ALEXION PHARMACEUTICALS INC

CUSIP: 015351109 Class: COM

CHARLES SCHWAB INVESTMENT MANAGEMENT INC's Holding History (CIK: 0000884546)

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

Q2 2021
Shares 1,061,176 Value ($000) $194,949 Avg Close — Range —
Q1 2021
Shares 1,033,583 Value ($000) $158,046 Avg Close — Range —
Q4 2020
Shares 1,086,933 Value ($000) $169,823 Avg Close — Range —
Q3 2020
Shares 1,316,188 Value ($000) $150,612 Avg Close — Range —
Q2 2020
Shares 1,427,239 Value ($000) $160,194 Avg Close — Range —
Q1 2020
Shares 1,364,034 Value ($000) $122,477 Avg Close — Range —
Q4 2019
Shares 1,402,284 Value ($000) $151,658 Avg Close — Range —
Q3 2019
Shares 1,286,520 Value ($000) $126,002 Avg Close — Range —
Q2 2019
Shares 1,252,729 Value ($000) $164,083 Avg Close — Range —
Q1 2019
Shares 1,193,597 Value ($000) $161,351 Avg Close — Range —
Q4 2018
Shares 951,423 Value ($000) $92,631 Avg Close — Range —
Q3 2018
Shares 880,157 Value ($000) $122,351 Avg Close — Range —
Q2 2018
Shares 876,606 Value ($000) $108,831 Avg Close — Range —
Q1 2018
Shares 920,725 Value ($000) $102,625 Avg Close — Range —
Q4 2017
Shares 906,805 Value ($000) $108,445 Avg Close — Range —
Q3 2017
Shares 850,333 Value ($000) $119,294 Avg Close — Range —
Q2 2017
Shares 795,572 Value ($000) $96,798 Avg Close — Range —
Q1 2017
Shares 697,913 Value ($000) $84,615 Avg Close — Range —
Q4 2016
Shares 640,458 Value ($000) $78,361 Avg Close — Range —
Q3 2016
Shares 627,727 Value ($000) $76,922 Avg Close — Range —
Q2 2016
Shares 613,127 Value ($000) $71,589 Avg Close — Range —
Q1 2016
Shares 601,204 Value ($000) $83,700 Avg Close — Range —
Q4 2015
Shares 578,446 Value ($000) $110,339 Avg Close — Range —
Q3 2015
Shares 549,036 Value ($000) $85,864 Avg Close — Range —
Q2 2015
Shares 560,428 Value ($000) $101,309 Avg Close — Range —
Q1 2015
Shares 478,821 Value ($000) $82,980 Avg Close — Range —
Q4 2014
Shares 448,716 Value ($000) $83,026 Avg Close — Range —
Q3 2014
Shares 457,818 Value ($000) $75,916 Avg Close — Range —
Q2 2014
Shares 448,307 Value ($000) $70,048 Avg Close — Range —
Q1 2014
Shares 432,325 Value ($000) $65,770 Avg Close — Range —
Q4 2013
Shares 389,484 Value ($000) $51,825 Avg Close — Range —
Q3 2013
Shares 372,379 Value ($000) $43,714 Avg Close — Range —
Q2 2013
Shares 354,094 Value ($000) $33,944 Avg Close — Range —