Companhia Energética de Minas Gerais
Companhia Energética de Minas Gerais (CIG) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · CIG · as of Sep 30, 2025
Ownership Breakdown
185
Institutional Holders
▲ 9 vs Q2
$290.97M
Total Inst. Value
▲ $9.99M vs Q2
2.86B
Shares Outstanding
freeFloat 82.96%
137.13M
13F Shares Held
▼ 4.68M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
CIG largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. electric services | 19.03M | 66.54% | 66.54% | $40.16B | Nov 12, 2025 | ▲ 846.1K |
STATE STREET CORP electric services | 13.70M | 47.89% | 47.89% | $30.68B | Nov 14, 2025 | ▲ 37.3K |
VANGUARD GROUP INC electric services | 13.10M | 45.79% | 45.79% | $27.64B | Nov 7, 2025 | — held |
GOLDMAN SACHS GROUP INC electric services | 9.76M | 34.13% | 34.13% | $20.60B | Nov 14, 2025 | ▼ 436.4K |
TSP CAPITAL MANAGEMENT GROUP, LLC electric services | 9.13M | 31.91% | 31.91% | $19.26B | Oct 22, 2025 | ▼ 3.0K |
RENAISSANCE TECHNOLOGIES LLC electric services | 8.27M | 28.93% | 28.93% | $17.46B | Nov 13, 2025 | ▲ 928.3K |
MANGROVE PARTNERS electric services | 4.60M | 16.08% | 16.08% | $9.71B | Nov 14, 2025 | — held |
AMERICAN CENTURY COMPANIES INC electric services | 4.49M | 15.69% | 15.69% | $9.47B | Nov 12, 2025 | ▲ 719.0K |
CROSSMARK GLOBAL HOLDINGS, INC. electric services | 4.00M | 13.97% | 13.97% | $8.43B | Nov 12, 2025 | ▼ 173.1K |
MORGAN STANLEY electric services | 3.88M | 13.58% | 13.58% | $8.20B | May 27, 2026 | ▼ 1.25M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
23
Increased
+6.66M shares0
New Positions
first time holders19
Decreased
−10.01M shares0
Sold Out
fully exitedNet shares change (top 50)
3.35M
+6.66M / −10.01M
Net new holders
+4
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
CIG insider trading · insider activity
Source: SEC Form 4
Recent Insider Transactions
Showing 10 most recent · Common Stock only
No recent insider transactions reported.
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Companhia Energética de Minas Gerais (CIG) is primarily owned by institutional investors, who hold approximately 4.8% of total shares outstanding. Company insiders own approximately 17.04%, while retail and public investors account for the remaining 78.16%.
The largest institutional shareholder of Companhia Energética de Minas Gerais is BLACKROCK, INC., holding approximately 19.03 million shares — equal to 66.54% of outstanding shares — as of September 30, 2025.
A total of 185 institutional investors currently hold CIG stock, with a combined institutional value of approximately $290,966,986 as of the most recent 13F filing period.
Frequently asked questions
CIG ownershipCompanhia Energética de Minas Gerais (CIG) is primarily owned by institutional investors, who hold approximately 4.8% of shares. The largest shareholder is BLACKROCK, INC. with a 66.54% stake. Company insiders hold 17.04%. Data sourced from SEC Form 13F as of September 30, 2025.