ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q2 2021
Shares 57,961 Value ($000) $10,648 Avg Close — Range —
Q1 2021
Shares 57,661 Value ($000) $8,817 Avg Close — Range —
Q4 2020
Shares 57,561 Value ($000) $8,993 Avg Close — Range —
Q3 2020
Shares 58,261 Value ($000) $6,667 Avg Close — Range —
Q2 2020
Shares 56,361 Value ($000) $6,326 Avg Close — Range —
Q1 2020
Shares 266,678 Value ($000) $23,945 Avg Close — Range —
Q4 2019
Shares 269,478 Value ($000) $29,144 Avg Close — Range —
Q3 2019
Shares 269,878 Value ($000) $26,432 Avg Close — Range —
Q2 2019
Shares 229,678 Value ($000) $30,083 Avg Close — Range —
Q1 2019
Shares 240,378 Value ($000) $32,494 Avg Close — Range —
Q4 2018
Shares 239,878 Value ($000) $23,355 Avg Close — Range —
Q3 2018
Shares 366,378 Value ($000) $50,930 Avg Close — Range —
Q2 2018
Shares 365,878 Value ($000) $45,424 Avg Close — Range —
Q1 2018
Shares 365,278 Value ($000) $40,714 Avg Close — Range —
Q4 2017
Shares 365,478 Value ($000) $43,708 Avg Close — Range —
Q3 2017
Shares 367,678 Value ($000) $51,582 Avg Close — Range —
Q2 2017
Shares 373,778 Value ($000) $45,478 Avg Close — Range —
Q1 2017
Shares 273,778 Value ($000) $33,193 Avg Close — Range —
Q4 2016
Shares 253,378 Value ($000) $31,001 Avg Close — Range —
Q3 2016
Shares 78,274 Value ($000) $9,592 Avg Close — Range —
Q2 2016
Shares 77,774 Value ($000) $9,081 Avg Close — Range —
Q1 2016
Shares 77,574 Value ($000) $10,800 Avg Close — Range —
Q4 2015
Shares 77,074 Value ($000) $14,702 Avg Close — Range —
Q3 2015
Shares 81,574 Value ($000) $12,757 Avg Close — Range —
Q2 2015
Shares 86,874 Value ($000) $15,704 Avg Close — Range —
Q1 2015
Shares 77,974 Value ($000) $13,513 Avg Close — Range —
Q4 2014
Shares 81,674 Value ($000) $15,112 Avg Close — Range —
Q3 2014
Shares 81,074 Value ($000) $13,444 Avg Close — Range —
Q2 2014
Shares 81,074 Value ($000) $12,668 Avg Close — Range —
Q1 2014
Shares 80,774 Value ($000) $12,288 Avg Close — Range —
Q4 2013
Shares 79,674 Value ($000) $10,601 Avg Close — Range —
Q3 2013
Shares 79,574 Value ($000) $9,243 Avg Close — Range —
Q2 2013
Shares 79,274 Value ($000) $7,312 Avg Close — Range —