3 institutions reported holding $487,863 of BRANDYWINE RLTY TR (BDN-PE) in SEC 13F filings for 2026-06-30. Largest institutional holders: SIMPLEX TRADING, LLC ($395,933), IMC-Chicago, LLC ($90,979), GROUP ONE TRADING LLC ($951). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $395,933 | 124,900 | Trimmed |
| 2 | IMC-Chicago, LLC | $90,979 | 28,700 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $951 | 300 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30