Meru Networks, a Sunnyvale, Calif. company that provides WiFi networks for large companies, has raised $27.6 million in a fourth round of funding, according to a regulatory filing cited by PE Week.

D.E. Shaw was joined by existing investors, including Lehman Brothers Venture Partners, Clearstone Venture Partners, BlueStream Ventures, JumpStartUp Ventures, Evercore Ventures and NeoCarta Ventures, according to the report.

Meru has raised over $83 million.