CUBIST PHARMACEUTICALS INC

CUSIP: 229678107 Class: COM

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q4 2014
Shares 70,994 Value ($000) $7,146 Avg Close — Range —
Q3 2014
Shares 76,200 Value ($000) $5,055 Avg Close — Range —
Q2 2014
Shares 72,200 Value ($000) $5,041 Avg Close — Range —