Current Investments
Since the firm’s founding over 20 years ago, we have invested in some of the most innovative and significant technology companies of our time. Sigma knows what it takes to help entrepreneurs turn creative ideas into sustainable businesses.
 | Acquia, Inc. Acquia provides value-added software products and services for the Drupal open source web publishing and collaboration platform. Acquia products and services empower anyone to deliver beautiful and powerful web sites and applications without programming. Co-founder and CEO: Jay Batson | Andover, MA | ||
 | Applied Identity, Inc. Applied Identity develops enterprise-scalable, identity-based solutions for securing internal networks. Applied Identity Identiforce appliances help Fortune 1000 and SME customers shield their critical assets and attain regulatory compliance at a fraction of the cost and complexity of traditional security approaches. President & CEO: Brian Nugent | San Francisco, CA | ||
 | Aprimo, Inc. A Web-based marketing management solution that facilitates strategic decision-making, empowers integrated campaign and program management, and enables fact-based performance analyses. President & CEO: William Godfrey | Indianapolis, IN | ||
 | aPriori Technologies, Inc. Provides accurate cost estimates in design and costing systems in manufacturing that have unparalleled speed and ease of use - allowing our customers to design and manufacture the highest margin products. | Concord, MA | ||
 | Attributor Corporation Attributorʼs content tracking and analytics platform enables publishers to build value with their content wherever it appears on the Internet. With Attributor, publishers can now program when, how and where their content is presented across the Web and social networks. CEO: Jim Brock | Redwood City, CA | ||
 | AutoVirt, Inc. AutoVirt's mission is to increase IT productivity by replacing manual labor with automation and virtualization. The initial virtualization and automation product from AutoVirt is based around solving the problems of File Server Consolidation and Data Migration. Founder and CTO: Klavs Landberg | New Hampshire | ||
 | Azuki Sytems, Inc. Azuki Systems is an innovative technology provider enabling Interactive Mobile Media Services for content publishers and mobile operators looking to expand and monetize rich media viewership across the 3 billion mobile users worldwide. President & CEO: Jim Ricotta | Acton, MA | ||
 | Blackwave, Inc. Blackwave creates intelligent storage and distribution systems specifically designed for internet video, dramatically decreasing capital and operational expenses for Content Delivery Networks and Media and Entertainment companies President & CEO: Robert Rizika | Acton, MA | ||
 | BusRadio, Inc. BusRadio delivers age appropriate music and entertainment programming to students as they travel to and from school each day. Through its exclusive network of school buses, BusRadio reaches a larger concentration of teens and tweens than any other radio network. CEO: Michael Yanoff | Needham, MA | ||
 | CallMiner, Inc. CallMiner is the leading developer of speech analytics solutions that deliver near real-time customer intelligence from recorded conversations. CallMiner provides a complete and accurate understanding of the content, context and purpose of the entire conversation and of every call. CEO: Terry Leahy | Fort Myers, FL | ||
 | CaseNET, Inc CaseNET provides a suite of care management software and service solutions that center on the individual receiving care and team-based care management. CaseNET’s platform incorporates an organization’s existing processes and workflows into an intuitive environment along with real-time reporting capabilities. CEO: Brian O'Neill | Waltham, MA | ||
 | Centrify Corporation Centrify’s auditing, access control and identity management solutions centrally secure heterogeneous systems, web applications and databases using Microsoft Active Directory. With Centrify, organizations can improve IT efficiency, better comply with regulatory requirements, and move toward a secure, connected computing environment. CEO: Thomas Kemp | Mountain View, CA | ||
 | Certeon, Inc Certeon provides Application Intelligent Networking, increasing the speed security, and scalability of WAN based enterprise applications. The result is a significant reduction in application response times, improvement in user productivity, and enhancement in corporate data security for branch office workers. President & CEO: Peter Dougherty | Burlington, MA | ||
 | CiRBA, Inc. CiRBA's Data Center Intelligence software enables organizations to rapidly analyze and visually map the safest path to an optimally consolidated and virtualized data center. Using a unique cross-platform approach, CiRBA addresses all configuration, workload, and business constraints required for success. President & CEO: Gerry Smith | Ontario, Canada | ||
