Gunjo · Business Intelligence for the AI Era
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SoftBank and Masayoshi Son: The Capital Adventure from a Japanese Telecom Operator to Global Tech Investment and the Vision Fund

Founded: Masayoshi Son · SoftBank Group Corp.

JOURNEY

Key Fields

FIELD STAMPS
IndustryFintech
RegionJapan
ScaleGiant
ChannelB2C

Origin

Masayoshi Son founded SoftBank in 1981, initially as a software distributor. Inspired by the computer revolution during his studies in the United States, he vowed to change the world through technology. In the 1980s, when Japan's software distribution market still relied on personal computer magazines and physical stores, Son seized the PC-era window, accumulated his first pot of gold through software wholesale, and subsequently expanded into publishing, telecommunications, and internet investment. At his core, he is a gambler-entrepreneur accustomed to placing high-leverage bets on the next wave of the era.

Milestones

1981
Foundation Turning Point
In 1981, Masayoshi Son founded SoftBank in Fukuoka with 10 million yen in capital, initially focusing on software distribution. At a time when Japan's personal computer market was just beginning, Son leveraged observations of the US PC market to conclude that software offered higher profit margins than hardware. Using magazine advertisements and telemarketing to acquire customers, SoftBank was listed on the Tokyo Stock Exchange in 1994, with its market cap briefly exceeding 3.8 trillion yen and Son's personal net worth surpassing $4 billion, completing his transition from individual entrepreneur to listed company founder.
1995
Internet Investment Turning Point
Sharply betting on the internet wave, Son invested about $100 million in Yahoo in 1995, acquiring a 33% stake; in 1996, he formed a joint venture with Yahoo to establish Yahoo Japan, which by 2000 had become the most-visited website in Japan. Between 1999 and 2000, he aggressively invested in global internet companies, with SoftBank's market cap temporarily exceeding $200 billion at its peak. However, when the dot-com bubble burst in 2000, SoftBank's market cap plummeted by 99%, Son's personal wealth dropped by over $70 billion, and the company was left heavily indebted, forcing him to scale back operations. This phase lasted from 1995 to 2000.
2001
Telecom Expansion Turning Point
In 2001, SoftBank acquired the fixed-line business of Japanese telecom operator Japan Telecom, followed by the 2004 acquisition of Vodafone Japan to form SoftBank Mobile. Defying widespread skepticism, Son negotiated with Apple in 2006 to secure exclusive distribution rights for the iPhone in Japan—at a time when industry peers deemed the iPhone too expensive—and his gamble paid off. When the iPhone 3G launched in 2008, SoftBank experienced a surge in subscribers, turning its mobile business into a cash cow that rescued the company. This phase lasted from 2001 to 2006.
2014
Alibaba IPO PMF
In September 2014, Alibaba went public on the New York Stock Exchange, with SoftBank's stake valued at over $60 billion—a return exceeding 3,000 times its $20 million investment in 2000. This propelled Son to the top of Japan's rich list and officially established SoftBank as a premier global tech capital group. Stemming from a six-minute meeting between Son and Jack Ma in Beijing in 1999 that sealed the investment, SoftBank became Alibaba's largest shareholder, making this wager one of the most successful investments in SoftBank's history.
2017
Vision Fund Failure
In 2017, Masayoshi Son launched Vision Fund 1, the world's largest private equity fund, reaching a scale of $100 billion with backers including Saudi Arabia's sovereign wealth fund ($45 billion) and the UAE's Mubadala. The fund made heavy bets on companies like Uber, WeWork, and Didi. In 2019, WeWork's failed IPO caused its valuation to collapse to $8 billion, forcing SoftBank to inject over $10 billion to take control, resulting in massive book losses for the Vision Fund. In fiscal year 2019, SoftBank Group suffered a loss of approximately 1.36 trillion yen, and Son publicly admitted to 'misjudging investment decisions.' This phase lasted from 2017 to 2019.
2020
Restructuring & AI Pivot Turning Point
In 2020, SoftBank raised funds by selling about $80 billion worth of Alibaba shares while stepping up its bet on ARM. After NVIDIA's proposed acquisition of ARM collapsed due to regulatory hurdles in 2022, Son pivoted to pursue an independent IPO for ARM. In 2023, ARM listed on NASDAQ with an initial market cap of about $68 billion. Concurrently, SoftBank began focusing on AI infrastructure investments, leading multiple funding rounds for OpenAI between 2023 and 2024 and announcing massive investments in computing power. In 2024, SoftBank announced plans to spend hundreds of billions of dollars building AI data centers. This phase lasted from 2020 to 2023.
2026
AI Revaluation Growth
Amid a tech stock surge in June 2026, SoftBank's market cap reached 49.30 trillion yen (approx. $306 billion), surpassing Toyota to become Japan's most valuable company, while Masayoshi Son's net worth reached $100.7 billion to reclaim the title of Asia's richest person. At the shareholders' meeting on June 24, Son announced a 10-year net asset value target of $6.189 trillion and plans to acquire ABB's robotics business to build a 'physical AI' empire. In July, SoftBank partnered with OpenAI and others to form the joint venture SB Neo with a 51% stake to operate AI cloud services in the US, while reports emerged that it was seeking a $15 billion loan backed by OpenAI shares for AI investments.
2026
Investment Scissors Gap Turning Point
In August 2026, analysts pointed out that while SoftBank's operating profit has recently recovered, its capital expenditure scale is even larger, creating a 'scissors gap' where it makes money with one hand and spends it with the other. With SB Neo data centers still under construction, SP.LINKS integration yet to yield results, and Seven & i's AI integration unfulfilled, optimistic estimates place the payback period at two to three years. Masayoshi Son has once again placed himself in the hot seat, and the market remains controversial regarding his high-leverage AI bets; however, unlike in 2000, this time his moves are backed by ARM, telecom cash flows, and actual AI orders.

