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    <cusip>049164205</cusip>
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    <nameOfIssuer>ABBOTT LABS</nameOfIssuer>
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    <cusip>002824100</cusip>
    <value>1126</value>
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      <Sole>25870</Sole>
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    <cusip>032654105</cusip>
    <value>1568</value>
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      <Sole>9156</Sole>
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    <nameOfIssuer>AMERICAN EAGLE OUTFITTERS INC.</nameOfIssuer>
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    <cusip>02553E106</cusip>
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    <cusip>02043Q107</cusip>
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    <nameOfIssuer>ADVANCED MICRO DEVICES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>007903107</cusip>
    <value>1292</value>
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    <nameOfIssuer>AFFILIATED MANAGERS GROUP INC</nameOfIssuer>
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    <cusip>008252108</cusip>
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    <nameOfIssuer>EVOQUA WATER TECHNOLOGIES INC</nameOfIssuer>
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    <cusip>30057T105</cusip>
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    <nameOfIssuer>ARENA PHARMACEUTICALS INC</nameOfIssuer>
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    <cusip>045396108</cusip>
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    <cusip>01741R102</cusip>
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    <titleOfClass>COM</titleOfClass>
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      <Sole>505181</Sole>
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    <titleOfClass>COM</titleOfClass>
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    <nameOfIssuer>BERRY GLOBAL GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>08579W103</cusip>
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    <nameOfIssuer>BGC PARTNERS INC</nameOfIssuer>
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    <nameOfIssuer>BIOHAVEN PHARMACEUTICAL HOLDINGS</nameOfIssuer>
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    <cusip>G11196105</cusip>
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    <nameOfIssuer>BRYN MAWR BK CORP</nameOfIssuer>
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    <titleOfClass>COM</titleOfClass>
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    <value>2563</value>
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    <nameOfIssuer>BORGWARNER INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
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    <value>1334</value>
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    <nameOfIssuer>CADENCE BANCORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>12739A100</cusip>
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    <titleOfClass>COM</titleOfClass>
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    <value>1262</value>
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    <nameOfIssuer>CNB FINL CORP PA</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
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      <Sole>2184</Sole>
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    <votingAuthority>
      <Sole>61365</Sole>
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      <None>5164</None>
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    <nameOfIssuer>CNX Resources Corp.</nameOfIssuer>
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      <Sole>16900</Sole>
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      <None>0</None>
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      <Sole>4155</Sole>
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    <nameOfIssuer>CALLON PETROLEUM CO</nameOfIssuer>
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      <Sole>2232</Sole>
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      <Sole>5170</Sole>
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      <Sole>3579</Sole>
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      <Sole>2254</Sole>
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      <Sole>241638</Sole>
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    <nameOfIssuer>EDWARDS LIFESCIENCES</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
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    <nameOfIssuer>EXACT SCIENCES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30063P105</cusip>
    <value>854</value>
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    <nameOfIssuer>EAGLE MATLS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
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      <Sole>9293</Sole>
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    <nameOfIssuer>DIAMONDBACK ENERGY INC</nameOfIssuer>
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    <cusip>25278X109</cusip>
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      <sshPrnamt>6570</sshPrnamt>
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      <Sole>5953</Sole>
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    <nameOfIssuer>FACEBOOK INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30303M102</cusip>
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    <nameOfIssuer>INNOSPEC INC</nameOfIssuer>
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    <nameOfIssuer>IPG PHOTONICS CORP</nameOfIssuer>
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    <nameOfIssuer>INTEGER HOLDINGS CORP</nameOfIssuer>
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    <cusip>45826H109</cusip>
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    <nameOfIssuer>JACK IN THE BOX INC</nameOfIssuer>
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    <nameOfIssuer>JAZZ PHARMACEUTICALS PLC SHS</nameOfIssuer>
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    <nameOfIssuer>JOHN BEAN TECHNOLOGIES CORP</nameOfIssuer>
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    <nameOfIssuer>JACK HENRY &amp; ASSOCIATES INC</nameOfIssuer>
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      <Sole>10578</Sole>
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    <nameOfIssuer>VIPER ENERGY PA</nameOfIssuer>
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    <cusip>92763M105</cusip>
    <value>264</value>
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      <Sole>6270</Sole>
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    <nameOfIssuer>VARONIS SYSTEMS INC</nameOfIssuer>
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      <Sole>438082</Sole>
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    <nameOfIssuer>WABTEC CORPORATION</nameOfIssuer>
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    <value>235</value>
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      <Sole>2241</Sole>
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    <nameOfIssuer>WESTERN ALLIANCE BANCORP</nameOfIssuer>
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    <cusip>957638109</cusip>
    <value>1049</value>
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      <Sole>16978</Sole>
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    <nameOfIssuer>BOINGO WIRELESS INC</nameOfIssuer>
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    <value>33</value>
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      <Sole>23876</Sole>
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    <cusip>981558109</cusip>
    <value>1775</value>
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      <sshPrnamt>17528</sshPrnamt>
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    <votingAuthority>
      <Sole>15855</Sole>
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    <nameOfIssuer>WPX ENERGY INC</nameOfIssuer>
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      <sshPrnamt>91513</sshPrnamt>
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      <Sole>84716</Sole>
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    <cusip>955306105</cusip>
    <value>311</value>
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      <Sole>2520</Sole>
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    <nameOfIssuer>EXTRACTION OIL &amp; GAS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30227M105</cusip>
    <value>12437</value>
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      <Sole>3775</Sole>
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    <nameOfIssuer>ZOGENIX INC</nameOfIssuer>
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      <Sole>260000</Sole>
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    <nameOfIssuer>ZSCALER INC</nameOfIssuer>
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    <cusip>98980G102</cusip>
    <value>5480</value>
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      <sshPrnamt>134380</sshPrnamt>
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      <Sole>82260</Sole>
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      <None>52120</None>
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