AETNA INC NEW

CUSIP: 00817Y108 Class: COM

VIKING GLOBAL INVESTORS LP's Holding History (CIK: 0001103804)

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

Q2 2018
Shares 268,035 Value ($000) $49,184 Avg Close — Range —
Q2 2016
Shares 961,700 Value ($000) $117,452 Avg Close — Range —
Q1 2016
Shares 3,857,803 Value ($000) $433,424 Avg Close — Range —
Q4 2015
Shares 1,247,101 Value ($000) $134,837 Avg Close — Range —
Q3 2015
Shares 3,479,173 Value ($000) $380,656 Avg Close — Range —
Q2 2015
Shares 3,097,599 Value ($000) $394,820 Avg Close — Range —
Q3 2013
Shares 160,076 Value ($000) $10,248 Avg Close — Range —
Q2 2013
Shares 1,060,000 Value ($000) $67,352 Avg Close — Range —