Masayoshi Son: SoftBank's AI Layout

Masayoshi Son: SoftBank's AI Layout—Ammo, Traps, and Global Ambition

By Hayato Ishihara, GFM Tokyo Correspondent

Masayoshi Son's SoftBank Vision Fund restarts multi-billion dollar AI ammo in 2025

Under Tokyo's neon lights, Masayoshi Son never naps. He is like an insatiable fox, sniffing out the scent of global tech ambitions—from the Bitcoin bubble in Silicon Valley to the petrodollars of the Middle East, and down to the AI abyss in China.

Masayoshi Son is not a president and needs no votes; he is not the richest man and does not flaunt private islands; he is not even the inventor of AI, yet he can casually say: "AI is not a bubble, it is the next industrial revolution." On November 11, 2025, in a high-level conference room at SoftBank's global headquarters in Hamamatsucho, Tokyo, Son uttered these words. In the room, outside the floor-to-ceiling windows was the red glow of Tokyo Tower, and on the table lay a 300-page "Vision Fund 3" plan detailing how SoftBank would reallocate $10 billion over the next 24 months: from the edge of the US deficit crisis to the abyss of China's AI computing power, from the swamp of Europe's green transition to the oil-AI hybrid of the Middle East.

This is not science fiction; this is Masayoshi Son's daily life. SoftBank, which he leads, is already the world's largest tech investment company, managing assets exceeding $200 billion—equivalent to 1.5 times the total of global venture capital funds. Its tentacles reach into every AI startup, every sovereign fund's balance sheet, and every Silicon Valley CEO's shareholder registry. Son's decisions are not market fluctuations, but tectonic movements. In 2025, his Vision Fund 2 assets soared to $65.8 billion, becoming the world's largest AI fund; his "Stargate" project is pouring $50 billion into US AI data centers, predicting that "AI will replace 10% of global GDP."

But Son's empire has never been a fairy tale. It began with the revenge of a Korean-Japanese boy, went through the blood and fire of Wall Street, and transformed into the "shadow central bank" of global tech. In 2025, intertwined with AI and geopolitical crises, Son's next move will determine who dominates and who falls to the fringe. This GFM "Financial Figures" column tells not just a story, but disassembles power maps, capital flows, hidden moves, and traps. Let us start from the back door of that shoe store in Saga Prefecture and walk step by step into Masayoshi Son's kingdom.

The Revenge of the Saga Boy—From Slums to the Birth of the Yahoo Empire

On August 11, 1957, in Tosu City, Saga Prefecture, Japan, in a poor Korean immigrant family, Masayoshi Son was born as Masayoshi Yasumoto. His father, Kanji Yasumoto, was a pig farmer, his mother a housewife, and there were eight children in the family. Son was the youngest and knew from an early age what it meant: "If it doesn't sell, there's no food." His father drove pigs to the market every morning, his mother mended old clothes, and the pig pen at home was his playground. At that moment, Son felt the shadow of poverty for the first time—not abstract numbers, but the helplessness of his father counting coins with his head down, and the last rice ball his mother stuffed into his schoolbag. This childhood held no glittering legends, only the cruelty of the grassroots economy: pigs not selling, creditors knocking, the family teetering on the edge. It honed Son's instinctive hunger for "opportunity" and planted the seeds of his future empire—risk is not an enemy, but a beast that must be tamed.

In 1973, 16-year-old Son traveled to the United States to study at Serramonte High School in California. He changed his name to Masayoshi Son, learned English, and learned to dream. In 1977, he earned a BA in Economics from UCLA; in 1981, he entered UC Berkeley Business School. This academic career was like a rehearsal: economics taught him to read the chessboard of the capital game, and business school gave him a glimpse into the magic of leverage—how a piece of land could spawn endless bonds and dreams. After graduation, he headed straight for Silicon Valley and founded SoftBank Corp. at 21, with his first business being the import of used arcade machines.

The early 1980s Silicon Valley was an era of carnival. Personal computers were just taking off, and Son was like a hungry wolf, becoming the youngest millionaire at 24. His team turned SoftBank from a trading company into a software empire—bundling scattered tech products into tradable "slices" and selling them to global investors. This was not just technological innovation, but a herald of tech democratization: allowing ordinary Japanese people to indirectly own Silicon Valley chips.

