For instance, the Global X MLP & Energy Infrastructure ETF (NYSEArca: MLPX) has a 24% weight in MLPs, 15% allocation in infrastructure companies and 61% allocated to MLP affiliates, or GPs. MLPX is up 2.9% year-to-date.

The Alerian Energy Infrastructure ETF (NYSEArca: ENFR) has around 30% in US MLP affiliates and about 10% in Canadian MLP affiliates. ENFR is up 1.3% year-to-date.

The actively managed First Trust North American Energy Infrastructure Fund (NYSEArca: EMLP) also includes expsoure to MLP affiliates, along with other energy infrastructure related companies in Northern America. EMLP is up 1.8% year-to-date.

For more information on the energy sector, visit our energy category.

Max Chen contributed to this article.