5 institutions reported holding $101.0M of AMERICAN ELEC PWR CO INC (AEPPL) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($82.6M), SIMPLEX TRADING, LLC ($13.2M), GROUP ONE TRADING LLC ($5.1M), Park Place Capital Corp ($26,363), SG Americas Securities, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $82.6M | 603,900 | Added |
| 2 | SIMPLEX TRADING, LLC | $13.2M | 96,700 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $5.1M | 37,100 | Trimmed |
| 4 | Park Place Capital Corp | $26,363 | 25,000 | New |
| 5 | SG Americas Securities, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30