June 13, 2026 · 7 min read
SpaceX IPO: The Largest Debut in History & IRS Tax Requirements for Foreign Investors
On June 12, 2026, SpaceX listed on Nasdaq under $SPCX at a $1.77 trillion valuation — the largest IPO in history. Here's what foreign investors need to know about Form W-8BEN to avoid paying 30% withholding tax.
Quick facts
Who: Non-U.S. residents investing in SpaceX ($SPCX) shares on Nasdaq
What: SpaceX IPO at $1.77T valuation — the largest in history — and IRS Form W-8BEN requirements for foreign investors
When: SpaceX listed on Nasdaq on June 12, 2026; W-8BEN must be filed before receiving dividends
Where: Nasdaq (ticker: $SPCX); W-8BEN is submitted to your broker, not the IRS
Why: Without W-8BEN, foreign investors pay 30% withholding tax on dividends instead of 15% under treaty
How: Complete Form W-8BEN (10 minutes on BrieflyGo), submit to broker — valid for 3 years
In this article ▾
Key Metrics of the Largest IPO in History
On June 12, 2026, SpaceX officially listed on Nasdaq under the ticker $SPCX, setting an absolute record in the history of global IPOs. The company's valuation reached $1.77 trillion, with total capital raised of $75 billion â more than 2.5 times the previous record held by Saudi Aramco ($29 billion in 2019).
Why This Is Historic
SpaceX is no longer just a rocket company. At the time of its IPO, it encompassed three businesses, each a leader in its segment:
- 10M+ subscribers across 160 countries
- $11.4B revenue in 2025
- +48% subscriber growth year-over-year
- $4.4B operating profit
- 165 Falcon 9 launches in 2025
- $4.1B launch revenue
- NASA & Pentagon contracts
- Starship â most powerful rocket ever built
xAI Acquisition
In February 2026, SpaceX acquired Elon Musk's AI company xAI in an all-stock deal. This acquisition integrates AI capabilities directly into SpaceX's operations and opens a new growth vertical â space-based data centers and orbital AI processing, which Musk has described as the company's most underrated asset.
IPO Timeline
- April 1, 2026Confidential S-1 FilingSpaceX submits a confidential registration statement to the SEC under the JOBS Act
- May 20, 2026Public S-1 FilingProspectus published â first-ever public disclosure of SpaceX financials
- June 3, 2026Price FixingOffer price set at $135/share after a 5:1 stock split; 555.6M shares registered
- June 8â11, 2026Global RoadshowMeetings with institutional investors in New York, London, and Hong Kong
- June 12, 2026Nasdaq ListingTicker $SPCX begins trading â the largest IPO in stock market history
IRS Tax Requirements for Foreign Investors
If you are a non-U.S. resident who has purchased (or plans to purchase) SpaceX shares, you must comply with U.S. tax regulations. The key document is Form W-8BEN.
What Is Form W-8BEN?
Form W-8BEN (Certificate of Foreign Status of Beneficial Owner) is an official IRS document that certifies you are not a U.S. tax resident and allows you to claim a reduced withholding tax rate under the tax treaty between your country of residence and the United States.
- Tax rate: 15% (under treaty)
- Possible 0% on portfolio interest
- Valid for 3 years
- Filed with broker (not with IRS)
- Tax rate: 30% (default withholding)
- Automatic deduction from dividends
- Must reclaim via Form 1040-X
- Months of bureaucratic delays
Withholding Rates by Country
| Country | Default Rate | Treaty Rate | Form |
|---|---|---|---|
| ðºð¸ United States (resident) | 0â20% | â | W-9 |
| ðºð¦ Ukraine | 30% | 15% | W-8BEN |
| ð¬ð§ United Kingdom | 30% | 0â15% | W-8BEN |
| ð©ðª Germany | 30% | 15% | W-8BEN |
| ð¨ð Switzerland | 30% | 0â15% | W-8BEN |
| ð¦ðº Australia | 30% | 15% | W-8BEN |
| ð Foreign Entity (company) | 30% | Depends on treaty | W-8BEN-E |
Real-World Impact
If you invested $100,000 in SpaceX shares and the annual dividend yield is 1.5%:
How to Complete Form W-8BEN
The W-8BEN is completed once and submitted to your broker. Here is a step-by-step guide:
- Download the form â BrieflyGo offers an interactive version with AI-powered guidance for each field
- Complete Part I â Full name, country of citizenship, permanent address, and tax identification number (if applicable)
- Complete Part II â If claiming treaty benefits, specify your country and the applicable treaty rate
- Sign and date â Electronic or handwritten signature
- Submit to your broker â Via your online account portal or support team
Fill out W-8BEN on BrieflyGo â interactive form with AI guidance, takes under 10 minutes.
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