United States · 
Who invested in W5 Networks?
W5 Networks's investors include U.S. Venture Partners, Sunbridge Partners and Thomas Weisel Venture Partners.
2006
$10MVenture?Series BUnited States · Series B startup
Who invested in W5 Networks
2 rounds we have observed, with the 3 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
$10Mraised across 2 rounds since 2005, from 2 sources
- Latest round
- Series BNov 2006
- Biggest round
- $10MVenture · Oct 2005
- Investors
- 3
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture, $10M Oct 2005
- Biggest round
- $10M Venture · Oct 2005
- Between rounds
- 13 months from the last two
The rounds
- Nov 2006
- Oct 2005Venture$10M2 new
Reported by internetacceleration.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.
Everyone who backed them
Thomas Weisel Venture PartnersGrowth equity1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about W5 Networks
How much has W5 Networks raised?
W5 Networks has raised $10M across 2 rounds since 2005. One round did not disclose an amount, so the total is a floor.
When did W5 Networks last raise?
W5 Networks's most recent round was a Series B in Nov 2006.
What was W5 Networks's biggest round?
W5 Networks's largest round on record is $10M (Venture), in Oct 2005.
Who backed W5 Networks first?
W5 Networks's first round on record, in Oct 2005, was backed by U.S. Venture Partners and Thomas Weisel Venture Partners.
What stage is W5 Networks at?
W5 Networks's latest named round is a Series B, in Nov 2006.
Where is W5 Networks based?
W5 Networks is based in the United States.
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