List of companies in Sigma Partners's investment portfolio

DocuSign is an online cloud-based document management and secured electronic document signature system capable of being used on almost any device.

VoltDB is a Bedford, Massachusetts-based developer of an in-memory SQL and relational database offering transaction processing in a horizontal scale-out platform.

Pindrop is a cybersecurity company developing voice security and authentication solutions.

A magnetoresistive random-access memory (MRAM) manufacturing and distribution company. It is located in Chandler, Arizona and was founded in 2008.

Rethink Robotics developed and patented Sawyer, a robot that can replace human labor where danger is likely or difficult.

Centrify is a company that offers Identity and Access Management and Privileged Identity Management to secure access across computer network and cloud computing environments. The company was formed in 2004. It is located in Santa Clara, California.

Quest Software is a division of dell inc.; former company founded in 1987 by Vinny Smith.

Cloud service to send/receive and digitally sign files

SugarSync is a San Mateo, California-based company founded in 2008.

Wireless networking semiconductor company and subsidiary of ON Semiconductor.

GainSpan is a San Jose, California-based company founded in 2006 by Lewis Adams.

Acquia is a Boston-based company founded in 2007 by Dries Buytaert.

Nasuni is a Boston-based company founded in 2009.

Jellyvision is a Chicago-based company founded in 1989 by Harry Gottlieb.

Steelwedge Software is a Pleasanton, California-based company founded in 2000 by Glen Margolis.

Vormetric is a San Jose, California-based cybersecurity company developing enterprise encryption and key management services.

Strava is a San Francisco-based ios company.

Aprimo is a company founded in 1998.

ExaGrid Systems is relied on by thousands of customers to solve their backup problems, effectively and permanently. ExaGrid's disk based, scale-out GR

Vlingo is a virtual assistant that uses voice-to-text technology and NLP to understand the user’s intent and take appropriate action.

Glasshouse Technologies is a Southborough, Massachusetts-based company founded in 2001.

Kirusa is a company founded in 2001.

An artificial intelligence company developing chatbots and virtual agents.

CallMiner is a Waltham, Massachusetts-based company founded in 2002.

Damballa is an Atlanta-based computer security company founded in 2006.