in the second quarter of 2025, an increase of 64%. The increase in total revenue was driven by a 35% increase in the number of total tests delivered and a 21% increase in Overall ASP. Both prenatal and oncology delivered strong test volume growth year-over-year.
Gross profit was $77.1 million in the second quarter of 2026, compared to $43.5 million in the second quarter of 2025, representing a gross margin of 70% in the second quarter of 2026 and 65% in the second quarter of 2025. An increase in Overall ASP drove the improvement in gross profit margin compared to the second quarter of 2025. Overall cost-per-test increased slightly in the second quarter of 2026 compared to last year, as improvements in cost-per-test for both of our oncology products and for our prenatal products were offset by the faster growth of our oncology products, which have higher costs-per-test.
Total operating expenses were $71.6 million in the second quarter of 2026, compared to $45.1 million in the second quarter of 2025 an increase of 59%.
Income from operations was $5.5 million in the second quarter of 2026, compared to a loss from operations of $1.6 million in the second quarter of 2025. Operating margin was 5% in the second quarter of 2026.
Net income in the second quarter of 2026 was $8.1 million, or $0.15 per diluted share, compared to a net loss of $0.2 million, or $(0.02) per diluted share, in the second quarter of 2025.
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Financial Outlook
BillionToOne continues to expect full year 2026 total revenue of $450.0 million to $465.0 million, representing growth of 48% to 52% compared to full year 2025.
BillionToOne also expects to operate the business such that it will continue to generate profitability similar to current levels, even with significant continued investments.
Webcast and Conference Call Information
BillionToOne will host a conference call today, August 5, 2026, at 1:30pm Pacific Time / 4:30pm Eastern Time. Investors interested in listening to the conference call are required to register online. A live and archived webcast of the event for interested listeners can be accessed at
https://investors.billiontoone.com/.
About BillionToOne
Headquartered in Menlo Park, California, BillionToOne is a molecular diagnostics company with a mission to create powerful and accurate tests that are accessible to all. The company's patented Quantitative Counting Templates™ (QCT™) molecular counting platform is the only multiplex technology that can accurately count DNA molecules at the single-molecule level.
Forward-Looking Statements
This press release contains certain forward-looking statements within the meaning of federal securities laws. These forward-looking statements generally are identified by the words “believe,” “project,” “expect,” “anticipate,” “estimate,” “intend,” “strategy,” “future,” “opportunity,” “plan,” “may,” “should,” “will,” “would,” “will be,” “will continue,” “will likely result,” and similar expressions. Forward-looking statements are predictions, projections and other statements about future events that are based on current expectations and assumptions and, as a result, are subject to risks and uncertainties. Forward-looking statements in this press release include, but are not limited to, statements regarding revenue, income and other financial information for the full year of 2026. These statements are based on management’s current expectations, forecasts and assumptions, and actual outcomes and results could differ materially from these statements due to a number of factors, some of which are beyond BillionToOne’s control. These and additional risks and uncertainties that could affect BillionToOne’s financial and operating results and cause actual results to differ materially from those indicated by the forward-looking statements made in this press release. These risks and uncertainties include those discussed under the captions “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operation” and elsewhere in BillionToOne’s most recently filed quarterly report on Form 10-Q, the annual report on Form 10-K and other filings BillionToOne makes with the Securities and Exchange Commission from time to time. The forward-looking statements in this press release are based on information available to BillionToOne as of the date hereof, and BillionToOne disclaims any obligation to update any forward-looking statements provided to reflect any change in its expectations or any change in events, conditions, or circumstances on which any such statement is based, except as required by law. These forward-looking statements should not be relied upon as representing BillionToOne’s views as of any date subsequent to the date of this press release.
Non-GAAP financial measures
We use certain non-GAAP financial measures to supplement our unaudited financial results, which are presented in accordance with GAAP. These non-GAAP financial measures include EBITDA, adjusted
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EBITDA and free cash flow. By excluding the impact of certain items that we believe do not directly reflect our underlying operations, we are of the opinion that EBITDA, adjusted EBITDA and free cash flow provide meaningful supplemental information regarding our performance. Accordingly, we believe these non-GAAP financial measures are useful to investors and others because they allow for additional information with respect to financial measures used by management in its financial and operational decision-making and forecasting. These metrics also provide investors and other users of our financial information with additional tools to compare business performance across companies and periods, while eliminating the effects of items that may vary for different companies for reasons unrelated to core operating performance. However, there are a number of limitations related to the use of non-GAAP financial measures, and these non-GAAP measures should be considered in addition to, not as a substitute for or in isolation from, our financial results prepared in accordance with GAAP. Other companies, including companies in our industry, may calculate these non-GAAP financial measures differently or not at all, which reduces their usefulness as comparative measures. A reconciliation between GAAP and non-GAAP financial information is provided immediately following the financial tables. A reconciliation of the forecasted range for adjusted EBITDA for the full year 2026 is not included in this release due to the number of variables in the projected range and because we are currently unable to quantify accurately certain amounts that would be required to be included in the U.S. GAAP measure or the individual adjustments for such reconciliation.
