ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q2 2021
Shares 5,238,014 Value ($000) $962,276 Avg Close — Range —
Q1 2021
Shares 4,242,379 Value ($000) $648,702 Avg Close — Range —
Q4 2020
Shares 2,916,979 Value ($000) $455,749 Avg Close — Range —
Q3 2020
Shares 810,058 Value ($000) $92,695 Avg Close — Range —
Q2 2020
Shares 968,058 Value ($000) $108,655 Avg Close — Range —
Q1 2020
Shares 1,054,510 Value ($000) $94,684 Avg Close — Range —
Q4 2019
Shares 809,110 Value ($000) $87,505 Avg Close — Range —
Q3 2019
Shares 566,962 Value ($000) $55,528 Avg Close — Range —
Q2 2019
Shares 619,462 Value ($000) $81,137 Avg Close — Range —
Q1 2019
Shares 488,562 Value ($000) $66,044 Avg Close — Range —
Q4 2018
Shares 139,062 Value ($000) $13,539 Avg Close — Range —
Q3 2018
Shares 194,192 Value ($000) $26,995 Avg Close — Range —
Q2 2018
Shares 20,494 Value ($000) $2,544 Avg Close — Range —
Q1 2018
Shares 9,898 Value ($000) $1,103 Avg Close — Range —
Q3 2017
Shares 385,698 Value ($000) $54,110 Avg Close — Range —
Q2 2017
Shares 349,881 Value ($000) $42,570 Avg Close — Range —
Q1 2017
Shares 231,402 Value ($000) $28,055 Avg Close — Range —
Q4 2016
Shares 265,002 Value ($000) $32,423 Avg Close — Range —
Q3 2016
Shares 160,409 Value ($000) $19,657 Avg Close — Range —
Q2 2016
Shares 31,344 Value ($000) $3,660 Avg Close — Range —
Q1 2016
Shares 68,563 Value ($000) $9,545 Avg Close — Range —
Q4 2015
Shares 305,563 Value ($000) $58,286 Avg Close — Range —
Q3 2015
Shares 280,063 Value ($000) $43,799 Avg Close — Range —
Q2 2015
Shares 294,163 Value ($000) $53,176 Avg Close — Range —
Q1 2015
Shares 311,163 Value ($000) $53,925 Avg Close — Range —
Q4 2014
Shares 394,200 Value ($000) $72,939 Avg Close — Range —
Q3 2014
Shares 319,500 Value ($000) $52,979 Avg Close — Range —
Q2 2014
Shares 363,900 Value ($000) $56,859 Avg Close — Range —
Q1 2014
Shares 348,700 Value ($000) $53,048 Avg Close — Range —
Q4 2013
Shares 508,800 Value ($000) $67,611 Avg Close — Range —
Q3 2013
Shares 592,500 Value ($000) $68,825 Avg Close — Range —
Q2 2013
Shares 792,500 Value ($000) $73,100 Avg Close — Range —
Q1 2013
Shares 406,288 Value ($000) $37,435 Avg Close — Range —