PIONEER NAT RES CO

CUSIP: 723787107 Class: COM

PFM Health Sciences, LP's Holding History (CIK: 0001442756)

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

Q3 2016
Shares 349,564 Value ($000) $64,897 Avg Close — Range —
Q1 2016
Shares 88,985 Value ($000) $12,524 Avg Close — Range —