Plains GP Holdings, LP, which owns the GP and a portion of the LP in Plains All American Pipeline LP (NYSE: PAA), a transportation, storage and terminaling firm for oil and natural gas products, filed on Monday with the SEC to raise up to $1 billion in an initial public offering. The Houston, TX-based company, which was founded in 2013, plans to list on the NYSE under the symbol PAGP. Barclays is the only bookrunner listed in the initial filing. No pricing terms were disclosed.