3 institutions reported holding $721,738 of ADVISORS SER TR (PZIV) in SEC 13F filings for 2026-06-30. Largest institutional holders: CITADEL ADVISORS LLC ($436,039), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($274,379), UBS Group AG ($11,320). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $436,039 | 15,485 | New |
| 2 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $274,379 | 9,744 | New |
| 3 | UBS Group AG | $11,320 | 402 | New |
Source: SEC Form 13F filings · as of 2026-06-30