🚨 Thorough Analysis of Sakura Internet (3778) Securities Report: 'Massive Investment' in AI Infrastructure and the Truth Behind a National Policy Stock
Introduction: Sakura Internet's Current Position and the Purpose of This Analysis
Sakura Internet is an independent IT infrastructure provider that has led the data center business since the dawn of the internet in Japan. In recent years, while maintaining its traditional hosting (rental server) business as a foundation, it has been aggressively pushing a shift toward cloud services.
In particular, the company is currently at a major turning point in its business structure and social role, linked to national policy, through massive investments in GPU infrastructure for generative AI and its conditional certification and formal adoption as the first domestic vendor for the 'Government Cloud' (common government cloud).
In this note, by systematically reading through the text of the company's latest Securities Report, we will analyze and organize the full scope of its current business model, the roles of each business segment, its competitive advantages, and its future growth story.
Starting with an analysis of business content
1. History and Changes in Capital Relationships: A Return to Independence
Since its establishment in 1999, the company began its business by providing rental servers and dedicated servers, and has since expanded its data center operations.
There were significant movements in capital relationships; Sojitz Corporation became the largest shareholder in 2008 and the parent company in 2011, but ceased to be the parent company in 2017.
Most recently, in March 2026, Sojitz Corporation sold a portion of its shares, removing Sakura Internet from its status as an 'other affiliated company.' It is presumed that this has solidified its position as a completely independent provider that prioritizes speed in decision-making.
2. Redefinition of Business Segments: A Breakthrough Focused on Generative AI and GPU Infrastructure
Leveraging its own domestic data centers, the company mainly provides the following four services. During the current period, segments were reorganized to clarify the business content.
Cloud Services: Includes 'Sakura Cloud,' which was adopted for the Government Cloud, the VM-type GPU service 'High-Power VRT,' and shared hosting. It meets a wide range of needs from individuals to government agencies.
GPU Infrastructure Services (formerly: GPU Cloud Services): A segment specialized for high-load computing for generative AI development and Large Language Models (LLMs). It provides bare-metal 'High-Power PHY' and 'Sakura ONE,' which uses an in-house built HPC cluster.
Physical Infrastructure Services: Provides housing for customer equipment and services that allow for the dedicated use of physical servers.
Other: Handles government-contracted projects, system development, security services, etc.
[Analysis Highlights] It is extremely significant that the name 'GPU Cloud Service' was changed to 'GPU Infrastructure Service,' and that the service classifications for physical infrastructure and legacy GPU cloud were reorganized. This can be read as a strong expression of the company's intent to not just deploy software-based cloud services, but to position 'physical infrastructure'—specifically computing resources like HPC and bare metal—as its core business to capture the generative AI market.
3. Group Management Structure: A Specialized Group Supporting Infrastructure
The group consists of 8 consolidated subsidiaries and 1 equity-method affiliate.
The company has strategically acquired and established specialized firms to enhance the value and quality of its infrastructure, such as disaster prevention and security (Gehirn Inc.), HPC-focused SI (Prunus Solutions Inc.), and storage software (IzumoBASE Inc.).
The existence of 'Tellus Inc.,' which handles the government satellite data platform, demonstrates that the company is deeply embedded in national policy and public sectors.
In the business system chart, it can be confirmed that these subsidiary groups span the four pillars of 'Cloud,' 'GPU Infrastructure,' 'Physical Infrastructure,' and 'Others,' forming an ecosystem that supports service provision.
The business structure and sources of profit have become clear. The management intent behind this segment change should be closely linked to changes in financial figures.
[Analysis of Consolidated Statement of Income (PL)]
4. Performance Highlights: The Reality of Top-line Growth and Profit Pressure from Upfront Investment
The consolidated statement of income for the fiscal year ending March 2026 clearly shows in numerical terms that the company is currently in a 'strong infrastructure investment phase.'
Steady expansion of net sales: Net sales for the current period reached 35,301,649 thousand yen, achieving a significant increase from 31,412,382 thousand yen in the previous period. It is clear that strong demand for cloud infrastructure and GPUs is driving top-line growth.
Operating loss due to a sharp rise in costs and SG&A expenses: While sales grew, the cost of sales surged to 27,345,133 thousand yen (compared to 20,182,104 thousand yen in the previous period). Furthermore, total selling, general and administrative expenses, including increases in salaries and allowances, also rose to 8,360,170 thousand yen (compared to 7,084,692 thousand yen in the previous period). As a result, the operating profit of 4,145,586 thousand yen in the previous period sank to an operating loss of 403,654 thousand yen in the current period. This is because upfront investments in infrastructure construction, such as GPU servers, and talent acquisition are significantly pressuring profits.
