CEB INC

CUSIP: 125134106 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q1 2017
Shares 23,521 Value ($000) $1,849 Avg Close — Range —
Q4 2016
Shares 40,105 Value ($000) $2,430 Avg Close — Range —
Q3 2016
Shares 93,711 Value ($000) $5,105 Avg Close — Range —
Q2 2016
Shares 8,805 Value ($000) $543 Avg Close — Range —
Q4 2015
Shares 69,683 Value ($000) $4,278 Avg Close — Range —
Q3 2015
Shares 46 Value ($000) $3 Avg Close — Range —
Q2 2015
Shares 1,516 Value ($000) $132 Avg Close — Range —