United States · Venture startup
Funding summaryUpdated 26 Oct 2026
$79Mraised across 5 rounds since 2003, from 5 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Benchmark
RRE Ventures
Mohr Davidow Ventures
Meritech Capital Partners
Icon Ventures
Bridgescale Partners
Inventures GroupReported by proofpoint.com
BenchmarkRRE VenturesMohr Davidow VenturesMeritech Capital PartnersInventures GroupFrom a historical funding record
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
RRE VenturesBenchmarkMohr Davidow VenturesMeritech Capital PartnersIcon VenturesJafco VenturesInventures GroupBridgescale Partners
DAG VenturesStanford UniversityMissing a round, or an investor who was in one? Tell us.
These 3 firms list Proofpoint 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.
Proofpoint's investors include RRE Ventures, Benchmark, Mohr Davidow Ventures, Meritech Capital Partners and Icon Ventures, and 7 more on record.
Proofpoint has raised $79M across 5 rounds since 2003.
Proofpoint's most recent round was a Venture of $28M in Feb 2008.
Its most recent round, $28M in Feb 2008, is also its largest on record.
Proofpoint's first round on record, in Oct 2003, was backed by RRE Ventures, Stanford University and InVentures.
Proofpoint's latest named round is a Venture, in Feb 2008.
Proofpoint is based in the United States.
In the same sector, and raised in the last eighteen months.
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