PharmX Technologies (ASX:PHX) said Sigma Healthcare (ASX:SIG) currently holds around 9.1% of PharmX on a post-issue basis, after the completion of Sigma's initial subscription for 59.95 million shares, according to a Friday Australian bourse filing.

Pharmx and Sigma agreed that Sigma will subscribe for and Pharmx will issue an additional 6.7 million ordinary shares to Sigma, which will take its holding to 10% of Pharmx's issued capital as part of a strategic alliance agreement.

The additional shares will be issued at the same price as Sigma's original subscription under the agreement at AU$0.145 each.