AstraZeneca
The Wallenberg family’s business empire includes holdings in AstraZeneca, Ericsson, Saab and Nasdaq, and is worth 250 billion euros ($278 billion), according to the Financial Times.
https://www.cnbc.com/2019/07/26/swedish-billionaire-protectionism-leading-world-in-wrong-direction.html
Organisations
Bilderberg Group
The Wallenbergs have long been members of the steering committee of Bilderberg Group and invited CEOs from the Wallenberg sphere and other Swedish companies as well as editor-in-chiefs from mass media, Swedish politicians, and scientists to the meeting. The Wallenberg-owned Grand Hotel Saltsjöbaden hosted the meeting thrice, in 1962, 1973 and 1984.
Trilateral Commission
Members of the Trilateral Commission include Marcus Wallenberg Jr., Peter Wallenberg Sr., Jacob Wallenberg and Marcus Wallenberg.
ICC — International Chamber of Commerce
The Wallenbergs have their own room, the Wallenberg room, in the headquarters of ICC in Paris.[28]
https://en.wikipedia.org/wiki/Wallenberg_family
Peter Wallenberg was Immediate Past President of the ICC in Paris. Marcus Wallenberg Jr. was a long serving chairman, and his grandson Marcus Wallenberg is the longest serving chairman in the history of ICC and is now a honorary chairman.[29][30]
European Round Table of Industrialists
Jacob Wallenberg, CEO of Investor and Vice Chairman of FAM, is a member of the European Round Table of Industrialists, representing Investor AB. Other people from the Wallenberg sphere at ERT are Börje Ekholm, CEO of Ericsson, Ulrich Spiesshofer, CEO of ABB, Leif Johansson, CEO of Astra Zeneca.
Former members from the Wallenberg sphere include Curt Nicolin, CEO of ASEA, Carl-Henric Svanberg and Pehr G. Gyllenhammar, the initiator of the group back in 1983.
Institute of International Finance
Marcus Wallenberg is Vice-Chairman and Treasurer of the Institute of International Finance.[31][32]
World Economic Forum
Jacob Wallenberg was vice-chairman of World Economic Forum[33] and his cousin, Marcus Wallenberg, has been a participant.
A Nordic pyramid
https://www.economist.com/business/2016/03/10/a-nordic-pyramid