PIONEER NAT RES CO

CUSIP: 723787107 Class: COM

MARK ASSET MANAGEMENT LP's Holding History (CIK: 0000860176)

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

Q1 2017
Shares 1,705 Value ($000) $318 Avg Close — Range —
Q4 2016
Shares 83,227 Value ($000) $14,987 Avg Close — Range —
Q3 2016
Shares 80,445 Value ($000) $14,935 Avg Close — Range —
Q2 2016
Shares 73,425 Value ($000) $11,103 Avg Close — Range —
Q2 2014
Shares 26,929 Value ($000) $6,189 Avg Close — Range —
Q1 2014
Shares 25,429 Value ($000) $4,758 Avg Close — Range —
Q4 2013
Shares 57,824 Value ($000) $10,644 Avg Close — Range —
Q3 2013
Shares 30,258 Value ($000) $5,713 Avg Close — Range —