CONSTELLATION ENERGY CORP CEG
COM · Common Stock · CUSIP 21037T109 · ISIN US21037T1097
- SectorUtilities
- IndustryElectric Services
- HeadquartersBaltimore, MD
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($290.0m this quarter). Holder counts are more reliable. Shares outstanding: 361.2m as of 2026-04-30, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $279.49. Options: 59 managers hold calls ($2.0bn notional), 58 hold puts ($2.5bn).
Trends to Q1 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 823 |
| Q4 2022 | 875 |
| Q1 2023 | 841 |
| Q2 2023 | 849 |
| Q3 2023 | 906 |
| Q4 2023 | 1,005 |
| Q1 2024 | 1,175 |
| Q2 2024 | 1,310 |
| Q3 2024 | 1,427 |
| Q4 2024 | 1,546 |
| Q1 2025 | 1,548 |
| Q2 2025 | 1,723 |
| Q3 2025 | 1,824 |
| Q4 2025 | 2,006 |
| Q1 2026 | 1,905 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 700 | 427 |
| Q3 2024 | 756 | 533 |
| Q4 2024 | 806 | 522 |
| Q1 2025 | 816 | 654 |
| Q2 2025 | 1,007 | 607 |
| Q3 2025 | 978 | 604 |
| Q4 2025 | 1,040 | 698 |
| Q1 2026 | 981 | 878 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $2.2bn | $3.0bn | 1.35 |
| Q3 2025 | $1.9bn | $2.7bn | 1.42 |
| Q4 2025 | $2.2bn | $3.0bn | 1.34 |
| Q1 2026 | $2.0bn | $2.5bn | 1.24 |
Biggest buyers
| ECP ControlCo, LLC | New | +22.0m |
| CANADA PENSION PLAN INVESTMENT BOARD | Added | +7.5m |
| Capital Research Global Investors | Added | +2.9m |
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +2.5m |
| Capital World Investors | Added | +1.6m |
| GOLDMAN SACHS GROUP INC | Added | +1.2m |
| GCM Grosvenor Holdings, LLC | New | +878.0k |
| MORGAN STANLEY | Added | +848.5k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Added | +660.5k |
| Public Sector Pension Investment Board | Added | +588.5k |
Biggest sellers
| Capital International Investors | Reduced | -5.2m |
| FMR LLC | Reduced | -4.2m |
| COATUE MANAGEMENT LLC | Reduced | -1.3m |
| VOYA INVESTMENT MANAGEMENT LLC | Reduced | -918.0k |
| Corient Private Wealth LP | Reduced | -849.4k |
| PointState Capital LP | Sold out | -827.6k |
| HSBC HOLDINGS PLC | Reduced | -708.2k |
| Nuveen, LLC | Reduced | -605.4k |
| Third Point LLC | Sold out | -475.0k |
| Munro Partners | Reduced | -429.2k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $591.1m2.1m shares |
| CITADEL ADVISORS LLC | Added | $279.1m999.5k shares |
| JANE STREET GROUP, LLC | Reduced | $187.7m672.0k shares |
| IMC-Chicago, LLC | Added | $97.3m348.3k shares |
| Electron Capital Partners, LLC | New | $89.4m320.0k shares |
| Caption Management, LLC | New | $77.3m276.7k shares |
| GROUP ONE TRADING LLC | Added | $75.3m269.8k shares |
| Walleye Trading LLC | Added | $70.2m251.4k shares |
| LMR Partners LLP | Added | $54.2m194.2k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $50.3m180.3k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $594.3m2.1m shares |
| JANE STREET GROUP, LLC | Added | $571.1m2.0m shares |
| CITADEL ADVISORS LLC | Added | $375.4m1.3m shares |
| IMC-Chicago, LLC | Added | $124.1m444.5k shares |
| UBS Group AG | Added | $84.4m302.1k shares |
| GOLDMAN SACHS GROUP INC | Added | $78.6m281.5k shares |
| MILLENNIUM MANAGEMENT LLC | Added | $76.6m274.4k shares |
| Caption Management, LLC | Added | $62.9m225.4k shares |
| GROUP ONE TRADING LLC | Reduced | $55.9m200.3k shares |
| Walleye Trading LLC | Added | $52.3m187.2k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 6.4% |
Fell to 5% or below in the last year: ECP ControlCo, LLC (4.0%, 2026-08-07), Capital International Investors (3.3%, 2026-05-14), VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q1 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 0 | — | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 1 | $1.2m | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 0 | — | 0 | — | — |
None reported in Q1 2026.
