IEX, a New York-based equity trading venue, has secured $75 million in a Series C funding round led by Spark Capital. Bain Capital Ventures, MassMutual Ventures and Franklin Resources also participated.

WHILL, which manufactures a wheelchair alternative that it hopes will become a mass-market product,, has secured an $11 million Series A.

Nutanix, a converged infrastructure company and former Red Herring Top 100 winner, has closed a $140 million Series E round, which values the company at more than $2 billion.

Online technology education service Pluralsight has raised a Series B round worth $135 million led by Insight Venture Partners.

Feedvisor, a Red Herring Top 100 Europe award winner, has raised $6 million in Series A financing, in a round led by Square Peg Capital. The Tel-Aviv-based company provides an algorithmic pricing and business intelligence platform for online retailers.

DraftKings, a online fantasy sports company, has raised $41 million in Series C funding, in a round led by The Raine Group.

Alfresco, an enterprise content management company and Red Herring Top 100 North America winner, has raised $45 million in new funding led by Sageview Capital. Existing investors Accel Partners, Mayfield Fund and SAP Ventures also participated.

Agricultural harvest data and analytics provider FarmLink has raised $40 million in Series B financing. And other investment news in Wednesday’s Investment Round Up.