Marlin Midstream Partners LP, a Spark Energy-affiliated LP formed to own midstream energy assets, raised $138 million by offering 6.9 million shares at $20, the midpoint of the range of $19 to $21. The LP had originally planned to offer 6.3 million shares. Marlin Midstream Partners LP plans to list on the NASDAQ under the symbol FISH. Marlin Midstream Partners LP initially filed confidentially on 5/3/2013. Stifel, Baird and Oppenheimer & Co. acted as lead managers on the deal.