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ALEXION PHARMACEUTICALS INC
ALEXION PHARMACEUTICALS INC. Institutional holdings reported to the SEC.

Institutional Holders (2017Q2)
Portfolio Summary: 611 Institutional holders with a total value of $26,914,209,971.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 PRICE T ROWE ASSOCIATES INC /MD/ 22,818,855 2,776,370,000 10.32%
2 FMR LLC 21,374,277 2,600,607,000 9.66%
3 BlackRock Finance, Inc. 19,926,265 2,424,428,000 9.01%
4 VANGUARD GROUP INC 14,785,831 1,798,992,000 6.68%
5 STATE STREET CORP 11,860,647 1,443,099,000 5.36%
6 BAKER BROS. ADVISORS LP 8,553,864 1,040,749,000 3.87%
7 SANDS CAPITAL MANAGEMENT, LLC 6,346,074 772,127,000 2.87%
8 AMERIPRISE FINANCIAL INC 6,175,296 751,363,000 2.79%
9 GOLDMAN SACHS GROUP INC 4,801,874 584,244,000 2.17%
10 Invesco Ltd. 4,403,824 535,813,000 1.99%
11 ORBIMED ADVISORS LLC 3,871,786 471,080,000 1.75%
12 NORGES BANK 3,748,280 456,054,000 1.69%
13 Bank of New York Mellon Corp 3,349,821 407,573,000 1.51%
14 TIAA CREF INVESTMENT MANAGEMENT LLC 3,219,961 391,773,000 1.46%
15 Clearbridge Investments, LLC 3,063,051 372,681,000 1.38%
16 NORTHERN TRUST CORP 2,966,636 360,950,000 1.34%
17 FRANKLIN RESOURCES INC 2,402,582 292,323,000 1.09%
18 GEODE CAPITAL MANAGEMENT, LLC 2,161,456 262,519,000 0.98%
19 BANK OF AMERICA CORP /DE/ 1,741,175 211,848,000 0.79%
20 WADDELL & REED FINANCIAL INC 1,657,920 201,719,000 0.75%
21 Tourbillon Capital Partners, L.P. 1,648,952 200,628,000 0.75%
22 Temasek Holdings (Private) Ltd 1,452,922 176,777,000 0.66%
23 BANK OF MONTREAL /CAN/ 1,423,318 173,174,000 0.64%
24 BB BIOTECH AG 1,354,428 164,793,000 0.61%
25 JPMORGAN CHASE & CO 1,311,927 159,620,000 0.59%
26 Third Point LLC 1,250,000 152,088,000 0.57%
27 NOMURA HOLDINGS INC 1,190,000 144,866,000 0.54% Call
28 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 1,188,615 144,618,786 0.54%
29 WELLS FARGO & COMPANY/MN 1,174,818 142,939,000 0.53%
30 DSM CAPITAL PARTNERS LLC 1,167,149 142,008,000 0.53%
31 JANUS HENDERSON GROUP PLC 1,145,918 139,424,000 0.52%
32 CITADEL ADVISORS LLC 1,116,748 135,875,000 0.50%
33 SUSQUEHANNA INTERNATIONAL GROUP, LLP 1,092,600 132,937,000 0.49% Put
34 Palo Alto Investors LP 1,030,942 125,435,000 0.47%
35 Legal & General Group Plc 1,024,756 124,682,000 0.46%
36 DEUTSCHE BANK AG\ 1,001,826 121,886,000 0.45%
37 TEACHERS ADVISORS, LLC 995,930 121,175,000 0.45%
38 THRIVENT FINANCIAL FOR LUTHERANS 852,166 103,683,000 0.39%
39 BARCLAYS PLC 849,051 103,304,000 0.38%
40 EATON VANCE MANAGEMENT 837,141 101,855,000 0.38%
41 CLEARBRIDGE, LLC 826,840 100,602,000 0.37%
42 AXA S.A. 820,927 99,882,000 0.37%
43 Swiss National Bank 820,741 99,860,000 0.37%
44 AMERICAN CENTURY COMPANIES INC 797,371 97,016,000 0.36%
45 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 795,572 96,798,000 0.36%
46 MORGAN STANLEY 785,223 95,538,000 0.35%
47 Tekla Capital Management LLC 750,905 91,363,000 0.34%
48 TCW GROUP INC 729,267 88,730,000 0.33%
49 BESSEMER GROUP INC 721,404 87,772,000 0.33%
50 Senator Investment Group LP 675,000 82,127,000 0.31%
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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.