Constellation Energy Corporation (CEG) Ownership
CEG ownership summary
as of October 17, 2026- Institutions
- 82.9% of shares outstanding
- Insiders
- 0.34% of shares outstanding
- Shares outstanding
- 354.3M
- Float
- 353.1M shares available to trade
- Short interest
- 3.74% 11.8M shares short
- Days to cover
- 4.04 short interest up 0.8% vs prior month
- Institutions 82.86%
- Insiders 0.34%
- Other investors 16.81%
CEG top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 6.93% | 24.6M | $6.66B | +1.0M (+4.5%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 5.94% | 21.0M | $5.71B | +898,805 (+4.5%) | June 30, 2026 |
| 3 | State Street Corp | 5.48% | 19.4M | $5.27B | +615,248 (+3.3%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 4.47% | 15.8M | $4.30B | +817,946 (+5.4%) | June 30, 2026 |
| 5 | ECP ControlCo, LLC | 4.06% | 14.4M | $3.90B | −7.7M (−34.8%) | June 30, 2026 |
| 6 | Capital Research & Mgmt Co - Division 3 | 3.57% | 12.7M | $3.43B | +1.0M (+9.0%) | June 30, 2026 |
| 7 | Amvescap Plc. | 3.14% | 11.1M | $3.01B | −107,192 (−1.0%) | June 30, 2026 |
| 8 | Morgan Stanley - Brokerage Accounts | 2.55% | 9.1M | $2.46B | +147,369 (+1.7%) | June 30, 2026 |
| 9 | Geode Capital Management, LLC | 2.12% | 7.5M | $2.04B | +223,853 (+3.1%) | June 30, 2026 |
| 10 | FMR Inc | 1.85% | 6.5M | $1.77B | −3.6M (−35.8%) | June 30, 2026 |
| 11 | Capital Research Global Investors | 1.62% | 5.8M | $1.56B | +962,158 (+20.1%) | June 30, 2026 |
| 12 | Jennison Associates LLC | 1.56% | 5.5M | $1.50B | −1.1M (−16.1%) | June 30, 2026 |
| 13 | Canada Pension Plan Investment Board | 1.41% | 5.0M | $1.36B | −2.7M (−34.7%) | June 30, 2026 |
| 14 | Coatue Management LLC | 1.31% | 4.6M | $1.26B | — | June 30, 2026 |
| 15 | Wells Fargo & Co | 1.27% | 4.5M | $1.22B | +183,200 (+4.2%) | June 30, 2026 |
| 16 | Capital World Investors | 1.25% | 4.4M | $1.20B | +461,080 (+11.6%) | June 30, 2026 |
| 17 | NORGES BANK | 1.20% | 4.3M | $1.16B | +124,172 (+3.0%) | June 30, 2026 |
| 18 | T. Rowe Price Associates, Inc. | 1.19% | 4.2M | $1.14B | −1.3M (−22.9%) | June 30, 2026 |
| 19 | Bank of New York Mellon Corp | 1.08% | 3.8M | $1.03B | +180,481 (+5.0%) | June 30, 2026 |
| 20 | The Goldman Sachs Group Inc | 0.96% | 3.4M | $920.8M | +352,751 (+11.6%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 7.1M shares and 6 cut 16.4M.
CEG top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.91% | 10.3M | $2.80B | −20,304 (−0.2%) | August 31, 2026 |
| 2 | Vanguard 500 Index Investor | 2.40% | 8.5M | $2.30B | +100,555 (+1.2%) | August 31, 2026 |
| 3 | Invesco QQQ Trust | 2.09% | 7.4M | $2.01B | −12,078 (−0.2%) | September 30, 2026 |
| 4 | American Funds Washington Mutual A | 2.08% | 7.4M | $2.00B | +401,324 (+5.7%) | June 30, 2026 |
| 5 | Vanguard MStar Mid Cap Index Instl | 1.98% | 7.0M | $1.90B | −3,752 (−0.1%) | August 31, 2026 |
| 6 | State Street®UtilSelSectSPDR®ETF | 1.60% | 5.7M | $1.54B | +58,275 (+1.0%) | September 30, 2026 |
| 7 | iShares Core S&P 500 ETF | 1.24% | 4.4M | $1.19B | −7,067 (−0.2%) | September 30, 2026 |
| 8 | American Funds Growth Fd of Amer A | 1.20% | 4.3M | $1.16B | +318,947 (+8.1%) | June 30, 2026 |
| 9 | Fidelity 500 Index | 1.17% | 4.1M | $1.13B | +15,938 (+0.4%) | August 31, 2026 |
| 10 | State Street® SPDR® S&P 500® ETF | 1.14% | 4.0M | $1.10B | — | September 30, 2026 |
| 11 | Vanguard MStar Value Index Investor | 0.88% | 3.1M | $841.4M | +12,238 (+0.4%) | August 31, 2026 |
| 12 | American Funds American Mutual A | 0.87% | 3.1M | $833.1M | +418,362 (+15.8%) | June 30, 2026 |
