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    <cusip>037833100</cusip>
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    <nameOfIssuer>AMERISOURCEBERGEN CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03073E105</cusip>
    <value>11300</value>
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    <titleOfClass>COM</titleOfClass>
    <cusip>006854202</cusip>
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    <cusip>00548A106</cusip>
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    <nameOfIssuer>ALLIANCE DATA SYS CORP</nameOfIssuer>
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    <cusip>018581108</cusip>
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      <Sole>8501</Sole>
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    <nameOfIssuer>AMERICAN EAGLE OUTFITTERS INC.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02553E106</cusip>
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    <titleOfClass>COM</titleOfClass>
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    <titleOfClass>COM</titleOfClass>
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    <titleOfClass>COM</titleOfClass>
    <cusip>00847J105</cusip>
    <value>8</value>
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    <titleOfClass>COM</titleOfClass>
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    <cusip>02043Q107</cusip>
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    <titleOfClass>COM</titleOfClass>
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      <Sole>23665</Sole>
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    <titleOfClass>COM</titleOfClass>
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    <value>270</value>
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    <titleOfClass>COM</titleOfClass>
    <cusip>00182C103</cusip>
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    <titleOfClass>COM</titleOfClass>
    <cusip>03662Q105</cusip>
    <value>13638</value>
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    <titleOfClass>COM</titleOfClass>
    <cusip>037411105</cusip>
    <value>250</value>
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    <nameOfIssuer>ANADARKO PETROLEUM CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>032511107</cusip>
    <value>394</value>
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    <titleOfClass>COM</titleOfClass>
    <cusip>037598109</cusip>
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      <Sole>211388</Sole>
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    <titleOfClass>COM</titleOfClass>
    <cusip>03834A103</cusip>
    <value>141</value>
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      <Sole>6194</Sole>
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      <None>0</None>
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    <titleOfClass>COM</titleOfClass>
    <cusip>009363102</cusip>
    <value>4980</value>
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      <Sole>4890</Sole>
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    <titleOfClass>COM</titleOfClass>
    <cusip>043176106</cusip>
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    <nameOfIssuer>A10 NETWORKS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
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    <value>82</value>
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      <Sole>6174</Sole>
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    <nameOfIssuer>ATMEL CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>049513104</cusip>
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      <Sole>82681</Sole>
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    <nameOfIssuer>ATRICURE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04963C209</cusip>
    <value>3552</value>
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      <Sole>156510</Sole>
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      <None>36770</None>
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    <nameOfIssuer>ASTRONICS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>046433108</cusip>
    <value>12516</value>
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      <sshPrnamt>221724</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
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      <Sole>172344</Sole>
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      <None>49380</None>
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    <nameOfIssuer>HOMEAWAY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>43739Q100</cusip>
    <value>19401</value>
    <shrsOrPrnAmt>
      <sshPrnamt>557189</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
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      <Sole>464852</Sole>
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      <None>92337</None>
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    <nameOfIssuer>ARMSTRONG WORLD INDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04247X102</cusip>
    <value>11170</value>
    <shrsOrPrnAmt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31775</Sole>
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      <None>162720</None>
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    <nameOfIssuer>AMERICAN EXPRESS CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>025816109</cusip>
    <value>443</value>
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    <nameOfIssuer>ACUITY BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
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    <titleOfClass>COM</titleOfClass>
    <cusip>097023105</cusip>
    <value>313</value>
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    <nameOfIssuer>BANK OF AMER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>060505104</cusip>
    <value>706</value>
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      <sshPrnamt>45921</sshPrnamt>
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      <Sole>45921</Sole>
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    <nameOfIssuer>DIVERSIFIED RSTRNT HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>25532M105</cusip>
    <value>2079</value>
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    <nameOfIssuer>BERKSHIRE HATHAWAY INC DEL  CL B</nameOfIssuer>
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    <nameOfIssuer>THE BLACKSTONE GROUP</nameOfIssuer>
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    <nameOfIssuer>CITIGROUP INC</nameOfIssuer>
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    <nameOfIssuer>CHICAGO BRIDGE &amp; IRON  CO   N Y REGISTRY SH</nameOfIssuer>