EBITDA
We define EBITDA as net income (loss) adjusted for income taxes, interest income, interest expense, and depreciation and amortization expense.
Adjusted EBITDA
We define Adjusted EBITDA as net income (loss) adjusted for income taxes, interest income, interest expense, depreciation and amortization expense, and certain other items which include significant non-cash items events that are highly variable, significant in size, and that we do not believe are indicative of ongoing or future business operations, which include: stock-based compensation expense; change in fair value of term loan; and change in fair value of warrant liabilities.
Free Cash Flow
We define Free Cash Flow as net cash provided by operating activities adjusted for purchases of property and equipment.
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BillionToOne, Inc.
Statements of Operations and Comprehensive Income (Loss)
(in thousands, except per share amounts, unaudited)
Three Months Ended
June 30,
Six Months Ended
June 30,
2026 2025 2026 2025
Revenue $ 109,448  $ 66,573  $ 217,836  $ 125,536 
Cost of revenue 32,341  23,107  61,633  44,098 
Gross profit 77,107  43,466  156,203  81,438 
Operating expenses:
Research and development 17,315  11,751  32,007  22,181 
Selling, general and administrative 54,289  33,342  100,859  63,199 
Total operating expenses 71,604  45,093  132,866  85,380 
Income (loss) from operations 5,503  (1,627) 23,337  (3,942)
Other income (expense):
Interest income 4,694  1,451  9,339  2,957 
Interest expense (8) (32) (18) (72)
Change in fair value of term loan (2,968) (10) (7,229) (3,102)
Other income (expense), net 297  (14) 598  39 
Total other income (expense) 2,015  1,395  2,690  (178)
Income (loss) before provision for income taxes 7,518  (232) 26,027  (4,120)
Provision for income taxes (536) 14  114 
Net income (loss) and comprehensive income (loss) $ 8,054  $ (246) $ 26,024  $ (4,234)
Net income (loss) per share, basic and diluted:
Net income (loss) per share, basic $ 0.17  $ (0.02) $ 0.56  $ (0.41)
Net income (loss) per share, diluted $ 0.15  $ (0.02) $ 0.48  $ (0.41)
Weighted-average shares used in calculating net income (loss) per share, basic and diluted:
Weighted-average shares used in calculating net income (loss) per share, basic 46,403,350 10,385,000 46,169,335 10,349,146
Weighted-average shares used in calculating net income (loss) per share, diluted 54,455,523 10,385,000 53,743,241 10,349,146
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BillionToOne, Inc.
Balance Sheets
(in thousands, except share amounts, unaudited)
June 30, 2026 December 31, 2025
Assets
Current assets:
Cash and cash equivalents $ 548,628  $ 495,975 
Accounts receivable 74,894  41,617 
Inventories 21,135  17,545 
Prepaid expenses and other current assets 6,719  5,421 
Total current assets 651,376  560,558 
Property and equipment, net
24,932  20,361 
Operating lease right-of-use assets, net
47,829  46,742 
Other non-current assets
5,559  4,993 
Total assets $ 729,696  $ 632,654 
Liabilities and stockholders’ equity
Current liabilities:
Accounts payable $ 12,205  $ 7,184 
Accrued expenses and other current liabilities 12,603  7,247 
Accrued commissions 3,833  3,912 
Accrued compensation and employee benefits 18,000  12,551 
Common stock warrant liability —  9,282 
Deferred revenue, current 2,328  2,188 
Operating lease liabilities, current 6,343  5,079 
Financing lease liabilities, current 413  519 
Total current liabilities 55,725  47,962 
Operating lease liabilities, non-current 45,981  45,723 
Financing lease liabilities, non-current 153  348 
Deferred revenue, non-current —  1,290 
Long-term debt 91,031  57,226 
Total liabilities 192,890  152,549 
Stockholders’ equity:
Class A common stock, $0.00001 par value, 800,000,000 shares authorized as of June 30, 2026 and December 31, 2025; 42,283,900 and 41,252,105 shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively
—  — 
Class B common stock, $0.00001 par value; 10,000,000 shares authorized as of June 30, 2026 and December 31, 2025; 4,542,650 and 4,552,650 shares issued and outstanding as of June 30, 2026 and December 31, 2025, respectively
—  — 
Additional paid-in capital
787,321  756,644 
Accumulated other comprehensive loss (1,792) (1,792)
Accumulated deficit
(248,723) (274,747)
Total stockholders’ equity
536,806  480,105 
Total liabilities and stockholders’ equity
$ 729,696  $ 632,654 
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BillionToOne, Inc.
