VERTEX PHARMACEUTICALS INC

Ticker: VRTX CUSIP: 92532F100 Class: EQTY

Granahan Investment Management, LLC's Holding History (CIK: 0001026710)

Note: Option positions (PUT/CALL) are excluded.

Q2 2015
Shares 194,100 Value ($000) $23,967 Avg Close $125.98 Range $113.68 - $137.50
Q1 2015
Shares 194,100 Value ($000) $22,898 Avg Close $119.81 Range $103.75 - $136.33
Q4 2014
Shares 194,100 Value ($000) $23,059 Avg Close $112.63 Range $96.43 - $124.35
Q3 2014
Shares 194,100 Value ($000) $21,799 Avg Close $95.21 Range $84.41 - $116.88
Q2 2014
Shares 194,100 Value ($000) $18,377 Avg Close $70.12 Range $59.79 - $98.80
Q1 2014
Shares 194,100 Value ($000) $13,727 Avg Close $79.20 Range $67.49 - $87.77
Q4 2013
Shares 388,100 Value ($000) $28,836 Avg Close $69.64 Range $58.06 - $78.38
Q3 2013
Shares 388,100 Value ($000) $29,426 Avg Close $79.58 Range $73.43 - $89.96
Q2 2013
Shares 428,800 Value ($000) $34,330 Avg Close $73.64 Range $51.28 - $87.47