CYRUSONE INC

CUSIP: 23283R100 Class: COM

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q3 2017
Shares 224,209 Value ($000) $13,213 Avg Close — Range —
Q2 2017
Shares 220,224 Value ($000) $12,277 Avg Close — Range —
Q1 2017
Shares 197,105 Value ($000) $10,145 Avg Close — Range —
Q4 2016
Shares 202,330 Value ($000) $9,050 Avg Close — Range —
Q3 2016
Shares 267,575 Value ($000) $12,729 Avg Close — Range —
Q2 2016
Shares 167,165 Value ($000) $9,304 Avg Close — Range —