WESTFIELD CAPITAL MANAGEMENT CO LP Q4 2017 Filing
Filed February 13, 2018
Portfolio Value
$13.1B
Holdings
244
Report Date
Q4 2017
Filing Type
13F-HR
All Holdings (244 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 101 | FISFIDELITY NATL INFORMATION SV | 548,740 | $51.6B | 394.43% | |
| 102 | —DELPHI TECHNOLOGIES PLC | 963,601 | $50.6B | 386.25% | |
| 103 | FLSFLOWSERVE CORP | 1,196,604 | $50.4B | 385.12% | |
| 104 | —INTERXION HOLDING N.V | 843,116 | $49.7B | 379.56% | |
| 105 | —CYPRESS SEMICONDUCTOR CORP | 3,129,154 | $47.7B | 364.31% | |
| 106 | —BIOVERATIV INC | 864,275 | $46.6B | 356.01% | |
| 107 | PXDEURPIONEER NAT RES CO | 264,160 | $45.7B | 348.81% | |
| 108 | —IHS MARKIT LTD | 1,009,740 | $45.6B | 348.28% | |
| 109 | —AVEXIS INC | 401,350 | $44.4B | 339.32% | |
| 110 | NTBBANK OF NT BUTTERFIELD&SON L | 1,209,895 | $43.9B | 335.42% | |
| 111 | —ELDORADO RESORTS INC | 1,319,429 | $43.7B | 334.14% | |
| 112 | DLTRDOLLAR TREE INC | 407,337 | $43.7B | 333.92% | |
| 113 | BYDBOYD GAMING CORP | 1,246,860 | $43.7B | 333.86% | |
| 114 | IPHIINPHI CORP | 1,174,000 | $43.0B | 328.25% | |
| 115 | ITGARTNER INC | 346,500 | $42.7B | 325.98% | |
| 116 | —BMC STK HLDGS INC | 1,666,181 | $42.2B | 322.03% | |
| 117 | SUISUN CMNTYS INC | 449,219 | $41.7B | 318.40% | |
| 118 | 3M4MASIMO CORP | 488,468 | $41.4B | 316.44% | |
| 119 | CIENCIENA CORP | 1,965,285 | $41.1B | 314.23% | |
| 120 | ETRAE TRADE FINANCIAL CORP | 822,580 | $40.8B | 311.49% | |
| 121 | MTZMASTEC INC | 831,675 | $40.7B | 311.00% | |
| 122 | ADSKAUTODESK INC | 387,194 | $40.6B | 310.08% | |
| 123 | MIC2EURMACQUARIE INFRASTRUCTURE COR | 629,778 | $40.4B | 308.87% | |
| 124 | RPREALPAGE INC | 910,688 | $40.3B | 308.19% | |
| 125 | FANGDIAMONDBACK ENERGY INC | 318,545 | $40.2B | 307.22% | |
| 126 | CR1USDCRANE CO | 445,465 | $39.7B | 303.62% | |
| 127 | GRA1EURGRACE W R & CO DEL NEW | 566,055 | $39.7B | 303.26% | |
| 128 | DGXQUEST DIAGNOSTICS INC | 401,476 | $39.5B | 302.07% | |
| 129 | ODFLOLD DOMINION FGHT LINES INC | 298,802 | $39.3B | 300.28% | |
| 130 | RUSHARUSH ENTERPRISES INC | 768,436 | $39.0B | 298.27% | |
| 131 | —MILACRON HLDGS CORP | 2,021,550 | $38.7B | 295.58% | |
| 132 | PFPTPROOFPOINT INC | 433,055 | $38.5B | 293.81% | |
| 133 | BURLBURLINGTON STORES INC | 305,365 | $37.6B | 287.00% | |
| 134 | VYXNCR CORP NEW | 1,097,763 | $37.3B | 285.05% | |
| 135 | HRCHILL ROM HLDGS INC | 436,035 | $36.8B | 280.77% | |
| 136 | VMCVULCAN MATLS CO | 284,886 | $36.6B | 279.38% | |
| 137 | AOSSMITH A O | 593,352 | $36.4B | 277.77% | |
| 138 | FLIRFLIR SYS INC | 768,940 | $35.8B | 273.86% | |
| 139 | BUWABIO RAD LABS INC | 149,043 | $35.6B | 271.75% | |
| 140 | RJFRAYMOND JAMES FINANCIAL INC | 393,379 | $35.1B | 268.36% | |
| 141 | BLDTOPBUILD CORP | 459,125 | $34.8B | 265.65% | |
| 142 | ZEN1EURZENDESK INC | 1,023,575 | $34.6B | 264.61% | |
| 143 | MCHPMICROCHIP TECHNOLOGY INC | 393,970 | $34.6B | 264.49% | |
| 144 | CLVSEURCLOVIS ONCOLOGY INC | 505,555 | $34.4B | 262.63% | |
| 145 | —TRINSEO S A | 471,345 | $34.2B | 261.42% | |
| 146 | PVHPVH CORP | 244,481 | $33.5B | 256.26% | |
| 147 | LBEURL BRANDS INC | 547,603 | $33.0B | 251.92% | |
| 148 | OMCLOMNICELL INC | 677,682 | $32.9B | 251.09% | |
| 149 | —ENVISION HEALTHCARE CORP | 947,115 | $32.7B | 250.05% | |
