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ALEXION PHARMACEUTIC
ALEXION PHARMACEUTIC. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 571 Institutional holders with a total value of $42,681,668,939.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRICE T ROWE ASSOCIATES INC /MD/ 28,295,427 5,397,353,000 12.65%
2 Capital Research Global Investors 27,602,207 5,265,121,000 12.34%
3 FMR LLC 14,878,825 2,838,135,000 6.65%
4 VANGUARD GROUP INC 12,973,958 2,474,783,000 5.80%
5 STATE STREET CORP 8,817,684 1,681,972,000 3.94%
6 JENNISON ASSOCIATES LLC 7,346,024 1,401,254,000 3.28%
7 BAKER BROS. ADVISORS LP 6,542,599 1,248,001,000 2.92%
8 SANDS CAPITAL MANAGEMENT, LLC 6,056,762 1,155,327,000 2.71%
9 WELLS FARGO & COMPANY/MN 5,976,011 1,139,926,000 2.67%
10 BlackRock Institutional Trust Company, N.A. 5,586,136 1,065,555,000 2.50%
11 AMERIPRISE FINANCIAL INC 5,205,530 992,985,000 2.33%
12 JPMORGAN CHASE & CO 4,841,115 923,442,000 2.16%
13 BlackRock Fund Advisors 4,496,088 857,629,000 2.01%
14 WADDELL & REED FINANCIAL INC 3,195,044 609,455,000 1.43%
15 Invesco Ltd. 3,194,246 609,301,000 1.43%
16 Winslow Capital Management, LLC 3,064,131 584,484,000 1.37%
17 NORTHERN TRUST CORP 2,660,188 507,432,000 1.19%
18 BANK OF AMERICA CORP /DE/ 2,659,489 507,297,000 1.19%
19 Bank of New York Mellon Corp 2,482,171 473,474,000 1.11%
20 BlackRock Group LTD 2,429,932 463,511,000 1.09%
21 TIAA CREF INVESTMENT MANAGEMENT LLC 2,364,781 451,082,000 1.06%
22 ORBIMED ADVISORS LLC 2,275,100 433,975,000 1.02%
23 BROWN ADVISORY INC 2,233,531 426,046,000 1.00%
24 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 2,122,345 404,838,000 0.95%
25 GEODE CAPITAL MANAGEMENT, LLC 1,785,961 339,959,000 0.80%
26 NORGES BANK 1,706,802 325,573,000 0.76%
27 AMERICAN CENTURY COMPANIES INC 1,640,046 312,839,000 0.73%
28 DSM CAPITAL PARTNERS LLC 1,372,175 261,743,000 0.61%
29 GOLDMAN SACHS GROUP INC 1,362,070 259,814,000 0.61%
30 BLACKROCK ADVISORS LLC 1,320,818 251,946,000 0.59%
31 Temasek Holdings (Private) Ltd 1,226,630 233,980,000 0.55%
32 TCW GROUP INC 1,109,401 211,618,000 0.50%
33 BB BIOTECH AG 1,034,428 197,317,000 0.46%
34 ALLIANCEBERNSTEIN L.P. 1,196,470 187,116,000 0.44%
35 GENERAL ELECTRIC CO 920,099 175,509,000 0.41%
36 AXA S.A. 888,596 169,500,000 0.40%
37 Legal & General Group Plc 885,253 168,862,000 0.40%
38 DEUTSCHE BANK AG\ 832,683 158,829,000 0.37%
39 Allianz Asset Management GmbH 831,644 158,743,000 0.37%
40 COLUMBUS CIRCLE INVESTORS 806,802 153,897,000 0.36%
41 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 804,624 153,481,000 0.36%
42 FIRST TRUST ADVISORS LP 784,231 149,592,000 0.35%
43 SECTORAL ASSET MANAGEMENT INC 758,180 144,623,000 0.34%
44 JANUS HENDERSON INVESTORS US LLC 752,161 143,475,000 0.34%
45 BlackRock Investment Management, LLC 709,813 135,397,000 0.32%
46 BlackRock Finance, Inc. 698,060 133,156,000 0.31%
47 FIL Ltd 653,545 124,663,000 0.29%
48 NEW YORK STATE COMMON RETIREMENT FUND 640,484 122,172,000 0.29%
49 Tekla Capital Management LLC 636,805 121,471,000 0.28%
50 Sumitomo Mitsui Trust Group, Inc. 606,447 116,019,000 0.27%
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From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.