WESTFIELD CAPITAL MANAGEMENT CO LP Q3 2018 Filing
Filed November 14, 2018
Portfolio Value
$14.2B
Holdings
249
Report Date
Q3 2018
Filing Type
13F-HR
All Holdings (249 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 101 | ONON SEMICONDUCTOR CORP | 2,445,278 | $45.1B | 316.41% | |
| 102 | CR1USDCRANE CO | 451,142 | $44.4B | 311.53% | |
| 103 | UALUNITED CONTL HLDGS INC | 489,663 | $43.6B | 306.18% | |
| 104 | SIVBEURSVB FINL GROUP | 140,107 | $43.5B | 305.76% | |
| 105 | AREALEXANDRIA REAL ESTATE EQ IN | 345,852 | $43.5B | 305.45% | |
| 106 | —DELPHI TECHNOLOGIES PLC | 1,385,272 | $43.4B | 305.01% | |
| 107 | TIFEURTIFFANY & CO NEW | 335,796 | $43.3B | 304.07% | |
| 108 | BURLBURLINGTON STORES INC | 264,830 | $43.1B | 302.93% | |
| 109 | BERYEURBERRY GLOBAL GROUP INC | 882,601 | $42.7B | 299.86% | |
| 110 | PANWPALO ALTO NETWORKS INC | 188,657 | $42.5B | 298.38% | |
| 111 | ITGARTNER INC | 268,071 | $42.5B | 298.32% | |
| 112 | 7SUSUMMIT MATLS INC | 2,335,258 | $42.5B | 298.08% | |
| 113 | CVLTCOMMVAULT SYSTEMS INC | 604,217 | $42.3B | 296.96% | |
| 114 | SBACSBA COMMUNICATIONS CORP NEW | 262,139 | $42.1B | 295.64% | |
| 115 | CTLTEURCATALENT INC | 918,016 | $41.8B | 293.59% | |
| 116 | AEOAMERICAN EAGLE OUTFITTERS NE | 1,673,745 | $41.6B | 291.79% | |
| 117 | ASNDASCENDIS PHARMA A S | 581,734 | $41.2B | 289.42% | |
| 118 | ESNTESSENT GROUP LTD | 925,627 | $41.0B | 287.58% | |
| 119 | ALXNALEXION PHARMACEUTICALS INC | 288,329 | $40.1B | 281.41% | |
| 120 | RPMRPM INTL INC | 614,965 | $39.9B | 280.39% | |
| 121 | 2L9BLUEPRINT MEDICINES CORP | 509,380 | $39.8B | 279.17% | |
| 122 | —PINNACLE FOODS INC DEL | 606,772 | $39.3B | 276.10% | |
| 123 | MTNVAIL RESORTS INC | 140,330 | $38.5B | 270.38% | |
| 124 | —ELDORADO RESORTS INC | 787,784 | $38.3B | 268.81% | |
| 125 | MSCIMSCI INC | 214,426 | $38.0B | 267.09% | |
| 126 | NGVTINGEVITY CORP | 361,730 | $36.9B | 258.75% | |
| 127 | CSGPCOSTAR GROUP INC | 86,887 | $36.6B | 256.73% | |
| 128 | OECORION ENGINEERED CARBONS S A | 1,136,263 | $36.5B | 256.09% | |
| 129 | ENVUSDENVESTNET INC | 593,820 | $36.2B | 254.11% | |
| 130 | RUSHARUSH ENTERPRISES INC | 910,181 | $35.8B | 251.21% | |
| 131 | SUISUN CMNTYS INC | 351,098 | $35.6B | 250.30% | |
| 132 | NTAPNETAPP INC | 414,211 | $35.6B | 249.79% | |
| 133 | GRA1EURGRACE W R & CO DEL NEW | 495,178 | $35.4B | 248.44% | |
| 134 | STZCONSTELLATION BRANDS INC | 162,395 | $35.0B | 245.85% | |
| 135 | PTCPTC INC | 326,888 | $34.7B | 243.72% | |
| 136 | IRWDIRONWOOD PHARMACEUTICALS INC | 1,878,809 | $34.7B | 243.51% | |
| 137 | ROKROCKWELL AUTOMATION INC | 184,923 | $34.7B | 243.47% | |
| 138 | PLAYDAVE & BUSTERS ENTMT INC | 519,865 | $34.4B | 241.70% | |
| 139 | BGCPEURBGC PARTNERS INC | 2,910,797 | $34.4B | 241.57% | |
| 140 | MSAMSA SAFETY INC | 321,635 | $34.2B | 240.37% | |
| 141 | —INTERXION HOLDING N.V | 507,086 | $34.1B | 239.61% | |
| 142 | DATATABLEAU SOFTWARE INC | 299,400 | $33.5B | 234.89% | |
| 143 | HAEHAEMONETICS CORP | 290,593 | $33.3B | 233.77% | |
| 144 | EWBCEAST WEST BANCORP INC | 547,536 | $33.1B | 232.08% | |
| 145 | VMCVULCAN MATLS CO | 296,977 | $33.0B | 231.86% | |
| 146 | RRYDER SYS INC | 451,485 | $33.0B | 231.63% | |
| 147 | CDEVEURCENTENNIAL RESOURCE DEV INC | 1,492,470 | $32.6B | 228.96% | |
| 148 | HEIHEICO CORP NEW | 428,553 | $32.4B | 227.17% | |
