United States · Who invested in Optasite?
Optasite's investors include Highland Capital Partners, Columbia Capital, Centennial Ventures, MassVentures and Village Ventures, and 5 more on record.
20052006
$10MSeries A$25MSeries B$60MSeries CUnited States · Series C startup
Who invested in Optasite
3 rounds we have observed, with the 10 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.
Funding summaryUpdated 26 Oct 2026
$95Mraised across 3 rounds since 2004, from 3 sources
$10MSeries A$25MSeries B$60MSeries C
- Latest round
- Series C, $60MMar 2006
- Step-upi
- 2.4×
- Investors
- 10
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, $10M Apr 2004
- Biggest round
- $60M Series C · Mar 2006
- Usual gap between rounds
- 15 months the median of 2
The rounds
- Mar 2006
- Dec 2004Series B$25M3 returning
From a historical funding record
- Apr 2004Series A$10M9 new
Highland Capital Partners
MassVentures
Columbia Capital
Village Ventures- Centennial Ventures
- Long River Ventures
TSG Equity Partners- Worchester Capital Partners
- Berkshire Capital
From a historical funding record
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.
Series A2004Series B2004Series C2006Highland Capital PartnersColumbia CapitalCentennial VenturesMassVenturesVillage VenturesLong River Ventures
KeybankTSG Equity PartnersWorchester Capital PartnersBerkshire Capital
Highland Capital PartnersColumbia CapitalCentennial VenturesMassVenturesVillage VenturesLong River VenturesKeybankTSG Equity PartnersWorchester Capital PartnersBerkshire CapitalEveryone who backed them
Centennial VenturesGrowth equity2rounds
Long River VenturesVC firm1round
Worchester Capital PartnersInvestment firm1round
Berkshire Capitalno record of our own yet1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Optasite
How much has Optasite raised?
Optasite has raised $95M across 3 rounds since 2004.
When did Optasite last raise?
Optasite's most recent round was a Series C of $60M in Mar 2006.
What was Optasite's biggest round?
Its most recent round, $60M in Mar 2006, is also its largest on record.
Who backed Optasite first?
Optasite's first round on record, in Apr 2004, was backed by Highland Capital Partners, MassVentures and Columbia Capital and 6 others.
What stage is Optasite at?
Optasite's latest named round is a Series C, in Mar 2006.
Where is Optasite based?
Optasite is based in the United States.
Companies like Optasite
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.