8 institutions reported holding $44.9M of EXELON CORP (EXCU) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($14.9M), IMC-Chicago, LLC ($11.3M), SIMPLEX TRADING, LLC ($9.8M), SUMMIT SECURITIES GROUP LLC ($4.7M), CIBC Bancorp USA Inc. ($2.2M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $14.9M | 319,100 | Added |
| 2 | IMC-Chicago, LLC | $11.3M | 242,700 | Added |
| 3 | SIMPLEX TRADING, LLC | $9.8M | 209,400 | Added |
| 4 | SUMMIT SECURITIES GROUP LLC | $4.7M | 100,000 | Added |
| 5 | CIBC Bancorp USA Inc. | $2.2M | 47,000 | New |
| 6 | JPMORGAN CHASE & CO | $2.1M | 44,500 | Hold |
| 7 | SG Americas Securities, LLC | $0 | 0 | Exited |
| 8 | Maven Securities LTD | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30