PredictHQ, a company that aggregates data sets from myriad events and public holidays to help companies forecast demand for their services, has raised $22 million in a series B round of funding led by Sutter Hill Ventures, with participation from Lightspeed Venture Partners, Aspect Ventures, and Rampersand VC. The San Francisco-based startup meshes data from myriad sources related to events such as concerts, sports, and public holidays and then mixes in proprietary and other “hard to find” data.