| 150 | —CANTEL MEDICAL CORP | 317,473 | $32.7B | 249.49% | |
| 151 | BKIEURBLACK KNIGHT INC | 735,810 | $32.5B | 248.17% | |
| 152 | ONON SEMICONDUCTOR CORP | 1,511,735 | $31.7B | 241.83% | |
| 153 | EXPEEXPEDIA INC DEL | 263,979 | $31.6B | 241.53% | |
| 154 | MSGSMADISON SQUARE GARDEN CO NEW | 149,849 | $31.6B | 241.37% | |
| 155 | EWBCEAST WEST BANCORP INC | 516,065 | $31.4B | 239.81% | |
| 156 | ZAYOEURZAYO GROUP HLDGS INC | 845,521 | $31.1B | 237.70% | |
| 157 | FULFULLER H B CO | 566,410 | $30.5B | 233.10% | |
| 158 | —ULTIMATE SOFTWARE GROUP INC | 137,504 | $30.0B | 229.23% | |
| 159 | COHREURCOHERENT INC | 105,867 | $29.9B | 228.25% | |
| 160 | RHIROBERT HALF INTL INC | 530,770 | $29.5B | 225.20% | |
| 161 | 4DHDANA INCORPORATED | 912,126 | $29.2B | 223.05% | |
| 162 | DATATABLEAU SOFTWARE INC | 408,730 | $28.3B | 216.07% | |
| 163 | BFAMBRIGHT HORIZONS FAM SOL IN D | 299,661 | $28.2B | 215.19% | |
| 164 | WNSNWNS HOLDINGS LTD | 693,525 | $27.8B | 212.61% | |
| 165 | —WAGEWORKS INC | 445,580 | $27.6B | 211.04% | |
| 166 | —CAVIUM INC | 323,925 | $27.2B | 207.45% | |
| 167 | NEWREURNEW RELIC INC | 448,466 | $25.9B | 197.92% | |
| 168 | MTGMGIC INVT CORP WIS | 1,826,136 | $25.8B | 196.84% | |
| 169 | PRTAPROTHENA CORP PLC | 680,659 | $25.5B | 194.94% | |
| 170 | CVLTCOMMVAULT SYSTEMS INC | 480,269 | $25.2B | 192.62% | |
| 171 | PNFPPINNACLE FINL PARTNERS INC | 378,515 | $25.1B | 191.72% | |
| 172 | CPTCAMDEN PPTY TR | 272,520 | $25.1B | 191.66% | |
| 173 | LF2PACIFIC PREMIER BANCORP | 621,867 | $24.9B | 190.03% | |
| 174 | MRCYMERCURY SYS INC | 482,915 | $24.8B | 189.44% | |
| 175 | —INTEGRATED DEVICE TECHNOLOGY | 833,100 | $24.8B | 189.21% | |
| 176 | BIDSOTHEBYS | 473,579 | $24.4B | 186.68% | |
| 177 | BMRNBIOMARIN PHARMACEUTICAL INC | 264,630 | $23.6B | 180.27% | |
| 178 | PTCPTC INC | 377,771 | $23.0B | 175.38% | |
| 179 | WSOWATSCO INC | 134,485 | $22.9B | 174.70% | |
| 180 | —BOTTOMLINE TECH DEL INC | 638,837 | $22.2B | 169.25% | |
| 181 | LITELUMENTUM HLDGS INC | 449,866 | $22.0B | 168.05% | |
| 182 | PANWPALO ALTO NETWORKS INC | 150,165 | $21.8B | 166.27% | |
| 183 | IDXXIDEXX LABS INC | 138,848 | $21.7B | 165.87% | |
| 184 | SLMSLM CORP | 1,894,195 | $21.4B | 163.51% | |
| 185 | —KAPSTONE PAPER & PACKAGING C | 900,095 | $20.4B | 156.02% | |
| 186 | ACRSACLARIS THERAPEUTICS INC | 800,369 | $19.7B | 150.78% | |
| 187 | MPWRMONOLITHIC PWR SYS INC | 169,342 | $19.0B | 145.35% | |
| 188 | VISNCOMMSCOPE HLDG CO INC | 494,950 | $18.7B | 143.04% | |
| 189 | —BROADSOFT INC | 332,343 | $18.2B | 139.39% | |
| 190 | EYENATIONAL VISION HLDGS INC | 401,500 | $16.3B | 124.56% | |
| 191 | LADLITHIA MTRS INC | 137,809 | $15.7B | 119.59% | |
| 192 | SCSANTANDER CONSUMER USA HDG I | 808,630 | $15.1B | 115.03% | |
| 193 | CHGGCHEGG INC | 850,380 | $13.9B | 106.02% | |
| 194 | AWMSKYWORKS SOLUTIONS INC | 139,725 | $13.3B | 101.35% | |
| 195 | —RESOLUTE ENERGY CORP | 415,220 | $13.1B | 99.82% | |
| 196 | MATXMATSON INC | 420,683 | $12.6B | 95.90% | |
| 197 | UCTTULTRA CLEAN HLDGS INC | 494,075 | $11.4B | 87.15% | |
| 198 | NWLNEWELL BRANDS INC | 349,293 | $10.8B | 82.45% | |
| 199 | NVCRNOVOCURE LTD | 510,800 | $10.3B | 78.82% | |
| 200 | CMECME GROUP INC | 69,600 | $10.2B | 77.65% |