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Monday, November 30, 2009, 3:27PM ET - U.S. Markets close in 33 mins.. Dow Up 0.20% Nasdaq Up 0.03%
Vicor Corp. (VICR)At 3:10PM ET: 8.03  Down 0.10 (1.23%)  
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HereMajor Holders
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 34%
% of Shares Held by Institutional & Mutual Fund Owners: 36%
% of Float Held by Institutional & Mutual Fund Owners: 55%
Number of Institutions Holding Shares: 91

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
VINCIARELLI PATRIZIO9,675,4806-Mar-09
EICHTEN ESTIA J411,69823-Jul-08
RIDDIFORD DAVID T96,97221-Apr-09
ANDERSON SAMUEL J32,31527-May-08
GLAZER MARK A13,69020-May-08


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
Barclays Global Investors UK Holdings Ltd1,495,6203.59$11,546,18630-Sep-09
Sun Life Financial Inc.1,049,7702.52$8,104,22430-Sep-09
VANGUARD GROUP, INC. (THE)837,2902.01$6,463,87830-Sep-09
DIMENSIONAL FUND ADVISORS LP783,4241.88$6,048,03330-Sep-09
Goodnow Investment Group, LLC622,9921.50$4,809,49830-Sep-09
P.A.W. CAPITAL PARTNERS580,0001.39$4,477,60030-Sep-09
GALLEON MANAGEMENT L.P.521,7141.25$4,027,63230-Sep-09
STATE STREET CORPORATION405,838.97$3,133,06930-Sep-09
STG Capital Management, LP373,828.90$2,885,95230-Sep-09
RIMA MANAGEMENT LLC346,465.83$2,674,70930-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
ISHARES RUSSELL 2000 INDEX FD285,368.68$2,203,04030-Sep-09
DFA U.S. MICRO CAP SERIES276,111.66$1,482,71630-Apr-09
ISHARES S&P SMALLCAP 600 INDEX FD255,544.61$1,742,81031-Oct-09
VANGUARD SMALL-CAP INDEX FUND238,559.57$1,722,39530-Jun-09
FEDERATED KAUFMANN SMALL CAP FUND194,688.47$1,536,08831-Jul-09
VANGUARD EXTENDED MARKET INDEX FUND172,001.41$1,241,84730-Jun-09
IShares S&P Smallcap 600 Value Index Fund160,033.38$1,091,42531-Oct-09
VANGUARD SMALL-CAP GROWTH INDEX FUND149,598.36$1,080,09730-Jun-09
COLLEGE RETIREMENT EQUITIES FUND-STOCK ACCOUNT118,325.28$854,30630-Jun-09
VANGUARD TOTAL STOCK MARKET INDEX FUND107,043.26$772,85030-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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