Backblaze Announces Fourth Quarter and Full Year 2025 Financial Results

24% Revenue Growth in B2 Cloud Storage, 12% Revenue Growth Overall in Q4 2025

Backblaze, Inc. (NASDAQ:BLZE), the high-performance cloud storage platform for the AI era, today announced results for its fourth quarter ended December 31, 2025.

"In Q4, we closed our first eight-figure TCV neocloud agreement," said Gleb Budman, co-founder and CEO of Backblaze. "This marks yet another neocloud win and, together with the launch of B2 Neo, our neocloud-specific storage offering, demonstrates the strength of our storage cloud platform and our continued progress moving upmarket. We drove diversified growth across AI, cyber resilience, and application storage use cases. At the same time, we achieved 11% in adjusted free cash flow margin in the quarter, reflecting continued operating discipline. Looking ahead, we see Backblaze increasingly serving as the storage backbone for neocloud providers and as a trusted platform for developers building data-intensive and AI-driven applications."

Fourth Quarter 2025 Financial Highlights:

• Revenue of $37.8 million, an increase of 12% year-over-year (YoY).
  • B2 Cloud Storage revenue was $21.3 million, an increase of 24% YoY.
  • Computer Backup revenue was $16.5 million, flat YoY.
• Gross profit of $23.4 million, or 62% of revenue, compared to $18.5 million, or 55% of revenue, in Q4 2024.
• Adjusted gross profit of $30.1 million, or 80% of revenue, compared to $26.3 million or 78% of revenue in Q4 2024.
• Net loss was $5.4 million compared to a net loss of $14.4 million in Q4 2024.
• Net loss per share was $0.09 compared to a net loss per share of $0.30 in Q4 2024.
• Adjusted EBITDA was $10.4 million, or 28% of revenue, compared to $4.6 million or 14% of revenue in Q4 2024.
• Non-GAAP net income of $3.5 million compared to non-GAAP net loss of $3.0 million in Q4 2024.
• Non-GAAP net income per share of $0.06 compared to a non-GAAP net loss per share of $(0.06) in Q4 2024.
• Cash flow from operations was $9.3 million, compared to $2.2 million in Q4 2024.
• Adjusted free cash flow was $4.1 million, compared to $(4.5) million in Q4 2024.
• Cash, cash equivalents, and marketable securities totaled $51.4 million as of December 31, 2025.

Full-Year 2025 Financial Highlights:

• Revenue of $145.8 million, an increase of 14% YoY.
  • B2 Cloud Storage revenue was $79.9 million, an increase of 26% YoY.
  • Computer Backup revenue was $65.9 million, an increase of 3% YoY.
• Gross profit of $88.8 million, or 61% of revenue, compared to $69.3 million, or 54% of revenue, in 2024.
• Adjusted gross profit of $115.6 million, or 79% of revenue, compared to $99.2 million or 78% of revenue in 2024.
• Net loss was $25.6 million compared to a net loss of $48.5 million in 2024.
• Net loss per share was $0.46 compared to a net loss per share of $1.11 in 2024.
• Adjusted EBITDA was $31.8 million, or 22% of revenue, compared to $13.0 million or 10% of revenue in 2024.
• Non-GAAP net income of $4.3 million compared to non-GAAP net loss of $17.5 million in 2024.
• Non-GAAP net income per share of $0.07 compared to a non-GAAP net loss per share of $0.40 in 2024.
• Cash flow from operations during the year ended December 31, 2025 was $23.5 million, compared to $12.5 million during the year ended December 31, 2024.
• Adjusted free cash flow during the year ended December 31, 2025 was $(5.4) million, compared to $(20.1) million during the year ended December 31, 2024. 

Fourth Quarter 2025 Operational Highlights:

• Annual recurring revenue (ARR) was $154.4 million, an increase of 13% YoY.
  • B2 Cloud Storage ARR was $88.9 million, an increase of 27% YoY.
  • Computer Backup ARR was $65.5 million, flat YoY.
• Net revenue retention rate (NRR) was 105% compared to 116% in Q4 2024.
  • B2 Cloud Storage NRR was 111% compared to 123% in Q4 2024.
  • Computer Backup NRR was 98% compared to 109% in Q4 2024.
• Gross customer retention rate was 91% in Q4 2025 compared to 90% in Q4 2024.
  • B2 Cloud Storage gross customer retention rate was 89% in both Q4 2025 and Q4 2024.
  • Computer Backup gross customer retention rate was 91% in Q4 2025 compared to 90% Q4 2024.
• Number of customers was 503,866 versus 507,647 in Q4 2024.
  • B2 Cloud Storage number of customers was 119,154 versus 107,616 in Q4 2024.
  • Computer Backup number of customers was 402,589 versus 417,845 in Q4 2024.
• Total annual average revenue per customer (ARPU) was $307 versus $268 in Q4 2024.
  • B2 Cloud Storage ARPU was $750 versus $645 in Q4 2024.
  • Computer Backup ARPU was $163 versus $159 in Q4 2024.

