CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

FMR LLC's Holding History (CIK: 0000315066)

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

Q4 2014
Shares 6,206,219 Value ($000) $624,656 Avg Close — Range —
Q3 2014
Shares 9,425,220 Value ($000) $625,269 Avg Close — Range —
Q2 2014
Shares 9,157,692 Value ($000) $639,391 Avg Close — Range —
Q1 2014
Shares 8,473,444 Value ($000) $619,833 Avg Close — Range —
Q4 2013
Shares 7,237,168 Value ($000) $498,423 Avg Close — Range —
Q3 2013
Shares 3,267,352 Value ($000) $207,640 Avg Close — Range —
Q2 2013
Shares 2,884,203 Value ($000) $139,307 Avg Close — Range —