4 institutions reported holding $5.9M of PENNYMAC MTG INVT TR (PMTPRC) in SEC 13F filings for 2026-06-30. Largest institutional holders: SIMPLEX TRADING, LLC ($3.6M), IMC-Chicago, LLC ($1.1M), GROUP ONE TRADING LLC ($958,800), SUMMIT SECURITIES GROUP LLC ($222,216). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $3.6M | 318,300 | Added |
| 2 | IMC-Chicago, LLC | $1.1M | 98,500 | Added |
| 3 | GROUP ONE TRADING LLC | $958,800 | 85,000 | Added |
| 4 | SUMMIT SECURITIES GROUP LLC | $222,216 | 19,700 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30