Recent Business Highlights:

• Launched B2 Neo: New solution allows neocloud providers to quickly add a high-performance, scalable storage service to their platforms, accelerating time to market while offloading storage complexity.
• Signed record eight-figure neocloud TCV deal: Combined with other 6- and 7-figure neocloud wins, this demonstrates growing adoption of our platform as the storage backbone for neocloud providers.
• Introduced Backblaze Flamethrower startup program: Deepens our engagement in the early-stage ecosystem, building platform affinity among data-intensive founders and small teams while strengthening our long-term customer relationships as these companies grow.
• Continued upmarket momentum: ARR from customers generating more than $50,000 annually increased 73% year over year, from $15 million to $26 million, while the number of these customers grew 35% to 168, reflecting the continued success of our go-to-market transformation.
• Achieved adjusted free cash flow positivity in Q4 for the first time since going public: Improved adjusted free cash flow by more than $8.6 million year over year, demonstrating significant progress toward sustainable profitability.
• Strengthened engineering and product leadership: Appointed Dan Spraggins as Senior Vice President of Engineering, Rhett Dillingham as Senior Vice President of Product, and Russ Artzt, co-founder of CA Technologies, as advisor to accelerate product and platform leadership.
• Established a go-to-market (GTM) advisory committee: Composed of experienced GTM leaders to accelerate execution and help capture the expanding data growth opportunity driven by AI workloads.

Financial Outlook:

Based on information available as of the date of this press release,

For the first quarter of 2026, we expect:

• Revenue between $37.6 million to $38.0 million.
• Adjusted EBITDA margin between 18% to 20%.
• Basic weighted average shares outstanding of 59.2 million to 59.4 million shares.

For full-year 2026, we expect:

• Revenue between $156.5 million to $158.5 million.
• Adjusted EBITDA margin between 19% to 21%. 

Conference Call Information:

Backblaze will host a conference call today, February 23, 2026, at 2:00 p.m. PT (5:00 p.m. ET) to review its financial results.

Attend the webcast here: https://events.q4inc.com/attendee/991328028.

An archive of the webcast will be available shortly after its completion on the Investor Relations section of the Backblaze website at https://ir.backblaze.com.

Register to listen by phone here: https://registrations.events/direct/Q4I789404935.

Phone registrants will receive dial-in information via email.

About Backblaze

Backblaze (NASDAQ:BLZE) gives businesses the freedom to innovate without limits by removing the barriers of lock-in, complexity, and cost. Our high-performance cloud object storage accelerates AI workflows, powers data-heavy applications, streamlines media management, and protects critical data. As an award-winning independent cloud, we provide levels of interoperability that enable over 500,000 of our customers to reach and serve hundreds of millions of end users in 175 countries around the world. For more information, please go to www.backblaze.com.

Cautionary Note Regarding Forward-looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, which involve risks and uncertainties. These forward-looking statements are frequently identified by the use of forward-looking terminology, including the terms "anticipate," "believe," "continue," "could," "estimate," "expect," "intend," "likely," "may," "plan," "possible," "potential," "predict," "project," "should," "target," "will," "would," or other similar terms or expressions that relate to our future performance, expectations, strategy, plans or intentions, and include statements in the section titled "Financial Outlook."

