CASTLEARK MANAGEMENT LLC Q1 2017 Filing
Filed May 15, 2017
Portfolio Value
$3.2T
Holdings
367
Report Date
Q1 2017
Filing Type
13F-HR
All Holdings (367 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 101 | XHBSPDR SERIES TRUST | 286,600 | $10.7B | 0.33% | |
| 102 | WEAWESTERN ALLIANCE BANCORP | 210,870 | $10.4B | 0.32% | |
| 103 | —CYRUSONE INC | 197,105 | $10.1B | 0.32% | |
| 104 | SKAASKECHERS U S A INC | 367,550 | $10.1B | 0.32% | |
| 105 | MPLXMPLX LP | 277,858 | $10.0B | 0.31% | |
| 106 | CHKEURCHESAPEAKE ENERGY CORP | 1,656,130 | $9.8B | 0.31% | |
| 107 | —WILLIAMS PARTNERS L P NEW | 240,900 | $9.8B | 0.31% | |
| 108 | RDS/AROYAL DUTCH SHELL PLC | 184,730 | $9.7B | 0.31% | |
| 109 | LNWOSCIENTIFIC GAMES CORP | 404,315 | $9.6B | 0.30% | |
| 110 | MPCMARATHON PETE CORP | 188,215 | $9.5B | 0.30% | |
| 111 | PXDEURPIONEER NAT RES CO | 49,890 | $9.3B | 0.29% | |
| 112 | —ALMOST FAMILY INC | 190,560 | $9.3B | 0.29% | |
| 113 | —SPECTRANETICS CORP | 314,410 | $9.2B | 0.29% | |
| 114 | AMDADVANCED MICRO DEVICES INC | 628,550 | $9.1B | 0.29% | |
| 115 | WEPMAGELLAN MIDSTREAM PRTNRS LP | 118,092 | $9.1B | 0.28% | |
| 116 | —ACXIOM CORP | 311,220 | $8.9B | 0.28% | |
| 117 | SUPNSUPERNUS PHARMACEUTICALS INC | 281,091 | $8.8B | 0.28% | |
| 118 | RBCRBC BEARINGS INC | 90,188 | $8.8B | 0.27% | |
| 119 | SFSTIFEL FINL CORP | 173,670 | $8.7B | 0.27% | |
| 120 | ATDALLEGHENY TECHNOLOGIES INC | 474,835 | $8.5B | 0.27% | |
| 121 | BLDRBUILDERS FIRSTSOURCE INC | 571,680 | $8.5B | 0.27% | |
| 122 | PNCPNC FINL SVCS GROUP INC | 70,600 | $8.5B | 0.27% | |
| 123 | —WAGEWORKS INC | 117,145 | $8.5B | 0.27% | |
| 124 | ETENERGY TRANSFER PRTNRS L P | 229,656 | $8.4B | 0.26% | |
| 125 | WFRDWEATHERFORD INTL PLC | 1,252,620 | $8.3B | 0.26% | |
| 126 | —TIVITY HEALTH INC | 284,875 | $8.3B | 0.26% | |
| 127 | —KLX INC | 184,525 | $8.2B | 0.26% | |
| 128 | —GTT COMMUNICATIONS INC | 337,362 | $8.2B | 0.26% | |
| 129 | —K2M GROUP HLDGS INC | 400,308 | $8.2B | 0.26% | |
| 130 | BLDTOPBUILD CORP | 174,310 | $8.2B | 0.26% | |
| 131 | BIDSOTHEBYS | 180,005 | $8.2B | 0.26% | |
| 132 | IPHIINPHI CORP | 165,605 | $8.1B | 0.25% | |
| 133 | MEOHMETHANEX CORP | 170,070 | $8.0B | 0.25% | |
| 134 | VTYVERINT SYS INC | 183,555 | $8.0B | 0.25% | |
| 135 | EFAISHARES TR | 127,500 | $7.9B | 0.25% | |
| 136 | XOMEXXON MOBIL CORP | 96,640 | $7.9B | 0.25% | |
| 137 | COPCONOCOPHILLIPS | 156,420 | $7.8B | 0.24% | |
| 138 | MTORMERITOR INC | 453,600 | $7.8B | 0.24% | |
| 139 | BCOBRINKS CO | 143,990 | $7.7B | 0.24% | |
| 140 | DORMDORMAN PRODUCTS INC | 92,770 | $7.6B | 0.24% | |
| 141 | —TRINSEO S A | 112,660 | $7.6B | 0.24% | |
| 142 | OSKOSHKOSH CORP | 110,150 | $7.6B | 0.24% | |
| 143 | LOGILOGITECH INTL S A | 232,445 | $7.4B | 0.23% | |
| 144 | XECEURCIMAREX ENERGY CO | 61,500 | $7.3B | 0.23% | |
| 145 | RG6ROGERS CORP | 85,385 | $7.3B | 0.23% | |
| 146 | —BARRACUDA NETWORKS INC | 315,696 | $7.3B | 0.23% | |
| 147 | NKTREURNEKTAR THERAPEUTICS | 306,760 | $7.2B | 0.23% | |
| 148 | EGHT8X8 INC NEW | 467,141 | $7.1B | 0.22% | |
