3 institutions reported holding $318,240 of GLADSTONE LD CORP (LANDP) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($132,600), IMC-Chicago, LLC ($125,460), GROUP ONE TRADING LLC ($60,180). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $132,600 | 13,000 | Trimmed |
| 2 | IMC-Chicago, LLC | $125,460 | 12,300 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $60,180 | 5,900 | Added |
Source: SEC Form 13F filings · as of 2026-03-31