 | CRI Technologies, Inc. CRI Technologies delivers complete virtualization solutions that enable enterprises and midsized companies to realize dramatically reduced operating costs and IT infrastructure complexity. Our consultants help design, implement, and manage IT environments to fully realize the value of your virtualization solutions investment. CEO: Howard Pavony | Shelton, CT | ||
 | CrownPeak Technology CrownPeak is the first company to provide enterprise-level 360 Degree Web Site Management, including web content management, site search and web hosting as a completely hosted service. CEO: Jim Howard | Los Angeles, CA | ||
 | Damballa, Inc. Damballa monitors the Internet fabric to pinpoint BotArmy TM formation and rallying activity. Damballa’s real-time intelligence delivers unrivalled protection for Global 1000 clients and OEM partners by identifying compromised hosts that have evaded traditional security technologies. CEO: Steve Linowes | Atlanta, GA | ||
 | Dexterra, Inc. Enables companies to bring mobility to their business processes and enterprise applications. By leveraging recent advances in low-cost handheld PCs, wireless networking, and .NET/Web Services technologies, Dexterra's Mobile Enterprise Platform extends the power of enterprise IT resources into the field. Chairman & CEO: Rob Loughan | Bothell, WA | ||
 | Digital Fuel Technologies, Inc Provides Service Relationship Management software solutions through its flagship product, Service Flow, for the complete IT-services value chain. CEO: Yisrael Dancziger | San Mateo, CA | ||
 | DocuSign, Inc. DocuSign offers an enterprise class Web-based electronic signature service that provides the simplicity, speed and security required to electronically sign contracts and documents. DocuSign helps enterprises increase revenue and sales close rates, decrease costs and accelerate business velocity. CEO and President: Matthew Schiltz | Seattle, WA | ||
 | Edgenuity, Inc. Edgenuity is a provider of on-demand educational analytic systems for K12 school districts that fully integrates the analysis of curriculum, instruction, and assessment data into a comprehensive view of teaching and learning to inform decisions that result in student gains. President & CEO: Eric Docter | Sunnyvale, CA | ||
 | Emagia Corporation Delivers enterprise cash flow management solutions that helps you manage your cash inflow and outflow performance efficiently to optimize working capital. CEO: Lane Bauldry | Santa Clara, CA | ||
 | Encover, Inc. Offers a comprehensive solution for managing, marketing and selling service contracts for manufacturers and their channel partners. Encover's service sales professionals, multi-channel marketing programs, robust enterprise technology and best practices help companies drive millions of dollars in incremental services revenue. CEO & President: Chip Overstreet | Mountain View, CA | ||
 | Enkata Technologies, Inc. Delivers revolutionary software solutions that allow you to discover breakthrough improvement opportunities in your company's core business process. President & CEO: David Stamm | San Mateo, CA | ||
 | Entellium Corporation Founded in 2000, Entellium is a global software company that develops on-demand Customer Relationship Management (CRM) applications for small and midsize businesses as well as for enterprise departments. CEO: Paul Johnston | Seattle, WA | ||
 | Envis Corporation Envis develops innovative software and hardware solutions that provide real time energy management and power reduction for digital integrated circuits. President & CEO: Paul McLellan | Santa Clara, CA | ||
 | EverSpin Technologies, Inc. EverSpin Technologies is the global leader in developing and manufacturing magnetic-based memory (MRAM). EverSpin Technologies is now an independent company backed by prominent venture capital firms. A growing number of leading corporations have adopted EverSpin MRAM to enable their most advanced products. COO: Saied Tehrani | Chandler, AZ | ||
 | ExaGrid Systems, Inc. ExaGrid is the leader in cost-effective disk-based data protection solutions. ExaGrid’s scalable disk-based backup solution is ideal for mid-market and small enterprise companies looking to quickly eliminate the hassles of tape backup while reducing their existing backup windows. President & CEO: Bill Andrews | Westborough, MA | ||
 | Expressor Software Corporation Founded in 2003, Expressor Software develops next-generation data integration software for the global 2000. CEO: Robert Potter | Burlington, MA | ||
