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Saturday, November 28, 2009, 7:59PM ET - U.S. Markets Closed. Dow Down 1.48% Nasdaq Down 1.73%
OPNET Technologies Inc. (OPNT)On Nov 27: 10.29  Down 0.55 (5.07%)  
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Major HoldersGet Major Holders for:
BREAKDOWN
% of Shares Held by All Insider and 5% Owners: 36%
% of Shares Held by Institutional & Mutual Fund Owners: 47%
% of Float Held by Institutional & Mutual Fund Owners: 74%
Number of Institutions Holding Shares: 62

MAJOR DIRECT HOLDERS (FORMS 3 & 4)
HolderSharesReported
COHEN ALAIN J4,695,30726-Oct-09
COHEN MARC A2,666,32326-Oct-09
STASIOR WILLIAM F54,00014-Sep-09
FINN STEVEN G29,00014-Sep-09
WESLEY MELVIN III16,96426-Oct-09


TOP INSTITUTIONAL HOLDERS
HolderShares% OutValue*Reported
MARXE, AUSTIN W. & GREENHOUSE, DAVID M.1,454,1567.01$15,893,92530-Sep-09
WASATCH ADVISORS INC1,349,3386.50$14,748,26430-Sep-09
RGM Capital, LLC833,0224.01$9,104,93030-Sep-09
S SQUARED TECHNOLOGY CORP.731,9003.53$7,999,66730-Sep-09
DIMENSIONAL FUND ADVISORS LP688,9073.32$7,529,75330-Sep-09
Barclays Global Investors UK Holdings Ltd668,4613.22$7,306,27830-Sep-09
VANGUARD GROUP, INC. (THE)589,1412.84$6,439,31130-Sep-09
Roumell Asset Management LLC533,1572.57$5,827,40630-Sep-09
RENAISSANCE TECHNOLOGIES, LLC376,4001.81$4,114,05230-Sep-09
KALMAR INVESTMENTS INC.293,0411.41$3,202,93830-Sep-09

TOP MUTUAL FUND HOLDERS
HolderShares% OutValue*Reported
WASATCH MICROCAP FUND395,4051.91$3,621,90930-Jun-09
WASATCH SMALL CAP VALUE FUND205,535.99$1,882,70030-Jun-09
DFA U.S. MICRO CAP SERIES204,034.98$1,754,69230-Apr-09
ISHARES RUSSELL 2000 INDEX FD191,690.92$2,095,17130-Sep-09
VANGUARD SMALL-CAP INDEX FUND164,370.79$1,505,62930-Jun-09
WASATCH ULTRA GROWTH FUND133,500.64$1,222,86030-Jun-09
VANGUARD TOTAL STOCK MARKET INDEX FUND130,291.63$1,193,46530-Jun-09
VANGUARD EXTENDED MARKET INDEX FUND124,210.60$1,137,76330-Jun-09
KALMAR POOLED INVESTMENT TR-GROWTH-WITH-VALUE-SMALLCAP F112,145.54$1,225,74430-Sep-09
VANGUARD SMALL-CAP GROWTH INDEX FUND102,790.50$941,55630-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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