Our actual results could differ materially from those stated in or implied by the forward-looking statements in this press release due to a number of factors, including but not limited to: the impact of our go-to-market transformation and ability to attract and retain customers, including increasingly larger customers; the continued growth of data stored by our customers; continued growth of AI related business; rapidly evolving technological developments in the market, including advancement in AI; realizing the anticipated benefits relating to cost savings initiatives and the re-investment of savings in additional sales capacity; market competition, including competitors that may have greater size, offerings and resources; effectively managing growth and scaling of our platform; ability to offer new features and other offerings on a timely basis, including new enterprise features, B2 Overdrive offering and geographic expansion in Canada or other jurisdictions, and achieve desired market adoption; disruption in our service or loss of availability of customers' data; cyberattacks; ability to continue to scale the business; the impact of pricing and other product offering changes; material defects or errors in our software, such as problems with our internal systems, network, or data, including actual or perceived breaches or failures; supply chain disruption; ability to maintain existing relationships with partners and to enter into new partnerships; hiring and retention of key employees; the impact of changes to global trade and tariff policies, on us or our vendors, partners and customers; war or hostilities, and other significant world or regional events on our business and the business of our customers, vendors, supply chain and partners; litigation and other disputes; availability of additional capital; and general market, political, economic, and business conditions. Further information on these and additional risks, uncertainties, assumptions, and other factors that could cause actual results or outcomes to differ materially from those included in or implied by the forward-looking statements contained in this release are included under the caption "Risk Factors" and elsewhere in our Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and other filings and reports we make with the SEC from time to time.

The forward-looking statements made in this release reflect our views as of the date of this press release. We undertake no obligation to update any forward-looking statements in this press release, whether as a result of new information, future events or otherwise.

Non-GAAP Financial Measures

To supplement the financial measures, which are prepared and presented in accordance with generally accepted accounting principles in the United States (GAAP), we provide investors with non-GAAP financial measures including (i) adjusted gross profit (and margin), (ii) adjusted EBITDA and adjusted EBITDA margin, (iii) non-GAAP net income (loss) and non-GAAP net income (loss) per share, (iv) adjusted free cash flow and adjusted free cash flow margin, and (v) other Non-GAAP measures. These non-GAAP financial measures are not necessarily comparable to other companies and should be considered as a supplement to, not a substitute for, or superior to, the corresponding measures calculated in accordance with GAAP. We present these non-GAAP measures because management believes they are a useful measure of our performance and provide an additional basis for assessing our operating results. Please see the appendix attached to this press release for a reconciliation of non-GAAP financial measures to the most directly comparable GAAP financial measures.

A reconciliation of non-GAAP guidance measures to corresponding GAAP measures is not available on a forward-looking basis without unreasonable effort due to the uncertainty regarding, and the potential variability of, expenses and other factors in the future. For example, stock-based compensation expense-related charges are impacted by the timing of employee stock transactions, the future fair market value of our common stock, and our future hiring and retention needs, all of which are difficult to predict with reasonable accuracy and subject to constant change.

Adjusted Gross Profit and Margin

We believe adjusted gross profit (and margin), when taken together with our GAAP financial results, provides a meaningful assessment of our performance and is useful to us for evaluating our ongoing operations and for internal planning and forecasting purposes.

We define adjusted gross profit as gross profit, excluding stock-based compensation expense, depreciation and amortization and restructuring charges within cost of revenue. We define adjusted gross margin as a percentage of adjusted gross profit to revenue. We exclude stock-based compensation, which is a non-cash item, and restructuring charges because we do not consider it indicative of our core operating performance. We exclude depreciation expense of our property and equipment and amortization expense of capitalized internal-use software because these may not reflect current or future cash spending levels to support our business. We believe adjusted gross profit (and margin) provides consistency and comparability with our past financial performance and facilitates period-to-period comparisons of operations.

Adjusted EBITDA and Adjusted EBITDA Margin

We define Adjusted EBITDA as net loss adjusted to exclude depreciation and amortization, stock-based compensation, interest expense, investment income, income tax provision, realized and unrealized gains and losses on foreign currency transactions, impairment of long-lived assets, restructuring charges, legal settlement costs, and other non-recurring charges. Adjusted EBITDA Margin is defined as Adjusted EBITDA divided by revenues for the period. We use Adjusted EBITDA and Adjusted EBITDA Margin to evaluate our ongoing operations and for internal planning and forecasting purposes. We believe that Adjusted EBITDA and Adjusted EBITDA Margin, when taken together with our GAAP financial results, provide meaningful supplemental information regarding our operating performance by excluding certain items that may not be indicative of our business, results of operations, or outlook. We consider Adjusted EBITDA and Adjusted EBITDA Margin to be important measures because they help illustrate underlying trends in our business and our historical operating performance on a more consistent basis.

Non-GAAP Net Income (Loss) and Non-GAAP Net Income (Loss) Per Share

We define non-GAAP net income (loss) as net income (loss) adjusted to exclude stock-based compensation, realized and unrealized gains and losses on foreign currency transactions, impairment of long-lived assets, restructuring charges, legal settlement costs, and other items we deem non-recurring. Non-GAAP net income (loss) per share is defined as non-GAAP net income (loss) divided by basic and diluted weighted average common shares outstanding. We believe that non-GAAP net income (loss) and non-GAAP net income (loss) per share, when taken together with our GAAP financial results, provide meaningful supplemental information regarding our operating performance by excluding certain items that may not be indicative of our business, results of operations, or outlook.

