In the Netherlands a STAK refers to a Trust Office Foundation which holds the share The portion of registered capital of a private or public limited company
» Meer over share shares of a company and assigns depository receipts of shares it holds. The foundation remains is the owner of the original shares though. This means that the voting rights remain with the foundation but the depository receipts holders have the same right on distribution of profits as shareholders do. Only the profit will be distributed to the depository receipt holders via the foundation who holds the shares.

A Trust Office Foundation is often used at larger listed public limiteds to prevent hostile takeovers. By setting up a Trust Office Foundation the public limited company and concentrating the voting rights in the -indirectly controlled- foundation, the company can protect their business and raise capital at the same time.