ONYX PHARMACEUTICALS INC

CUSIP: 683399109 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q3 2013
Shares 162,552 Value ($000) $20,264 Avg Close — Range —
Q2 2013
Shares 162,911 Value ($000) $14,142 Avg Close — Range —