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ORGANIZATION AND SIGNIFICANT ACCOUNTING POLICIES (Policies)
6 Months Ended
Jun. 30, 2026
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Basis of Presentation and Consolidation
Basis of Presentation and Consolidation
Our unaudited condensed consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States, or U.S. GAAP and applicable rules and regulations of the SEC regarding interim financial reporting and do not contain all information that is included in the annual financial statements and notes thereto of the Company. The unaudited condensed consolidated financial statements include the accounts of Pacific Biosciences and our wholly owned subsidiaries. Certain information and footnote disclosures typically included in our audited financial statements have been condensed or omitted. The accompanying unaudited condensed consolidated financial statements have been prepared on a consistent basis with the December 31, 2025 audited consolidated financial statements and include all adjustments, consisting of only normal recurring adjustments, necessary to fairly state our financial position, results of operations, comprehensive loss, and cash flows for the period, but are not necessarily indicative of the results to be expected for the entire year or any future periods. All intercompany transactions and balances have been eliminated.
Use of Estimates
Use of Estimates
The preparation of financial statements in conformity with U.S. GAAP requires us to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes to the financial statements. On an ongoing basis, we evaluate our significant estimates, including those relating to the valuation of inventory, fair value of contingent consideration, valuation of acquired intangible assets, useful lives assigned to finite-lived assets, asset impairment assessments, computation of provisions for income taxes, and valuations related to our convertible senior notes. While the extent of the potential impact of current macroeconomic conditions on our business is highly uncertain, we considered information available related to assumptions and estimates used to determine the results reported and asset valuations as of June 30, 2026. Actual results could differ materially from these estimates.
Cash, Cash Equivalents, Restricted Cash and Investments
Cash, Cash Equivalents, Restricted Cash, and Investments
We consider all highly liquid investments purchased with an original maturity of 90 days or less to be cash equivalents. Cash equivalents may be comprised of money market funds, certificates of deposit, commercial paper, corporate bonds and notes, and government agencies’ securities.
We classify our investments in debt securities as available-for-sale and report the investments at fair value in current assets. We evaluate our available-for-sale investments in unrealized loss positions and assess whether the unrealized loss is credit-related. Unrealized gains and losses that are not credit-related are recognized in accumulated other comprehensive income (loss) in stockholders’ (deficit) equity. Realized gains and losses, expected credit losses, as well as interest income, on available-for-sale securities are reported in other income, net. The cost used in the determination of gains and losses of securities sold is based on the specific identification method. The cost of marketable securities is adjusted for the amortization of premiums and discounts to expected maturity. Premium and discount amortization is recorded in other income, net. We have the ability to hold, and do not intend to sell investments in unrealized loss positions before the recovery of their amortized cost bases.
Our investment portfolio at any point in time contains investments in cash deposits, money market funds, corporate debt securities and U.S. government and agency securities with high credit ratings. We have established guidelines regarding diversification and maturities of investments with the objectives of maintaining safety and liquidity, while maximizing yield.
Restricted cash includes cash that is not readily available for use in the Company’s operating activities. Restricted cash is primarily comprised of cash pledged under letters of credit.
Concentration and Other Risks
Financial instruments that potentially subject us to credit risk consist principally of interest-bearing investments and trade receivables. We maintain cash, cash equivalents, and investments with various major financial institutions. The counterparties to the agreements relating to our investment securities consist of various major corporations, financial institutions, municipalities, and government agencies of high credit standing. As of June 30, 2026, most of our cash was deposited with U.S. financial institutions. Our investment policy generally restricts the amount of credit exposure to any one issuer. There is no limit to the percentage of the portfolio that may be maintained in securities issued by the U.S. Treasury and U.S. Government Agencies, or other securities fully backed by U.S. Treasury or Government agencies. We have not experienced significant credit losses from financial institutions.
We perform credit evaluations of our customers and generally require no collateral. We have not experienced significant credit losses on our financial instruments or trade receivables to date, although our exposure to credit losses may increase if our customers are adversely affected by economic pressures or other customer-specific factors.
For the three and six months ended June 30, 2026 and 2025, no customer accounted for 10% or more of our total revenue.
As of June 30, 2026 and December 31, 2025, 42% and 40% of our accounts receivable were from domestic customers, respectively. As of June 30, 2026 and December 31, 2025, no customer represented 10% or more of our net accounts receivable.