Securing non-operating income and ordinary profit: Although the core business resulted in an operating loss, the company recorded subsidy income (617,628 thousand yen) and compensation received (210,178 thousand yen) as non-operating income. On the other hand, non-operating expenses such as interest expenses (538,822 thousand yen) associated with increased borrowing also rose, but as a result, the company managed to secure an ordinary profit of 105,477 thousand yen.
Huge movements in extraordinary income and loss indicating alignment with national policy: As extraordinary income, 'National Treasury Subsidies, etc.' was recorded at a massive 14,311,693 thousand yen. At the same time, an identical amount of 14,311,693 thousand yen was recorded as 'Loss on reduction of fixed assets' under extraordinary losses. This is the result of accounting treatment (tax-purpose reduction entry) where the company received large-scale support from the government (subsidies for cloud/AI infrastructure development) and directly deducted it from the acquisition cost of fixed assets to reduce the tax burden. This is definitive evidence that the company is playing a central role in national policy projects and is making capital investments on an unprecedented scale. Note that the final net income for the period after deducting taxes, etc., landed at 234,797 thousand yen (compared to 2,953,355 thousand yen in the previous period).
Analysis of the Consolidated Balance Sheet
5. Analysis of Financial Position: Transformation into a 'Hyper-Investment' Balance Sheet, Betting Everything on Physical Assets
From the provided consolidated balance sheet (fiscal year ending March 2026), it is evident that the company is actively utilizing its cash on hand and leveraging borrowings and leases to drive infrastructure development.
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Sharp Decrease in Cash and Deposits and Rapid Increase in Fixed Assets (Capital Deployment)
Current assets decreased significantly from 41,744,592 thousand yen in the previous consolidated fiscal year to 26,255,310 thousand yen in the current consolidated fiscal year.
The primary factor for this is the sharp decline in 'Cash and deposits' from 29,489,223 thousand yen to 15,391,082 thousand yen.
Meanwhile, fixed assets have surged from 39,674,878 thousand yen to 56,195,766 thousand yen.
Looking at the breakdown of property, plant, and equipment, 'Buildings and structures (net)' increased from 6,282,028 thousand yen to 9,862,442 thousand yen.
Furthermore, 'Construction in progress,' which indicates capital investment before operation, has expanded from 2,358,189 thousand yen to 5,168,003 thousand yen, showing that massive infrastructure construction is currently underway.
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Expansion of Liabilities: Leverage through Borrowings and Leases (Fund Procurement)
Total non-current liabilities increased significantly from 10,814,598 thousand yen to 18,266,988 thousand yen.
'Long-term borrowings' within non-current liabilities increased from 3,154,471 thousand yen to 5,777,396 thousand yen.
Additionally, 'Lease obligations' under non-current liabilities have nearly doubled from 6,654,972 thousand yen to 11,464,636 thousand yen, indicating that the company is actively utilizing leases for high-cost equipment procurement.
On the other hand, 'Accounts payable - facilities' under current liabilities dropped sharply from 8,920,873 thousand yen to 206,704 thousand yen, indicating that payments for equipment that were outstanding at the end of the previous period were settled during the current period.
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Summary of Net Assets and Total Assets
Total net assets saw only a slight increase from 30,257,381 thousand yen to 30,329,154 thousand yen.
Retained earnings also remained largely flat, moving from 9,177,688 thousand yen to 9,232,622 thousand yen.
Total liabilities and net assets increased from 81,419,470 thousand yen to 82,451,076 thousand yen.
Overall, while the scale of the balance sheet itself has only slightly increased, it can be said that this was a year in which its composition shifted dramatically from a 'cash-rich state' to a 'state centered on tangible fixed assets (data centers and server clusters) utilizing leverage'.
Analysis of the Consolidated Statement of Changes in Equity
6. Trajectory of Capital Policy: Large-scale Equity Financing in the Previous Period and Capital Maintenance in the Current Period
Comparing the consolidated statement of changes in equity between the previous and current periods highlights the timeline of how the company has carefully expanded its equity capital in preparation for its current large-scale infrastructure investments.
