8-K: Backblaze Achieves Profitability Milestone, Fuels AI Growth

Backblaze reports strong Q4 and full-year 2025 results, achieving positive adjusted free cash flow and securing a record neocloud deal, driven by its AI storage strategy.

Summary

• Backblaze reported Q4 2025 revenue of $37.8 million, a 12% increase year-over-year (YoY), with B2 Cloud Storage revenue growing 24% to $21.3 million.
• Full-year 2025 revenue reached $145.8 million, up 14% YoY, with B2 Cloud Storage revenue increasing 26% to $79.9 million.
• The company achieved positive adjusted free cash flow of $4.1 million in Q4 2025, marking the first time since its IPO, and significantly improved full-year adjusted free cash flow to $(5.4) million from $(20.1) million in 2024.
• Adjusted EBITDA for Q4 2025 was $10.4 million (28% margin), up from $4.6 million (14% margin) in Q4 2024, and full-year adjusted EBITDA was $31.8 million (22% margin), up from $13.0 million (10% margin) in 2024.
• Net loss significantly narrowed to $(5.4) million in Q4 2025 from $(14.4) million in Q4 2024, and to $(25.6) million for the full year 2025 from $(48.5) million in 2024.
• Non-GAAP net income was $3.5 million ($0.06 per share) in Q4 2025, a turnaround from a non-GAAP net loss of $(3.0) million ($(0.06) per share) in Q4 2024.
• Annual Recurring Revenue (ARR) grew 13% YoY to $154.4 million, with B2 Cloud Storage ARR increasing 27% to $88.9 million.
• The company signed its largest agreement in history, an eight-figure, $15M+ Total Contract Value (TCV) neocloud win, positioning Backblaze as a storage layer for next-generation AI compute platforms.
• Launched B2 Neo, a new high-performance, white-label storage offering developed for neocloud customers, capable of up to 1 TB/Second throughput speed.
• ARR from customers generating over $50,000 annually increased 73% YoY to $26 million, representing 17% of total ARR, with the number of such customers growing 35% to 168.

Sentiment

Score: 8

Explanation: StockSavvy.ai views this as a strong positive report, driven by significant improvements in profitability metrics, particularly the achievement of positive adjusted free cash flow, and strategic wins in the high-growth AI and neocloud segments, despite a slight dip in NRR.

Positives

• Achieved positive adjusted free cash flow of $4.1 million in Q4 2025, a significant milestone and improvement from $(4.5) million in Q4 2024.
• Adjusted EBITDA margin expanded significantly to 28% in Q4 2025 and 22% for the full year 2025, demonstrating strong operating leverage.
• Net loss narrowed substantially in both Q4 2025 (to $(5.4) million from $(14.4) million) and full year 2025 (to $(25.6) million from $(48.5) million).
• Reported non-GAAP net income of $3.5 million in Q4 2025 and $4.3 million for the full year 2025, a positive shift from losses in the prior year.
• B2 Cloud Storage revenue grew 24% in Q4 2025 and 26% for the full year 2025, indicating strong performance in the core growth segment.
• Secured an 8-figure, $15M+ TCV neocloud agreement, the largest in company history, highlighting successful upmarket traction and AI opportunity.
• Launched B2 Neo, a high-performance, white-label storage solution tailored for neocloud providers, enhancing product offerings for the AI market.
• Annual Recurring Revenue (ARR) increased 13% YoY to $154.4 million, with B2 Cloud Storage ARR up 27% YoY.
• Remaining Performance Obligations (RPO) increased 60% YoY to $66 million, strengthening forward revenue visibility.
• The Rule of 40 score improved significantly to 35% in Q4 2025 from 9% in Q4 2024, reflecting a strong balance of growth and profitability.
• Gross customer retention rate improved to 91% in Q4 2025 from 90% in Q4 2024.

Negatives

• Computer Backup revenue was flat YoY at $16.5 million in Q4 2025 and only increased 3% YoY to $65.9 million for the full year 2025, indicating stagnation in this segment.
• Net Revenue Retention (NRR) rate decreased to 105% in Q4 2025 from 116% in Q4 2024, with B2 Cloud Storage NRR also declining to 111% from 123%.
• Total number of customers slightly decreased to 503,866 in Q4 2025 from 507,647 in Q4 2024, primarily due to a decline in Computer Backup customers.
• Despite improvements, the company still reported a GAAP net loss for both Q4 and the full year 2025.

Risks

• The impact of the go-to-market transformation and the ability to attract and retain customers, especially larger ones.
• The continued growth of data stored by customers and the sustained growth of AI-related business.
• Rapidly evolving technological developments in the market, including advancements in AI.
• Realizing the anticipated benefits from cost savings initiatives and reinvesting savings into additional sales capacity.
• Market competition from competitors with potentially greater size, offerings, and resources.
• Effectively managing growth and scaling of the platform.
• Ability to offer new features and other offerings on a timely basis, including new enterprise features, B2 Overdrive, and geographic expansion, and achieving desired market adoption.
• Disruption in service or loss of availability of customer data.
• Cyberattacks and the ability to continue to scale the business securely.
• The impact of pricing and other product offering changes.
• Material defects or errors in software, including problems with internal systems, network, or data, and actual or perceived breaches or failures.
• Supply chain disruption affecting operations.
• 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 the company, its vendors, partners, and customers.
• War or hostilities, and other significant world or regional events affecting the business and its stakeholders.
• Litigation and other disputes.
• Availability of additional capital for future operations and growth.
• General market, political, economic, and business conditions.