| 149 | BFAMBRIGHT HORIZONS FAM SOL IN D | 273,958 | $32.3B | 226.66% | |
| 150 | —TRINSEO S A | 407,410 | $31.9B | 223.97% | |
| 151 | —CANTEL MEDICAL CORP | 341,326 | $31.4B | 220.62% | |
| 152 | EXPEEXPEDIA GROUP INC | 235,603 | $30.7B | 215.84% | |
| 153 | —MILACRON HLDGS CORP | 1,470,546 | $29.8B | 209.08% | |
| 154 | LF2PACIFIC PREMIER BANCORP | 784,232 | $29.2B | 204.83% | |
| 155 | 3M4MASIMO CORP | 233,137 | $29.0B | 203.86% | |
| 156 | PRTY1EURPARTY CITY HOLDCO INC | 2,141,185 | $29.0B | 203.70% | |
| 157 | NUANEURNUANCE COMMUNICATIONS INC | 1,599,015 | $27.7B | 194.45% | |
| 158 | PENNPENN NATL GAMING INC | 837,830 | $27.6B | 193.65% | |
| 159 | TSCOTRACTOR SUPPLY CO | 293,563 | $26.7B | 187.32% | |
| 160 | —QTS RLTY TR INC | 620,618 | $26.5B | 185.93% | |
| 161 | RHIROBERT HALF INTL INC | 374,282 | $26.3B | 184.95% | |
| 162 | UI2KEMPER CORP DEL | 326,642 | $26.3B | 184.50% | |
| 163 | PFPTPROOFPOINT INC | 244,700 | $26.0B | 182.68% | |
| 164 | ETRAE TRADE FINANCIAL CORP | 489,660 | $25.7B | 180.11% | |
| 165 | —HFF INC | 572,378 | $24.3B | 170.72% | |
| 166 | MKSIMKS INSTRUMENT INC | 302,851 | $24.3B | 170.43% | |
| 167 | HLNEHAMILTON LANE INC | 543,245 | $24.1B | 168.89% | |
| 168 | VISNCOMMSCOPE HLDG CO INC | 780,552 | $24.0B | 168.58% | |
| 169 | VYXNCR CORP NEW | 837,759 | $23.8B | 167.11% | |
| 170 | MTZMASTEC INC | 532,659 | $23.8B | 166.98% | |
| 171 | ODFLOLD DOMINION FGHT LINES INC | 147,097 | $23.7B | 166.55% | |
| 172 | OMCLOMNICELL INC | 329,569 | $23.7B | 166.37% | |
| 173 | —ACACIA COMMUNICATIONS INC | 532,175 | $22.0B | 154.58% | |
| 174 | GDOTGREEN DOT CORP | 247,383 | $22.0B | 154.27% | |
| 175 | ALRMALARM COM HLDGS INC | 373,760 | $21.5B | 150.63% | |
| 176 | EYENATIONAL VISION HLDGS INC | 474,625 | $21.4B | 150.43% | |
| 177 | —WRIGHT MED GROUP N V | 720,576 | $20.9B | 146.82% | |
| 178 | WNSNWNS HOLDINGS LTD | 408,595 | $20.7B | 145.59% | |
| 179 | WSOWATSCO INC | 114,290 | $20.4B | 142.91% | |
| 180 | AEISADVANCED ENERGY INDS | 386,003 | $19.9B | 139.98% | |
| 181 | DC4DEXCOM INC | 137,792 | $19.7B | 138.39% | |
| 182 | ANETEURARISTA NETWORKS INC | 72,521 | $19.3B | 135.37% | |
| 183 | CLVSEURCLOVIS ONCOLOGY INC | 653,658 | $19.2B | 134.79% | |
| 184 | —CORREVIO PHARMA CORP | 4,774,149 | $19.2B | 134.75% | |
| 185 | LECOLINCOLN ELEC HLDGS INC | 204,980 | $19.2B | 134.48% | |
| 186 | FULFULLER H B CO | 348,794 | $18.0B | 126.53% | |
| 187 | NKTREURNEKTAR THERAPEUTICS | 265,261 | $16.2B | 113.53% | |
| 188 | SRPTSAREPTA THERAPEUTICS INC | 94,655 | $15.3B | 107.34% | |
| 189 | ALNYALNYLAM PHARMACEUTICALS INC | 170,855 | $15.0B | 104.99% | |
| 190 | —INTERSECT ENT INC | 474,282 | $13.6B | 95.74% | |
| 191 | FATEFATE THERAPEUTICS INC | 832,070 | $13.6B | 95.16% | |
| 192 | VIAVVIAVI SOLUTIONS INC | 1,175,395 | $13.3B | 93.58% | |
| 193 | FGENEURFIBROGEN INC | 209,575 | $12.7B | 89.39% | |
| 194 | UCTTULTRA CLEAN HLDGS INC | 1,011,698 | $12.7B | 89.15% | |
| 195 | EVHEVOLENT HEALTH INC | 416,980 | $11.8B | 83.14% | |
| 196 | APLSAPELLIS PHARMACEUTICALS INC | 612,296 | $10.9B | 76.44% | |
| 197 | FNDFLOOR & DECOR HLDGS INC | 358,246 | $10.8B | 75.88% | |
| 198 | NVCRNOVOCURE LTD | 205,805 | $10.8B | 75.72% | |
| 199 | NEWREURNEW RELIC INC | 114,074 | $10.7B | 75.47% | |
| 200 | CPTCAMDEN PPTY TR | 111,931 | $10.5B | 73.53% |