ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q1 2020
Shares 347,381 Value ($000) $31,191 Avg Close — Range —
Q4 2019
Shares 411,385 Value ($000) $44,492 Avg Close — Range —
Q3 2019
Shares 449,582 Value ($000) $44,032 Avg Close — Range —
Q2 2019
Shares 507,299 Value ($000) $66,446 Avg Close — Range —
Q1 2019
Shares 516,675 Value ($000) $69,844 Avg Close — Range —
Q4 2018
Shares 516,961 Value ($000) $50,332 Avg Close — Range —
Q3 2018
Shares 567,911 Value ($000) $78,945 Avg Close — Range —
Q2 2018
Shares 570,732 Value ($000) $70,856 Avg Close — Range —
Q1 2018
Shares 597,285 Value ($000) $66,574 Avg Close — Range —
Q4 2017
Shares 650,760 Value ($000) $77,824 Avg Close — Range —
Q3 2017
Shares 708,121 Value ($000) $99,342 Avg Close — Range —
Q2 2017
Shares 729,267 Value ($000) $88,730 Avg Close — Range —
Q1 2017
Shares 753,894 Value ($000) $91,401 Avg Close — Range —
Q4 2016
Shares 1,083,428 Value ($000) $132,557 Avg Close — Range —
Q3 2016
Shares 1,123,825 Value ($000) $137,714 Avg Close — Range —
Q2 2016
Shares 1,148,864 Value ($000) $134,140 Avg Close — Range —
Q1 2016
Shares 1,109,174 Value ($000) $154,419 Avg Close — Range —
Q4 2015
Shares 1,109,401 Value ($000) $211,618 Avg Close — Range —
Q3 2015
Shares 1,104,944 Value ($000) $172,802 Avg Close — Range —
Q2 2015
Shares 1,050,599 Value ($000) $189,916 Avg Close — Range —
Q1 2015
Shares 1,100,247 Value ($000) $190,673 Avg Close — Range —
Q4 2014
Shares 727,425 Value ($000) $134,596 Avg Close — Range —
Q3 2014
Shares 105,930 Value ($000) $17,565 Avg Close — Range —
Q2 2014
Shares 103,780 Value ($000) $16,216 Avg Close — Range —
Q1 2014
Shares 102,980 Value ($000) $15,666 Avg Close — Range —
Q4 2013
Shares 106,099 Value ($000) $14,118 Avg Close — Range —
Q3 2013
Shares 105,470 Value ($000) $12,252 Avg Close — Range —
Q2 2013
Shares 104,670 Value ($000) $9,654 Avg Close — Range —