Large-scale capital reinforcement in the previous period (fiscal year ended March 2025): Looking at the changes in the previous consolidated fiscal year, we can see that the company carried out an extremely large-scale fundraising of 18,052,492 thousand yen in total, with capital stock increasing by 9,026,246 thousand yen and capital surplus increasing by 9,026,246 thousand yen due to the 'issuance of new shares'. Total shareholders' equity, which was 8,989,147 thousand yen at the beginning of the previous period, swelled to more than three times that amount by the end of the period to 29,931,026 thousand yen, thanks to this fundraising and the accumulation of net income (2,937,459 thousand yen) at the time.
Capital maintenance and transition to debt in the current period (fiscal year ended March 2026): Conversely, in this consolidated fiscal year, there was no capital reinforcement through the 'issuance of new shares'. This confirms that the company is using the massive equity capital raised in the previous period as a foundation, while leveraging debt (liabilities) such as borrowings and leases to carry out capital investment in the current period.
Trends in retained earnings and shareholder returns: Although 'net income attributable to owners of the parent' for the current period shrank significantly compared to the previous period to 216,023 thousand yen, the company paid out 161,089 thousand yen as 'dividends from surplus'. It can be seen that the company is maintaining shareholder returns through dividends even during a period of profit pressure due to upfront investments (the pains of creation). Total shareholders' equity at the end of the current period was 30,072,470 thousand yen, indicating that the capital base itself remains stable even amidst rapid investment expansion.
Cash Flow Analysis
7. Cash Flow Analysis: Strong Cash-Generating Ability of the Core Business and Extraordinary Investments That Surpass It
The consolidated statement of cash flows for the fiscal year ended March 2026 shows that the company is prioritizing foundation building for the future (AI/GPU infrastructure investment) even while accepting a significant negative free cash flow.
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Operating CF (Cash-generating ability of the core business): Strong despite the apparent decline in profits
Profit before income taxes dropped sharply from the previous period to 244,322 thousand yen. However, 'depreciation expenses', which are costs not accompanied by actual cash movements, surged to 7,739,239 thousand yen (4,768,734 thousand yen in the previous period) as infrastructure became operational, and this was added back to profit. As a result, the subtotal of cash flow from operating activities reached 8,060,243 thousand yen (6,330,240 thousand yen in the previous period), confirming that the core business itself is generating cash steadily.
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Investment CF: One of the largest infrastructure investments in history, linked to national policy
This section most clearly shows the company's investment stance for the future. 'Expenditures for the acquisition of tangible fixed assets' were -36,336,695 thousand yen, more than double the scale of the previous period (-17,657,769 thousand yen). On the other hand, the company received 12,346,456 thousand yen as 'proceeds from national subsidies, etc.', revealing a structure where a portion of the massive investment is covered by government support. Even after deducting these, the total investment CF resulted in a massive cash outflow (negative) of -24,643,100 thousand yen.
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Financial CF and Cash Balance: Depletion of Liquidity and Utilization of Debt
In the current fiscal year, 'proceeds from issuance of shares' was zero (compared to a large-scale capital increase of 17,942,964 thousand yen in the previous fiscal year). Instead, by utilizing debt such as borrowings, financial CF resulted in a positive 4,319,267 thousand yen. However, even combining earnings from core business (operating CF) and borrowings (financial CF), it was not enough to cover the massive capital investment (investing CF). As a result, the 'cash and cash equivalents at end of period' decreased significantly from 29,489,223 thousand yen at the end of the previous fiscal year to 15,394,756 thousand yen.
【Analysis Highlights】
The movement in this cash flow statement perfectly confirms that the massive pile of cash raised through equity in the previous fiscal year was converted all at once in the current fiscal year into tangible fixed assets (future revenue foundations) called 'servers and data centers'.
In-depth Analysis from Notes
8. The Reality of the Business and Future Foundations as Told by the Notes
By examining the notes to the securities report in detail, the risks faced by the company, the stability of its revenue structure, and the trends of major customers become more concrete.
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Revenue Recognition and the Robustness of the 'Stock-type' Business:
According to the notes on 'Revenue Recognition,' the company's main services—'Cloud Services,' 'GPU Infrastructure Services,' and 'Physical Infrastructure Services'—all have an 'obligation to provide services daily or repeatedly over the contract period,' and it is clearly stated that revenue is recognized over the service provision period. This indicates that the company's revenue is not based on temporary 'one-off sales (flow)' but on a continuous billing model (stock-type/ARR), which is evidence that once the initial investment is completed, it possesses a solid foundation for generating stable cash over a long period.
