ORBITAL ATK INC

CUSIP: 68557N103 Class: COM

TEACHER RETIREMENT SYSTEM OF TEXAS's Holding History (CIK: 0000796848)

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

Q1 2018
Shares 12,769 Value ($000) $1,693 Avg Close — Range —
Q4 2017
Shares 19,861 Value ($000) $2,612 Avg Close — Range —
Q3 2017
Shares 4,758 Value ($000) $634 Avg Close — Range —
Q2 2017
Shares 4,616 Value ($000) $454 Avg Close — Range —
Q1 2017
Shares 4,617 Value ($000) $452 Avg Close — Range —
Q4 2016
Shares 4,731 Value ($000) $415 Avg Close — Range —
Q3 2016
Shares 6,274 Value ($000) $478 Avg Close — Range —
Q2 2016
Shares 8,205 Value ($000) $699 Avg Close — Range —
Q1 2016
Shares 7,210 Value ($000) $627 Avg Close — Range —
Q4 2015
Shares 5,461 Value ($000) $488 Avg Close — Range —
Q3 2015
Shares 7,299 Value ($000) $525 Avg Close — Range —
Q2 2015
Shares 2,270 Value ($000) $167 Avg Close — Range —
Q1 2015
Shares 1,797 Value ($000) $138 Avg Close — Range —