| Harbor Target Retirement Income Fund | Institutional Class | — | Yes |
| Harbor Target Retirement Income Fund | Administrative Class | — | Yes |
| Harbor Target Retirement Income Fund | Investor Class | — | Yes |
| Harbor Target Retirement 2050 Fund | Institutional Class | — | Yes |
| Harbor Target Retirement 2050 Fund | Administrative Class | — | Yes |
| Harbor Target Retirement 2050 Fund | Investor Class | — | Yes |
| Harbor Target Retirement 2010 Fund | Institutional Class | — | Yes |
| Harbor Target Retirement 2010 Fund | Administrative Class | — | Yes |
| Harbor Target Retirement 2010 Fund | Investor Class | — | Yes |
| Harbor Target Retirement 2015 Fund | Institutional Class | — | Yes |
| Harbor Target Retirement 2015 Fund | Administrative Class | — | Yes |
| Harbor Target Retirement 2015 Fund | Investor Class | — | Yes |
| Harbor Target Retirement 2020 Fund | Institutional Class | — | Yes |
| Harbor Target Retirement 2020 Fund | Administrative Class | — | Yes |
| Harbor Target Retirement 2020 Fund | Investor Class | — | Yes |
| Harbor Target Retirement 2025 Fund | Institutional Class | — | Yes |
| Harbor Target Retirement 2025 Fund | Administrative Class | — | Yes |
| Harbor Target Retirement 2025 Fund | Investor Class | — | Yes |
| Harbor Target Retirement 2030 Fund | Institutional Class | — | Yes |
| Harbor Target Retirement 2030 Fund | Administrative Class | — | Yes |
| Harbor Target Retirement 2030 Fund | Investor Class | — | Yes |
| Harbor Target Retirement 2035 Fund | Institutional Class | — | Yes |
| Harbor Target Retirement 2035 Fund | Administrative Class | — | Yes |
| Harbor Target Retirement 2035 Fund | Investor Class | — | Yes |
| Harbor Target Retirement 2040 Fund | Institutional Class | — | Yes |