3 institutions reported holding $1.1M of REGENCY CTRS CORP (REG-PF) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($829,296), SIMPLEX TRADING, LLC ($215,297), GROUP ONE TRADING LLC ($15,948). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $829,296 | 10,400 | New |
| 2 | SIMPLEX TRADING, LLC | $215,297 | 2,700 | Added |
| 3 | GROUP ONE TRADING LLC | $15,948 | 200 | New |
Source: SEC Form 13F filings · as of 2026-06-30