has raised $3 million from Waltham-based North Bridge Venture Partners. North Bridge also invested $6 million in Lumigent in January 2009.
—Ironwood Pharmaceuticals of Cambridge indicated in an SEC filing that it’s aiming to sell 16.7 million shares of common stock at $14 to $16 per share in its proposed initial public offering. With a potential value of up to $266.7 million, the offering would be much larger than the $172.5 million maximum value Ironwood specified when it initially filed for the IPO in November 2009.
—Boston-based BuyWithMe, a website that helps assemble customers to take advantage of merchants’ volume discounts on products and services, raised $5.5 million in a Series A venture financing round. Matrix Partners led the deal.
—Software maker SmartEquip of Norwalk, CT—whose various products target the construction, industrial equipment, and power tools industries—raised $18 million in an equity and security deal, according to an SEC filing. The round could eventually total $20.5 million, according to the filing.
—Watertown, MA-based QD Vision raised $3 million from DTE Energy Ventures, a subsidiary of Detroit, MI-based power company Detroit Edison. The round comes a little more than a month after the startup, a developer of nanotech-based lighting, announcing a $10 million round of venture financing.
—Burlington, MA-based Bluesocket, a developer of mobile access and security products, revealed in a regulatory filing that it has raised $8 million in equity-based financing. Vesbridge Partners, Ascent Venture Partners, Ironside Ventures, and Osborn Capital are all investors in the firm, according to its website.
—Unidesk of Marlborough, MA, raised $12 million in equity-based financing, according to a regulatory filing. A provider of virtual desktop management tools founded in 2007, Unidesk has investments from North Bridge Venture Partners and Matrix Partners, according to its website.