Global Foundries acquired chartered Fabs in Singapore, New Malta FAB in NY. Along with AMD Fabs, It is part of Alliance with IBM for technology development. Only reason they Opened Malta FAB is to get a share of high end foundry (32, 28 & beyond), Targeting US market. IT is right next to IBM JDA allaince and Sematech and nanotechnology Alliance in Albany NY. Global FOundry is Privately held company, i.e sitting on Cash. It can fillin void of 2nd source for lot of US fab-less companies.
The claim has to be backed by data and data only. Their top line is heavily influenced by one company - AMD. You need to see non-AMD portion of the revenue to see whether their real foundry market share is truly growing compared to TSMC, Samsung, UMC, and SMIC.