DRIL-QUIP INC

CUSIP: 262037104 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2018
Shares 12,800 Value ($000) $384 Avg Close Range
Q3 2018
Shares 13,900 Value ($000) $726 Avg Close Range
Q2 2018
Shares 14,000 Value ($000) $720 Avg Close Range
Q1 2018
Shares 13,900 Value ($000) $623 Avg Close Range
Q4 2017
Shares 13,600 Value ($000) $649 Avg Close Range
Q3 2017
Shares 14,200 Value ($000) $627 Avg Close Range
Q2 2017
Shares 15,600 Value ($000) $761 Avg Close Range
Q1 2017
Shares 15,400 Value ($000) $840 Avg Close Range
Q4 2016
Shares 15,100 Value ($000) $907 Avg Close Range
Q3 2016
Shares 15,100 Value ($000) $842 Avg Close Range
Q2 2016
Shares 15,200 Value ($000) $888 Avg Close Range
Q1 2016
Shares 15,100 Value ($000) $914 Avg Close Range
Q4 2015
Shares 15,200 Value ($000) $900 Avg Close Range
Q3 2015
Shares 17,600 Value ($000) $1,025 Avg Close Range
Q2 2015
Shares 17,700 Value ($000) $1,332 Avg Close Range
Q1 2015
Shares 17,600 Value ($000) $1,204 Avg Close Range
Q4 2014
Shares 18,800 Value ($000) $1,443 Avg Close Range
Q3 2014
Shares 19,000 Value ($000) $1,699 Avg Close Range
Q2 2014
Shares 19,200 Value ($000) $2,097 Avg Close Range
Q1 2014
Shares 19,100 Value ($000) $2,141 Avg Close Range
Q4 2013
Shares 19,100 Value ($000) $2,100 Avg Close Range
Q3 2013
Shares 18,900 Value ($000) $2,169 Avg Close Range
Q2 2013
Shares 16,800 Value ($000) $1,517 Avg Close Range