United States · 
Who invested in Hammerspace?
Hammerspace's investors include Altimeter, Alumni Ventures and • Ark Invest.
2026
$100MRound?Venture
United States · Venture startup
Who invested in Hammerspace
2 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Raised 9 months ago
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Funding summaryUpdated 5 Nov 2026
$100Mraised across 2 rounds since 2025, from 2 sources
- Latest round
- VentureFeb 2026
- Biggest round
- $100MRound · Apr 2025
- Investors
- 3 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Round, $100M Apr 2025
- Biggest round
- $100M Round · Apr 2025
- Between rounds
- 10 months from the last two
The rounds
- Feb 2026
- Apr 2025
Founders and team
From Hammerspace's own website: 3 on the team.
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 5 firms list Hammerspace as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Quick answers about Hammerspace
How much has Hammerspace raised?
Hammerspace has raised $100M across 2 rounds since 2025. One round did not disclose an amount, so the total is a floor.
When did Hammerspace last raise?
Hammerspace's most recent round was a Venture in Feb 2026.
What was Hammerspace's biggest round?
Hammerspace's largest round on record is $100M (Undisclosed round), in Apr 2025, led by Altimeter.
Who backed Hammerspace first?
Hammerspace's first round on record, in Apr 2025, was backed by Altimeter and • Ark Invest.
What stage is Hammerspace at?
Hammerspace's latest named round is a Venture, in Feb 2026.
Where is Hammerspace based?
Hammerspace is based in the United States.
Who led Hammerspace's rounds?
Altimeter led the Undisclosed round in 2025.
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