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The Boring Co. Secures $3 Billion Series D Funding

Elon Musk's tunnel-drilling enterprise, focused on reducing surface traffic, has completed a significant funding round led by the United Arab Emirates.

Founders Magazine Intelligence Desk11 Sept 2026 · 12:00 UTC3 min readSingle source · 1 src

What happened

The Boring Co., Elon Musk's venture, has successfully raised $3 billion in a Series D funding round. The investment was spearheaded by the United Arab Emirates, with additional contributions from several prominent investors.

The company, which specialises in developing underground tunnel networks, is based in Bastrop, Texas.

The numbers

The Series D round brought in $3 billion, elevating The Boring Co.'s valuation to $23 billion. This latest capital injection increases the company's total funding to approximately $3.9 billion, according to Crunchbase data.

Who's behind it

The Boring Co. was founded by Elon Musk. The Series D funding round saw the United Arab Emirates as the lead investor, with participation from Andreessen Horowitz, Sequoia Capital, and Valor Equity Partners.

Why it matters

The company's core mission involves constructing underground tunnel systems designed to transport passengers and vehicles, thereby mitigating surface traffic congestion. Its operational Vegas Loop system beneath Las Vegas exemplifies this approach.

The substantial funding round underscores continued investor confidence in large-scale infrastructure and transportation projects.

What to watch

The Boring Co. continues to advance its underground tunnel network initiatives, building on the success of its Vegas Loop system. The significant capital raised is expected to support further development in the transportation and infrastructure sector.

AI-assisted reporting. This story was drafted with AI assistance from the sources listed above and reviewed against our editorial rules before publication. Facts carry source provenance. Figures, investors, founders and quotations are never generated — if a detail is not in a source, it is not published.

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