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Masayoshi Son

GIANT CHECKS. SUPERINTELLIGENCE.

Generated editorial portrait of Masayoshi Son in the unified mugshot-v2 dossier style.

FILE UPDATED Oct 8, 2026

WHY THEY MATTER

SoftBank's founder made the biggest bets in tech history — Arm, the Vision Fund, and now Stargate's half-trillion-dollar AI infrastructure buildout plus a $40 billion wager on OpenAI.

THE RAP SHEET

ZIMBO'S READ ON Masayoshi Son

Satirical cartoon: a tiny grinning Masayoshi Son stands on a tall ladder signing a gigantic check labeled SUPERINTELLIGENCE, the check's edges vanishing beyond the frame.

THE GIANT CHECK.

DEEP FILE

THE WHOLE FILE

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THE $500 BILLION GAMBLER

SoftBank's founder made the biggest bets in tech history — Arm, the Vision Fund, and now Stargate's half-trillion-dollar AI infrastructure buildout plus a $40 billion wager on OpenAI.

  1. 1981

    AT 24, SON FOUNDED SOFTBANK AS A SOFTWARE DISTRIBUTOR

    At 24, Masayoshi Son founded SoftBank as a PC software distributor in 1981. The tiny startup grew into a global telecom and tech-investment empire.

    SOURCES: Tech Startupsreported

  2. Jul 2016

    SON DROPS $32 BILLION CASH ON CHIP DESIGNER ARM

    SoftBank announced a £24.3B ($32B) all-cash takeover of UK chip designer Arm in July 2016 — the biggest-ever European tech acquisition — betting chips would rule the Internet of Things.

    SOURCES: VentureBeatreported

  3. May 2017

    $100 BILLION VISION FUND: THE BIGGEST TECH BET IN HISTORY

    SoftBank raised ~$93B in initial pledges for the world's largest tech investment fund, targeting $100B — anchored by Saudi Arabia's $45B PIF, plus Apple, Qualcomm and Foxconn.

    SOURCES: Phys.org (AFP)reported

  4. Sep 2023

    ARM IPO ROCKETS TO $54.5 BILLION — BIGGEST LISTING IN TWO YEARS

    Arm priced its Nasdaq IPO at $51/share, raising $4.87B for SoftBank and valuing the chip designer at $54.5B. SoftBank kept ~90% of the company after the scrapped 2020 Nvidia sale.

    SOURCES: Associated Press (Siliconeer)reported

  5. Jun 2024

    SON DECLARES SOFTBANK'S MISSION: BUILD SUPERINTELLIGENCE

    At SoftBank's annual meeting, Son said the company's purpose is to create artificial super intelligence — AI 10,000x smarter than a human brain by 2035.

    SOURCES: Cointelegraphreported

  6. Jan 21, 2025

    SON, ALTMAN, ELLISON UNVEIL $500 BILLION 'STARGATE' AI MEGAPROJECT

    At the White House, Trump announced Stargate: up to $500B of private AI infrastructure investment over four years. SoftBank leads financing; Son was named chairman.

    SOURCES: ToreSays (Substack)reported

  7. Mar 19, 2025

    SOFTBANK SWALLOWS AMPERE FOR $6.5 BILLION CASH

    SoftBank agreed to buy US chip designer Ampere Computing for $6.5B cash. Son said 'the future of Artificial Super Intelligence requires breakthrough computing power.'

    SOURCES: Ampere Computing (press release)reported

  8. Dec 2025

    $40 BILLION SEALED: SON GOES ALL-IN ON OPENAI

    SoftBank wired the final ~$22B tranche in December, completing its $40B OpenAI investment at a $300B valuation — one of the largest private funding rounds ever.

    SOURCES: Reuters (via Goldsea)reported

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