According to reports confirmed by the company (read here), 
CompStak, a NYC-based startup that provides a commercial real estate information solution, raised $4.45m in Series A financing.
Backers included Canaan Partners, 500 Startups, Founder Collective and Expansion VC.
The company intends to use the funds to hire new people (read here) expand nationwide and develop new products.
Co-founded by CEO Michael Mandel and CTO Vadim Belobrovk, CompStak is a marketplace for commercial real estate lease information which gathers data that is hard to find, difficult to compile or otherwise unavailable. This information is used by institutional owners to compare properties, hedge funds to make investments, and brokers, investors, appraisers, asset managers, economists, etc.
FinSMEs
10/04/2013
22/10/2012: CompStak Raises $565K in Seed Funding