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    <nameOfIssuer>CHRISTOPHER &amp; BANKS COPR</nameOfIssuer>
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    <nameOfIssuer>Cracker Barrel Old Country Store, Inc</nameOfIssuer>
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    <nameOfIssuer>CNB FINL CORP PA</nameOfIssuer>
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      <Sole>10100</Sole>
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    <nameOfIssuer>CHUY`S HOLDINGS INC</nameOfIssuer>
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    <nameOfIssuer>CARMIKE CINEMAS INC</nameOfIssuer>
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    <nameOfIssuer>COLGATE PALMOLIVE CO</nameOfIssuer>
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    <cusip>194162103</cusip>
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    <nameOfIssuer>COMCAST CORP CL A</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>20030N101</cusip>
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    <titleOfClass>COM</titleOfClass>
    <cusip>151408101</cusip>
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    <votingAuthority>
      <Sole>12683</Sole>
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      <None>105488</None>
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      <Sole>662956</Sole>
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    <cusip>14040H105</cusip>
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    <votingAuthority>
      <Sole>4302</Sole>
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      <None>0</None>
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    <votingAuthority>
      <Sole>9348</Sole>
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      <None>0</None>
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      <Sole>245159</Sole>
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      <None>96047</None>
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    <votingAuthority>
      <Sole>16590</Sole>
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      <None>1193</None>
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    <value>173</value>
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      <Sole>6045</Sole>
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      <None>0</None>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21836</Sole>
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      <None>0</None>
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    <value>342</value>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30570</Sole>
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      <None>0</None>
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    <value>466</value>
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      <Sole>10117</Sole>
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      <None>0</None>
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      <Sole>5890</Sole>
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      <None>0</None>
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    <nameOfIssuer>COGNIZANT TECHNOLOGY SOLUTIONS</nameOfIssuer>
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    <cusip>192446102</cusip>
    <value>1268</value>
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      <Sole>23916</Sole>
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      <None>2000</None>
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    <nameOfIssuer>CUBESMART</nameOfIssuer>
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    <value>11800</value>
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      <Sole>66920</Sole>
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      <None>577200</None>
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      <Sole>254623</Sole>
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      <None>576190</None>
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      <Sole>3370</Sole>
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      <None>29197</None>
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      <Sole>14276</Sole>
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      <None>0</None>
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      <Sole>15240</Sole>
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      <None>0</None>
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    <nameOfIssuer>CYNOSURE INC.</nameOfIssuer>
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      <sshPrnamt>262715</sshPrnamt>
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    <nameOfIssuer>CITIZENS FINL SVCS INC</nameOfIssuer>
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      <Sole>4459</Sole>
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    <nameOfIssuer>DU PONT E I DE NEMOURS CO</nameOfIssuer>
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    <nameOfIssuer>DECKERS OUTDOOR CORPORATION</nameOfIssuer>
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    <nameOfIssuer>DONEGAL GROUP INC J CL A</nameOfIssuer>
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      <Sole>2271</Sole>
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    <nameOfIssuer>DISNEY WALT PRODTNS</nameOfIssuer>
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    <nameOfIssuer>DICKS SPORTING GOODS INC</nameOfIssuer>
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    <nameOfIssuer>DORMAN PRODUCTS INC</nameOfIssuer>
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      <Sole>17635</Sole>
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      <None>149131</None>
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    <nameOfIssuer>DIRECTV</nameOfIssuer>
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    <value>236</value>
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    <value>185</value>
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    <nameOfIssuer>CHANNELADVISOR CORP</nameOfIssuer>
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    <nameOfIssuer>8X8 INC NEW</nameOfIssuer>
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    <nameOfIssuer>eMagin Corporation</nameOfIssuer>
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    <cusip>29076N206</cusip>
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    <cusip>268648102</cusip>
    <value>194</value>
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    <votingAuthority>
      <Sole>7382</Sole>
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      <None>0</None>
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    <nameOfIssuer>GREEN MTN COFFEE ROASTERS INCOM</nameOfIssuer>
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    <nameOfIssuer>GLIMCHER RLTY TR SH BEN INT</nameOfIssuer>