| 149 | ACADACADIA PHARMACEUTICALS INC | 206,980 | $7.1B | 0.22% | |
| 150 | WIXWIX COM LTD | 104,330 | $7.1B | 0.22% | |
| 151 | FIVNFIVE9 INC | 429,124 | $7.1B | 0.22% | |
| 152 | —XPERI CORP | 205,260 | $7.0B | 0.22% | |
| 153 | 9990302DAPACHE CORP | 134,760 | $6.9B | 0.22% | |
| 154 | CBOECBOE HLDGS INC | 85,245 | $6.9B | 0.22% | |
| 155 | CLVSEURCLOVIS ONCOLOGY INC | 106,665 | $6.8B | 0.21% | |
| 156 | IARTINTEGRA LIFESCIENCES HLDGS C | 161,053 | $6.8B | 0.21% | |
| 157 | CXOEURCONCHO RES INC | 52,600 | $6.8B | 0.21% | |
| 158 | CPE3EURCALLON PETE CO DEL | 505,910 | $6.7B | 0.21% | |
| 159 | WCNWASTE CONNECTIONS INC | 74,900 | $6.6B | 0.21% | |
| 160 | BKRBAKER HUGHES INC | 106,390 | $6.4B | 0.20% | |
| 161 | —ENCANA CORP | 541,235 | $6.3B | 0.20% | |
| 162 | PROPROS HOLDINGS INC | 261,065 | $6.3B | 0.20% | |
| 163 | —DIGITALGLOBE INC | 189,855 | $6.2B | 0.19% | |
| 164 | HOLXHOLOGIC INC | 144,610 | $6.2B | 0.19% | |
| 165 | AZTABROOKS AUTOMATION INC | 274,565 | $6.2B | 0.19% | |
| 166 | —DERMIRA INC | 179,616 | $6.1B | 0.19% | |
| 167 | FISVFISERV INC | 52,694 | $6.1B | 0.19% | |
| 168 | TSAACI WORLDWIDE INC | 283,810 | $6.1B | 0.19% | |
| 169 | WESWESTERN GAS PARTNERS LP | 96,381 | $5.8B | 0.18% | |
| 170 | SSFSENSIENT TECHNOLOGIES CORP | 72,375 | $5.7B | 0.18% | |
| 171 | WBSWEBSTER FINL CORP CONN | 114,385 | $5.7B | 0.18% | |
| 172 | 5TCTRUECAR INC | 364,035 | $5.6B | 0.18% | |
| 173 | CECELANESE CORP DEL | 62,685 | $5.6B | 0.18% | |
| 174 | RPREALPAGE INC | 160,628 | $5.6B | 0.18% | |
| 175 | HEWGUSDISHARES TR | 200,000 | $5.6B | 0.17% | |
| 176 | SLBSCHLUMBERGER LTD | 70,841 | $5.5B | 0.17% | |
| 177 | PDFSPDF SOLUTIONS INC | 242,939 | $5.5B | 0.17% | |
| 178 | FMCF M C CORP | 78,440 | $5.5B | 0.17% | |
| 179 | ISRGINTUITIVE SURGICAL INC | 7,100 | $5.4B | 0.17% | |
| 180 | AJGGALLAGHER ARTHUR J & CO | 93,610 | $5.3B | 0.17% | |
| 181 | APCANADARKO PETE CORP | 83,940 | $5.2B | 0.16% | |
| 182 | EENI S P A | 157,840 | $5.2B | 0.16% | |
| 183 | ALSNALLISON TRANSMISSION HLDGS I | 143,105 | $5.2B | 0.16% | |
| 184 | —ONEOK PARTNERS LP | 95,320 | $5.1B | 0.16% | |
| 185 | TRUTRANSUNION | 134,090 | $5.1B | 0.16% | |
| 186 | —NUTRI SYS INC NEW | 91,980 | $5.1B | 0.16% | |
| 187 | —KEANE GROUP INC | 356,540 | $5.1B | 0.16% | |
| 188 | SNDSMART SAND INC | 313,679 | $5.1B | 0.16% | |
| 189 | QSRRESTAURANT BRANDS INTL INC | 91,145 | $5.1B | 0.16% | |
| 190 | —ENERGEN CORP | 91,650 | $5.0B | 0.16% | |
| 191 | VLOVALERO ENERGY CORP NEW | 75,180 | $5.0B | 0.16% | |
| 192 | FDCFIRST DATA CORP NEW | 320,410 | $5.0B | 0.16% | |
| 193 | —MIMECAST LTD | 221,455 | $5.0B | 0.16% | |
| 194 | PAAPLAINS ALL AMERN PIPELINE L | 156,730 | $5.0B | 0.16% | |
| 195 | LECOLINCOLN ELEC HLDGS INC | 56,570 | $4.9B | 0.15% | |
| 196 | FFIVF5 NETWORKS INC | 33,850 | $4.8B | 0.15% | |
| 197 | CDWCDW CORP | 83,270 | $4.8B | 0.15% | |
| 198 | TFXTELEFLEX INC | 24,670 | $4.8B | 0.15% | |
| 199 | MTNVAIL RESORTS INC | 24,810 | $4.8B | 0.15% | |
| 200 | —PINNACLE FOODS INC DEL | 81,270 | $4.7B | 0.15% |