Sharecast - Responding to press speculation, the company said that founder and chief executive Julian Dunkerton "intends to significantly participate in the equity raise and provide a material underwriting commitment, reflecting his confidence in the long-term prospects of the business".
A further announcement about the fundraising will be made in due course as appropriate, Superdry said.
At 0920 BST, the shares were up 7.3% at 92.40p.