Statements of Cash Flows
(in thousands, unaudited)

Six Months Ended June 30,
2026 2025
Cash flows from operating activities:
Net income (loss)
$ 26,024  $ (4,234)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Stock-based compensation
14,726  5,106 
Depreciation and amortization
3,567  3,540 
Amortization of operating right-of-use assets
2,819  2,455 
Loss on disposal of fixed assets
64 
Change in fair value of common stock warrant liability
(62) (63)
Change in fair value of redeemable convertible preferred stock warrant liability
21 
Change in fair value of term loan
3,805  591 
Changes in operating assets and liabilities:
Accounts receivable
(33,277) (5,729)
Inventories
(3,590) (5,002)
Prepaid expenses and other current assets
(1,025) 2,417 
Other non-current assets
(566) (2,698)
Accounts payable
4,866  3,313 
Accrued expenses and other current liabilities
6,333  2,393 
Accrued commissions
(79) 216 
Accrued compensation and employee benefits
4,495  4,207 
Deferred revenue
(1,150) (590)
Operating lease liabilities
(2,384) (2,139)
Net cash provided by operating activities 24,566  3,807 
Cash flows from investing activities:
Purchases of property and equipment
(8,520) (5,221)
Net cash used in investing activities (8,520) (5,221)
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BillionToOne, Inc.
Statements of Cash Flows
(in thousands, unaudited)

Six Months Ended June 30,
2026 2025
Cash flows from financing activities:
Proceeds from issuance of debt 30,000 
Principal payments on finance lease liabilities
(301) (1,011)
Payment of deferred offering costs
(504) (625)
Proceeds from exercise of stock options
7,412  531 
Net cash provided by (used in) financing activities 36,607  (1,105)
Net increase (decrease) in cash and cash equivalents 52,653  (2,519)
Cash and cash equivalents at beginning of period
495,975  191,477 
Cash and cash equivalents at end of period
$ 548,628  $ 188,958 
Supplemental cash flow disclosure:
Cash payments for interest
$ 3,442  $ 2,583 
Cash paid for income taxes
$ 173  $ 444 
Supplemental non-cash investing and financing activities:
Purchases of property and equipment in accounts payable and accrued expenses and other current liabilities
$ 2,073  $ 1,365 
Deferred offering costs in accounts payable and accrued expenses and other current liabilities
$ $ 1,916 
Right-of-use assets obtained in exchange for new operating lease liabilities
$ 4,010  $
Cash paid for amounts included in the measurement of operating lease liabilities
$ 4,647  $ 4,391 
Net exercise of Class A common stock warrants
$ 9,220  $
Operating cash flows from financing leases (interest paid)
$ 18  $ 68 
Exercise of stock options for which cash had not been received $ 276  $

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BillionToOne, Inc.
Reconciliation of Net Income (Loss) to EBITDA
(in thousands, unaudited)
Three Months Ended
June 30,
Six Months Ended
June 30,
2026 2025 2026 2025
Net income (loss) $ 8,054  $ (246) $ 26,024  $ (4,234)
Provision for income taxes (536) 14  114 
Interest (income) (4,694) (1,451) (9,339) (2,957)
Interest expense 32  18  72 
Depreciation and amortization 1,829  1,746  3,567  3,540 
EBITDA $ 4,661  $ 95  $ 20,273  $ (3,465)
Reconciliation of Net Income (Loss) to Adjusted EBITDA
(in thousands, unaudited)
Three Months Ended
June 30,
Six Months Ended
June 30,
2026 2025 2026 2025
Net income (loss) $ 8,054  $ (246) $ 26,024  $ (4,234)
Provision for income taxes (536) 14  114 
Interest (income) (4,694) (1,451) (9,339) (2,957)
Interest expense 32  18  72 
Depreciation and amortization 1,829  1,746  3,567  3,540 
Stock-based compensation expense 8,217  2,732  14,726  5,106 
Change in fair value of term loan 2,968  10  7,229  3,102 
Change in fair value of warrant liabilities 297  14  (62) (42)
Adjusted EBITDA $ 16,143  $ 2,851  $ 42,166  $ 4,701 
Reconciliation of Free Cash Flow to Net Cash Provided by Operating Activities
(in thousands, unaudited)
Three Months Ended
June 30,
Six Months Ended
June 30,
2026 2025 2026 2025
Net cash provided by operating activities $ 9,136  $ 1,182  $ 24,566  $ 3,807 
Purchases of property and equipment (4,049) (2,874) (8,520) (5,221)
Free cash flow $ 5,087  $ (1,692) $ 16,046  $ (1,414)
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Investor Contact
ir@billiontoone.com
Media Contact
billiontoone@moxiegrouppr.com
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