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Sunday, November 29, 2009, 9:39PM ET - U.S. Markets Closed. Dow  1.48% Nasdaq  1.73%

Alexion Pharmaceuticals, Inc. (ALXN)

On Nov 27: 44.62   0.52 (1.15%)

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Major Holders Get Major Holders for:
BREAKDOWN % of Shares Held by All Insider and 5% Owners: 2% % of Shares Held by Institutional & Mutual Fund Owners: 101% % of Float Held by Institutional & Mutual Fund Owners: 103% Number of Institutions Holding Shares: 245 MAJOR DIRECT HOLDERS (FORMS 3 & 4) Holder Shares Reported BELL LEONARD 853,499 5-Nov-09 LINK MAX 154,575 10-Sep-09 KEISER DAVID W 149,546 1-Jun-09 MADRI JOSEPH A 122,089 26-Jan-09 SINHA VIKAS 59,707 22-Sep-09
TOP INSTITUTIONAL HOLDERS Holder Shares % Out Value* Reported PRICE (T.ROWE) ASSOCIATES INC 6,321,740 7.14 $281,570,299 30-Sep-09 COLUMBIA WANGER ASSET MANAGEMENT, L.P. 4,771,308 5.39 $212,514,058 30-Sep-09 Barclays Global Investors UK Holdings Ltd 3,242,449 3.66 $144,418,678 30-Sep-09 WESTFIELD CAPITAL MANAGEMENT COMPANY 3,053,063 3.45 $135,983,426 30-Sep-09 SECTORAL ASSET MANAGEMENT, INC. 3,003,856 3.39 $133,791,746 30-Sep-09 VANGUARD GROUP, INC. (THE) 2,938,142 3.32 $130,864,844 30-Sep-09 American Century Companies, Inc. 2,926,988 3.30 $130,368,045 30-Sep-09 TURNER INVESTMENT PARTNERS, INC. 2,793,889 3.15 $124,439,816 30-Sep-09 JANUS CAPITAL MANAGEMENT, LLC 2,781,576 3.14 $123,891,395 30-Sep-09 FMR LLC 13,023,792 14.71 $580,079,695 30-Sep-09 TOP MUTUAL FUND HOLDERS Holder Shares % Out Value* Reported FIDELITY GROWTH COMPANY FUND 7,437,030 8.40 $331,245,316 30-Sep-09 COLUMBIA ACORN FD 3,000,000 3.39 $123,330,000 30-Jun-09 PRICE (T.ROWE) HEALTH SCIENCES FUND 1,750,000 1.98 $71,942,500 30-Jun-09 FIDELITY SELECT PORTFOLIOS - BIOTECHNOLOGY 1,411,930 1.59 $62,887,362 30-Sep-09 PRICE (T.ROWE) MID CAP GROWTH FUND 1,300,000 1.47 $57,902,000 30-Sep-09 THORNBURG CORE GROWTH FUND 1,006,966 1.14 $41,396,372 30-Jun-09 PRICE (T.ROWE) NEW HORIZONS FUND 971,900 1.10 $43,288,426 30-Sep-09 FIDELITY CONTRAFUND INC 907,396 1.02 $40,415,417 30-Sep-09 Janus Research Fund 902,282 1.02 $40,187,640 30-Sep-09 VANGUARD MID-CAP INDEX FUND 861,159 .97 $35,402,246 30-Jun-09 View Transactions for Insiders & Institutional Holders * Value shown is computed using the security's price on the report date given.
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