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Significant Increase in Remaining Performance Obligations (Future Confirmed Sales):
Looking at the table for 'Transaction Price Allocated to Remaining Performance Obligations' in the same 'Revenue Recognition' section, the amount of revenue expected to be recognized in the future has more than doubled from 1,968,084 thousand yen in the previous fiscal year to 4,103,898 thousand yen in the current fiscal year. In particular, medium- to long-term contracts spanning from 'over 1 year' to 'over 3 years' are accumulating, confirming a situation where future sales prospects are steadily building up (increase in backlog) against the backdrop of AI demand and government cloud certification.
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Emergence of a Specific Major Customer Symbolizing Alignment with National Policy:
In the 'Information by Major Customer,' sales of 4,575,633 thousand yen were recorded for a single customer, the 'National Institute of Health and Crisis Management,' in the current fiscal year. This is a scale that well exceeds 10% of consolidated net sales (35,301,649 thousand yen). This fact alone reveals that the company is establishing a position to support critical infrastructure for the nation and public institutions, and together with the aforementioned 'national subsidies,' it is clear that the company is promoting its business in deep alignment with national policy.
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The Powerful Impact of Tax-Purpose Depreciation:
In the notes to the consolidated balance sheet (Notes 5 and 6), details of the 'tax-purpose depreciation' amount resulting from national subsidies and similar sources are provided. The cumulative tax-purpose depreciation for the current period reached 22,699,918 thousand yen, with the vast majority being 'tools, equipment, and fixtures (20,752,284 thousand yen).' This indicates that the company is aggressively procuring high-cost IT infrastructure, such as GPU servers, by leveraging government subsidies.
From the analysis so far, it has been confirmed with consistency across the P/L, B/S, C/F, and notes that Sakura Internet is in a highly dynamic phase of 'investing all-out in GPU and cloud infrastructure by riding the tailwinds of national policy, even if it means emptying their cash reserves.'
Status of Major Shareholders and Refinement of Capital Structure
9. Changes in Shareholder Composition: Breaking Free from Control by Specific Shareholders and the Entry of Institutional Investors and Overseas Entities
From the status of major shareholders (as of March 31, 2026), it is clearly evident that the company has completely broken away from control by a specific business entity and is becoming more refined toward a capital structure geared toward open institutional investors.
Diminishing Influence of Sojitz Corporation and the Foundation for 'Complete Independence': Sojitz Corporation, which had long exerted strong influence over the company as a parent company or other affiliated company, was finally removed from the 'other affiliated companies' category due to a change in voting rights ratio (partial sale of shares) on March 12, 2026. Although it remains the top shareholder with a 14.80% stake, the management team's freedom of decision-making has increased dramatically, establishing its position as a completely independent provider in the speed-critical field of AI infrastructure investment.
Moderate Commitment from Top Management: Representative Director and President Kunihiro Tanaka (including his asset management company) is the second-largest shareholder with a 12.83% stake. While maintaining sufficient 'skin in the game' as a founder-president, he has settled into a moderate holding ratio rather than a majority control that would hinder governance.
Inflow of Domestic and International Institutional Investors and Global Money: In addition to The Master Trust Bank of Japan (5.49%), overseas global custodians such as BNYM (3.29%) and JPMSLLC (2.50%) (standing proxies: MUFG Bank, Citibank) have appeared in the top rankings. This is clear evidence that the company's growth story, linked to national policy-driven AI infrastructure investment and adoption of the government cloud, is being evaluated by overseas institutional investors, leading to an inflow of serious 'professional capital.'
High Liquidity and Support from Individual Investors: The presence of major securities firms such as Nomura Securities, Rakuten Securities, and SBI Securities in the top rankings indicates that active trading is being conducted by retail (individual) investors, ensuring extremely high stock liquidity in the market.
[Summary and Conclusion of the Securities Report Analysis]
10. Summary by Top Management and Funding Strategy: 'Aggressive Governance' That Takes Risks and Determination as a Domestic Digital Infrastructure Provider
The management's perspective (MD&A) and the section on significant contracts reveal how the company perceives its current situation and future direction, and how it secures funding.
Calm Recognition of the Gap Between Management Goals and Current Status: Management has set high goals of '10% or more sales growth rate, 30% or more gross profit margin, and 10% or more ordinary profit to sales ratio.' While the company cleared the sales goal for the current period (12.4% increase) and recorded an all-time high, it frankly admits that profit margins were 'at a level below the target due to the impact of cost increases associated with aggressive upfront investment.' However, it positions this as a 'temporary burden due to investment in growth areas' and expresses confidence in improving corporate value over the medium to long term.