We currently purchase several key parts and components used in the manufacture of our products from a limited number of suppliers. Generally, we have been able to obtain an adequate supply of such parts and components but in certain instances have incurred additional costs to secure a supply of constrained material. An extended interruption in the supply of parts and components currently obtained from our suppliers could adversely affect our business and condensed consolidated financial statements.
Concentration and Other Risk
Concentration and Other Risks
Financial instruments that potentially subject us to credit risk consist principally of interest-bearing investments and trade receivables. We maintain cash, cash equivalents, and investments with various major financial institutions. The counterparties to the agreements relating to our investment securities consist of various major corporations, financial institutions, municipalities, and government agencies of high credit standing. As of June 30, 2026, most of our cash was deposited with U.S. financial institutions. Our investment policy generally restricts the amount of credit exposure to any one issuer. There is no limit to the percentage of the portfolio that may be maintained in securities issued by the U.S. Treasury and U.S. Government Agencies, or other securities fully backed by U.S. Treasury or Government agencies. We have not experienced significant credit losses from financial institutions.
We perform credit evaluations of our customers and generally require no collateral. We have not experienced significant credit losses on our financial instruments or trade receivables to date, although our exposure to credit losses may increase if our customers are adversely affected by economic pressures or other customer-specific factors.
For the three and six months ended June 30, 2026 and 2025, no customer accounted for 10% or more of our total revenue.
As of June 30, 2026 and December 31, 2025, 42% and 40% of our accounts receivable were from domestic customers, respectively. As of June 30, 2026 and December 31, 2025, no customer represented 10% or more of our net accounts receivable.
We currently purchase several key parts and components used in the manufacture of our products from a limited number of suppliers. Generally, we have been able to obtain an adequate supply of such parts and components but in certain instances have incurred additional costs to secure a supply of constrained material. An extended interruption in the supply of parts and components currently obtained from our suppliers could adversely affect our business and condensed consolidated financial statements.
Recent Accounting Pronouncements
Recent Accounting Pronouncements
Accounting Pronouncements Pending Adoption
In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses. This new
standard requires a company to provide disaggregated disclosures, within the notes to the financial statements, of specified categories of expenses that are included in line items on the face of the income statement. The standard will be effective for us beginning in 2027, and interim periods within 2028, with early adoption permitted. The new standard is expected to be applied prospectively, but retrospective application is permitted. We are currently evaluating the impact of ASU 2024-03 on the consolidated financial statements and related disclosures.
In September 2025, the FASB issued ASU 2025-06, Intangibles—Goodwill and Other—Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software. This new standard clarifies and modernizes the recognition and disclosure framework for capitalized internal-use software costs by removing all references to project stages and introduces a more judgment-based approach. The standard also clarifies the threshold to be applied to begin capitalizing. The standard will be effective for us beginning in the first quarter of 2028, with early adoption permitted, and can be applied using a prospective, retrospective, or modified transition approach. We are currently evaluating the impact of ASU 2025-06 on the consolidated financial statements and related disclosures.
In December 2025, the FASB issued ASU 2025-10, Accounting for Government Grants Received by Business Entities. This new standard provides guidance on the recognition, measurement, and presentation of government grants. The standard will be effective for us beginning in the first quarter of fiscal year 2029, with early adoption permitted, and can be applied using a modified prospective, modified retrospective or full retrospective transition approach. We are currently evaluating the impact of ASU 2025-10 on the consolidated financial statements.
Fair Value of Financial Instruments
We consider an active market as one in which transactions for the asset or liability occur with sufficient frequency and volume to provide pricing information on an ongoing basis. Conversely, we view an inactive market as one in which there are few transactions for the asset or liability, the prices are not current, or price quotations vary substantially either over time or among market makers. Where appropriate, our non-performance risk, or that of our counterparty, is considered in determining the fair values of liabilities and assets, respectively.
We classify our cash deposits and money market funds within Level 1 of the fair value hierarchy because they are valued using bank balances or quoted market prices. We classify our investments as Level 2 instruments based on market pricing and other observable inputs. We did not classify any of our investments within Level 3 of the fair value hierarchy.
Assets and liabilities measured at fair value are classified in their entirety based on the lowest level input that is significant to the fair value measurement. Our assessment of the significance of a particular input to the entire
fair value measurement requires management to make judgments and consider factors specific to the asset or liability.
The carrying amount of our accounts receivable, prepaid expenses and other current assets, accounts payable, accrued expenses and other liabilities, current, approximate fair value due to their short maturities.