Constellation Energy Corp
CEG- Exchange
- Nasdaq
- Industry
- Electric Services
- SEC CIK
- 0001868275
In the last 90 days, Constellation Energy Corp insiders filed 1 open-market purchase and 0 sales; 1,866 institutions reported holding it in 13F filings for Q2 2026, worth $71.4B in total; superinvestors Coatue Management and Soros Fund Management hold it.
Holders of 5% or more of CEG
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Constellation Energy Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| ECP ControlCo, LLC | 13G | 6.10%22.0M shares | New | Jan 14, 20261 filing | Jan 14, 2026 | SEC |
| Capital International Investors | 13G/A | 5.50%17.2M shares | – | Feb 13, 20261 filing | Feb 13, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
4 Schedule 13D and 13G filings on Constellation Energy Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20265:42 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 13, 20264:30 PM ET | Capital International Investors | 13G/A | 5.50%17.2M shares | – | Dec 31, 2025 | SEC |
| Jan 14, 20264:30 PM ET | ECP ControlCo, LLCand 16 others | 13G | 6.10%22.0M shares | New | Jan 7, 2026 | SEC |
| Feb 12, 20259:28 AM ET | FMR LLCand 1 other | 13G/A | 4.60%14.3M shares | –Below 5% | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Constellation Energy Corp shares.
No Form 144 notices for Constellation Energy Corp are on file.