10 institutions reported holding $12.0M of HARBOR ETF TRUST (MEDI) in SEC 13F filings for 2026-03-31. Largest institutional holders: COMMONWEALTH EQUITY SERVICES, LLC ($6.0M), Pinnacle Financial Partners, Inc. ($3.5M), OSAIC HOLDINGS, INC. ($610,489), CITADEL ADVISORS LLC ($528,846), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($413,813). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | COMMONWEALTH EQUITY SERVICES, LLC | $6.0M | 206,037 | Trimmed |
| 2 | Pinnacle Financial Partners, Inc. | $3.5M | 119,398 | Added |
| 3 | OSAIC HOLDINGS, INC. | $610,489 | 20,825 | Added |
| 4 | CITADEL ADVISORS LLC | $528,846 | 18,040 | Added |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $413,813 | 14,116 | New |
| 6 | GTS SECURITIES LLC | $360,428 | 12,295 | Trimmed |
| 7 | TRUIST FINANCIAL CORP | $334,750 | 11,419 | New |
| 8 | Private Advisor Group, LLC | $219,863 | 7,500 | New |
| 9 | Steward Partners Investment Advisory, LLC | $9,674 | 330 | Added |
| 10 | Waverly Advisors, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31