But in 1984, everything collapsed. That year, a black swan descended: Son bet on VLSI semiconductors but ran into the US-Japan trade war. His company blew a $2 million hole of blood—at the time, an astronomical figure, equal to 1/5 of SoftBank's annual profit. That night, Son stared at the red ledger in his San Francisco apartment, his world collapsing. He later confessed: "I thought I was a genius, but I ended up a beggar." At an internal company meeting, executives accused him of "arrogance" and "ignoring risk," and Son was "advised to leave"—Silicon Valley's euphemism for "being pushed off a cliff." This failure was not the end, but a turning point: Son reflected, "Risk management is not an elective, it's a survival skill." He began to conceive a system that could predict every hidden bomb.

In 1986, climbing out of the bloody hole, Son founded the SoftBank Group. The name was simple and iron-blooded: Soft (Software) + Bank. Initially, it was a small workshop focused on software distribution and venture capital. The first product? Not a fund, but advisory services—teaching clients how to avoid the mines Son himself had stepped on. No one bought it until they invested in Yahoo.

Yahoo was initially Son's salvation. It was not a website, but an oracle: processing millions of queries per second, simulating interest rate shocks, competition, geopolitical conflicts, and even the chain effects of bubbles on assets across the internet. In 1996, Yahoo IPO'd; in 1999, Son became Chairman. Yahoo turned from an internal toy into a nuclear weapon for sale—global institutional investors flocked to it. In 2000, acquiring ZAPPOS doubled assets; in 2006, acquiring Vodafone Japan made it number one in Asia. In 2013, the ARM empire was born, with assets breaking $100 billion in 2024. By 2025, the SoftBank Group's market capitalization exceeded $200 billion—Son's empire already accounted for 5% of global tech GDP.

Son's leadership style is a lethal fusion of "grand strategy" and "microscopic detail." He personally reviews every multi-billion dollar investment (such as OpenAI and Ampere in Q3 2025, totaling $30 billion), yet also boldly bets on Chinese AI—Vision Fund 2 assets reached $65.8 billion in 2025, becoming the largest AI fund issuance in history. Forbes has named him "Asia's Best CEO" for 10 consecutive years, and Time listed him among the "100 Most Influential People" in 2025. But Son is never complacent: "We are not investing money; we are buying the future."

SoftBank's Masayoshi Son's investment pledge in the US to Trump

The Coronation of 2008—From Silicon Valley Outcast to Shadow Central Bank

On March 16, 2008, 48 hours before the collapse of Lehman Brothers, US Treasury Secretary Henry Paulson's phone rang: "Masayoshi, we need you." Three days later, SoftBank became the government-designated "tech asset liquidator." After Yahoo collapsed, Son's team worked through the night to price Alibaba's derivative portfolio for the Fed—poison worth hundreds of billions of dollars. Son recalled: "We were not saving the market; we were saving the system." At that moment, SoftBank transformed from an investment company into the "shadow central bank" of global tech.

This was no coincidence; it was Son's layout. Before 2008, SoftBank had already used Yahoo to provide risk simulations for the Fed and the ECB. In the crisis, it became the fire brigade: handling $50 billion in tech debt, Alibaba derivatives, and even stress tests for the Eurozone crisis. In 2010, SoftBank was entrusted with managing the Fed's emergency asset purchase program (QE). Son's reward? Not just reputation, but data—a priceless trove of global central bank data. This allowed Yahoo to evolve from a risk tool into a "global tech neural center," monitoring $35 trillion in risk exposure by 2025.

Son's empire has since become pervasive. In the 2020 pandemic, the Fed sought help again: SoftBank managed $1.4 trillion in tech reserve assets. In 2025, when the US deficit crisis erupted (Son warned in his Chairman's letter: "If the economy doesn't grow by 3%, the deficit will devour everything"), SoftBank became the savior again: through the Vision Fund, absorbing $1.2 trillion in public assets and shifting to private credit and AI infrastructure. Son said: "Public markets are dead; private markets are the future." This is his gamble: private asset inflows are expected to reach $90 billion in 2025, with SoftBank targeting a 30% share.

