PIONEER NAT RES CO

CUSIP: 723787107 Class: COM

HighVista Strategies LLC's Holding History (CIK: 0001335325)

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

Q1 2017
Shares 18,200 Value ($000) $3,389 Avg Close — Range —
Q4 2016
Shares 16,800 Value ($000) $3,025 Avg Close — Range —
Q3 2016
Shares 16,600 Value ($000) $3,082 Avg Close — Range —
Q2 2016
Shares 19,900 Value ($000) $3,009 Avg Close — Range —
Q4 2015
Shares 7,148 Value ($000) $896 Avg Close — Range —
Q3 2015
Shares 33,886 Value ($000) $4,122 Avg Close — Range —
Q2 2015
Shares 31,290 Value ($000) $4,340 Avg Close — Range —
Q1 2015
Shares 29,167 Value ($000) $4,769 Avg Close — Range —
Q4 2014
Shares 16,239 Value ($000) $2,417 Avg Close — Range —
Q3 2014
Shares 23,714 Value ($000) $4,671 Avg Close — Range —
Q2 2014
Shares 23,595 Value ($000) $5,422 Avg Close — Range —
Q1 2014
Shares 26,833 Value ($000) $5,447 Avg Close — Range —
Q4 2013
Shares 3,924 Value ($000) $722 Avg Close — Range —