Although Apple remained the top smartphone OEM, Samsung showed the most growth, moving the needle 2.3 percent for a 21 percent share of the smartphone OEM market, according to ComScore’s new Mobile Subscriber Market Share report.

The Reston, Va.-based analytics company reported that Apple once again took the top spot among smartphone OEMs, with a 36.3 percent share of the U.S. smartphone market, up two percent from Sept. 2012. Samsung, which ranked second, showed the most growth, up 2.3 percent to 21 percent. Taiwan-based HTC’s smartphone OEM market share dropped 1.8 percent to 10.2 percent. Microsoft was the other OEM to show a drop, falling 0.7 percent to 9.1 percent. Finally, LG grew 0.5 percent, grabbing a 7.1 percent share of the smartphone OEM market.

The U.S. continued to show no signs of slowing down when it came to smartphone ownership, with 125.9 million people owning smartphones, up five percentfrom Sept. 2012 to Dec. 2012. As expected, more than half of those handsets people own in the U.S. ran Google’s Android platform. Android phones racked up 53.4 percent of the smartphone market share, up 0.9 percent. To no one’s surprise, Apple was the second leading smartphone platform, showing a 2 percent increase in market share to 36.3 percent. BlackBerry, which recently lifted the lid off BlackBerry 10 and changed its name from RIM to BlackBerry, saw a 2 percent decline in its platform market share to 6.5 percent. Lastly, Microsoft’s market share fell 0.7 percent and Symbian remained the same with a 0.6 percent share.