3 institutions reported holding $8.1M of ARMOUR RESIDENTIAL REIT INC (ARR-PA) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($5.0M), GROUP ONE TRADING LLC ($1.6M), SIMPLEX TRADING, LLC ($1.4M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $5.0M | 288,700 | Added |
| 2 | GROUP ONE TRADING LLC | $1.6M | 91,500 | Added |
| 3 | SIMPLEX TRADING, LLC | $1.4M | 81,500 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30