United States · 
Who invested in ALTR?
ALTR's investors include Demeter, Z Venture Capital and John Stafford III.
20182020202220242026
$15MRound$5.0MSeed?Venture
United States · Venture startup
Who invested in ALTR
Funding summaryUpdated 26 Oct 2026
$20Mraised across 3 rounds since 2018, from 3 sources
$15MRound$5.0MSeed
- Latest round
- VentureMar 2026
- Biggest round
- $15MRound · Jun 2018
- Investors
- 3
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, $15M Jun 2018
- Biggest round
- $15M Round · Jun 2018
- Usual gap between rounds
- 7.1 years the median of 2
The rounds
- Mar 2026
- Jul 2025
- Jun 2018
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
John Stafford IIIno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about ALTR
How much has ALTR raised?
ALTR has raised $20M across 3 rounds since 2018. One round did not disclose an amount, so the total is a floor.
When did ALTR last raise?
ALTR's most recent round was a Venture in Mar 2026.
What was ALTR's biggest round?
ALTR's largest round on record is $15M (Undisclosed round), in Jun 2018.
Who backed ALTR first?
ALTR's first round on record, in Jun 2018, was backed by John Stafford III.
What stage is ALTR at?
ALTR's latest named round is a Venture, in Mar 2026.
Where is ALTR based?
ALTR is based in the United States.
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