WESTFIELD CAPITAL MANAGEMENT CO LP Q3 2017 Filing
Filed November 13, 2017
Portfolio Value
$13.0T
Holdings
251
Report Date
Q3 2017
Filing Type
13F-HR
All Holdings (251 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 101 | SPLKCHFSPLUNK INC | 724,289 | $48.1B | 0.37% | |
| 102 | BLDRBUILDERS FIRSTSOURCE INC | 2,650,809 | $47.7B | 0.37% | |
| 103 | FISFIDELITY NATL INFORMATION SV | 494,400 | $46.2B | 0.35% | |
| 104 | EQIXEQUINIX INC | 103,131 | $46.0B | 0.35% | |
| 105 | ITGARTNER INC | 360,070 | $44.8B | 0.34% | |
| 106 | —ORBOTECH LTD | 1,044,286 | $44.1B | 0.34% | |
| 107 | NTBBANK OF NT BUTTERFIELD&SON L | 1,199,020 | $43.9B | 0.34% | |
| 108 | —ELDORADO RESORTS INC | 1,689,249 | $43.3B | 0.33% | |
| 109 | —BIOVERATIV INC | 757,209 | $43.2B | 0.33% | |
| 110 | AXTAAXALTA COATING SYS LTD | 1,482,420 | $42.9B | 0.33% | |
| 111 | IARTINTEGRA LIFESCIENCES HLDGS C | 840,556 | $42.4B | 0.33% | |
| 112 | NXSTNEXSTAR MEDIA GROUP INC | 673,228 | $41.9B | 0.32% | |
| 113 | FLSFLOWSERVE CORP | 978,274 | $41.7B | 0.32% | |
| 114 | PANWPALO ALTO NETWORKS INC | 285,691 | $41.2B | 0.32% | |
| 115 | OMCLOMNICELL INC | 798,212 | $40.7B | 0.31% | |
| 116 | PRTAPROTHENA CORP PLC | 623,489 | $40.4B | 0.31% | |
| 117 | SUISUN CMNTYS INC | 467,879 | $40.1B | 0.31% | |
| 118 | —AVEXIS INC | 409,000 | $39.6B | 0.30% | |
| 119 | DGXQUEST DIAGNOSTICS INC | 413,651 | $38.7B | 0.30% | |
| 120 | ADSKAUTODESK INC | 337,409 | $37.9B | 0.29% | |
| 121 | CLVSEURCLOVIS ONCOLOGY INC | 459,470 | $37.9B | 0.29% | |
| 122 | ONON SEMICONDUCTOR CORP | 2,042,769 | $37.7B | 0.29% | |
| 123 | GRA1EURGRACE W R & CO DEL NEW | 521,495 | $37.6B | 0.29% | |
| 124 | 4DHDANA INCORPORATED | 1,336,871 | $37.4B | 0.29% | |
| 125 | CR1USDCRANE CO | 464,495 | $37.2B | 0.29% | |
| 126 | RPREALPAGE INC | 924,228 | $36.9B | 0.28% | |
| 127 | AOSSMITH A O | 618,464 | $36.8B | 0.28% | |
| 128 | PXDEURPIONEER NAT RES CO | 245,495 | $36.2B | 0.28% | |
| 129 | BFAMBRIGHT HORIZONS FAM SOL IN D | 419,731 | $36.2B | 0.28% | |
| 130 | —BMC STK HLDGS INC | 1,679,076 | $35.8B | 0.28% | |
| 131 | RUSHARUSH ENTERPRISES INC | 771,376 | $35.7B | 0.27% | |
| 132 | PFPTPROOFPOINT INC | 401,245 | $35.0B | 0.27% | |
| 133 | ODFLOLD DOMINION FGHT LINES INC | 311,552 | $34.3B | 0.26% | |
| 134 | MGMMGM RESORTS INTERNATIONAL | 1,043,905 | $34.0B | 0.26% | |
| 135 | VMCVULCAN MATLS CO | 284,381 | $34.0B | 0.26% | |
| 136 | EWBCEAST WEST BANCORP INC | 559,290 | $33.4B | 0.26% | |
| 137 | MSGSMADISON SQUARE GARDEN CO NEW | 153,248 | $32.8B | 0.25% | |
| 138 | UNVREURUNIVAR INC | 1,129,934 | $32.7B | 0.25% | |
| 139 | FLT1EURFLEETCOR TECHNOLOGIES INC | 210,789 | $32.6B | 0.25% | |
| 140 | VYXNCR CORP NEW | 864,743 | $32.4B | 0.25% | |
| 141 | PTCPTC INC | 566,216 | $31.9B | 0.24% | |
| 142 | —CAVIUM INC | 477,295 | $31.5B | 0.24% | |
| 143 | BLDTOPBUILD CORP | 477,315 | $31.1B | 0.24% | |
| 144 | —FCB FINL HLDGS INC | 642,600 | $31.0B | 0.24% | |
| 145 | ACCUSDAMERICAN CAMPUS CMNTYS INC | 700,715 | $30.9B | 0.24% | |
| 146 | DLTRDOLLAR TREE INC | 351,722 | $30.5B | 0.23% | |
| 147 | —MILACRON HLDGS CORP | 1,809,215 | $30.5B | 0.23% | |
| 148 | WNSNWNS HOLDINGS LTD | 815,560 | $29.8B | 0.23% | |
