AETNA INC NEW

CUSIP: 00817Y108 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q3 2018
Shares 581,304 Value ($000) $117,918 Avg Close — Range —
Q2 2018
Shares 560,123 Value ($000) $102,783 Avg Close — Range —
Q1 2018
Shares 540,486 Value ($000) $91,342 Avg Close — Range —
Q4 2017
Shares 558,267 Value ($000) $100,706 Avg Close — Range —
Q3 2017
Shares 569,673 Value ($000) $90,584 Avg Close — Range —
Q2 2017
Shares 615,001 Value ($000) $93,376 Avg Close — Range —
Q1 2017
Shares 690,604 Value ($000) $88,086 Avg Close — Range —
Q4 2016
Shares 721,804 Value ($000) $89,511 Avg Close — Range —
Q3 2016
Shares 740,504 Value ($000) $85,491 Avg Close — Range —
Q2 2016
Shares 734,304 Value ($000) $89,681 Avg Close — Range —
Q1 2016
Shares 757,757 Value ($000) $85,134 Avg Close — Range —
Q4 2015
Shares 662,684 Value ($000) $71,649 Avg Close — Range —
Q3 2015
Shares 652,113 Value ($000) $71,348 Avg Close — Range —
Q2 2015
Shares 637,768 Value ($000) $81,290 Avg Close — Range —
Q1 2015
Shares 669,757 Value ($000) $71,349 Avg Close — Range —
Q4 2014
Shares 680,710 Value ($000) $60,467 Avg Close — Range —
Q3 2014
Shares 674,323 Value ($000) $54,620 Avg Close — Range —
Q2 2014
Shares 676,769 Value ($000) $54,872 Avg Close — Range —
Q1 2014
Shares 688,029 Value ($000) $51,582 Avg Close — Range —
Q4 2013
Shares 684,829 Value ($000) $46,972 Avg Close — Range —
Q3 2013
Shares 680,129 Value ($000) $43,542 Avg Close — Range —
Q2 2013
Shares 659,123 Value ($000) $41,881 Avg Close — Range —
Q1 2013
Shares 570,186 Value ($000) $29,148 Avg Close — Range —