Holders, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.12% of their portfolio | 23.5m $6.6bn | Added +159.7k |
| ECP ControlCo, LLC 97.08% of their portfolio | 22.0m $6.2bn | New |
| VANGUARD CAPITAL MANAGEMENT LLC 0.14% of their portfolio | 20.1m $5.6bn | First filing |
| STATE STREET CORP 0.18% of their portfolio | 18.8m $5.2bn | Added +310.5k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.22% of their portfolio | 15.0m $4.2bn | First filing |
| Capital International Investors 0.76% of their portfolio | 11.6m $3.2bn | Reduced -5.2m |
| Invesco Ltd. 0.31% of their portfolio | 11.2m $3.1bn | Added +568.5k |
| FMR LLC 0.15% of their portfolio | 10.2m $2.8bn | Reduced -4.2m |
| MORGAN STANLEY 0.15% of their portfolio | 8.9m $2.5bn | Added +848.5k |
| CANADA PENSION PLAN INVESTMENT BOARD 1.38% of their portfolio | 7.7m $2.1bn | Added +7.5m |
| GEODE CAPITAL MANAGEMENT, LLC 0.13% of their portfolio | 7.3m $2.0bn | Added +225.0k |
| JENNISON ASSOCIATES LLC 1.27% of their portfolio | 6.6m $1.8bn | Reduced -375.8k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.18% of their portfolio | 5.5m $1.5bn | Added +2.5m |
| Capital Research Global Investors 0.21% of their portfolio | 4.8m $1.3bn | Added +2.9m |
| COATUE MANAGEMENT LLC 4.45% of their portfolio | 4.6m $1.3bn | Reduced -1.3m |
| WELLS FARGO & COMPANY/MN 0.24% of their portfolio | 4.3m $1.2bn | Added +165.9k |
| Capital World Investors 0.15% of their portfolio | 4.0m $1.1bn | Added +1.6m |
| Bank of New York Mellon Corp 0.19% of their portfolio | 3.6m $1.0bn | Added +276.1k |
| BANK OF AMERICA CORP /DE/ 0.06% of their portfolio | 3.2m $881.9m | Added +302.1k |
| NORTHERN TRUST CORP 0.11% of their portfolio | 3.1m $864.9m | Added +43.6k |
| GOLDMAN SACHS GROUP INC 0.11% of their portfolio | 3.0m $849.1m | Added +1.2m |
| VICTORY CAPITAL MANAGEMENT INC 0.42% of their portfolio | 2.3m $651.7m | Added +162.7k |
| FRANKLIN RESOURCES INC 0.16% of their portfolio | 2.3m $643.2m | Added +91.6k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.10% of their portfolio | 2.3m $638.1m | Added +59.2k |
| JPMORGAN CHASE & CO 0.04% of their portfolio | 2.1m $639.0m | Added +230.1k |
| UBS Group AG 0.10% of their portfolio | 2.1m $573.4m | Added +144.2k |
| Legal & General Group Plc 0.12% of their portfolio | 1.8m $514.6m | Added +52.6k |
| VANGUARD FIDUCIARY TRUST CO 0.12% of their portfolio | 1.8m $489.0m | First filing |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.09% of their portfolio | 1.6m $446.9m | Reduced -25.0k |
| ALKEON CAPITAL MANAGEMENT LLC 1.74% of their portfolio | 1.4m $383.9m | Added +3.5k |
| Amundi 0.10% of their portfolio | 1.3m $370.0m | Added +353.1k |
| VAN ECK ASSOCIATES CORP 0.27% of their portfolio | 1.3m $359.4m | Added +461.8k |
| NEUBERGER BERMAN GROUP LLC 0.27% of their portfolio | 1.3m $356.7m | Added +144.2k |
| NORDEA INVESTMENT MANAGEMENT AB 0.32% of their portfolio | 1.3m $342.3m | Added +110.7k |
| DEUTSCHE BANK AG\ 0.11% of their portfolio | 1.2m $343.1m | Added +558.3k |
