ImmunoGen Raises $84M, Cablevision Founder Backs Crimson Hexagon, BzzAgent Bought, & More Boston-Area Deals News

New England IT and life sciences startups warmed up this week with financing and acquisition news.

—Andover, MA-based SiGe Semiconductor scrapped its plans to go public and was instead acquired by Skyworks Solutions (NASDAQ: SWKS) of Woburn, MA, for $210 million upfront and potentially $65 million more tied to certain milestones.

—Nashua, NH-based VGo Communications, a maker of devices for two-way audio and visual conferencing, brought in $4.3 million of a targeted $6 million equity offering, from 11 investors, an SEC filing showed.

—ImmunoGen (NASDAQ: IMGN), the Waltham, MA-based antibody drug developer, raised $84 million in a stock offering, selling 7 million shares at $12 each.

—Boston-based mobile startup Session M snapped up $6.5 million in a Series A financing from Highland Capital Partners, Kleiner Perkins Caufield & Byers (iFund), and other mobile industry leaders. Session M’s founders are veterans of Apple, Quattro Wireless, Gamesville, Lycos, GameLogic, and Meblur.

BzzAgent, a Boston-based social marketing company, was bought by U.K.-based consumer analytics firm Dunnhumby, for a sum that some media reports pegged at $60 million.

—MIT startup Liquid Metal Battery received an undisclosed amount of seed funding from Bill Gates and an unnamed oil driller. The startup is working on a battery made of liquid anode, cathode, and electrolyte components, to better store wind and solar energy.

—Cambridge, MA-based osteoporosis drug maker Radius Health said it raised $91 million in a third financing round, which includes $66 million in equity. It also merged with an unlisted shell company (“MAC”), so that it can take on the status of an SEC-reporting company and apply to be listed on a national stock exchange. The financing will go to completing pivotal Phase 3 clinical trials of its novel bone-building drug.

Harvest Power, a Waltham, MA-based cleantech and waste management company, bumped its Series B funding up to $57.7 million, with a fresh $6 million tranche this week. The new money comes from SAM Private Equity.

Casenet. a healthcare software developer of Bedford, MA, added $3.3 million in financing and bumped its funding round target up from $8.8 million up to $15.8 million.

QD Vision and Crimson Hexagon each announced fundings yesterday. Watertown, MA-based QD, a developer of nanomaterials for displays and lighting applications, took in $22 million from new and existing investors. And Cambridge-based social media monitoring and analysis startup Crimson grabbed $5 million in Series B money from Charles Dolan, the founder and chairman of Cablevision Systems (NYSE: CVC).

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