Funding round

Boom Series A
Boom, which works in supersonic aircraft manufacturing in Englewood, raised $33M in a Series A round announced on 22 Mar 2017. 9 firms took part, with 3 individual investors. It is Boom's third venture round on record; the one before was a Seed in Mar 2016.
$33M
Amount raised
Not disclosed
Post-money valuation
9
Investors
no lead named
Valuation
What this round says about the price
Boom did not disclose a valuation in this round. It came 12 months after Boom's Seed. It is 9.7% of the $342M Boom has raised in the venture rounds on record. Boom raised again 105 months later: a Series B round of $300M in Dec 2025, at $1.50B post-money.
Boom's funding rounds
Boom has 4 venture rounds on record and 2 other deals. This one is highlighted.
Investors
Who put money in
9 firms took part; no lead investor was named.
Investors
- 8VC new investor
- Caffeinated backs 79 venture-backed companies new investor
- backs 38 venture-backed companies new investor
- RRE Ventures new investor
- Y Combinator’s Continuity Fund new investor
- Hone Capital new investor
- backs 4 venture-backed companies new investor
- backs 50 venture-backed companies new investor
- backs 16 venture-backed companies new investor
Individual investors: Avichal Garg, Josh Buckley and Wei Guo. Joined the board: Sam Altman (Y Combinator) and Greg McAdoo.
Use of proceeds
What the money is for
According to the announcement, the money goes to product development.
- Product development
Comparable rounds
How it compares
The closest in time: Series A rounds in any sector within 6 months:
| Company | Announced | Amount | Post-money | Led by |
|---|---|---|---|---|
| Upgrade Loans & Financing | 1 Mar 2017 | $60M | not disclosed | not named |
| eGenesis Biotechnology | 16 Mar 2017 | $38M | not disclosed | Biomatics Capital and ARCH Venture Partners |
| Nutritionists & Weight Loss Specialists | 1 Mar 2017 | $37M | not disclosed | Venrock |
| Solaris Banks & ATMs | 15 Mar 2017 | $28M | not disclosed | not named |
| Chemicals | 17 Mar 2017 | $24M | not disclosed | consortium of private investors |
| Software Development Services | 2 Mar 2017 | $17M | not disclosed | Information Venture Partners and OpenText Enterprise Apps Fund |
| Aerospace and Defence | 2 Mar 2017 | $16M | not disclosed | not named |
| Radiology Clinic | 13 Mar 2017 | $14M | not disclosed | Threshold |
Sources
Where this comes from
Reported by 3 sources.
Questions
Frequently asked
How much did Boom raise in its Series A round?
Boom raised $33M in its Series A round, announced in Mar 2017.
Which investors took part in Boom's Series A round?
8VC, Caffeinated, Palm Drive Capital, RRE Ventures, Y Combinator’s Continuity Fund and Hone Capital and 3 more.
What was Boom's valuation at the Series A round?
It was not disclosed.
Did Boom raise again after this round?
Yes: a Series B round in Dec 2025 of $300M at $1.50B post-money.