3 institutions reported holding $292,086 of STAG INDUSTRIAL INC (STAG-PA) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($205,542), SIMPLEX TRADING, LLC ($82,938), GROUP ONE TRADING LLC ($3,606). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $205,542 | 5,700 | New |
| 2 | SIMPLEX TRADING, LLC | $82,938 | 2,300 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $3,606 | 100 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31