WESTERN GAS PARTNERS LP

CUSIP: 958254104 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2018
Shares 118,891 Value ($000) $5,021 Avg Close — Range —
Q3 2018
Shares 40,232 Value ($000) $1,757 Avg Close — Range —
Q2 2018
Shares 40,042 Value ($000) $1,938 Avg Close — Range —
Q1 2018
Shares 38,783 Value ($000) $1,655 Avg Close — Range —
Q4 2017
Shares 40,317 Value ($000) $1,939 Avg Close — Range —
Q3 2017
Shares 32,555 Value ($000) $1,669 Avg Close — Range —
Q2 2017
Shares 33,588 Value ($000) $1,879 Avg Close — Range —
Q1 2017
Shares 36,168 Value ($000) $2,186 Avg Close — Range —
Q4 2016
Shares 88,267 Value ($000) $5,187 Avg Close — Range —
Q3 2016
Shares 50,036 Value ($000) $2,753 Avg Close — Range —
Q2 2016
Shares 53,463 Value ($000) $2,694 Avg Close — Range —
Q1 2016
Shares 56,267 Value ($000) $2,505 Avg Close — Range —
Q4 2015
Shares 42,619 Value ($000) $2,025 Avg Close — Range —
Q3 2015
Shares 43,921 Value ($000) $2,057 Avg Close — Range —
Q2 2015
Shares 66,062 Value ($000) $4,186 Avg Close — Range —
Q1 2015
Shares 67,074 Value ($000) $4,417 Avg Close — Range —
Q4 2014
Shares 155,995 Value ($000) $11,395 Avg Close — Range —
Q3 2014
Shares 106,738 Value ($000) $8,005 Avg Close — Range —
Q2 2014
Shares 103,159 Value ($000) $7,890 Avg Close — Range —
Q1 2014
Shares 63,284 Value ($000) $4,189 Avg Close — Range —
Q4 2013
Shares 68,081 Value ($000) $4,200 Avg Close — Range —
Q3 2013
Shares 65,807 Value ($000) $3,957 Avg Close — Range —
Q2 2013
Shares 67,645 Value ($000) $4,389 Avg Close — Range —