United States · 
Who invested in Precision I/O?
Precision I/O's investors include Foundation Capital, 3i Group, Advanced Technology Ventures and Packet Design.
2004
?Seed$10MSeries AUnited States · Series A startup
Who invested in Precision I/O
2 rounds we have observed, with the 4 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.
Funding summaryUpdated 26 Oct 2026
$10Mraised across 2 rounds since 2003, from 2 sources
- Latest round
- Series A, $10MMar 2004
- Investors
- 4
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Seed Mar 2003
- Biggest round
- $10M Series A · Mar 2004
- Between rounds
- 13 months from the last two
The rounds
- Mar 2004Series A$10M3 new
From a historical funding record
- Mar 2003
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 Precision I/O
How much has Precision I/O raised?
Precision I/O has raised $10M across 2 rounds since 2003. One round did not disclose an amount, so the total is a floor.
When did Precision I/O last raise?
Precision I/O's most recent round was a Series A of $10M in Mar 2004.
What was Precision I/O's biggest round?
Its most recent round, $10M in Mar 2004, is also its largest on record.
Who backed Precision I/O first?
Precision I/O's first round on record, in Mar 2003, was backed by Packet Design.
What stage is Precision I/O at?
Precision I/O's latest named round is a Series A, in Mar 2004.
Where is Precision I/O based?
Precision I/O is based in the United States.
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