 | Fortify Software, Inc. Fortify Software products protect companies from operational, financial and reputation threats by preventing security problems at the source of those risks: the software applications themselves. President & CEO: John M. Jack | San Mateo, CA | ||
 | Gainspan Corporation GainSpan develops semiconductors and software for next generation battery powered wireless networked devices. The company enables the development and deployment of sensors targeted at the growing wireless needs of the Industrial and Commercial Automation markets. President & CEO: Vijay Parmar | Sunnyvale, CA | ||
 | GlassHouse Technologies, Inc. GlassHouse is a professional services firm, providing clients with insight and expertise into information management, storage technology and business continuance needs. President & CEO: Mark Shirman | Framingham, MA | ||
 | Hanger Network, Inc. An In-Home marketing company serving top national & regional advertisers, Hanger Network In-Home Media delivers proprietary advertising, promotion & sampling programs directly into the home via its patented EcoHangers ™ through its national network of 35,000 dry cleaning stores. CEO: Bob Kantor | New York, NY | ||
 | HiWired, Inc. HiWired delivers remote technology management solutions to consumers and small offices. HiWired helps people install, integrate, secure, maintain and monitor all brands and platforms of in-home and small office technology, including PCs, peripherals, wireless networks and all hardware and software. co-Presidents: Singu Srinivas and Michael Wexler | Needham, MA | ||
 | Incipient, Inc. Develops software that enables complex enterprise SAN's to be reliable, scalable, manageable, flexible and fast. CEO: Ric Calvillo | Waltham, MA | ||
 | Initiate Systems, Inc Provides Enterprise Identity Management solutions through real-time data integration software and related data quality remediation services. The comprehensive approach includes identification, indexing, and linking technologies, scaling to hundreds of millions of records. President & CEO: William Conroy | Chicago, IL | ||
 | Inovis, Inc. Inovis provides a complete line of software, managed services and professional services that enable companies to conduct business with leading industry trading communities and standards. Inovis acquired IPnet Solutions, a Sigma portfolio company, in 2003. President and CEO: Jim Schaper | Atlanta, GA | ||
 | Instill Corporation Provides innovative software solutions that streamline the foodservice supply chain. Instill acquired Global Food Exchange, a Sigma portfolio company, in 2001. CEO: Michael Devries | Redwood City, CA | ||
 | Intacct Corporation Intacct provides on-demand financial management applications for over 2,000 small and midsize businesses that have outgrown products like QuickBooks. Companies can easily add users, applications and business units as they grow, making Intacct the last financial management suite they’ll ever need. CEO: Michael A. Braun | San Jose, CA | ||
 | Interactions, Inc. Solving the problems inherent to speech recognition and outsourcing, Interactions' Intent Recognition provides a service that enables companies to support their customers in a fully conversational automated environment, delivering an exceptional customer experience and business-changing savings. CEO: Michael Cloran | Indianapolis, IN | ||
 | iWatt, Inc. Develops patented pulseTrain digital technology for the power supply industry. Unlike most power supply controllers, iWatt's controller is nearly all digital. iWatt's chip at 90% digital means customers can eliminate the problems of traditional analog design, such as compensation. President & CEO: Ron Edgerton | Los Gatos, CA | ||
 | Jellyvision, Inc. Jellyvision uses a unique approach to human/machine interface, Interactive Conversation, to help clients convert more traffic into customers. Jellyvision’s virtual advisors provide a conversational, dynamically personalized sales experience, like a real-life advisor, resulting in a more meaningful – and effective – experience. Founder & CEO: Harry Gottlieb | Chicago, IL | ||
 | KACE Networks, Inc. KACE™ is the leading systems management appliance company. The award winning KBOX™ family of appliances delivers easy-to-use, comprehensive systems management capabilities. CEO: Rob Meinhardt | Mountain View, CA | ||
 | MarketLive, Inc. MarketLive’s leading enterprise-class solution creates and deploys world-class e-commerce technology specifically designed to meet the unique requirements of catalogers, retailers, direct marketers, and manufacturers. President & CEO: Terry Austin | Petaluma, CA | ||
 | Menara Networks, Inc. Menara Networks develops products that greatly simplify the layered optical networks. Taking advantage of fundamental innovations at the ASIC, and optical level; Menara products enable optical networks with fewer elements and faster service turn-up resulting in CapEX and OpEx savings. President & CEO: Siraj Nour El-Ahmadi | Dallas, TX | ||
