United States · Who invested in Outbox?
Outbox's investors include Founders Fund, Correlation Ventures, Floodgate, Western Technology Investment and Rothenberg Ventures, and 5 more on record.
20122013
$1.5MVenture$5.0MSeries AUnited States · Series A startup
Who invested in Outbox
Funding summaryUpdated 26 Oct 2026
$6.5Mraised across 2 rounds since 2011, from 2 sources
$1.5MVenture$5.0MSeries A
- Latest round
- Series A, $5.0MJul 2013
- Step-upi
- 3.3×
- Investors
- 10
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $1.5M Dec 2011
- Biggest round
- $5.0M Series A · Jul 2013
- Between rounds
- 19 months from the last two
The rounds
- Jul 2013Series A$5.0M10 new
Founders Fund
Correlation Ventures
Floodgate
Western Technology Investment
Rothenberg Ventures
Peterson Ventures
Expansion Venture Capital
TDF Ventures
Base Ventures
E-Merge
Reported by techcrunch.comSEC filing: $4.9M sold, first sale Jun 2013
- Dec 2011Venture$1.5M
No investor was named in the report.
Reported by sec.govSEC filing: $1.5M sold, first sale Nov 2011
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 Outbox
How much has Outbox raised?
Outbox has raised $6.5M across 2 rounds since 2011.
When did Outbox last raise?
Outbox's most recent round was a Series A of $5.0M in Jul 2013.
What was Outbox's biggest round?
Its most recent round, $5.0M in Jul 2013, is also its largest on record.
Who backed Outbox first?
Outbox's first round on record, in Jul 2013, was backed by Founders Fund, Correlation Ventures and Floodgate and 7 others.
What stage is Outbox at?
Outbox's latest named round is a Series A, in Jul 2013.
Where is Outbox based?
Outbox is based in the United States.
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