894 institutions reported holding $24.34B of CMS Energy Corp (CMS) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($3.26B), BlackRock, Inc. ($2.53B), STATE STREET CORP ($1.35B), JPMORGAN CHASE & CO ($1.28B), WELLINGTON MANAGEMENT GROUP LLP ($930.1M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30