 | Nexx Systems, Inc. NEXX Systems provides processing equipment for advanced wafer level packaging applications. Its product lines provide the most efficient, yet affordable, systems of their kind: Nimbus for multi-layer sputter deposition of metals, and Stratus for high throughput electro-deposition of metals. CEO & Chairman: Richard Post | Billerica, MA | ||
 | Nimblefish Technologies, Inc. Provides a software infrastructure solution that enables personalization in printed direct marketing materials. CEO: Ed Dilworth | San Francisco, CA | ||
 | Noetix Corporation Provides infrastructure software solutions enabling corporations to automatically map complex, fragmented data and translate it into understandable business information. CEO: Morris Beton | Redmond, WA | ||
 | oDesk Corporation oDesk enables buyers of services to hire, manage, and pay technology service providers from around the world. Buyers choose oDesk for top global talent, comprehensive management tools, and a flexible hourly payment model. Service Providers choose oDesk for challenging jobs and guaranteed payment. CEO: Gary Swart | Sunnyvale, CA | ||
 | OpenPages, Inc. OpenPages enables the well-governed business through a software solution that provides a single enterprise system for managing governance, risk and compliance procedures and policies. CEO: Michael Duffy | Waltham, MA | ||
 | OpenSpan, Inc. OpenSpan is the pioneer of Surface Integration™ - a new and innovative approach to desktop integration and the streamlining of end user desktops. OpenSpan's flagship product, Composite Studio, fully enables rapid integration and automation between applications, without programming. CEO: Francis Carden | Atlanta, GA | ||
 | OutStart, Inc. Provides an e-learning content management and delivery platform for enterprises needing an online learning and training solution. CEO: Massood Zarrabian | Boston, MA | ||
 | Oversight Systems, Inc. Monitors business processes with real time detective controls. Oversight's Transaction Integrity Monitoring solutions analyze activities across multiple financial systems to reduce compliance costs, minimize financial loss and boost operational efficiency. CEO & co-founder: Patrick Taylor | Atlanta, GA | ||
 | Quantenna Communications, Inc. Quantenna Communications Inc. is developing wireless ICs with game-changing size, power, and performance characteristics. CEO: Behrooz Rezvani | Sunnyvale, CA | ||
 | Rave Wireless, Inc. Rave Wireless is the leading provider of reliable safety applications for mobile users. Rave builds, sells and supports the award-winning Rave Alert, Rave Guardian and Rave Campus products that deliver the only two-way safety solution complete with inbound and outbound emergency alerting. CEO: Tom Axbey | Framingham, MA | ||
 | RecycleBank, LLC RecycleBank has revolutionalized municipal recycling in America. By merging technology, incentives, environmental practices and partnerships, RecycleBank has developed a sustainable long-term solution to the recycle challenge. RecycleBank's mission "promote environmentally conscious waste disposal by offering households financial incentives to recycle." Founder and CEO: Ron Gonen | Philadelphia, PA | ||
 | Responsys, Inc. Responsys is a global leader in on-demand campaign management solutions for Individualized Lifecycle Marketing. The company provides industry-leading software and award-winning services helping enterprises develop, deliver, and optimize multi-channel marketing communications, throughout the customer lifecycle, for maximum business value. CEO: Dan Springer | San Bruno, CA | ||
 | Retica Systems, Inc. Retica offers the most advanced and accurate eye biometric identification and authentication solutions for logical, physical and surveillance ID applications to government, industry and business enterprises worldwide. CEO: Barry Morse | Waltham, MA | ||
 | Sequence Design, Inc. Supplies advanced software tools used to improve the performance and turn-around-time of advanced semi-custom ICs. President & CEO: Vic Kulkarni | Santa Clara, CA | ||
 | Sharpcast, Inc. An innovator in digital media and information synchronization, Sharpcast develops software and services that dramatically simplify the way people organize and access digital content. Sharpcast enables PCs, mobile phones and the web to work together automatically to keep photos, files and information in sync, backed up online and instantly accessible from anywhere. CEO: Gibu Thomas | Palo Alto, CA | ||
 | Silverlink Communications, Inc. A specialized service provider delivering voice applications that specifically address the unique communication issues of healthcare enterprises. President & CEO: Stan Nowak | Burlington, MA | ||
