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Vertex Pharmaceuticals Incorporated shares owned by Westfield Capital Management Company

Quarter-by-quarter ownership of Vertex Pharmaceuticals Incorporated (VRTX) shares owned by Westfield Capital Management Company from 13F filings

Historical chart of Westfield Capital Management Company investment in Vertex Pharmaceuticals Incorporated

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All positions including Vertex Pharmaceuticals Incorporated held by Westfield Capital Management Company consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Vertex Pharmaceuticals Incorporated by Westfield Capital Management Company

Quarter filed Position value Share count Share price at filing
2012-12-31 $130M 3.1M 41.90
2012-09-30 $176M 3.2M 55.89
2012-06-30 $187M 3.3M 55.92
2012-03-31 $159M 3.9M 41.01
2011-12-31 $184M 5.5M 33.21
2011-09-30 $187M 4.2M 44.46
2011-06-30 $63M 1.2M 51.99
2011-03-31 $44M 912k 47.93
2010-12-31 $39M 1.1M 35.03