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    <nameOfIssuer>GUIDEWIRE SOFTWARE INC</nameOfIssuer>
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    <nameOfIssuer>HALLIBURTON CO</nameOfIssuer>
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      <Sole>2998</Sole>
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    <nameOfIssuer>HARMAN INTERNATIONAL</nameOfIssuer>
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    <cusip>413086109</cusip>
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      <Sole>21512</Sole>
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    <nameOfIssuer>HEALTHCARE SVCS GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
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    <nameOfIssuer>HOME DEPOT INC</nameOfIssuer>
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    <nameOfIssuer>H&amp;E EQUIPMENT SERVICES INC</nameOfIssuer>
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    <nameOfIssuer>HESS CORP</nameOfIssuer>
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    <nameOfIssuer>HIBBETT SPORTS INC</nameOfIssuer>
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    <nameOfIssuer>HEALTH INSURANCE INOVATIONS</nameOfIssuer>
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    <cusip>42225K106</cusip>
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    <nameOfIssuer>HALCON RESOURCES CORPORATION</nameOfIssuer>
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    <nameOfIssuer>HERBALIFE LTD              USD SHS</nameOfIssuer>
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    <nameOfIssuer>HONEYWELL INTL INC</nameOfIssuer>
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    <nameOfIssuer>HEWLETT PACKARD COMPANY</nameOfIssuer>
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    <nameOfIssuer>HERON THERAPEUTICS INC</nameOfIssuer>
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    <nameOfIssuer>HERSHA HOSPITALITY TR PRIORITY A SHS</nameOfIssuer>
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    <cusip>427825104</cusip>
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    <nameOfIssuer>HORIZON PHARMA, INC</nameOfIssuer>
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    <cusip>44047T109</cusip>
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      <Sole>760886</Sole>
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    <nameOfIssuer>MARINEMAX INC</nameOfIssuer>
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      <Sole>414640</Sole>
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    <nameOfIssuer>I B M</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>459200101</cusip>
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    <nameOfIssuer>INDEPENDENT BANK GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45384B106</cusip>
    <value>98</value>
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      <sshPrnamt>1760</sshPrnamt>
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      <Sole>1760</Sole>
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    <nameOfIssuer>ICAD INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>44934S206</cusip>
    <value>166</value>
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      <sshPrnamt>25910</sshPrnamt>
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      <Sole>25910</Sole>
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      <None>0</None>
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    <nameOfIssuer>IntercontinentalExchange Group, Inc</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45866F104</cusip>
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      <Sole>5992</Sole>
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    <nameOfIssuer>ICG GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>44928D108</cusip>
    <value>8623</value>
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      <Sole>45578</Sole>
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    <nameOfIssuer>INTERCEPT PHARMACEUTICAL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45845P108</cusip>
    <value>5942</value>
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      <sshPrnamt>25113</sshPrnamt>
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    <votingAuthority>
      <Sole>17498</Sole>
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      <None>7615</None>
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    <nameOfIssuer>IMAX CORP</nameOfIssuer>
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    <nameOfIssuer>JACK IN THE BOX INC</nameOfIssuer>
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    <nameOfIssuer>JPMORGAN CHASE &amp; CO</nameOfIssuer>
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    <nameOfIssuer>KATE SPADE &amp; CO</nameOfIssuer>
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    <nameOfIssuer>KORN FERRY INTERNATIONAL</nameOfIssuer>
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    <nameOfIssuer>KINDER MORGAN INC.</nameOfIssuer>
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    <nameOfIssuer>QUAKER CHEM CORP</nameOfIssuer>
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    <nameOfIssuer>LITHIA MOTORS-A</nameOfIssuer>
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    <value>14272</value>
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    <nameOfIssuer>LAZARD LTD-CL A</nameOfIssuer>
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    <cusip>G54050102</cusip>
    <value>1177</value>
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    <nameOfIssuer>LDR HOLDING CORP</nameOfIssuer>
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    <cusip>50185U105</cusip>
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      <Sole>51637</Sole>
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    <nameOfIssuer>LENNAR CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>526057104</cusip>
    <value>1626</value>
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    <nameOfIssuer>LIONS GATE ENTERTAINMENT CORP</nameOfIssuer>
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    <nameOfIssuer>LUMBER LIQUIDATORS HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
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    <value>5284</value>
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    <nameOfIssuer>LILLY, ELI ANDPANY</nameOfIssuer>
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    <nameOfIssuer>LOCKHEED MARTIN CORP</nameOfIssuer>
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    <cusip>539830109</cusip>
    <value>227</value>
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    <nameOfIssuer>LINKEDIN CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>53578A108</cusip>
