Proofpoint

Network Management Software · Sunnyvale, CA · Founded 2002 · Privately Held (backing)

Developer of cybersecurity and compliance software intended for mid and large-sized organizations. Proofpoint is based in Sunnyvale, CA and was founded in 2002. It is valued at about $12.3 billion as of Oct 2026, set by institutional fund marks. It has raised $8.9 billion across 1 recorded round; the latest was a $12.3 billion buyout in Aug 2021.

PMV mark · valuation
$12.3B
Oct 2026
Priced at
—
Total raised
$8.9B
Last round
Buyout/LBO
Aug 2021

Who backs Proofpoint?

4 investors
InvestorType
Thoma BravoPE / buyout
Glynn CapitalVenture capital
Inflection Ventures (New York)Venture capital
Alberta Investment ManagementOther
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Proofpoint investors

4 investors are on record for Proofpoint, including Thoma Bravo, Glynn Capital, Inflection Ventures (New York) and Alberta Investment Management.

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