There's also FX Concepts... http://www.reuters.com/article/2013/10/09/markets-forex-fxconcepts-idUSL1N0HZ1E220131009
I was under the impression the Density fund had been around since 1998 as per the article. Using 'portfolio' in this context is misleading, Reuters should just use the term 'fund' or 'across all funds'. The fund's website is confusing as well, there doesn't seem to be an english version.