Investor AB is a Swedish investment and holding company, often considered a de facto conglomerate.

It has numerous investments worldwide through Patricia Industries and EQT AB.

[3] Investor AB was established in Stockholm when new Swedish legislation made it more difficult for banks to own stocks in industrial companies on a long-term basis.

[5] Investor AB owns the vast majority of the stock of Patricia Industries, as of 2022.

Patricia Industries' key focus is to invest in and develop wholly-owned companies.