Philip J. Hempleman and Ardsley Partners’ Brand New Purchase

Ardsley Partners is a long/short equity hedge fund founded by Philip J. Hempleman in 1987. The firm manages over $1 Billion and specializes in industrial and energy companies.

Ardsley Partners disclosed a 5.17% stake in World Energy Solutions (XWES). Ardsley Partners purchased 555 thousand shares of XWES on or before April 11^th. Their average price for this position is around $4-4.25 per share. World Energy Solutions currently trades at $4.88 and gained 15-20% since early April.

Charles M. Royce’s Royce & Associates had 1.14 Million XWES shares in its portfolio at the end of 2010. The stock gained 72% since the end of 2010. This is a micro cap stock with $45 Million in market value and 9 million outstanding shares. Chuck Royce owns more than 12% of the company and Philip Hempleman now owns nearly 6%.