Lemonade, an insurance company powered by artificial intelligence and behavioral economics, has raised a $300 million Series D funding round.

San Francisco-based customer data infrastructure company Segment has raised $175 million.

Newport Beach, California-based identity protection company Obsidian Security has raised $20 million in a Series B financing round.

ThousandEyes has raised $50 million in a Series D round of funding.

Mountain View, California-based biomedical informatics and data management, DNAnexus, has closed a $68 million financing round.