PHARMACYCLICS INC

CUSIP: 716933106 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q1 2015
Shares 11,438 Value ($000) $2,927 Avg Close — Range —
Q4 2014
Shares 108,227 Value ($000) $13,232 Avg Close — Range —