885 institutions reported holding $23.15B of CMS Energy Corp. (CMS) in SEC 13F filings for 2026-03-31. Largest institutional holders: BlackRock, Inc. ($2.60B), VANGUARD CAPITAL MANAGEMENT LLC ($1.54B), VANGUARD PORTFOLIO MANAGEMENT LLC ($1.46B), STATE STREET CORP ($1.40B), JPMORGAN CHASE & CO ($1.22B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-03-31