| Description | Shares | Value | |||
| Long-Term Investments 110.6% | |||||
| Common Stocks 54.3% | |||||
| Independent Power Producers & Energy Traders 2.8% | |||||
| Talen Energy Corp.* | 44,436 | $6,648,070 | |||
| Vistra Corp. | 118,841 | 10,152,587 | |||
| 16,800,657 | |||||
| Oil & Gas Equipment & Services 1.5% | |||||
| Kodiak Gas Services, Inc. | 325,044 | 9,019,971 | |||
| Oil & Gas Refining & Marketing 1.0% | |||||
| Valero Energy Corp. | 40,929 | 6,005,512 | |||
| Oil & Gas Storage & Transportation 49.0% | |||||
| Antero Midstream Corp. | 452,335 | 6,726,221 | |||
| Cheniere Energy, Inc. | 216,120 | 40,038,391 | |||
| DT Midstream, Inc. | 193,067 | 15,173,136 | |||
| EnLink Midstream LLC, UTS* | 1,355,126 | 19,459,609 | |||
| Keyera Corp. (Canada) | 239,780 | 7,182,813 | |||
| Kinder Morgan, Inc. | 155,713 | 3,358,729 | |||
| Kinetik Holdings, Inc. | 462,148 | 20,445,428 | |||
| ONEOK, Inc. | 378,845 | 34,990,124 | |||
| Pembina Pipeline Corp. (Canada) | 170,761 | 6,878,253 | |||
| Targa Resources Corp. | 507,691 | 74,579,808 | |||
| TC Energy Corp. (Canada) | 462,009 | 21,399,178 | |||
| Williams Cos., Inc. (The) | 962,358 | 44,047,126 | |||
| 294,278,816 | |||||
| Total Common Stocks (cost $204,896,607) | 326,104,956 | ||||
| Master Limited Partnerships 56.3% | |||||
| Oil & Gas Equipment & Services 0.9% | |||||
| USA Compression Partners LP | 239,675 | 5,395,084 | |||
| Oil & Gas Storage & Transportation 55.4% | |||||
| Energy Transfer LP | 4,409,703 | 70,996,218 | |||
| Enterprise Products Partners LP | 1,990,164 | 58,391,412 | |||
| Hess Midstream LP (Class A Stock) | 436,276 | 16,294,909 | |||
| MPLX LP | 1,416,928 | 60,757,873 | |||
| Plains All American Pipeline LP | 374,713 | 6,722,351 | |||
| Description | Shares | Value | |||
| Master Limited Partnerships (Continued) | |||||
| Oil & Gas Storage & Transportation (cont’d.) | |||||
| Plains GP Holdings LP (Class A Stock)* | 2,714,541 | $52,119,187 | |||
| Western Midstream Partners LP | 1,746,247 | 67,370,209 | |||
| 332,652,159 | |||||
| Total Master Limited Partnerships (cost $207,619,061) | 338,047,243 | ||||
| Total Long-Term Investments (cost $412,515,668) | 664,152,199 | ||||
| Short-Term Investment 0.6% | |||||
| Affiliated Mutual Fund | |||||
| PGIM Core Government Money Market Fund (7-day effective yield 5.562%) (cost $3,419,465)(wb) | 3,419,465 | 3,419,465 | |||
| TOTAL INVESTMENTS 111.2% (cost $415,935,133) | 667,571,664 | ||||
| Liabilities in excess of other assets (11.2)% | (67,258,258) | ||||
| Net Assets 100.0% | $600,313,406 | ||||
| Below is a list of the abbreviation(s) used in the quarterly schedule of portfolio holdings: |
| LP—Limited Partnership | |
| UTS—Unit Trust Security |
| * | Non-income producing security. |
| (wb) | Represents an investment in a Fund affiliated with the Manager. |
