| Current Investments |
|---|
 | ANDA Networks, Inc.
Sunnyvale, California
Telecommunications access platforms for carriers
|
 | Avidyne
Lincoln, Massachusetts
Integrated flight deck systems for general aviation aircraft
|
 | Bit9
Cambridge, Massachusetts
Enterprise infrastructure software
|
 | BlueTarp Financial
Charlotte, North Carolina
Trade credit services for the building materials industry
|
 | Casero
Toronto, Ontario
Broadband value-added services
|
 | CCTV Wireless
Alexandria, Virginia
Owner of wireless spectrum in the 1.4 GHz band
|
 | CHiL Semiconductor
Tewksbury, Massachusetts
Next generation digital power chip
|
 | Covergence
Maynard, Massachusetts
Security solutions to manage real-time enterprise communications
|
 | Desktone
Chelmsford, Massachusetts
Enabling virtual desktops for the enterprise
|
 | ExaGrid Systems
Westboro, Massachusetts
Leading provider of intelligent disk-based data protection
|
 | Gotuit
Woburn, Massachusetts
Digital media platform company delivering metadata-driven video products
|
 | Imprivata
Lexington, Massachusetts
Enterprise identity management systems
|
 | Innovative Silicon
Santa Clara, California
Developing novel semiconductor memory technology
|
 | moka5
Redwood City, California
Virtual computing
|
 | Movik Networks
Infrastructure solutions to improve mobile user experience
|
 | Navic Networks
Waltham, Massachusetts
Products and services for digital cable networks
|
 | NetentSec, Inc.
Beijing, China
Internet security provider
|
 | Ocarina Networks
San Jose, California
High-performance storage and network subsystems
|
 | Optasite
Westborough, Massachusetts
Owner, operator and developer of wireless communications tower sites
|
 | P.A. Semi
Santa Clara, California
Power efficient platform processors
|
 | picoChip
Bath, United Kingdom
Semiconductor wireless infrastructure
|
 | QD Vision
Watertown, Massachusetts
Next generation flat panel displays
|
 | Quattro Wireless
Waltham, Massachusetts
Diverse ad placement across the mobile ecosystem
|
 | Radiospire Networks
Concord, Massachusetts
Cable free HDTV solutions
|
 | Simpler Networks
Dorval, Québec
Network solutions for telecommunications providers
|
 | Starent Networks
Tewksbury, Massachusetts
Equipment for multimedia wireless communications
|
 | StreamBase Systems
Lexington, Massachusetts
Processing technology for streaming real-time data
|
 | Tatara Systems
Acton, Massachusetts
Mobile services convergence platform
|
 | TriStar Investors, Inc.
Pittsburgh, Pennsylvania
Strategic wireless assets
|
 | Vertica Systems
Andover, Massachusetts
Database engine technology
|
 | Virtual Iron Software
Lowell, Massachusetts
Solutions for creating and managing virtual infrastructure
|
Previous Investments |
|---|
 | AccessLan Communications
San Jose, California
Packet-based integrated voice and data DSL services
(Acquired by Advanced Fibre Communications)
|
 | Altiga Networks
Franklin, Massachusetts
Broadband virtual private network solutions
(Acquired by Cisco Systems)
|
 | Appex
Waltham, Massachusetts
Cellular telephone information services
(Acquired by Electronic Data Systems)
|
 | Boston Communications Group
Woburn, Massachusetts
Cellular telephone services
(Nasdaq: BCGI)
|
 | Continental Cablevision
Boston, Massachusetts
Cable television systems
(Acquired by US WEST Media Group, Inc.)
|
 | Envoy Networks
Burlington, Massachusetts
(Acquired by Texas Instruments Incorporated)
|
 | Kodeos Communications
South Plainfield, New Jersey
Systems and equipment for fiber optic communications networks
(Acquired by Finisar Corporation)
|
 | Mangrove Systems
Wallingford, Connecticut
(Acquired by Carrier Access Corp (CACS))
|
 | N2 Broadband
Duluth, Georgia
Infrastructure equipment and software for video on-demand
(Acquired by Tandberg Television)
|
 | New Oak Communications
Acton, Massachusetts
Internet-based remote access technology
(Acquired by Bay Networks, now Nortel Networks)
|
| NewCity Communications
Bridgeport, Connecticut
(Acquired by Cox Communications)
|
 | Ocular Networks
Reston, Virginia
Optical access solutions
(Acquired by Tellabs, Inc.)
|
 | Raindance Communications
Louisville, Colorado
Phone and web communications services
(Formerly Evoke Communications and VStream Incorporated)
|
 | Telica
Marlborough, Massachusetts
Next generation switching and transmission equipment
(Acquired by Lucent Technologies)
|
 | WebLine Communications
Burlington, Massachusetts
Web-enabled call-center solutions
(Acquired by Cisco Systems)
|
 | World Wide Technology
St. Louis, Missouri
Electronic procurement and logistics
(Merged with telcobuy.com)
|
Peter Bell
Sean Dalton
Paul Maeder
Neill Occhiogrosso
Dan Rosen
John St. Amand
Chuan Thor