シャドーイング練習: Larry Ellison, Jack Dorsey, A Saudi Prince And Other Unexpected Winners From The SpaceX IPO - 動画で英語スピーキングを学ぶ

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Today on Forbes, Larry Ellison, Jack Dorsey, the Saudi Prince, and other unexpected winners from the SpaceX IPO.
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SpaceX priced its IPO at $135 per share Thursday, implying a $1.8 trillion market cap for the company.
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That boosted Musk's net worth by $188 billion to an estimated $982 billion, according to Forbes' calculations.
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After what was a successful IPO Friday, SpaceX shares landed at just over $161 at market close that day.
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That made Elon Musk the first trillionaire in world history, worth $1.1 trillion, according to Forbes' Real-Time Billionaires List,
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as of Friday at 4.30 p.m.
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Eastern Time.
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Musk, who serves as chairman, CEO, and chief technical officer of SpaceX,
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owns 4.8 billion shares of the Rocketmaker .
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He has another 350 million stock options with an exercise price of $8.40 per share ,
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giving him a 38% stake in the company .
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Forbes has been valuing Musk's estimated 40% stake before dilution from the public offering at around $500 billion,
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based on the $1.25 trillion valuation of SpaceX's merger with Musk's artificial intelligence and social media company XAI in February.
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XAI previously merged with X, formerly Twitter, in March 2025.
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Musk also owns just over 10% of the $1.5 trillion market cap Tesla,
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worth $165 billion, plus options to acquire another nearly 8% stake, worth $114 billion.
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Not included in Forbes' estimate of Musk's net worth is performance-based restricted shares
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that could boost his stakes in SpaceX and Tesla to 47% and 29%,
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respectively, before taxes and the cost of unlocking the restricted shares.
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To earn all that stock, Musk will have to achieve lofty goals like growing SpaceX and Tesla's market caps to $7.5 trillion and $8.5 trillion,
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respectively, and establishing a permanent human colony on Mars with at least 1 million inhabitants.
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Musk is by far the biggest winner, but he isn't the only person whose fortunes soared into orbit thanks to SpaceX.
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Others include a Saudi prince, Twitter's co-founder, and several SpaceX executives and board members.
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The newest member of the 3-comma club is SpaceX's longtime chief financial officer,
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Brett Johnson, who as of Friday morning is worth an estimated $1.2 billion,
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thanks to his .07% stake in the rocket maker, including options.
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The accountant joins PayPal co-founder, venture capitalist, and longtime SpaceX investor
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and board member Luke Nosek as one of two new billionaires revealed since the rocket maker filed its IPO prospectus.
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Nosek is now worth at least $3.4 billion, based on his SpaceX stake of at least 0.19%.
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Also listed in the prospectus is the rocket maker's longtime president and chief operating officer Gwynne Shotwell, who was revealed to own just 0.1% of the company,
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lower than Forbes' initial 0.27% estimate.
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Still, Shotwell, the firm's 11th employee, is doing just fine, with a net worth of $1.7 billion.
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A number of SpaceX's biggest winners were either Twitter or XAI investors,
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including Prince Al-Walid bin Talal al-Saoud of Saudi Arabia and President Trump's Middle East envoy Stephen Whitcoff,
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who both became SpaceX investors in February
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when Musk merged his rocket maker with his artificial intelligence
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and social media business XAI Holdings in a deal that valued the combined company at $1.25 trillion.
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The February transaction, which valued SpaceX at $1 trillion and XAI Holdings at $250 billion,
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less than a year after Musk created XAI Holdings in March
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2025 by combining his artificial intelligence startup XAI with his social media company X,
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formerly Twitter, in a $113 billion merger that some critics characterized as a bailout of the latter company.
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That's because that deal valued X at $33 billion,
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which was almost exactly what Musk and minority investors like Prince Al-Walid and Whitcoff paid for the company, excluding debt financing, in 2022.
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Investor Fidelity, meanwhile, had X valued at just under $10 billion at the end of 2024.
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Other big SpaceX IPO winners include high-profile venture capital, hedge fund, and private equity billionaires whose investment firms bet on SpaceX long ago.
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That includes Musk's close friend and SpaceX director,
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Antonio Gracias, whose Valor Equity Partners owns a 3.7% stake worth $68 billion as of Friday morning.
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Another winner is Oracle's co-founder, chairman, and chief technology officer Larry Ellison, who invested $1 billion in Musk's Twitter takeover in October 2022,
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after concluding his nearly four-year term as a director of Musk's electric vehicle maker Tesla two months earlier.
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Forbes estimates that Ellison still owns Tesla shares worth more than $14 billion.
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He owns an estimated 0.15% stake of SpaceX, worth an estimated $2.7 billion as of Friday morning.
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Jack Dorsey is another winner.
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He co-founded Twitter in 2006 and was the company's CEO until 2008, when he left to co-found payments company Block,
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formerly known as Square, a year later.
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He returned as Twitter's CEO in 2015 and served in that role for another six years before resigning for good in 2021.
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Dorsey stepped down from Twitter's board in May 2022
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but rolled forward his nearly $1 billion stake in the company when Musk took it private five months later.
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His estimated SpaceX stake is 0.14%, worth an estimated $2.6 billion.
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For full coverage and to see our whole list of some of the biggest winners from SpaceX's Friday IPO, check out Matt Duro's piece on Forbes.com.
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This is Kieran Meadows from Forbes, thanks for tuning in.
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you

このレッスンについて

このレッスンでは、YouTubeビデオからのトランスクリプトを使用して、英語のリスニングとスピーキングのスキルを向上させます。特に、著名な投資家と企業家に関する内容を通じて、財務に関連する語彙とフレーズに焦点を当てます。このレッスンを通じて、聞き取る力を高めるだけでなく、英語の発音を良くするための効果的な練習法を学びます。実際の会話の速さとトーンに慣れることで、実践的なコミュニケーション能力を養いましょう。

重要な語彙とフレーズ

  • IPO - 新規株式公開
  • market cap - 時価総額
  • stake - 持分、株式
  • options - オプション（株式の購入権）
  • net worth - 純資産
  • valuation - 評価額
  • investor - 投資家
  • entrepreneur - 起業家

練習のコツ

このビデオのスピードやトーンに合わせて shadow speech を実践するためのポイントをご紹介します。まず、ビデオの再生速度を調整できる機能を利用して、少し遅めに設定してみましょう。そうすることで、話し手の発音を聴き取りやすくなります。また、英語シャドーイングに挑戦する際は、声に出して同時に繰り返すことが効果的です。 この方法で、語彙やフレーズを体に染み込ませながら、 英語の発音を良くする ことができます。特に、語尾の発音やイントネーションに注意を払いましょう。最後に、トランスクリプトを見ながら実際に声に出すことで、より深い理解が得られます。定期的にこの練習を行うことで、自然な会話のリズムに慣れることができ、最終的には流暢な英語スピーカーになる近道です。

シャドーイングとは？英語上達に効果的な理由

シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。