Future Outlook

Backblaze expects Q1 2026 revenue to be between $37.6 million and $38.0 million, with an Adjusted EBITDA margin of 18% to 20%. For the full fiscal year 2026, the company anticipates revenue between $156.5 million and $158.5 million (a narrowed range from previous outlook) and an Adjusted EBITDA margin of 19% to 21%. The company sees itself increasingly serving as the storage backbone for neocloud providers and a trusted platform for developers building data-intensive and AI-driven applications.

Management Comments

• "In Q4, we closed our first eight-figure TCV neocloud agreement. 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."

Industry Context

StockSavvy.ai notes that Backblaze's strategic focus on the 'neocloud' and AI storage market aligns with broader industry trends of increasing data generation and the demand for specialized, high-performance cloud infrastructure to support AI workloads. The launch of B2 Neo and the significant 8-figure TCV neocloud win position Backblaze to capitalize on the estimated $14 billion neocloud storage opportunity by 2030, differentiating itself from hyperscalers by offering a white-label, high-throughput solution. This move is critical as AI development accelerates, requiring robust and scalable storage backbones.

Comparison to Industry Standards

• Backblaze's B2 Cloud Storage NRR of 111% in Q4 2025, while a decrease from 123% in Q4 2024, remains a solid indicator of customer expansion, though some top-tier SaaS companies often aim for NRR above 120%.
• The achievement of a 35% Rule of 40 score in Q4 2025 (B2 Y/Y Growth + Total Company Adj FCF Margin) is a strong performance, indicating a healthy balance between growth and profitability, often considered a benchmark for successful SaaS companies.
• The 28% Adjusted EBITDA margin in Q4 2025 and 22% for the full year 2025 demonstrates significant margin expansion, placing Backblaze in a competitive position compared to many cloud infrastructure providers that are still prioritizing growth over profitability.

Management Changes

Corporate Governance

Stakeholder Impact

• **Shareholders**: Positive impact due to significant improvements in profitability (positive adjusted free cash flow, narrowed net loss, positive non-GAAP net income), strong B2 Cloud Storage growth, and strategic positioning in the high-growth AI market. The improved Rule of 40 score indicates a healthier business trajectory.
• **Customers**: Enhanced offerings with the launch of B2 Neo, providing high-performance, white-label storage for neoclouds, and continued focus on solving data storage challenges, particularly for AI developers and data-intensive applications. The Flamethrower startup program aims to build long-term relationships with high-growth companies.
• **Employees**: Strengthened leadership team with new SVP appointments in Engineering and Product, potentially leading to clearer strategic direction and innovation opportunities. The GTM advisory committee could also provide valuable guidance for sales and marketing teams.
• **Partners**: The focus on neoclouds and the B2 Neo solution creates new opportunities for partnerships within the AI ecosystem, positioning Backblaze as a critical infrastructure provider.

Next Steps

• Continue upgrading the Go-to-Market (GTM) engine for growth, including increasing awareness, driving greater pipeline consistency, and expanding share of wallet.
• Further lean into the structural AI opportunity by serving as the storage backbone for neocloud providers and a trusted platform for AI developers.
• Leverage the newly launched B2 Neo solution to attract more neocloud customers.
• Continue to formalize programs to expand across the 119k+ B2 customer base.
• Host a conference call on February 23, 2026, to review financial results and discuss the outlook.

Key Dates

Recommendation

The filing presents a compelling case for a 'strong buy' recommendation. Backblaze has achieved a critical financial milestone by turning adjusted free cash flow positive in Q4 2025, demonstrating strong operational discipline and a clear path to sustainable profitability. The significant expansion in Adjusted EBITDA margins and the narrowing of GAAP net losses further underscore this financial turnaround. Strategically, the company is exceptionally well-positioned to capitalize on the burgeoning AI and neocloud markets, evidenced by the record 8-figure TCV neocloud deal and the launch of B2 Neo. While the NRR saw a slight decline, the robust growth in B2 Cloud Storage revenue and the substantial increase in ARR from high-value customers indicate strong underlying business momentum. The improved Rule of 40 score reflects a healthy balance of growth and profitability, making Backblaze an attractive investment in the evolving cloud storage landscape.

Keywords

Cloud Storage, AI Infrastructure, Neocloud, Data Storage, B2 Cloud Storage, Adjusted Free Cash Flow, Adjusted EBITDA, Annual Recurring Revenue, Go-to-Market Strategy, Financial Results, Q4 2025, FY 2025, Backblaze