Year’s Best Exits—Top Massachusetts IPOs and M&As of 2007

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which include the firms’ names, their fields, who bought them in the case of M&As, and the deal value. Once again the data comes courtesy of Dow Jones VentureSource.


Top 10 Massachusetts M&As of 2007 (by purchase price)

Health Dialog (Boston): Decision support services. Acquired by BUPA (United Kingdom) — $775 Million

Adnexus Therapeutics (Waltham): Biotechnology. Acquired by Bristol-Myers Squibb — $430 million

Domantis (Waltham): Biotechnology. Acquired by GlaxoSmithKline — $406 million

Hypnion (Lexington): Pharmaceuticals. Acquired by Eli Lilly — $315 million

Alantos Pharmaceuticals (Cambridge): Biotechnology. Acquired by Amgen — $300 million

VoiceSignal Technologies (Woburn): Connectivity and communications software. Acquired by Nuance Communications — $293 million

Acopia Networks (Lowell): Connectivity and communications software. Acquired by F5 Networks — $210 million

Spotfire (Somerville): Business applications software. Acquired by Tibco Software — $195 million

Interwise (Cambridge): Business applications software. Acquired by AT&T — $121 million

Archivas (Waltham): Database software. Acquired by Hitachi — $120 million


Top 10 Massachusetts IPOs of 2007 (by dollars raised)

Starent Networks (Tewksbury) — Wireless communications equipment — $108 million

Netezza (Framingham) — Data storage — $108 million

Constant Contact (Waltham) — IT business services — $93.3 million

EnerNOC (Boston) — Energy conservation products — $91.7 million

Athenahealth (Watertown) — Decision support services for medical practices — $90 million

TechTarget (Needham) — Media, content & information — $83.6 million (Editor’s note: we applaud all media-content company IPOs, but feel they are all undervalued)

Molecular Insight Pharmaceuticals (Cambridge) — Biotechnology — $70 million

BladeLogic (Lexington) — Connectivity and communications software — $67 million

Virtusa (Westborough) — IT consulting — $61.6 million

Sirtris Pharmaceuticals (Cambridge) — Biotechnology — $60 million

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  • The CEOs of 2 of the top 5 IPO companies are speaking on this very topic at an MIT Enterprise Forum event on the evening of January 24th. It’s called “Are You Ready For IPO?” and full details and online registration can be found at