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Thursday, November 26, 2009, 7:33AM ET - U.S. Markets Closed for Thanksgiving Day. Dow Up 0.29% Nasdaq Up 0.32%
Momenta Pharmaceuticals Inc. (MNTA)On Nov 25: 10.35  Down 0.23 (2.17%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 31%
% of Shares Held by Institutional & Mutual Fund Owners: 51%
% of Float Held by Institutional & Mutual Fund Owners: 73%
Number of Institutions Holding Shares: 94

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
LANGER ROBERT950,0228-Aug-08
CRANE ALAN L578,60226-Aug-08
REEDERS STEPHEN TN/A27-Mar-08
VENKATARAMAN GANESH465,13624-Nov-09
WHEELER CRAIG A410,23524-Nov-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
PRICE (T.ROWE) ASSOCIATES INC4,187,2739.38$44,426,96630-Sep-09
Visium Asset Management2,602,6555.83$27,614,16930-Sep-09
Barclays Global Investors UK Holdings Ltd2,130,2474.77$22,601,92030-Sep-09
SECTORAL ASSET MANAGEMENT, INC.1,776,4333.98$18,847,95430-Sep-09
FEDERATED INVESTORS, INC.1,381,4573.10$14,657,25830-Sep-09
MORGAN STANLEY1,322,4822.96$14,031,53430-Sep-09
VANGUARD GROUP, INC. (THE)1,319,7752.96$14,002,81230-Sep-09
PALO ALTO INVESTORS, LLC1,084,0312.43$11,501,56830-Sep-09
Pictet Asset Management Ltd815,7291.83$8,654,88430-Sep-09
NOMURA ASSET MANAGEMENT COMPANY LIMITED815,7291.83$8,654,88430-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
FEDERATED KAUFMANN FUND2,339,2425.24$25,380,77531-Jul-09
PRICE (T.ROWE) NEW HORIZONS FUND1,555,0003.48$16,498,55030-Sep-09
PRICE (T.ROWE) SMALL-CAP VALUE FUND927,4002.08$9,839,71430-Sep-09
ISHARES RUSSELL 2000 INDEX FD516,9961.16$5,485,32730-Sep-09
ISHARES NASDAQ BIOTECHNOLOGY INDEX FUND406,827.91$3,710,26231-Oct-09
FIDELITY SELECT PORTFOLIOS - BIOTECHNOLOGY403,340.90$4,279,43730-Sep-09
VANGUARD SMALL-CAP INDEX FUND362,850.81$4,365,08530-Jun-09
ISHARES RUSSELL 2000 GROWTH INDEX FD270,614.61$2,871,21430-Sep-09
VANGUARD TOTAL STOCK MARKET INDEX FUND260,473.58$3,133,49030-Jun-09
DFA U.S. MICRO CAP SERIES253,493.57$2,839,12130-Apr-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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