What does Essex Investment Management invest in?
Essex Investment Management invests most often at Series B (100% of the rounds on record), in sectors such as Consumer Electronics and Robotics.

United States · Investor
Last cheque observed Mar 2001. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.
QuietVC firm
3 rounds on record
Mostly Series B: 100% of its rounds
1 exits from the portfolio
Every round we can evidence, newest first3 appearances
1 round
2 rounds
An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.
Named by the firm itself, on a filing, its Form ADV or its company registration6 named
We also hold 15 people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.
From the firm's own filings with the SEC, which it must file accurately by law
Funds on its Form ADV
2 private funds, $21M in gross assets · filed Apr 2024
Companies it backed that were later bought or listed1 in all
An exit counts when it came after the firm's first round in the company. From historical deal records.
The investors most often in the same rounds as Essex Investment Management. A count of rooms they were both in, not a relationship either has claimed.
Essex Investment Management invests most often at Series B (100% of the rounds on record), in sectors such as Consumer Electronics and Robotics.
3 investments on record, 0 of them in the last 12 months. The most recent was in Mar 2001.
The median round it joins is $80M.
No investments in the last 12 months; the latest was in Mar 2001.
Most often Intel Capital (2 rounds together), Matrix Partners (2 rounds together) and North Bridge Venture Partners & Growth Equity (2 rounds together).
Essex Investment Management is a VC firm based in Duvall, United States.
About $713M, as regulatory assets under management (Oct 2026).
Essex Investment Management was founded in 1976.
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Built from the rounds we watched, its filings and its own website, refreshed every night. How we count · Report a correction · Is this your firm? Claim it