10 institutions reported holding $8.7M of OCEAN PARK DOMESTIC ETF (DUKQ) in SEC 13F filings for 2026-03-31. Largest institutional holders: Sigma Planning Corp ($6.0M), Cambridge Investment Research Advisors, Inc. ($1.9M), MML INVESTORS SERVICES, LLC ($527,963), COMMONWEALTH EQUITY SERVICES, LLC ($286,290), UBS Group AG ($4,477). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Sigma Planning Corp | $6.0M | 220,047 | Added |
| 2 | Cambridge Investment Research Advisors, Inc. | $1.9M | 70,519 | Trimmed |
| 3 | MML INVESTORS SERVICES, LLC | $527,963 | 19,460 | Hold |
| 4 | COMMONWEALTH EQUITY SERVICES, LLC | $286,290 | 10,552 | Trimmed |
| 5 | UBS Group AG | $4,477 | 165 | Trimmed |
| 6 | OSAIC HOLDINGS, INC. | $4,070 | 150 | Hold |
| 7 | HARBOUR INVESTMENTS, INC. | $2,686 | 99 | Hold |
| 8 | LPL Financial LLC | $0 | 0 | Exited |
| 9 | Orion Porfolio Solutions, LLC | $0 | 0 | Exited |
| 10 | Kestra Advisory Services, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31