    <value>1472</value>
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      <Sole>7925</Sole>
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    <nameOfIssuer>LIBERTY PPTY TR SH BEN INT</nameOfIssuer>
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    <cusip>531172104</cusip>
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      <Sole>25965</Sole>
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      <None>227340</None>
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    <nameOfIssuer>SOUTHWEST AIR</nameOfIssuer>
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    <cusip>844741108</cusip>
    <value>3443</value>
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    <votingAuthority>
      <Sole>119556</Sole>
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      <None>8644</None>
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    <nameOfIssuer>LAS VEGAS SANDS CORP</nameOfIssuer>
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    <cusip>517834107</cusip>
    <value>183</value>
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      <Sole>2406</Sole>
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      <None>0</None>
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    <nameOfIssuer>MASTERCARD INC              CL A</nameOfIssuer>
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    <cusip>57636Q104</cusip>
    <value>233</value>
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      <Sole>3169</Sole>
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    <nameOfIssuer>MATTHEWS INTL CORP          CL A</nameOfIssuer>
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    <nameOfIssuer>MALIBU BOATS INC-CLASS A</nameOfIssuer>
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    <cusip>56117J100</cusip>
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      <None>44580</None>
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    <cusip>60786M105</cusip>
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      <Sole>50610</Sole>
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      <None>9590</None>
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    <nameOfIssuer>MCDONALDS  CORP</nameOfIssuer>
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    <cusip>580135101</cusip>
    <value>427</value>
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    <votingAuthority>
      <Sole>4235</Sole>
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      <None>0</None>
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    <value>229</value>
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      <sshPrnamt>3596</sshPrnamt>
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      <Sole>3596</Sole>
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      <None>0</None>
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    <nameOfIssuer>MEDIVATION INC</nameOfIssuer>
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    <value>46</value>
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      <Sole>600</Sole>
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      <None>0</None>
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    <nameOfIssuer>METHODE ELECTRONICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>591520200</cusip>
    <value>8498</value>
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      <Sole>181773</Sole>
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    <nameOfIssuer>METLIFE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>59156R108</cusip>
    <value>253</value>
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      <Sole>4548</Sole>
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      <None>0</None>
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    <nameOfIssuer>MULTIMEDIA GAMES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>625453105</cusip>
    <value>17583</value>
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      <Sole>470062</Sole>
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      <None>123147</None>
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    <nameOfIssuer>MACROGENICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>556099109</cusip>
    <value>4984</value>
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      <Sole>185819</Sole>
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      <None>43560</None>
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    <nameOfIssuer>MCGRAW HILL FINANCIAL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>580645109</cusip>
    <value>2688</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32373</sshPrnamt>
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    <votingAuthority>
      <Sole>29879</Sole>
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      <None>2494</None>
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    <nameOfIssuer>MAGNUM HUNTER RES CORP DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>55973B102</cusip>
    <value>16365</value>
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      <sshPrnamt>1995728</sshPrnamt>
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    <votingAuthority>
      <Sole>1652346</Sole>
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      <None>343382</None>
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    <nameOfIssuer>MIDDLEBY CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>596278101</cusip>
    <value>18520</value>
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      <sshPrnamt>223887</sshPrnamt>
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    <votingAuthority>
      <Sole>179952</Sole>
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      <None>43935</None>
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    <nameOfIssuer>MILLICOM INTL CELLULAR S A  SHS NEW</nameOfIssuer>
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    <cusip>L6388F110</cusip>
    <value>2</value>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22</Sole>
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      <None>0</None>
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    <nameOfIssuer>MARCUS &amp; MILLICHAP INC</nameOfIssuer>
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    <cusip>566324109</cusip>
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      <Sole>11050</Sole>
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      <None>95810</None>
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    <nameOfIssuer>3M CO</nameOfIssuer>
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      <Sole>2450</Sole>
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      <None>0</None>