The Rise and Fall of the ESG Empire—From Climate Pope to AI Apostate

In 2015, Son wrote his first letter to CEOs: "Profit is no longer the sole purpose; purpose must serve society." This letter, like a nuclear bomb, blasted open the ESG floodgates. In 2020, he announced SoftBank's exit from thermal coal investments, and ESG assets skyrocketed from $1 trillion to $4 trillion. Son became the "Climate Pope": his letters influenced trillions of dollars flowing into green transition; SoftBank's voting rights forced board re-elections in 200 companies (2025 data).

But in 2023, the backlash arrived. 17 US states boycotted SoftBank, and Florida withdrew $5.2 billion in pension funds. Conservatives called ESG "woke capitalism," and Son fought back: "ESG has been weaponized." In his 2025 Chairman's letter, he buried it himself: "We no longer use E, S, G." It was replaced by "Transition Investing"—balancing energy transition and security, promoting nuclear energy and natural gas. This is not a retreat, but evolution: Son defines nuclear energy as "clean" and Bitcoin as "digital gold." The EU antitrust investigation questioned "greenwashing," and Son sneered: "The market is not perfect, but we are improving it."

The legacy of ESG? SoftBank's $1 trillion green investment and a $1.1 trillion forecast for the carbon credit market (SoftBank's advisory role). But Son's true ambition is "Energy Pragmatism": in 2025, he lobbied Congress to redefine nuclear power and led an $850 million investment in Oklo's SMRs. Son said: "AI needs oxygen, and nuclear energy is that oxygen."

The Bitcoin U-Turn—From "Money Laundering Index" to "Digital Gold"

In 2017, Son called Bitcoin a "money laundering index." In 2025, he admitted: "I was wrong." SoftBank's OpenAI investment has reached $30 billion, making it the world's largest AI fund. Son said at the Tokyo Summit: "Bitcoin is a fear asset, like gold." In 2025, digital wallets hold $1.4 trillion in assets, and Son predicts the crypto market will expand 10 times from $4.5 trillion. He promotes tokenized ETFs and stablecoin trading to make the market "faster and more transparent."

Son's turn is not repentance, but strategy: In 2025, US dollar hegemony faces challenges, and he warns: "If the deficit spirals out of control, Bitcoin will replace the dollar." SoftBank's crypto custody, in partnership with Coinbase, has an institutional adoption rate of 75%. In the first half of 2025, Vision Fund 2 attracted $26 billion in the crypto sector, and IBIT-like products hold about 400,000 BTC, accounting for 3% of Bitcoin's total market cap. This is not just a numbers game: a 0.25% management fee generates $245 million in revenue annually, surpassing SoftBank's S&P 500 index fund.

Why the turn? Strategic considerations are layered. First, the hidden worry of dollar hegemony. In 2025, US debt interest payments are approaching $1 trillion, and the deficit crisis follows like a shadow. Son warned in his letter: "If the deficit spirals out of control, Bitcoin will replace the dollar." Decentralized assets like Bitcoin provide a haven against central bank money printing—just like the role of gold after the Nixon Shock in 1971. SoftBank's data shows that institutional adoption has reached 75%, partnering with Coinbase for crypto custody, processing billions of dollars in transactions daily. Second, the wave of tokenization. Son sees it as the "next wave of opportunity," predicting real estate, stocks, and bonds will all be digitized. SoftBank's BUIDL tokenized money market fund has become the largest, and IBIT is the touchstone. In 2025, stablecoin transaction volume doubled, and SoftBank promoted tokenized ETFs to make the market "faster and more transparent." Finally, customer demand driven. Retail investors account for half of the inflows, two-thirds of whom have never touched SoftBank products; institutions like Harvard University held $443 million in shares in the third quarter. Son admitted: "I grow and learn."

