| Horizon Active Asset Allocation Fund | Advisor Class | HASAX | — |
| Horizon Active Asset Allocation Fund | Institutional Class | HASIX | — |
| Horizon Active Asset Allocation Fund | Investor Class | AAANX | — |
| Horizon Active Risk Assist Fund | Advisor Class | ARAAX | — |
| Horizon Active Risk Assist Fund | Institutional Class | ACRIX | — |
| Horizon Active Risk Assist Fund | Investor Class | ARANX | — |
| Horizon Active Income Fund | Advisor Class | AIHAX | — |
| Horizon Active Income Fund | Institutional Class | AIRIX | — |
| Horizon Active Income Fund | Investor Class | AIMNX | — |
| Horizon Active Dividend Fund | Investor Class | HNDDX | — |
| Horizon Active Dividend Fund | Institutional Class | HIDDX | — |
| Horizon Active Dividend Fund | Advisor Class | HADUX | — |
| Horizon Defined Risk Fund | Investor Class | HNDRX | — |
| Horizon Defined Risk Fund | Institutional Class | HIDRX | — |
| Horizon Defined Risk Fund | Advisor Class | HADRX | — |
| Horizon ESG & Defensive Core Fund | Investor Class | HESGX | — |
| Horizon ESG & Defensive Core Fund | Institutional Class | HESIX | — |
| Horizon ESG & Defensive Core Fund | Advisor Class | HESAX | — |
| Horizon U.S. Defensive Equity Fund | Institutional Class | USRIX | — |
| Horizon U.S. Defensive Equity Fund | Investor Class | USRAX | — |
| Horizon U.S. Defensive Equity Fund | Advisor Class | USRTX | — |
| Horizon Tactical Fixed Income Fund | Institutional Class | HTFIX | — |
| Horizon Tactical Fixed Income Fund | Investor Class | HTFNX | — |
| Horizon Tactical Fixed Income Fund | Advisor Class | HTFAX | — |
| Horizon U.S. Defensive Small/Mid Cap Fund | Institutional Class | HSMIX | — |