How Much Did Boom Raise? Funding & Key Investors

Date August 18, 2025
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Boom

COMPANY INFO

Boom Technology, Inc., founded in 2014 by Blake Scholl and co-founders Joe Wilding and Josh Krall, is an American aerospace company headquartered in Colorado. The company develops supersonic aircraft, including the Overture airliner and the XB-1 demonstrator, aiming to revolutionize air travel by making it faster and more accessible, with approximately 150 to 291 employees and its website at boomsupersonic.com.

How Much Did Boom Technology, Inc. (Boom Supersonic) Raise? Funding & Rounds and Investors

Boom Technology, Inc. (Boom Supersonic) is a trailblazing American aerospace company founded in 2014 by Blake Scholl, Joe Wilding, and Josh Krall. Headquartered in Centennial, Colorado, Boom Supersonic is revolutionizing the aerospace industry with its mission to make supersonic passenger flight mainstream. The company's flagship projects include the Overture airliner and the XB-1 demonstrator, aiming to dramatically reduce flight times and increase accessibility to high-speed travel. Boom Supersonic employs approximately 150 to 291 people and operates globally, with offices in cities including Denver, Washington D.C., London, Tokyo, Paris, San Francisco, Singapore, and Sydney.

Boom Supersonic has an impressive funding history, having raised a total of $207.5 million in funding over 15 rounds. The company's funding strategy has focused on securing both venture capital and strategic partnerships to support product development, scaling operations, and commercial expansion. Milestones include early rounds led by well-known investors such as Y Combinator and 8VC, significant corporate investment from Japan Airlines, and continuous support from leading venture capital firms and government partners. Most recently, Boom closed a Series A-1 round raising $100 million, reflecting continued confidence from the investor community. Boom Supersonic funding has enabled crucial advancements in supersonic aircraft technology, research, and market readiness, positioning the company at the forefront of next-generation air travel.

Funding Rounds

Series A-1 - $100M - December 16, 2024

This most recent round was aimed at accelerating the development and commercial viability of the Overture supersonic airliner, expanding engineering teams, and advancing critical flight testing.

Series A - $298.48M - November 1, 2024

This substantial Series A round provided resources for scaling manufacturing, further engineering of the Overture aircraft, and robust product development initiatives.

Series B - $45M - April 15, 2021

Funds were utilized to drive growth and business expansion, specifically targeting technology development, operational scaling, and partnership initiatives.

Series B - $50M - December 15, 2020

This round supported market expansion and corresponded with a milestone valuation growth for Boom Supersonic, enabling deeper investment in R&D.

Series B - $100M - January 4, 2019

A pivotal round focused on scaling the company’s operations and intensifying technology development for future supersonic flights.

Series A - $41.9M - March 22, 2017

This major Series A round powered Boom’s effort to refine its products, expand into new markets, and fortify the company's technological foundation.

Series A - $10M - December 5, 2017

Strategic investment from Japan Airlines enabled partnership-driven growth and collaboration opportunities in global markets.

Seed - $2.1M - March 23, 2016

Seed funding allowed Boom to accelerate product development and recruit foundational engineering talent.

Seed - Undisclosed - 2015

Initial capital raised for the company’s launch and foundational research into supersonic travel.

(Older, smaller rounds and interim Series B infusions supported ongoing development during various R&D phases.)

Key Investors

Growthdeck

Growthdeck is one of the key investors in Boom Supersonic. Known for supporting high-growth ventures, Growthdeck’s involvement brings validation to Boom's vision from within the venture capital community, facilitating essential capital for aircraft innovation and expansion.

Y Combinator

As an early backer, Y Combinator provided not only funding but strategic guidance, networking opportunities, and credibility, helping Boom Supersonic navigate the initial hurdles of aerospace product development and investor relations.

8VC

A leading venture capital firm, 8VC has supported Boom Supersonic across several funding rounds, contributing both capital and deep expertise in scaling disruptive technology companies.

Japan Airlines

Japan Airlines made a strategic investment in Boom Supersonic, becoming both a financial backer and commercial partner, with the shared ambition to shape the future of global air travel.

Prime Movers Lab

Prime Movers Lab has participated in later funding rounds, supporting Boom’s mission with investments focused on growth, expansion, and technological breakthroughs in sustainable aviation.

Celesta Capital

Celesta Capital has played a crucial role in Series B funding, supporting the company in achieving new milestones in market expansion, product development, and valuation growth.

Emerson Collective

Emerson Collective is recognized for its emphasis on impact-oriented investments and has supported Boom Supersonic's objective to transform air travel with cleaner, faster transportation.

The U.S. Air Force

The U.S. Air Force has engaged in partnership and investment, supporting the company’s research and prototyping efforts for applications in defense and commercial aviation.

American Express Ventures

Serving as a lead investor in a strategic Series B round, American Express Ventures has provided capital and opened opportunities for commercial collaboration.

Other Investors

Other notable investors include Alexander Gerko, Bessemer Venture Partners, Michael Moritz, Paul Graham, Reid Hoffman, Sam Altman, RRE Ventures, Caffeinated Capital, Homebrew, Palm Drive Capital, Climate Capital, SV Angel, Ron Conway, Greg McAdoo, Sunstone Management, Michael E Marks, and Bolt.

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