Aster-X Capital Management is an Amsterdam based independent equity investment management company. The business focuses on long-term capital appreciation of its investments rather than to perform in relation to a benchmark equity index.

The company was founded by Pieter-Jan Husken, Jan Stam and Marc Voncken and incorporated in the Netherlands on 15 January 2002 in Amsterdam. The company is registered in the Trade Register of the Chamber of Commerce of Amsterdam under number 34165111.