| 13 | American Funds Fundamental Invs A | 0.72% | 2.6M | $696.9M | +559,083 (+27.8%) | June 30, 2026 |
| 14 | Vanguard MStar Mid Cap Growth ETF | 0.70% | 2.5M | $676.0M | +11,622 (+0.5%) | August 31, 2026 |
| 15 | Vanguard Utilities ETF | 0.61% | 2.2M | $584.3M | +32,673 (+1.5%) | August 31, 2026 |
| 16 | Vanguard Institutional Index I | 0.48% | 1.7M | $463.8M | −15,992 (−0.9%) | August 31, 2026 |
| 17 | Invesco NASDAQ 100 ETF | 0.46% | 1.6M | $442.0M | +3,780 (+0.2%) | September 30, 2026 |
| 18 | Victory Pioneer A | 0.34% | 1.2M | $331.4M | −16,442 (−1.3%) | August 31, 2026 |
| 19 | VanEck Uranium & Nuclear ETF | 0.32% | 1.1M | $309.5M | — | September 30, 2026 |
| 20 | iShares Global Infrastructure ETF | 0.28% | 981K | $266.2M | +37,792 (+4.0%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
CEG insider transactions
latest 15| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-19 | Ro Khanna | Buy | $316.47 | — | — |
| 2026-02-19 | Ro Khanna | Buy | $291.66 | — | — |
| 2026-02-05 | Ro Khanna | Buy | $247.06 | — | — |
| 2025-10-31 | Lisa C. McClain | Sell | $376.93 | — | — |
| 2025-10-30 | Lisa C. McClain | Buy | $382.48 | — | — |
| 2025-10-30 | Lisa C. McClain | Sell | $382.48 | — | — |
| 2025-06-27 | Ro Khanna | Buy | $320.17 | — | — |
| 2025-05-12 | Jefferson Shreve | Sell | $285.28 | — | — |
| 2025-05-08 | Jefferson Shreve | Buy | $270.59 | — | — |
| 2025-04-01 | Julie Johnson | Sell | $206.94 | — | — |
| 2025-03-31 | Jefferson Shreve | Sell | $201.63 | — | — |
| 2025-03-26 | Shelley Moore Capito | Buy | $216.97 | — | — |
| 2025-02-12 | Julie Johnson | Buy | $313.80 | — | — |
| 2025-02-04 | Shelley Moore Capito | Buy | $306.33 | — | — |
| 2024-01-20 | Balmann Yves C De | Sell | $82.23 | 79 | $6,496 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
CEG shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns CEG
Institutional investors own 82.9% of Constellation Energy's shares and insiders 0.34%. The largest holder is BlackRock Inc with 6.93% of the shares (24.6M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 6 reduced their stake in the latest filings. Short interest is 3.74% of the float, or 4.04 days of average trading volume. The share count fell 3.8% since 2014.
Related: CEG analyst forecast, CEG key metrics, CEG dividend history. See the CEG stock overview for the latest quote and news.
CEG ownership FAQ
Who owns the most Constellation Energy stock?
The largest shareholders of Constellation Energy are BlackRock Inc (6.93%), Vanguard Capital Management, LLC (5.94%), State Street Corp (5.48%), Vanguard Portfolio Management, LLC (4.47%), ECP ControlCo, LLC (4.06%).
What percentage of Constellation Energy is owned by institutions?
Institutions hold 82.9% of Constellation Energy's shares outstanding; insiders hold 0.34%.
Which funds own Constellation Energy?
The largest fund holders of Constellation Energy are Vanguard MStar Total Stk Mkt Idx Invest (2.91%), Vanguard 500 Index Investor (2.40%), Invesco QQQ Trust (2.09%), American Funds Washington Mutual A (2.08%), Vanguard MStar Mid Cap Index Instl (1.98%).
What is Constellation Energy's short interest?
11.8M shares of Constellation Energy were sold short, 3.74% of the float; at the average daily volume it would take 4.04 days to cover.
Are insiders buying or selling Constellation Energy?
Of the latest 15 reported insider transactions in Constellation Energy (since January 20, 2024), 9 were purchases and 6 were sales.
How many shares of Constellation Energy are outstanding?
Constellation Energy has 354.3M shares outstanding, of which 353.1M are in the public float.