3 institutions reported holding $2.3M of 2023 ETF SERIES TRUST (NFRX) in SEC 13F filings for 2026-06-30. Largest institutional holders: JANE STREET GROUP, LLC ($994,579), CITADEL ADVISORS LLC ($646,028), GTS SECURITIES LLC ($632,963). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $994,579 | 37,135 | Trimmed |
| 2 | CITADEL ADVISORS LLC | $646,028 | 24,121 | Trimmed |
| 3 | GTS SECURITIES LLC | $632,963 | 23,633 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30