BRISTOW GROUP INC

CUSIP: 110394103 Class: COM

NISA INVESTMENT ADVISORS, LLC's Holding History (CIK: 0000937615)

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

Q4 2018
Shares 310 Value ($000) $1 Avg Close Range
Q3 2018
Shares 310 Value ($000) $4 Avg Close Range
Q2 2018
Shares 480 Value ($000) $7 Avg Close Range
Q1 2018
Shares 480 Value ($000) $6 Avg Close Range
Q4 2017
Shares 580 Value ($000) $8 Avg Close Range
Q3 2017
Shares 580 Value ($000) $5 Avg Close Range
Q2 2017
Shares 580 Value ($000) $4 Avg Close Range
Q1 2017
Shares 11,655 Value ($000) $177 Avg Close Range
Q4 2016
Shares 1,100 Value ($000) $23 Avg Close Range
Q3 2016
Shares 2,000 Value ($000) $28 Avg Close Range
Q2 2016
Shares 2,500 Value ($000) $29 Avg Close Range
Q1 2016
Shares 36,300 Value ($000) $687 Avg Close Range
Q4 2015
Shares 39,800 Value ($000) $1,031 Avg Close Range
Q3 2015
Shares 22,800 Value ($000) $596 Avg Close Range
Q2 2015
Shares 15,500 Value ($000) $826 Avg Close Range
Q1 2015
Shares 16,100 Value ($000) $877 Avg Close Range
Q4 2014
Shares 10,700 Value ($000) $704 Avg Close Range
Q3 2014
Shares 20,000 Value ($000) $1,344 Avg Close Range
Q2 2014
Shares 20,600 Value ($000) $1,661 Avg Close Range
Q1 2014
Shares 22,500 Value ($000) $1,699 Avg Close Range
Q4 2013
Shares 17,500 Value ($000) $1,314 Avg Close Range
Q3 2013
Shares 16,000 Value ($000) $1,164 Avg Close Range
Q2 2013
Shares 11,700 Value ($000) $764 Avg Close Range