PIONEER NAT RES CO

CUSIP: 723787AH0 Class: CNV

NOMURA HOLDINGS INC's Holding History (CIK: 0001163653)

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

Q1 2013
Shares 15,000,000 Value ($000) $32,325 Avg Close Range
Q4 2012
Shares 512,000 Value ($000) $906 Avg Close Range