Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in CMS held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 33.6M | $2.60B | +2.9% | 10.865% | 0.05% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 19.9M | $1.54B | — | 6.434% | 0.04% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 18.8M | $1.46B | — | 6.084% | 0.08% |
| 4 | STATE STREET CORP | 18.1M | $1.40B | +1.8% | 5.859% | 0.05% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 8.5M | $659.2M | +2.5% | 2.761% | 0.04% |
| 6 | DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt | 8.1M | $631.1M | +17.0% | 2.633% | 0.62% |
| 7 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 7.6M | $614.3M | -7.8% | 2.470% | 0.21% |
| 8 | DEUTSCHE BANK AG\ | 7.7M | $600.9M | +6.8% | 2.507% | 0.20% |
| 9 | Invesco Ltd. | 7.6M | $593.1M | +2.2% | 2.475% | 0.09% |
| 10 | VICTORY CAPITAL MANAGEMENT INC | 6.8M | $530.6M | -7.4% | 2.214% | 0.34% |
| 11 | WELLINGTON MANAGEMENT GROUP LLP | 6.7M | $516.4M | +13011.5% | 2.155% | 0.10% |
| 12 | WELLS FARGO & COMPANY/MN | 5.4M | $420.6M | -3.6% | 1.755% | 0.09% |
| 13 | AMERIPRISE FINANCIAL INC | 4.9M | $382.7M | +0.7% | 1.596% | 0.09% |
| 14 | GOLDMAN SACHS GROUP INC | 4.8M | $370.7M | +16.8% | 1.547% | 0.04% |
| 15 | MORGAN STANLEY | 4.7M | $365.7M | +2.2% | 1.526% | 0.02% |
| 16 | GQG Partners LLC | 4.4M | $342.3M | -2.4% | 1.428% | 0.54% |
| 17 | Pictet Asset Management Holding SA | 4.2M | $323.3M | +16.7% | 1.349% | 0.34% |
| 18 | BANK OF AMERICA CORP /DE/ | 3.7M | $284.6M | +7.8% | 1.188% | 0.02% |
| 19 | UBS ASSET MANAGEMENT AMERICAS INC | 3.1M | $241.2M | -0.9% | 1.006% | 0.05% |
| 20 | FIL Ltd | 3.0M | $235.5M | +0.8% | 0.983% | 0.18% |
| 21 | BARCLAYS PLC | 3.0M | $232.4M | +368.8% | 0.970% | 0.10% |
| 22 | NORTHERN TRUST CORP | 2.7M | $211.4M | -3.2% | 0.882% | 0.03% |
| 23 | Legal & General Group Plc | 2.6M | $200.5M | -2.6% | 0.837% | 0.05% |
| 24 | Bank of New York Mellon Corp | 2.5M | $196.6M | -4.9% | 0.821% | 0.04% |
| 25 | REAVES W H & CO INC | 2.1M | $164.0M | +1.3% | 0.684% | 2.72% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CMS — a direct measure of their conviction.
Filings activity in CMS during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 786 | +0.4% | 92.48% | +5.55 pp | $21.02B | +6.4% |
| Q4 2025 | 783 | +3.7% | 86.93% | 1.75 pp | $19.76B | 2.0% |
| Q3 2025 | 755 | +2.7% | 88.68% | 12.77 pp | $20.15B | 13% |
| Q2 2025 | 735 | +2.9% | 101.45% | +16.59 pp | $23.06B | +20% |
| Q1 2025 | 714 | +2.1% | 84.86% | +9.40 pp | $19.29B | +12% |
| Q4 2024 | 699 | +1.9% | 75.46% | 4.92 pp | $17.15B | 6.1% |
| Q3 2024 | 686 | +1.9% | 80.38% | +12.04 pp | $18.27B | +18% |
| Q2 2024 | 673 | — | 68.34% | — | $15.53B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying CMS stock.
Based on Q1 2026 13F filings, institutional ownership of CMS Energy Corporation stands at 92.5%, held across 786 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of CMS, with approximately 33,563,574 shares worth $2.60B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of CMS.
Our composite Smart Money Score for CMS is 47 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
114 institutions opened new positions in CMS during Q1 2026, while 111 fully exited. 547 added to existing positions and 120 trimmed.
CMS institutional ownership rose by 5.55 percentage points quarter-over-quarter, with a net change of +3 holders.
The top 10 institutions account for 50.6% of all reported 13F value in CMS, and the top 25 account for 72.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
CMS Energy Corporation (CMS) Institutional Ownership