| REAVES W H & CO INC 5.58% of their portfolio | 1.2m $336.1m | Added +69.6k |
| Nuveen, LLC 0.08% of their portfolio | 993.6k $277.4m | Reduced -605.4k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.09% of their portfolio | 981.2k $273.6m | Reduced -23.0k |
| BARCLAYS PLC 0.09% of their portfolio | 930.8k $259.9m | Reduced -34.5k |
| Swiss National Bank 0.15% of their portfolio | 903.9k $252.4m | Added +47.9k |
| Clearbridge Investments, LLC 0.22% of their portfolio | 897.3k $250.6m | Added +270.7k |
| Thrivent Financial for Lutherans 0.48% of their portfolio | 893.1k $249.4m | Added +508.4k |
| GCM Grosvenor Holdings, LLC 27.21% of their portfolio | 878.0k $245.2m | New |
| DIMENSIONAL FUND ADVISORS LP 0.05% of their portfolio | 839.3k $234.5m | Added +24.9k |
| 59 North Capital Management, LP 6.77% of their portfolio | 813.1k $227.1m | Added +229.6k |
| RAYMOND JAMES FINANCIAL INC 0.07% of their portfolio | 795.3k $222.2m | Added +320.2k |
| National Pension Service 0.17% of their portfolio | 792.0k $221.2m | Reduced -16.0k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.14% of their portfolio | 770.1k $215.0m | Added +42.2k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.35% of their portfolio | 768.5k $214.6m | Added +660.5k |
| AMERIPRISE FINANCIAL INC 0.05% of their portfolio | 726.6k $201.8m | Added +76.4k |
| Sumitomo Mitsui Trust Group, Inc. 0.13% of their portfolio | 725.3k $202.5m | Reduced -35.5k |
| Rubric Capital Management LP 2.45% of their portfolio | 715.0k $199.7m | Added +45.0k |
| ROYAL BANK OF CANADA 0.04% of their portfolio | 691.2k $193.0m | Reduced -339.0k |
| Vanguard Global Advisers, LLC 0.10% of their portfolio | 680.2k $189.9m | First filing |
| Public Sector Pension Investment Board 0.58% of their portfolio | 668.0k $186.5m | Added +588.5k |
| Railway Pension Investments Ltd 2.52% of their portfolio | 632.8k $176.7m | Added +86.0k |
| HSBC HOLDINGS PLC 0.10% of their portfolio | 629.2k $175.7m | Reduced -708.2k |
| ALLIANCEBERNSTEIN L.P. 0.07% of their portfolio | 577.0k $203.8m | Reduced -132.3k |
| California Public Employees Retirement System 0.10% of their portfolio | 568.5k $158.8m | Reduced -6.6k |
| Pictet Asset Management Holding SA 0.16% of their portfolio | 554.5k $154.9m | Reduced -53.6k |
| PRINCIPAL FINANCIAL GROUP INC 0.08% of their portfolio | 512.9k $143.2m | Added +35.7k |
| RHUMBLINE ADVISERS 0.12% of their portfolio | 510.1k $142.4m | Reduced -7.1k |
| ProShare Advisors LLC 0.21% of their portfolio | 509.5k $142.3m | Reduced -38.6k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.12% of their portfolio | 498.5k $139.2m | First filing |
| CITIGROUP INC 0.09% of their portfolio | 488.2k $136.3m | Added +187.3k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.19% of their portfolio | 476.6k $133.1m | Added +600 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.14% of their portfolio | 471.6k $131.7m | Reduced -17.2k |
