ORBITAL ATK INC

CUSIP: 68557N103 Class: COM

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

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

Q2 2017
Shares 1,013 Value ($000) $100 Avg Close — Range —
Q1 2017
Shares 1,037 Value ($000) $102 Avg Close — Range —
Q4 2016
Shares 1,002 Value ($000) $88 Avg Close — Range —
Q3 2016
Shares 996 Value ($000) $76 Avg Close — Range —
Q2 2016
Shares 896 Value ($000) $76 Avg Close — Range —