United States · 
Who invested in Sierra Surgical?
Sierra Surgical's investors include Alta Partners and De Novo Ventures.
2008
$7.1MSeries A$15MSeries BUnited States · Series B startup
Who invested in Sierra Surgical
Funding summaryUpdated 26 Oct 2026
$22Mraised across 2 rounds since 2007, from 2 sources
$7.1MSeries A$15MSeries B
- Latest round
- Series B, $15MJul 2008
- Step-upi
- 2×
- 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 A, $7.1M Aug 2007
- Biggest round
- $15M Series B · Jul 2008
- Between rounds
- 11 months from the last two
The rounds
- Jul 2008
- Aug 2007
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
De Novo VenturesGrowth equity2rounds
Missing a round, or an investor who was in one? Tell us.
Quick answers about Sierra Surgical
How much has Sierra Surgical raised?
Sierra Surgical has raised $22M across 2 rounds since 2007.
When did Sierra Surgical last raise?
Sierra Surgical's most recent round was a Series B of $15M in Jul 2008.
What was Sierra Surgical's biggest round?
Its most recent round, $15M in Jul 2008, is also its largest on record.
Who backed Sierra Surgical first?
Sierra Surgical's first round on record, in Aug 2007, was backed by Alta Partners and De Novo Ventures.
What stage is Sierra Surgical at?
Sierra Surgical's latest named round is a Series B, in Jul 2008.
Where is Sierra Surgical based?
Sierra Surgical is based in the United States.
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