PIONEER SOUTHWST ENRG PRTNR

CUSIP: 72388B106 Class: COMMON STOCK

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

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

Q2 2013
Shares 135,500 Value ($000) $4,645 Avg Close — Range —