United States · 
Who invested in Fathom?
Fathom's investors include Y Combinator, Lightspeed Venture Partners, Founders Fund, Google Ventures and Liquid 2 Ventures, and 3 more on record.
20232024
$46MSeries B$17MSeries A
United States · Series A startup
Who invested in Fathom
Funding summaryUpdated 26 Oct 2026
$63Mraised across 2 rounds since 2022, from 2 sources
$46MSeries B$17MSeries A
- Latest round
- Series A, $17MSept 2024
- Biggest round
- $46MSeries B · Nov 2022
- Investors
- 8
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series B, $46M Nov 2022
- Biggest round
- $46M Series B · Nov 2022
- Between rounds
- 22 months from the last two
The rounds
- Sept 2024
- Nov 2022Series B$46M4 new
Source recordedSEC filing: $46M sold, first sale Nov 2022
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.
Quick answers about Fathom
How much has Fathom raised?
Fathom has raised $63M across 2 rounds since 2022.
When did Fathom last raise?
Fathom's most recent round was a Series A of $17M in Sept 2024.
What was Fathom's biggest round?
Fathom's largest round on record is $46M (Series B), in Nov 2022.
Who backed Fathom first?
Fathom's first round on record, in Nov 2022, was backed by Lightspeed Venture Partners, Founders Fund and Google Ventures and 1 others.
What stage is Fathom at?
Fathom's latest named round is a Series A, in Sept 2024.
Where is Fathom based?
Fathom is based in the United States.
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