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    <nameOfIssuer>ALTRIA GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02209S103</cusip>
    <value>349</value>
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      <sshPrnamt>8313</sshPrnamt>
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    <nameOfIssuer>MONSANTO CO NEW</nameOfIssuer>
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    <cusip>61166W101</cusip>
    <value>201</value>
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      <Sole>1609</Sole>
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    <nameOfIssuer>THE MOSAIC COMPANY</nameOfIssuer>
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    <cusip>61945C103</cusip>
    <value>15</value>
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      <sshPrnamt>300</sshPrnamt>
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      <None>0</None>
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    <nameOfIssuer>MERCK &amp;PANY</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>58933Y105</cusip>
    <value>317</value>
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    <votingAuthority>
      <Sole>5485</Sole>
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    <nameOfIssuer>MARATHON OIL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>565849106</cusip>
    <value>276</value>
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      <Sole>6923</Sole>
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    <nameOfIssuer>MORGAN STANLEY</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>617446448</cusip>
    <value>285</value>
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      <Sole>8825</Sole>
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      <None>0</None>
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    <nameOfIssuer>MICROSEMI CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>595137100</cusip>
    <value>12631</value>
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      <sshPrnamt>472029</sshPrnamt>
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      <Sole>384096</Sole>
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      <None>87933</None>
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    <nameOfIssuer>MICROSOFT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>594918104</cusip>
    <value>1504</value>
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      <sshPrnamt>36058</sshPrnamt>
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      <Sole>36058</Sole>
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      <None>0</None>
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    <nameOfIssuer>MICROSTRATEGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>594972408</cusip>
    <value>17</value>
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      <Sole>120</Sole>
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    <nameOfIssuer>MICRON TECHNOLOGY INC</nameOfIssuer>
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    <cusip>595112103</cusip>
    <value>2904</value>
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    <votingAuthority>
      <Sole>82211</Sole>
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      <None>5931</None>
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    <nameOfIssuer>MWI VETERINARY SUPPLY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>55402X105</cusip>
    <value>37908</value>
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      <Sole>181876</Sole>
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      <None>85103</None>
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    <nameOfIssuer>MYLAN LABS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>628530107</cusip>
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    <votingAuthority>
      <Sole>39277</Sole>
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      <None>201594</None>
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    <nameOfIssuer>FIRST NBC BANK HOLDING CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>32115D106</cusip>
    <value>13254</value>
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    <votingAuthority>
      <Sole>315360</Sole>
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      <None>80160</None>
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    <nameOfIssuer>NEUROCRINE BIOSCIENCES, INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>64125C109</cusip>
    <value>3560</value>
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      <Sole>202550</Sole>
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      <None>37440</None>
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    <nameOfIssuer>NEONODE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>64051M402</cusip>
    <value>448</value>
    <shrsOrPrnAmt>
      <sshPrnamt>143037</sshPrnamt>
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      <Sole>143037</Sole>
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      <None>0</None>
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    <nameOfIssuer>NIKE INC CL B</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>654106103</cusip>
    <value>189</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2436</sshPrnamt>
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      <Sole>2436</Sole>
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      <None>0</None>
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    <nameOfIssuer>NN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>629337106</cusip>
    <value>225</value>
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      <sshPrnamt>8778</sshPrnamt>
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      <Sole>8778</Sole>
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      <None>0</None>
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  <infoTable>
    <nameOfIssuer>NATIONAL-OILWELL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>637071101</cusip>
    <value>197</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2388</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2388</Sole>
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      <None>0</None>
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  <infoTable>
    <nameOfIssuer>SERVICENOW INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>81762P102</cusip>
    <value>2795</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45104</sshPrnamt>
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    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42062</Sole>
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      <None>3042</None>
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