United States · 
Who invested in Acme Packet?
Acme Packet's investors include Menlo Ventures and Canaan.
2003200520072009
$16MSeries B$22MVentureUnited States · Venture startup
Who invested in Acme Packet
2 rounds we have observed, with the 2 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.
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Funding summaryUpdated 31 Oct 2026
$38Mraised across 2 rounds since 2001, from 2 sources
$16MSeries B$22MVenture
- Latest round
- Venture, $22MMay 2009
- Step-upi
- 1.4×
- Investors
- 2
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, $16M Oct 2001
- Biggest round
- $22M Venture · May 2009
- Between rounds
- 7.6 years from the last two
The rounds
- May 2009Venture$22M
No investor was named in the report.
From a historical funding recordSEC filing: $22M sold, first sale Apr 2009
- Oct 2001
Founders and team
From the SEC filings it signed: 3 on the team.
- Andrew D. OryPresident and Chief Executive Officeri
- Patrick J. MeLampyChief Technology Officeri
- Peter J. MinihaneChief Financial Officer and Treasureri
On the board, as filediDavid B. ElsbreeGary J. BowenMichael ThurkRobert C. HowerRobert G. Ory
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.
The exit
ExitBuyerPriceWhen
From historical deal records. Wrong? Tell us.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Acme Packet
How much has Acme Packet raised?
Acme Packet has raised $38M across 2 rounds since 2001.
When did Acme Packet last raise?
Acme Packet's most recent round was a Venture of $22M in May 2009.
What was Acme Packet's biggest round?
Its most recent round, $22M in May 2009, is also its largest on record.
Who backed Acme Packet first?
Acme Packet's first round on record, in Oct 2001, was backed by Menlo Ventures and Canaan.
What stage is Acme Packet at?
Acme Packet's latest named round is a Venture, in May 2009.
Where is Acme Packet based?
Acme Packet is based in the United States.
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