After another outstanding quarter, Apple has seen its US market share shoot up 22% year-over-year from 3.7% to 4.5%. Apple’s market share increases put if fourth in the United States, behind Dell, Hewlett-Packard, and Gateway.

As The Mac Observer put it:

[US] Shipments in Q2 2005 were 658,000 units compared to 495,000 in the same period last year. The .8% increase puts Apple in fourth place among manufacturers.
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Apple’s global unit shipments rose more than 37% year-on-year quarter, more than twice the 16.6% growth of the overall PC industry. “(Apple’s) growth in retail, Europe, and Asia/Pacific (excluding Japan) all grew by more than twice the worldwide rate,” IDC reported