Elon Musk’s tunneling firm secured a $3 billion Series D, boosting its valuation to $23 billion and expanding its Middle East tunnel plans.

Elon Musk’s The Boring Company announced a $3 billion Series D financing round, led by a sovereign wealth fund from the United Arab Emirates, pushing the firm’s valuation to roughly $23 billion.

Funding round details

The capital injection was anchored by the UAE’s Abu Dhabi Investment Authority, with participation from existing investors including Founders Fund and Valor Equity Partners. The round marks the largest single fundraising event for the tunneling startup since its inception in 2016.

According to the filing, the new funds will be allocated toward expanding The Boring Company’s tunnel infrastructure projects across the Middle East, as well as accelerating development of its next‑generation tunneling machines.

Middle East expansion plans

Musk’s team has already secured preliminary agreements to build high‑speed underground transit corridors in Dubai and Abu Dhabi. The fresh capital will enable the company to commence detailed engineering studies, procure equipment, and begin construction on a 30‑kilometer test tunnel slated for 2027.

The UAE partnership also includes a joint research initiative aimed at adapting The Boring Company’s tunneling technology to the region’s extreme heat and sandy soil conditions.

Impact on valuation and market positioning

Post‑money valuation estimates place The Boring Company at $23 billion, a significant jump from its $10 billion valuation after the 2024 Series C round. Analysts note that the infusion underscores growing confidence in underground transport as a solution to urban congestion.

  • Strengthens foothold in a high‑growth market
  • Provides runway for next‑gen tunnel boring machines
  • Signals broader investor appetite for infrastructure tech

The funding round also positions The Boring Company to compete more directly with traditional civil‑engineering giants and emerging hyperloop ventures, potentially reshaping the global infrastructure landscape.

“This investment reflects the UAE’s commitment to pioneering sustainable transport solutions and our shared vision for a subterranean future,” a company spokesperson said.

The announcement comes as governments worldwide intensify efforts to reduce surface traffic and carbon emissions, making underground transit an increasingly attractive policy priority.

TechCrunch coverage of The Boring Company’s $3 billion raise