ACM to Take Over TOP500

Deal Summary

The Association of Computing Machinery (ACM) announced it will assume ownership of the TOP500 supercomputer ranking list, transitioning it from the ISC group. The handover was formally announced at the ISC 2026 conference on June 22, with ACM's SIGHPC chair Christine Harvey confirming the transfer. ACM will publish the list in its Digital Library and assign a DOI to future releases.