| 149 | CVLTCOMMVAULT SYSTEMS INC | 485,029 | $29.5B | 0.23% | |
| 150 | LBRDALIBERTY BROADBAND CORP | 309,705 | $29.2B | 0.22% | |
| 151 | —SONIC CORP | 1,110,995 | $28.3B | 0.22% | |
| 152 | ACRSACLARIS THERAPEUTICS INC | 1,091,944 | $28.2B | 0.22% | |
| 153 | DATATABLEAU SOFTWARE INC | 375,891 | $28.1B | 0.22% | |
| 154 | BYDBOYD GAMING CORP | 1,078,445 | $28.1B | 0.22% | |
| 155 | FANGDIAMONDBACK ENERGY INC | 286,485 | $28.1B | 0.22% | |
| 156 | —INTEGRATED DEVICE TECHNOLOGY | 1,053,795 | $28.0B | 0.22% | |
| 157 | MPWRMONOLITHIC PWR SYS INC | 261,212 | $27.8B | 0.21% | |
| 158 | MIDDMIDDLEBY CORP | 216,246 | $27.7B | 0.21% | |
| 159 | FULFULLER H B CO | 476,700 | $27.7B | 0.21% | |
| 160 | TDYTELEDYNE TECHNOLOGIES INC | 172,130 | $27.4B | 0.21% | |
| 161 | XRAYDENTSPLY SIRONA INC | 448,855 | $26.8B | 0.21% | |
| 162 | ZEN1EURZENDESK INC | 894,475 | $26.0B | 0.20% | |
| 163 | EXPEEXPEDIA INC DEL | 180,239 | $25.9B | 0.20% | |
| 164 | PVHPVH CORP | 205,221 | $25.9B | 0.20% | |
| 165 | MXIMMAXIM INTEGRATED PRODS INC | 535,652 | $25.6B | 0.20% | |
| 166 | CYBRCYBERARK SOFTWARE LTD | 614,190 | $25.2B | 0.19% | |
| 167 | ZAYOEURZAYO GROUP HLDGS INC | 716,929 | $24.7B | 0.19% | |
| 168 | BMRNBIOMARIN PHARMACEUTICAL INC | 263,925 | $24.6B | 0.19% | |
| 169 | DC4DEXCOM INC | 498,450 | $24.4B | 0.19% | |
| 170 | NBIXNEUROCRINE BIOSCIENCES INC | 383,097 | $23.5B | 0.18% | |
| 171 | NEWREURNEW RELIC INC | 466,276 | $23.2B | 0.18% | |
| 172 | —RSP PERMIAN INC | 665,200 | $23.0B | 0.18% | |
| 173 | BIDSOTHEBYS | 497,220 | $22.9B | 0.18% | |
| 174 | LBEURL BRANDS INC | 546,779 | $22.8B | 0.17% | |
| 175 | NVROEURNEVRO CORP | 247,910 | $22.5B | 0.17% | |
| 176 | EEFTEURONET WORLDWIDE INC | 235,964 | $22.4B | 0.17% | |
| 177 | BUWABIO RAD LABS INC | 99,788 | $22.2B | 0.17% | |
| 178 | IPHIINPHI CORP | 557,240 | $22.1B | 0.17% | |
| 179 | SLMSLM CORP | 1,920,510 | $22.0B | 0.17% | |
| 180 | WSOWATSCO INC | 135,744 | $21.9B | 0.17% | |
| 181 | COHREURCOHERENT INC | 91,251 | $21.5B | 0.16% | |
| 182 | —BOTTOMLINE TECH DEL INC | 640,782 | $20.4B | 0.16% | |
| 183 | GOLFACUSHNET HOLDINGS CORP | 1,138,285 | $20.2B | 0.16% | |
| 184 | —QTS RLTY TR INC | 385,948 | $20.2B | 0.16% | |
| 185 | —WAGEWORKS INC | 330,565 | $20.1B | 0.15% | |
| 186 | CPTCAMDEN PPTY TR | 219,300 | $20.1B | 0.15% | |
| 187 | —BROADSOFT INC | 397,151 | $20.0B | 0.15% | |
| 188 | MCHPMICROCHIP TECHNOLOGY INC | 221,975 | $19.9B | 0.15% | |
| 189 | LF2PACIFIC PREMIER BANCORP | 519,870 | $19.6B | 0.15% | |
| 190 | 3M4MASIMO CORP | 225,979 | $19.6B | 0.15% | |
| 191 | —KAPSTONE PAPER & PACKAGING C | 903,475 | $19.4B | 0.15% | |
| 192 | AWMSKYWORKS SOLUTIONS INC | 181,340 | $18.5B | 0.14% | |
| 193 | MTZMASTEC INC | 376,015 | $17.4B | 0.13% | |
| 194 | —ULTIMATE SOFTWARE GROUP INC | 86,605 | $16.4B | 0.13% | |
| 195 | CHCTCOMMUNITY HEALTHCARE TR INC | 583,882 | $15.7B | 0.12% | |
| 196 | MRCYMERCURY SYS INC | 280,955 | $14.6B | 0.11% | |
| 197 | MKSIMKS INSTRUMENT INC | 148,418 | $14.0B | 0.11% | |
| 198 | CHGGCHEGG INC | 853,035 | $12.7B | 0.10% | |
| 199 | MATXMATSON INC | 446,253 | $12.6B | 0.10% | |
| 200 | —CANTEL MEDICAL CORP | 120,830 | $11.4B | 0.09% |