No Pivotal are not listed.
Pivotal have a deal which seems a little shonky to me about ownership. They only hold the 5.1% of the nylex shares as an option to another company "Wroxby". They can get out of the deal within 89 days and make $500,000.
All explained below.
http://www.nylexlimited.com.au/uploads/files/1218670854667_0.013984817827339235.pdf
WOuld be interested in what you think.