ARIAD PHARMACEUTICALS INC

CUSIP: 04033A100 Class: COM

WESTFIELD CAPITAL MANAGEMENT CO LP's Holding History (CIK: 0001177719)

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

Q4 2016
Shares 4,957,058 Value ($000) $61,666 Avg Close — Range —
Q3 2016
Shares 6,001,969 Value ($000) $82,167 Avg Close — Range —
Q2 2016
Shares 10,575,638 Value ($000) $78,154 Avg Close — Range —
Q1 2016
Shares 11,104,978 Value ($000) $70,961 Avg Close — Range —
Q4 2015
Shares 9,493,458 Value ($000) $59,334 Avg Close — Range —
Q3 2015
Shares 9,633,464 Value ($000) $56,259 Avg Close — Range —
Q2 2015
Shares 9,163,460 Value ($000) $75,782 Avg Close — Range —
Q1 2015
Shares 9,312,635 Value ($000) $76,736 Avg Close — Range —
Q4 2014
Shares 8,312,820 Value ($000) $57,109 Avg Close — Range —