But this turn was not painless. In November, Bitcoin plunged 25%, and the Vision Fund saw a single-day outflow of $523.2 million and a monthly net outflow of $2.34 billion. SoftBank executives reacted indifferently: "This is normal volatility for a fast-growth fund." After all, with an average purchase cost of $90,146, investors accumulated $3.2 billion in profits after BTC rebounded to $91,000. Deeper down lies regulatory and reputational risk. Republican lawmakers accused SoftBank of "woke capitalism," but Son insisted: "Bitcoin has a role, like gold." His U-turn is not just an adjustment in asset allocation, but a redrawing of the future financial map: Bitcoin transforms from a money laundering index to digital gold, and SoftBank changes from a gatekeeper to a key holder.

The New Middle East-Asia Alliance—Son's "New Oil"

In Q3 2025, the "Stargate Fund" was born: $30 billion, with partners Saudi PIF, Abu Dhabi Mubadala, and China Reform Holdings. Targets: data centers, ports, LNG terminals, SMRs. Son said: "The future oil is computing power." This is Son's hidden move: avoiding US-China friction, using the Middle East bridge to sweep up Asian infrastructure. In its first year, the fund invested $10 billion in Chinese AI computing power and European ports, expected to expand to $100 billion by 2026. In the AI-thirsty year of 2025, this alliance will reshape the global supply chain, making SoftBank the financial helmsman of the "New Silk Road."

The Middle East is the hub. Saudi PIF's $30 billion anchor investment stems from the transformation ambition of Vision 2030: from oil dependence to an AI and green energy empire. SoftBank's Riyadh platform, launched in 2024, already manages $20 billion, launching Saudi systematic active equity and MENA fixed income funds in 2025. Mubadala's participation locks in the UAE's data center boom: in 2025, Abu Dhabi invested $10 billion in AI infrastructure, with SoftBank accounting for 20%. Son's logic is simple: the Middle East has capital, Asia has demand, and the US/EU has technology—the Stargate Fund connects the three, avoiding tariff barriers. The first deal? $10 billion invested in Huawei Cloud data centers in China, paired with Saudi LNG terminals, ensuring the "oxygen" supply for AI computing power.

Asia is the battlefield. China's EV dominance is unshakable: in 2025, BYD and CATL exports to Europe accounted for 7-8%, with a global EV market share exceeding 50%. But supply chain worries are emerging: the US IRA act forces localization, and the transfer of Chinese LFP cathode technology is hindered. Son publicly supported in his 2025 letter: "China leads in EVs, but needs a diversified supply chain." SoftBank's China assets exceed $50 billion, increasing holdings in CATL by 15% in 2025, but was attacked by conservatives as "funding the enemy." Son fought back: "Lies continue." Stargate's China bet focuses on AI rather than EVs: $10 billion invested in East China data centers, expecting a 15% annual return. Meanwhile, pivoting to Southeast Asia: a $600 million battery plant in Indonesia, partnering with QIA to build a full supply chain.

The cost of this alliance? Geopolitical risk. Middle East SWF investment in Asia surged 40% to $56.3 billion, but the shadow of the US-China trade war looms. Son's "new oil" is computing power, not crude, but equally flammable. Stargate is not just a fund, but Son's power map: a Middle East bridge, an Asian abyss, with SoftBank profiting in the middle.

The Ultimate Harvest of Private Markets—The Funeral of Public Markets

Son predicts: "Public markets are dead." In 2025, SoftBank withdrew $1.2 trillion from public markets, shifting to private credit, infrastructure, and real estate. Private asset inflows reached $90 billion, targeting a 30% share. This is his gamble: the traditional 60/40 stock/bond portfolio is obsolete, pushing 50/30/20—50% stocks, 30% bonds, 20% private assets. Private markets are opaque, but returns are as high as 15%, with AUM reaching $474 billion in 2025, and fee growth of 136%. In an era of sluggish public market IPOs and intensified volatility, this is SoftBank's ultimate harvest: from mass democratization to elite exclusivity.

The engine of transformation is M&A. In 2025, SoftBank spent $32 billion acquiring HPS Investment Partners (private credit) and the Preqin data platform, with private market AUM flipping 73% since 2020. Private credit accounts for 10% of global loans, replacing medium-sized transactions in the public bond market. Son predicts: "Private markets are the future." In 2025, infrastructure funds attracted $171 billion, focusing on AI data centers. Returns? Private equity is expected to return 15% in 2025, higher than the public market's 8%.

