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Sunday, November 29, 2009, 2:26PM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
Sycamore Networks Inc. (SCMR)On Nov 27: 2.85  Down 0.01 (0.35%)  
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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: 60%
% of Float Held by Institutional & Mutual Fund Owners: 87%
Number of Institutions Holding Shares: 117

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
SMITH DANIEL E21,528,85729-Aug-08
GERDELMAN JOHN W15,0344-Sep-09
OYE KEVIN1,59721-Dec-07


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
DIMENSIONAL FUND ADVISORS LP17,883,0356.29$54,006,76530-Sep-09
SMITH (DONALD) & COMPANY INC.11,615,8794.08$35,079,95430-Sep-09
Barclays Global Investors UK Holdings Ltd10,179,8263.58$30,743,07430-Sep-09
VANGUARD GROUP, INC. (THE)7,840,8622.76$23,679,40330-Sep-09
THIRD AVENUE MANAGEMENT, LLC45,658,03316.05$137,887,25930-Sep-09
FMR LLC35,062,85312.33$105,889,81630-Sep-09
STATE STREET CORPORATION4,316,6661.52$13,036,33130-Sep-09
RENAISSANCE TECHNOLOGIES, LLC4,242,2001.49$12,811,44430-Sep-09
Brandywine Global Investment Management, LLC3,969,8601.40$11,988,97730-Sep-09
GRANAHAN INVESTMENT MANAGEMENT INC.3,739,4001.31$11,292,98830-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
VARIABLE INSURANCE PRODUCTS FD II-CONTRAFUND PORTFOLIO16,586,6325.83$50,091,62830-Sep-09
MET INVESTORS SER TR-THIRD AVENUE SMALL CAP VALUE14,011,0494.93$43,854,58330-Jun-09
FIDELITY BALANCED FUND11,114,7003.91$33,566,39430-Sep-09
THIRD AVENUE VALUE FUND, INC.10,000,0003.52$34,000,00031-Jul-09
DFA U.S. SMALL CAP VALUE SERIES6,832,6682.40$20,156,37030-Apr-09
Fidelity Series All Sector Equity Fund6,814,9212.40$20,581,06130-Sep-09
VANGUARD EXPLORER FUND, INC.4,031,1001.42$13,705,74031-Jul-09
THIRD AVENUE SMALL-CAP VALUE FUND3,608,1401.27$12,267,67631-Jul-09
ISHARES RUSSELL 2000 INDEX FD2,829,333.99$8,544,58530-Sep-09
VANGUARD SMALL-CAP INDEX FUND2,420,082.85$7,574,85630-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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