the Massachusetts Technology Development Corporation, and new investor Longworth Venture Partners.
—Data from CB Insights FundingFlash showed that Massachusetts startups collected $305.6 million in 36 equity-based financings in May, keeping up the solid pace started the month before.
—CSN Stores, a Boston-based online retailer, raised its first outside funding: a $165 million growth round from Battery Ventures, Great Hill Partners, HarbourVest Partners, and Spark Capital. The company quietly owns about 200 online stores selling home goods and the like, and has been profitable since its 2002 inception, boasting $380 million in revenue in 2010.
—Boston biotech Tesaro closed a hefty $101 million Series B round of funding, led by Kleiner Perkins Caufield & Byers. Founding investor New Enterprise Associates, and new investors that include InterWest Partners, T. Rowe Price, Pappas Ventures, Oracle Partners, Deerfield Management, and Leerink Swann, also participated in the deal for Tesaro, which is focused on advancing cancer drug candidates discovered by other firms.
—Kyruus, a Boston-based health IT startup, took in $5.5 million in a Series A round led by Highland Capital Partners, Venrock, and Gerson Lehrman Group, with participation from angel investors Jonathan Bush, Ed Park, John Goldsmith, and James Golden.