But the funeral is not smokeless. Public markets saw outflows of $46.6 billion in fixed income, and high fees for private assets (1-2%) raised questions. The EU antitrust investigation into private market opacity met Son's response: "We are improving." In this harvest, SoftBank turns from gravedigger to heir.

Retirement Crisis and "Economic Democracy"—Son's Populist Turn

Son warns: "We spend enormous energy extending life, but ignore how to pay for the extra 20 years." SoftBank manages retirement assets for 35 million Japanese people, promoting "Economic Democracy" in 2025: letting everyone invest in Asian growth. But Son's populism is capitalistic: using ETFs to let retail investors share private market dividends. In June 2025, at a closed-door dinner in Washington D.C., Son toasted Senators Elizabeth Warren and Ted Cruz, two mortal enemies who usually tear each other apart, but who both nodded listening to the same story: what is about to go bankrupt in America is not the Treasury, but the retirement accounts of 35 million ordinary families.

"We stretched human life from 47 to 79, yet we still use the retirement age of 65 invented by Bismarck in 1889," Son pushed his phone to the center of the table, displaying cruel numbers on the screen: In 2025, the retirement asset gap for the US population over 65 reached $4.2 trillion; one in three baby boomers relies solely on a monthly Social Security check of $1,918; 53% of Americans cannot even come up with $1,000 for emergency medical expenses. The room was quiet enough to hear the ice melting.

This was not a charity gala; this was a declaration of war.

Two months later, SoftBank launched the "LifePath Paycheck" lifetime income fund, attracting $31.2 billion in one year, becoming the fastest target-date fund to break 30 billion in history. Its real killer move lies not in the 8.7% annualized return, but in the "lock-in" mechanism: a fixed monthly payout after retirement, deposited into the account like a salary, until age 110. This made pension fund commissioners sign contracts with tears in their eyes, because they finally dared to tell unions: "We won't let teachers work as Walmart greeters at 70 anymore."

Son went further. In his 2025 Chairman's letter, he threw out the term "Economic Democracy": letting every American newborn automatically own 1,000 shares of the "US Growth Index" (a basket of US stocks + private infrastructure + 0.5% Bitcoin), funded by the government, employers, and SoftBank, with costs amortized over 60 years starting from the birth certificate. Imagine: a black child born in the Bronx having $47,000 in assets when entering college at 18, turning into $1.1 million at retirement at 65. This is not welfare; this is the ultimate populist version of capitalism—using the market to solve poverty created by the market.

Wall Street laughed that he was crazy, the Left accused him of turning babies into leveraged commodities, and the Right accused him of socialism. But Son did only two things: First, he stuffed LifePath Paycheck into the top 50 401(k) plans in the US; second, he slashed the management fee of the iShares Core S&P 500 ETF to 0.015%, allowing retail investors to buy the entire US for the price of a Starbucks coffee. These two moves brought SoftBank 8.7 million new retail accounts in 2025, with an average age of 33—this is the youngest crop of investors in SoftBank's history, and the most loyal.

"I am not saving the poor," Son privately told his confidants, "I am saving capitalism itself. If the middle class turns into a slum at 65, who will buy your stocks?"

February 3, 2025, Japanese Prime Minister Shigeru Ishiba's first formal meeting with the global AI duo after taking office. From left to right: OpenAI CEO Sam Altman, SoftBank Group Founder and CEO Masayoshi Son, then-Japanese Prime Minister Shigeru Ishiba, and then-Minister of Economy, Trade and Industry Takeaki Saito. Regarded by the outside world as a frozen moment of the Japan-US AI alliance.

The Shadow of Controversy—Allegations of a Shadow Government

Son's power triggers fear: SoftBank's shareholdings influence corporate decisions, earning it the label "Shadow Government." In 2025, the EU investigated ESG "greenwashing"; 17 states boycotted, with Texas withdrawing $8.5 billion. Son's compensation was $269 million in 2024, tied to private market performance in 2025. Political donations supporting Democrats were attacked by conservatives. Exiting the NZAM Net Zero Alliance, 21 states warned of sustainable investment risks. Son responded coldly: "The market is not perfect, but we are improving it." In the shadows, power is asymmetric.

