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Sunday, November 29, 2009, 12:54AM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Regeneron Pharmaceuticals Inc. (REGN)On Nov 27: 18.09  Down 0.25 (1.36%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 30%
% of Shares Held by Institutional & Mutual Fund Owners: 66%
% of Float Held by Institutional & Mutual Fund Owners: 94%
Number of Institutions Holding Shares: 171

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
SANOFI-AVENTIS14,799,55220-Dec-07
YANCOPOULOS GEORGE563,09416-Dec-08
VAGELOS P ROY361,25123-Jun-09
SCHLEIFER LEONARD S132,05827-Oct-09
SING GEORGE L122,77213-Nov-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
WELLINGTON MANAGEMENT COMPANY, LLP6,269,3367.79$120,998,18430-Sep-09
Barclays Global Investors UK Holdings Ltd5,523,2546.86$106,598,80230-Sep-09
PRICE (T.ROWE) ASSOCIATES INC3,588,3504.46$69,255,15530-Sep-09
FMR LLC2,979,5963.70$57,506,20230-Sep-09
VANGUARD GROUP, INC. (THE)2,791,8113.47$53,881,95230-Sep-09
Icahn Capital Management LP2,508,0013.12$48,404,41930-Sep-09
OPPENHEIMER FUNDS, INC.2,352,3542.92$45,400,43230-Sep-09
STATE STREET CORPORATION2,161,9102.69$41,724,86330-Sep-09
AXA1,866,7502.32$36,028,27530-Sep-09
PINNACLE ASSOCIATES, LTD.1,638,2142.04$31,617,53030-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
PRICE (T.ROWE) NEW HORIZONS FUND1,700,8002.11$32,825,44030-Sep-09
FIDELITY GROWTH COMPANY FUND1,538,9481.91$29,701,69630-Sep-09
VANGUARD EXPLORER FUND, INC.1,450,7641.80$31,162,41031-Jul-09
OPPENHEIMER QUEST FOR VALUE FD-OPPENHEIMER QUEST BALANCED FU1,010,0001.25$21,694,80031-Jul-09
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,008,0091.25$18,063,52130-Jun-09
ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND996,4961.24$15,644,98731-Oct-09
ISHARES RUSSELL 2000 INDEX FD926,3931.15$17,879,38430-Sep-09
ISHARES S&P SMALLCAP 600 INDEX FD821,0531.02$12,890,53231-Oct-09
OPPENHEIMER GLOBAL FUND781,162.97$13,998,42330-Jun-09
VANGUARD SMALL-CAP INDEX FUND759,126.94$13,603,53730-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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