Hoegh LNG Holdings' (HLNG) bid to take over Hoegh LNG Partners (HMLP) is a sign of commitment from the controlling owners, but "substantial" capital will need to be raised, Fearnley Securities believes.

Family-owned Hoegh LNG Holdings made a $139m offer to its US-listed master limited partnership (MLP) on Monday.

The deal is priced at $4.25