Backing for Funding: Large-Scale Debt Financing: In 'Significant Contracts,' it is specified that in December 2025, the company borrowed a total of 12 billion yen from five mega-banks and other institutions (funds for container-type data centers, etc.). This borrowing is 'unsecured and unguaranteed,' which is a testament to the strong creditworthiness the banking syndicate grants to the company's business plan.
'Focus on Core Business' and Pride as 'Domestic Infrastructure': Based on the recognition of the external environment that 'expectations for domestic public clouds are rising from the perspective of economic security,' the company declares that it is 'establishing its position as a core player supporting generative AI infrastructure' by concentrating management resources on the cloud business and advancing the securing of GPU resources and the development of data center foundations. One can feel the strong will to aim for being Japan's 'top digital infrastructure company,' leveraging the official adoption of the government cloud.
Update on Capital and Business Alliances: Restructuring the Relationship with Sojitz: With Sojitz Corporation being removed from 'other affiliated companies,' the company has deleted the 'clause premised on capital alliance' from the business alliance agreement. While maintaining a cooperative business relationship, it has shifted to a flat relationship without capital binding, which also reflects its stance of pursuing autonomy as an 'independent' entity.
Overall Conclusion: Toward Investment Decisions for Sakura Internet
Through an in-depth analysis of the securities report, the current phase of Sakura Internet has become clearly apparent.
In the midst of 'birth pangs': The deficit on the Profit and Loss (PL) statement and the significant negative Cash Flow (CF) are not signs of business deterioration, but rather the result of intentional and aggressive upfront investment aimed at building next-generation AI infrastructure.
Complete alignment with national policy: By receiving massive subsidies (tax-deferred accounting), being selected for the Government Cloud, and securing large-scale orders from national research institutions, the company has deeply embedded itself at the core of Japan's digital strategy.
Confidence in recurring revenue: As evidenced by the doubling of 'remaining performance obligations' and robust operating cash flow, the company possesses a business model that will generate stable, long-term revenue once the investments are completed.
Capital independence and sophistication: By breaking away from dependence on specific shareholders and attracting capital from professional investors both domestically and abroad, the company has built a resilient governance structure that enables agile decision-making and fundraising.
Overall, the company is currently experiencing its 'period of maximum cash outflow' and 'period of strongest foundation building' simultaneously. The biggest point in evaluating this company is how confidently one can believe in the scenario where these massive tangible fixed assets (GPUs and data centers) will be in full operation from the fiscal year ending March 2027 onwards, and will be returned as profits (the harvest period).
Editor's Note
In a quiet space completely cut off from the outside world, surrounded by piles of data and stacks of securities reports on my desk, staring at my laptop monitor, there are moments when the 'raw, true face' of a company hidden behind the numbers emerges.
What I personally found most interesting in this analysis of Sakura Internet was not the financial figures themselves, but the change in 'shareholder composition'.
Long-time investors likely had an image of the company as a 'slightly shady stock dominated by numerous individual shareholders of unknown origin.' The history until now has been one where Sojitz, a general trading company, entered the picture and exerted mature governance as the parent company.
And now, Sojitz has sold a portion of its shares and is finally no longer an 'other affiliated company.' One concern crosses my mind here: 'Will the weight be lifted, and will it revert to the chaotic state of the past (a regression to its ancestors)?'
A company's fate ultimately comes down to the quality of its leadership. If the management team still has the same mindset as in the past, that risk is very real. However, the current Sakura Internet is at a point of no return.
CEO Tanaka, who was once the head of a tech venture, has transformed into a figure who now leads Japan's entire IT industry and carries the burden of building digital infrastructure at the very heart of national policy. And now, instead of Sojitz, they are being monitored by 'global institutional investors' who are extremely strict about governance, and by the 'Japanese government' itself, which has invested a massive 14 billion yen of taxpayer money in this fiscal year alone.
If there is even the slightest hint of opaque activity, professional capital will be withdrawn without mercy, and government certification will be revoked. They are placing themselves under a level of scrutiny that is more intense than ever before.
Sojitz's exit is by no means a loosening of governance. These stacks of documents quietly told me that it is, in fact, a manifestation of a fierce determination to 'burn the bridges behind them and push forward to the pinnacle of Japan's digital infrastructure.'
See you in the next article.
#KatoChanAnalysis
(Disclaimer: This text is for informational purposes only and does not constitute a solicitation for any specific stock, investment advice, or a guarantee of the completeness of financial analysis. Investing involves risks. Please make final investment decisions at your own responsibility.)
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