4 institutions reported holding $375,333 of SPINNAKER ETF SERIES (QIDX) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUSQUEHANNA INTERNATIONAL GROUP, LLP ($309,833), JPMORGAN CHASE & CO ($59,604), UBS Group AG ($5,896), GTS SECURITIES LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $309,833 | 26,328 | Trimmed |
| 2 | JPMORGAN CHASE & CO | $59,604 | 5,085 | New |
| 3 | UBS Group AG | $5,896 | 501 | Added |
| 4 | GTS SECURITIES LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30