| Aberdeen Group plc 0.20% of their portfolio | 449.9k $125.6m | Added +23.9k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.14% of their portfolio | 447.0k $124.8m | Added +150.3k |
| Caisse de depot et placement du Quebec 0.19% of their portfolio | 434.7k $121.4m | Added +64.4k |
| CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC 1.72% of their portfolio | 415.0k $115.9m | Added +191.5k |
| Russell Investments Group, Ltd. 0.12% of their portfolio | 409.8k $114.8m | Reduced -3.5k |
| CITADEL ADVISORS LLC 0.08% of their portfolio | 408.7k $114.1m | Added +130.2k |
| Southpoint Capital Advisors LP 2.30% of their portfolio | 400.0k $111.7m | Reduced -50.0k |
| TORTOISE CAPITAL ADVISORS, L.L.C. 1.15% of their portfolio | 396.8k $110.8m | Added +181.6k |
| LPL Financial LLC 0.03% of their portfolio | 394.2k $110.1m | Reduced -15.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.03% of their portfolio | 380.2k $106.2m | Added +8.4k |
| NATIONAL BANK OF CANADA /FI/ 0.11% of their portfolio | 379.0k $105.8m | Reduced -21.2k |
| Jasper Ridge Partners, L.P. 2.33% of their portfolio | 375.3k $104.8m | New |
| BESSEMER GROUP INC 0.16% of their portfolio | 355.2k $99.2m | Added +348.1k |
| Empower Advisory Group, LLC 0.26% of their portfolio | 355.1k $99.1m | Added +21.0k |
| DAVENPORT & Co LLC 0.54% of their portfolio | 346.2k $96.7m | Added +334.6k |
| AVIVA PLC 0.16% of their portfolio | 342.1k $95.5m | Added +6.9k |
| BANK OF MONTREAL /CAN/ 0.04% of their portfolio | 338.4k $94.5m | Reduced -54.1k |
| Assenagon Asset Management S.A. 0.15% of their portfolio | 333.0k $93.0m | Reduced -141.2k |
| Capital International, Inc./CA/ 0.72% of their portfolio | 332.9k $93.0m | Added +63.7k |
| AMERICAN CENTURY COMPANIES INC 0.05% of their portfolio | 328.6k $91.7m | Reduced -149.4k |
| SG Americas Securities, LLC 0.10% of their portfolio | 320.6k $89.5m | Added +45.8k |
| Ensign Peak Advisors, Inc 0.17% of their portfolio | 319.9k $89.3m | Added +871 |
| BROWN ADVISORY INC 0.15% of their portfolio | 317.4k $88.6m | Added +32.5k |
| Rockefeller Capital Management L.P. 0.15% of their portfolio | 308.9k $86.3m | Added +99.5k |
| VOYA INVESTMENT MANAGEMENT LLC 0.09% of their portfolio | 295.1k $82.0m | Reduced -918.0k |
| Mirae Asset Global Investments Co., Ltd. 0.23% of their portfolio | 291.9k $81.5m | Added +14.9k |
| DANSKE BANK A/S 0.20% of their portfolio | 291.1k $81.3m | Added +69.8k |
| WELLINGTON MANAGEMENT GROUP LLP 0.02% of their portfolio | 289.3k $80.8m | Added +108.6k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.10% of their portfolio | 288.4k $80.5m | Added +79.5k |
| Clark Capital Management Group, Inc. 0.50% of their portfolio | 288.0k $80.4m | Added +129.5k |
| River Road Asset Management, LLC 0.91% of their portfolio | 287.2k $80.2m | New |
| Korea Investment CORP 0.17% of their portfolio | 286.3k $80.0m | Reduced -64.8k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.12% of their portfolio | 279.2k $78.0m | Reduced -2.8k |