4 institutions reported holding $718,655 of SPINNAKER ETF SERIES (RILA) in SEC 13F filings for 2026-03-31. Largest institutional holders: GTS SECURITIES LLC ($523,614), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($195,031), WELLS FARGO & COMPANY/MN ($10), UBS Group AG ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GTS SECURITIES LLC | $523,614 | 50,396 | New |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $195,031 | 18,771 | Trimmed |
| 3 | WELLS FARGO & COMPANY/MN | $10 | 1 | Hold |
| 4 | UBS Group AG | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31