| Oppenheimer SteelPath MLP Select 40 Fund | Class A Shares | MLPFX | — |
| Oppenheimer SteelPath MLP Select 40 Fund | Class Y Shares | MLPTX | — |
| Oppenheimer SteelPath MLP Select 40 Fund | Class W Shares | MLPYX | — |
| Oppenheimer SteelPath MLP Select 40 Fund | Class C Shares | MLPEX | — |
| Oppenheimer SteelPath MLP Select 40 Fund | Class I Shares | OSPSX | — |
| Oppenheimer SteelPath MLP Alpha Fund | Class A Shares | MLPAX | — |
| Oppenheimer SteelPath MLP Alpha Fund | Class Y Shares | MLPOX | — |
| Oppenheimer SteelPath MLP Alpha Fund | Class C Shares | MLPGX | — |
| Oppenheimer SteelPath MLP Alpha Fund | Class I Shares | OSPAX | — |
| Oppenheimer SteelPath MLP Income Fund | Class A Shares | MLPDX | — |
| Oppenheimer SteelPath MLP Income Fund | Class Y Shares | MLPZX | — |
| Oppenheimer SteelPath MLP Income Fund | Class C Shares | MLPRX | — |
| Oppenheimer SteelPath MLP Income Fund | Class I Shares | OSPMX | — |
| Oppenheimer SteelPath MLP Alpha Plus Fund | Class A Shares | MLPLX | — |
| Oppenheimer SteelPath MLP Alpha Plus Fund | Class C Shares | MLPMX | — |
| Oppenheimer SteelPath MLP Alpha Plus Fund | Class Y Shares | MLPNX | — |
| Oppenheimer SteelPath MLP Alpha Plus Fund | Class I Shares | OSPPX | — |
| Oppenheimer SteelPath MLP and Infrastructure Debt Fund | Class A Shares | MLPUX | — |
| Oppenheimer SteelPath MLP and Infrastructure Debt Fund | Class C Shares | MLPVX | — |
| Oppenheimer SteelPath MLP and Infrastructure Debt Fund | Class Y Shares | MLPWX | — |
| Oppenheimer SteelPath MLP and Infrastructure Debt Fund | Class I Shares | OSPDX | — |