2 institutions reported holding $405,453 of HARBOR ETF TRUST (TEC) in SEC 13F filings for 2026-06-30. Largest institutional holders: GTS SECURITIES LLC ($405,419), UBS Group AG ($34). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GTS SECURITIES LLC | $405,419 | 12,070 | Trimmed |
| 2 | UBS Group AG | $34 | 1 | Trimmed |
Source: SEC Form 13F filings · as of 2026-06-30