Turning Points

  • Bet on Yahoo in 1995, entering the internet investment sector and cementing its status in global venture capital.
  • Went all-in to secure the exclusive Japan distribution rights for the iPhone in 2006, transforming from a telecom operator into a pioneer at the forefront of tech.
  • Alibaba went public in 2014 with investment returns exceeding 3,000x, pushing SoftBank to the pinnacle of global capital.
  • The WeWork investment collapse in 2009 [noted as 2019 contextually] marked a Waterloo for the century-spanning mega-bet, forcing the company to admit misjudgment and take massive write-downs.
  • Reduced Alibaba holdings in 2020 to pivot toward ARM and AI, completing the critical transition from consumer internet to hard-tech investment.

Failures & Pitfalls

  • The dot-com bubble burst in 2000, causing SoftBank's market cap to plunge by 99% and wiping out over $70 billion in personal wealth.
  • The failed WeWork IPO in 2019 forced SoftBank to rescue the company, leading to massive investment losses and over $10 billion in book write-downs.
  • NVIDIA's proposed acquisition of ARM was terminated due to regulatory opposition in 2022, causing SoftBank to incur heavy transaction costs and forcing a replanning of ARM's future path.
  • Vision Fund 1 accumulated losses of approximately $27 billion by 2020, resulting in the departure of multiple key executives and damaged credibility.

关键成功要素

  • Masayoshi Son excels at placing bets on the eve of technological revolutions; from PCs to the internet, mobile internet, and AI, every transition has been accompanied by high-intensity leverage.
  • SoftBank relies on telecom operators to provide stable cash flows, supplying ammunition and credit backing for high-risk investments.
  • Partnering with sovereign wealth funds like Saudi Arabia resolves ultra-large-scale capital supply, though political risks accompany it.
  • Flagship assets like ARM and Alibaba serve as ballast stones, giving SoftBank comeback chips during hardships.
  • Masayoshi Son's personal authority and extreme self-confidence drive corporate decision-making, daring to place heavy bets in uncharted territories.

Lessons

  • High-leverage bets require enduring extreme drawdowns; the 99% crash in 2000 demonstrates that when a bubble bursts, any valuation can evaporate.
  • Investment portfolios must be diversified; heavy concentration in a single massive track (such as WeWork) can drag down an entire fund.
  • The window for technological transformation is fleeting; missing the starting point means missing an entire era—Son missed social media but caught AI.
  • Capital and reputation can be rebuilt, but it requires consistently delivering results; SoftBank won back the market through ARM and AI.

Core Data

  • 市值:4.93 trillion yen (public data basis, independent verification unverified)
  • 创始人身家:$100.7 billion (public data basis, independent verification unverified)
  • 愿景基金一期规模:$100 billion (public data basis, independent verification unverified)
  • 阿里投资回报倍数:3,000x (public data basis, independent verification unverified)
  • 2026年净资产价值目标:$6.189 trillion (public data basis, independent verification unverified)
  • 净利润:-1,360,000,000,000 yen (public data basis, independent verification unverified)

Competitors / Peers

In the global tech investment space, SoftBank benchmarks against top-tier venture capital firms like Sequoia Capital and Tiger Global Management, but stands unique in capital scale and sector breadth due to the $100 billion volume of the Vision Fund. Compared to them, Sequoia favors early and growth stages, while Tiger focuses on later stages; SoftBank deeply engages in the AI supply chain by controlling ARM and investing in OpenAI. Other competitors include Middle Eastern sovereign wealth funds such as the UAE's Mubadala and the Saudi Public Investment Fund. Domestically in Japan, SoftBank has surpassed Toyota in market value to become a dual benchmark for technology and financial groups, with a model closer to a hybrid of a Japanese Berkshire Hathaway and Silicon Valley venture capital.