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

Institutional Holders (2015Q3)
Portfolio Summary: 534 Institutional holders with a total value of $33,855,682,195.
#
Manager Name
Shares
Value ($)
%
Options
Notes
101 APG Asset Management N.V. 203,238 31,784,000 0.09%
102 TWO SIGMA ADVISERS, LP 193,724 30,300,000 0.09%
103 STATE OF WISCONSIN INVESTMENT BOARD 191,124 29,890,000 0.09%
104 VAN ECK ASSOCIATES CORP 190,963 29,865,000 0.09%
105 BNP Paribas Asset Management Holding S.A. 190,472 29,788,000 0.09%
106 Chevy Chase Trust Holdings, LLC 186,130 29,109,000 0.09%
107 State of Tennessee, Department of Treasury 182,091 28,477,000 0.08%
108 UNITED SERVICES AUTOMOBILE ASSOCIATION 180,982 28,304,000 0.08%
109 Polar Capital LLP 180,855 28,284,000 0.08%
110 Candriam S.C.A. 174,944 27,361,000 0.08%
111 PROFUND ADVISORS LLC 173,970 27,207,000 0.08%
112 Cumberland Partners Ltd 172,545 26,952,000 0.08%
113 Rock Springs Capital Management LP 172,000 26,899,000 0.08%
114 GATEWAY INVESTMENT ADVISERS LLC 168,402 26,336,000 0.08%
115 Lagoda Investment Management, L.P. 166,914 26,104,000 0.08%
116 BARCLAYS PLC 159,010 24,807,000 0.07%
117 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 157,999 24,709,000 0.07%
118 BANK OF MONTREAL /CAN/ 157,125 24,573,000 0.07%
119 BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 152,067 23,782,000 0.07%
120 VIRTUS CAPITAL ADVISERS, LLC 150,572 23,548,000 0.07%
121 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 137,288 21,470,000 0.06%
122 CAPITAL FUND MANAGEMENT S.A. 137,154 21,450,000 0.06%
123 METROPOLITAN LIFE INSURANCE CO/NY 130,831 20,461,000 0.06%
124 CANADA LIFE ASSURANCE Co 128,989 20,198,000 0.06%
125 DekaBank Deutsche Girozentrale 132,329 19,945,000 0.06%
126 Employees Retirement System of Texas 123,749 19,353,000 0.06%
127 HSBC HOLDINGS PLC 123,317 19,284,000 0.06%
128 SUSQUEHANNA INTERNATIONAL GROUP, LLP 122,570 19,169,000 0.06%
129 AVIVA PLC 122,288 19,125,000 0.06%
130 CITIGROUP INC 115,274 18,028,000 0.05%
131 Rhenman & Partners Asset Management AB 115,000 17,985,000 0.05%
132 THORNBURG INVESTMENT MANAGEMENT INC 114,622 17,926,000 0.05%
133 MACKENZIE FINANCIAL CORP 112,184 17,544,000 0.05%
134 National Pension Service 107,845 16,866,000 0.05%
135 GOLDMAN SACHS GROUP INC 107,700 16,843,000 0.05% Put
136 UBS Group AG 106,352 16,632,000 0.05%
137 AMP Capital Investors Ltd 112,484 16,620,000 0.05%
138 TREDJE AP-FONDEN 104,238 16,302,000 0.05%
139 Lamond Capital Partners LLC 100,000 15,639,000 0.05%
140 CAISSE DE DEPOT ET PLACEMENT DU QUEBEC 99,900 15,623,000 0.05%
141 FIFTH THIRD BANCORP 99,670 15,587,000 0.05%
142 MACQUARIE GROUP LTD 98,900 15,467,000 0.05%
143 AMERICAN INTERNATIONAL GROUP, INC. 96,938 15,161,000 0.04%
144 MARSICO CAPITAL MANAGEMENT LLC 95,571 14,947,000 0.04%
145 APEX CAPITAL, LLC 95,000 14,857,000 0.04%
146 PEAK6 Group LLC 94,500 14,779,000 0.04% Put
147 RAYMOND JAMES & ASSOCIATES 92,704 14,498,000 0.04%
148 BLUE JAY CAPITAL MANAGEMENT, LLC 89,884 14,057,000 0.04%
149 VOYA INVESTMENT MANAGEMENT LLC 89,419 13,985,000 0.04%
150 Asset Management One Co., Ltd. 91,520 13,554,000 0.04%
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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.