8 institutions reported holding $29.7M of AES CORP (AESC) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($10.3M), HRT FINANCIAL LP ($8.8M), SIMPLEX TRADING, LLC ($8.0M), IMC-Chicago, LLC ($2.3M), Pacer Advisors, Inc. ($128,642). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $10.3M | 729,500 | Trimmed |
| 2 | HRT FINANCIAL LP | $8.8M | 628,100 | Added |
| 3 | SIMPLEX TRADING, LLC | $8.0M | 568,000 | Trimmed |
| 4 | IMC-Chicago, LLC | $2.3M | 164,900 | Trimmed |
| 5 | Pacer Advisors, Inc. | $128,642 | 130,000 | Added |
| 6 | JPMORGAN CHASE & CO | $92,532 | 6,600 | New |
| 7 | SUMMIT SECURITIES GROUP LLC | $1,409 | 100 | New |
| 8 | SG Americas Securities, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31