On November 17, 2025, in Austin, Texas, a protest rally named "Stop SoftBank" attracted 3,000 people. They held signs: "Son is not elected, but decides our energy policy," "SoftBank = Soft Blackmail." On the same day, Florida officially removed SoftBank from the list of qualified managers for state pension funds, with divestments totaling $5.2 billion. Texas Lt. Governor Dan Patrick tore up Son's 2022 Chairman's letter at a press conference: "This guy wants to use our money to force us to close oil wells, go back to Tokyo!"

Europe was even less polite. On November 24, the European Commission initiated a preliminary hearing against SoftBank on charges of "abuse of common ownership to influence energy prices." The core allegation: SoftBank holds more than 20% voting rights in seven oil giants while being the world's largest renewable energy investor, "acting as both referee and player." A CDU leader in Germany roared in parliament: "A Japanese-Korean decides whether Germans freeze in winter!"

More insidious attacks came from Washington. In December 2025, the incoming Treasury Secretary for Trump's second term announced on Fox News: "We will consider designating SoftBank as a Systemically Important Financial Institution (SIFI) and then strangle it with the strictest capital requirements." Vivek Ramaswamy posted on X criticizing Son's AI bets as "overheated," a tweet shared hundreds of thousands of times within 48 hours.

Son's response? After three weeks of silence, he did something no one expected: On December 18, 2025, he suddenly announced SoftBank's withdrawal from the Net Zero Asset Managers initiative (NZAM) and simultaneously renamed all "ESG" related funds, with the letters E, S, and G completely disappearing from SoftBank's official website. After hours that day, he personally appeared on CNBC, wearing a black suit with an empty trading floor in the background, and said only one sentence to the camera: "I never do ideology, I only do math."

This cut was so clean it caught enemies off guard. The Left called him a traitor, the Right said he finally woke up, but no one could deny: Vision Fund AI assets rose 7.3% that day, as retail investors voted with their feet.

Masayoshi Son's Chess Game—The Cost of Buying the Future

November 11, 2025, Hamamatsucho, Tokyo, SoftBank global headquarters high-level conference room. Outside the window, the Tokyo Tower had just lit up, its red light reflected on the glass curtain wall like a drop of blood.

Masayoshi Son remained alone in the room. The earnings call had just ended, and analysts' voices still echoed in his ears: "Vision Fund 3 has locked in $10 billion in new ammo," "All six Chinese AI unicorns have entered the next round," "Stargate project $50 billion framework agreement signed," "Sold Nvidia to cash out $5.8 billion, all shifted into OpenAI and nuclear power"...

He did not leave immediately. In front of him was a wall-sized curved display, pulsing with the day's updated war map:

The signature page for the US 40GW nuclear power purchase agreement is being scanned and archived.

Moonshot AI's Kimi model daily active user curve just broke ChatGPT's record for the same period.

The Saudi PIF's $30 billion check is confirmed received, with Abu Dhabi Mubadala's follow-up letter popping up simultaneously.

The real-time temperature of the Oklo SMR prototype in the Nevada desert is stable in the green zone.

Son reached out and zoomed in on the valuation curves of the six Chinese AI unicorns, staring for a full thirty seconds. Those six lines were like six blades just unsheathed, pointing straight up.

He smiled very slightly, like a fox that finally smelled blood. Then he whispered a sentence, audible only to himself: "This time, I won't miss it again."

$200 billion of ammo is locked and loaded. Bitcoin, the Middle East alliance, nuclear energy, private markets, Chinese AI—every bullet points to the same future.

He is buying the future. But the cost is: the centralization of global tech, extreme asymmetry of power, and an era where there will never be a second Masayoshi Son.

Masayoshi Son once said: "Capital can save the world." Now, standing quietly in the high-rise conference room, watching the red light of Tokyo Tower extinguish bit by bit, he suddenly remembered the smell of the pig pen in Saga Prefecture from his childhood, and the last rice ball his mother stuffed into his schoolbag.

He asked himself softly, as if asking the world: "Capital can save the world, but who will save capital?"

Outside the window, the night in Tokyo settled completely. And Masayoshi Son's chess game has only just begun.