 | Soladigm Soladigm is developing green building materials. CEO: Mike Scobey | Santa Rosa, CA | ||
 | Solaria Corporation Solaria has developed a breakthrough technology to deliver low-cost, high-efficiency solar PV solutions. The company’s unique low-concentration (2-3X) technology platform enables the production of two to three times the number of modules from the same amount of silicon material used in today’s conventional cells and modules. President & CEO: Suvi Sharma | Fremont, CA | ||
 | Steelwedge, Inc. Provides Enterprise Forecast Optimization software solutions that enable companies to dramatically increase margins and revenue predictability by guiding them through a collaborative forecasting process. Founder & CEO: Glen Margolis | Pleasanton, CA | ||
 | Tervela, Inc Tervela is the first appliance-based messaging technology provider. Our technology enables an order of magnitude improvement in both message routing capacity and latency reduction. CEO: Robert Cramer | New York, NY | ||
 | TJet Technologies TJet is committed to making Organic Light Emitting Diode (OLED) based displays the dominant flat panel display technology. CEO: Conor Madigan | Menlo Park, CA | ||
 | Toolwire, Inc. An enterprise service provider specializing in live, hands-on access to real technology through the dynamic provisioning of shared and private workspaces. President & CEO: John Valencia | Pleasanton, CA | ||
 | TradeBeam, Inc. Provides a software solution that streamlines global trading processes. By supporting the entire lifecycle of a global trade across order, logistics and settlement activities the Tradebeam solution improves global trade operating efficiencies and cash flows. CEO: Graham R. F. Napier | San Mateo, CA | ||
 | Vendavo Corporation Provides sales analysis and decision support software to help businesses improve revenue and profits. President & CEO: Alan Crites | Palo Alto, CA | ||
 | Vericept Corporation Provides comprehensive content monitoring solutions to dramatically reduce network abuse and information security breaches. Appliances using the (VIEW) platform are based upon monitoring and analysis techniques monitoring all forms of TCP/IP traffic (web, email, chat, IM, peer-to-peer, ftp and telnet). CEO: David Parkinson | Boston, MA | ||
 | Vettro Corporation Leading provider of mobile field services and sales applications, which enable organizations to achieve measurable business results within their field operations. Global enterprise clients include BostonCoach, SuperShuttle, Hitachi Data Systems, Lockheed Martin, Citigroup, AIG, AT&T, and LSSi. President & CEO: Joe Rymsza | New York, NY | ||
 | Virtusa, Inc. Virtusa is a global provider of software development and IT services to Fortune 1000 enterprises and leading enterprise software companies in the financial services, communications, and high technology industries. Chairman & CEO: Kris Canekeratne | Westborough, MA | ||
 | Visual Mining, Inc. Provides data visualization software and services. Visual Mining's web application solutions are used in every sector, worldwide. President & CEO: Tristan Ziegler | Rockville, MD | ||
 | Viximo Inc. Viximo provides a digital goods platform that enables online and mobile communities to monetize their destinations with digital goods. CEO: Rob Frasca | Cambridge, MA | ||
 | Vlingo Corporation Vlingo has created a dramatically improved user interface for mobile devices using advanced speech recognition technology. The result is a personalized interface which gives users new ways to access a wide variety of mobile applications and content. CEO: Michael Phillips | Cambridge, MA | ||
 | Vormetric, Inc. Developing the industry's first storage security appliances that provide transparent information-centric protection of all stored data accessible via networks. President & CEO: Richard Gorman | Santa Clara, CA | ||
 | Voxify, Inc Voxify is the first company to create automated call center agents with the conversational skills to handle advanced customer service calls. CEO: John Gengarella | Alameda, CA | ||
 | Xcellor, Inc. XCELLOR is a leading provider of professional services and solutions to the Global 2000 in the areas of enterprise information architecture, data warehouse deployment, data integration and business intelligence. | Barrington, IL | ||
 | YouSendIt, Inc. The trusted leader in digital content delivery - used by millions to securely send, receive and track large and important files. Offering convenient plugins, and subscription plans for individuals, businesses and enterprise organizations, YouSendIt is the solution for on-demand digital delivery. CEO: Ivan Koon | Campbell, CA | ||