Constellation Energy
Generates and sells nuclear, natural gas, geothermal and renewable power across competitive U.S. markets.
$277.11
After-hours close+0.35 (+0.13%)
At close$276.76(−2.00%)
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Breakdown13F · Form 4
Institutions 113.72%Insiders 0.20%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 359.10M · Float 337.75M · 94.1% free float
Institutions13F, as of Jun 30, 2026
1,965 holders · 408.37M shares · 182 new positions · 1,000 increased · 610 reduced · 236 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 24.56M | 6.84% | +1.05M | Aug 7, 2026 |
| Vanguard Capital Management LLC | 21.04M | 5.86% | +898.8K | Aug 13, 2026 |
| State Street Corp | 19.41M | 5.41% | +615.2K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 15.83M | 4.41% | +817.9K | Aug 13, 2026 |
| Ecp Controlco, LLC | 14.37M | 4.00% | −7.67M | Aug 14, 2026 |
| Capital International Investors | 12.66M | 3.52% | +1.05M | Aug 12, 2026 |
| Invesco Ltd. | 11.11M | 3.09% | +3.51M | Aug 14, 2026 |
| Morgan Stanley | 9.05M | 2.52% | +147.4K | Aug 13, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Vanguard Capital Management | 6.39% | 23.17M | 13G | Apr 29, 2026 ↗ |
| ECP ControlCo, LLC | 6.10% | 22.04M | 13G | Jan 14, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Andrew R. Novotny | officer: See Remarks | 298.9K | 0.08% | Jan 9, 2026 |
| Joseph Dominguez | director, officer: President & CEO | 121.4K | 0.03% | Feb 11, 2026 |
| Bryan Craig Hanson | officer: EVP & Chief Generation Officer | 65.6K | 0.02% | Feb 11, 2026 |
| James Mchugh | officer: EVP & Chief Commercial Officer | 57.6K | 0.02% | Feb 11, 2026 |
| Michael Koehler | officer: EVP & Chief Admin Officer | 53.3K | 0.01% | Mar 2, 2026 |
| Kathleen Barron | officer: EVP & Chief Strategy Officer | 39.7K | 0.01% | Oct 31, 2025 |
| Daniel L. Eggers | officer: EVP & CFO | 33.0K | 0.01% | Feb 11, 2026 |
| David O. Dardis | officer: EVP & General Counsel | 27.8K | 0.01% | Feb 11, 2026 |
| Matthew N. Bauer | officer: SVP & Controller | 5.7K | 0.00% | Feb 11, 2026 |
| Shane Patrick Smith | officer: EVP & Chief Financial Officer | 3.7K | 0.00% | Feb 11, 2026 |
1 ten-percent owner holds 500.0K shares by Form 4, outside the officers-and-directors figure above · 6 people have not refiled in the last 18 months (39.5K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 11, 2026 | Roger W. Crandalldirector | Purchase | 1,500 | $278.62 | 1,693 |
CongressHouse and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Sen. John Boozman · AR | Purchase | $1,001 – $15,000 | Joint | Jun 12, 2026 | Jul 13, 2026 ↗ |
| Sen. John Boozman · AR | Purchase | $1,001 – $15,000 | Joint | Apr 2, 2026 | May 8, 2026 ↗ |
| Sen. Shelley Moore Capito · WV | Sale | $1,001 – $15,000 | Spouse | Apr 17, 2026 | May 7, 2026 ↗ |
| Sen. Mark Warner · VA | Purchase | $1,001 – $15,000 | Joint | Apr 13, 2026 | May 1, 2026 ↗ |