United States · 
Who invested in Sentillion?
Sentillion's investors include Polaris Partners, Intersouth Partners, Newbury Ventures, First Ventures and St. Paul Venture Capital, and 3 more on record.
199920002001
$2.7MSeries A$8.8MSeries B$18MSeries CUnited States · Series C startup
Who invested in Sentillion
Funding summaryUpdated 26 Oct 2026
$29Mraised across 3 rounds since 1999, from 3 sources
$2.7MSeries A$8.8MSeries B$18MSeries C
- Latest round
- Series C, $18MSept 2001
- Step-upi
- 2.1×
- Investors
- 8
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, $2.7M Mar 1999
- Biggest round
- $18M Series C · Sept 2001
- Usual gap between rounds
- 17 months the median of 2
The rounds
- Sept 2001
- Apr 2000Series B$8.8M1 new4 returning
Reported by allbusiness.com
- Mar 1999Series A$2.7M4 new
Reported by google.com
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
Merrill Lynch VenturesVC firm1round
Dresdner Kleinwort CapitalVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Sentillion
How much has Sentillion raised?
Sentillion has raised $29M across 3 rounds since 1999.
When did Sentillion last raise?
Sentillion's most recent round was a Series C of $18M in Sept 2001.
What was Sentillion's biggest round?
Its most recent round, $18M in Sept 2001, is also its largest on record.
Who backed Sentillion first?
Sentillion's first round on record, in Mar 1999, was backed by Polaris Partners, Intersouth Partners and Newbury Ventures and 1 others.
What stage is Sentillion at?
Sentillion's latest named round is a Series C, in Sept 2001.
Where is Sentillion based?
Sentillion is based in the United States.
Companies like Sentillion
In the same sector, and raised in the last eighteen months.
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