3 institutions reported holding $1.4M of SPINNAKER ETF SERIES (FMDG) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($1.2M), SIMPLEX TRADING, LLC ($130,758), GROUP ONE TRADING LLC ($54,834). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $1.2M | 29,400 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $130,758 | 3,100 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $54,834 | 1,300 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30