Adjusted Free Cash Flow and Adjusted Free Cash Flow Margin

We believe that Adjusted Free Cash Flow and Adjusted Free Cash Flow Margin are useful metrics for assessing liquidity that provide information to management and investors about the cash generated from our core operations that can be reinvested in the business. However, these measures should not replace cash flows from operations as a liquidity benchmark. One limitation of these metrics is that they do not reflect our future contractual commitments, nor do they capture the overall changes in our cash balance during a specific period. Nonetheless, we believe that Adjusted Free Cash Flow and Adjusted Free Cash Flow Margin are key metrics providing insight on our financial trajectory that helps us make informed decisions as we work towards sustainable positive cash flow.

We define adjusted free cash flow as net cash provided by operating activities less purchases of property and equipment, capitalized internal-use software costs, principal payments on finance leases and lease financing obligations, as reflected in our consolidated statements of cash flows, and excluding payments on restructuring charges, legal settlement payments, and payments on other non-recurring charges. Adjusted free cash flow margin is calculated as adjusted free cash flow divided by revenue.

Other Non-GAAP Measures

Adjusted Cost of Revenue and Adjusted Operating Expenses

Adjusted research and development, adjusted sales and marketing, and adjusted general and administrative (collectively, "adjusted operating expenses") and adjusted cost of revenue are non-GAAP financial measures that we define as each respective GAAP expense category excluding stock-based compensation expense, depreciation and amortization, restructuring costs, and other non-recurring charges. This measure provides management with greater transparency into the underlying trends in our business by facilitating period-to-period comparisons of our ongoing cost structure, excluding the impact of certain non-cash or non-recurring items that may not be indicative of our operating performance. These measures are intended to assist in forecasting and budgeting by providing greater visibility into our normalized expense base.

Key Business Metrics:

Annual Recurring Revenue (ARR)

We define ARR as the annualized value of all B2 Cloud Storage and Computer Backup arrangements as of the end of a period. Given the renewable nature of our business, we view ARR as an important indicator of our financial performance and operating results, and we believe it is a useful metric for internal planning and analysis. ARR is calculated based on multiplying the monthly revenue from all B2 Cloud Storage and Computer Backup arrangements for the last month of a period by 12. Our ARR for each of B2 Cloud Storage and Computer Backup is calculated in the same manner as our overall ARR based on the revenue from our B2 Cloud Storage and Computer Backup solutions, respectively.

Net Revenue Retention Rate (NRR)

To calculate the NRR for a specific quarter, we determine the revenue recognized in that quarter from customers who generated revenue during the last month of the same quarter of the previous year. This revenue is then divided by the revenue generated from those same customers in the prior year quarter. Our overall NRR rate is calculated as the average of these quarterly rates over the past four quarters to provide a comprehensive view of revenue trends.

Gross Customer Retention Rate

We use gross customer retention rate to measure our ability to retain our customers. Our gross customer retention rate reflects only customer losses and does not reflect the expansion or contraction of revenue we earn from our existing customers. We believe our high gross customer retention rates demonstrate that we provide a vital service to our customers, as the vast majority of our customers tend to continue to use our platform from one period to the next. To calculate our gross customer retention rate, we take the trailing four-quarter average of our quarterly gross customer retention rates. We calculate the quarterly gross customer retention rates by dividing (i) the number of accounts that generated revenue in the last month of the current quarter that also generated recurring revenue during the last month of the corresponding quarter in the prior year, by (ii) the number of accounts that generated recurring revenue during the last month of the corresponding quarter in the prior year.

Number of Customers

We define a customer at the end of any period as a distinct account, as identified by a unique account identifier, that has paid for our cloud services, including end-user customers that purchase through a reseller. This population makes up substantially all of our user base.

Annual Average Revenue Per User

We define annual average revenue per user (Annual ARPU) as the annualized value for the average revenue per customer. Annual ARPU is calculated by dividing our revenue for the last month of a period by the total number of customers as of the last day of the same period, and then multiplying the resulting quotient by 12. Our annual average revenue per user for B2 Cloud Storage and Computer Backup is calculated in the same manner based on the revenue and number of customers from our B2 Cloud Storage and Computer Backup solutions, respectively.

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