72 institutions reported holding $756.1M of CMS Energy Corp. (CMSPRC) in SEC 13F filings for 2026-06-30. Largest institutional holders: ADVENT CAPITAL MANAGEMENT /DE/ ($92.3M), Calamos Advisors LLC ($85.9M), Aequim Alternative Investments LP ($78.2M), Universal- Beteiligungs- und Servicegesellschaft mbH ($69.6M), UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC ($61.5M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30