WESTFIELD CAPITAL MANAGEMENT CO LP Q1 2019 Filing
Filed May 14, 2019
Portfolio Value
$13.1B
Holdings
246
Report Date
Q1 2019
Filing Type
13F-HR
All Holdings (246 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 101 | LRCXEURLAM RESEARCH CORP | 235,800 | $42.2B | 321.22% | |
| 102 | AWNADVANCE AUTO PARTS INC | 245,722 | $41.9B | 318.88% | |
| 103 | UI2KEMPER CORP DEL | 533,862 | $40.6B | 309.33% | |
| 104 | CSGPCOSTAR GROUP INC | 86,459 | $40.3B | 306.87% | |
| 105 | FISVFISERV INC | 451,001 | $39.8B | 302.98% | |
| 106 | —INTERXION HOLDING N.V | 584,681 | $39.0B | 296.91% | |
| 107 | BERYEURBERRY GLOBAL GROUP INC | 723,431 | $39.0B | 296.56% | |
| 108 | IARTINTEGRA LIFESCIENCES HLDGS C | 697,191 | $38.8B | 295.62% | |
| 109 | VFCV F CORP | 446,824 | $38.8B | 295.51% | |
| 110 | NTAPNETAPP INC | 553,259 | $38.4B | 291.94% | |
| 111 | ONON SEMICONDUCTOR CORP | 1,860,995 | $38.3B | 291.31% | |
| 112 | GPNGLOBAL PMTS INC | 278,230 | $38.0B | 289.05% | |
| 113 | CR1USDCRANE CO | 448,636 | $38.0B | 288.90% | |
| 114 | PSTGPURE STORAGE INC | 1,731,396 | $37.7B | 287.10% | |
| 115 | FICOFAIR ISAAC CORP | 138,540 | $37.6B | 286.37% | |
| 116 | GRA1EURGRACE W R & CO DEL NEW | 480,666 | $37.5B | 285.45% | |
| 117 | 2L9BLUEPRINT MEDICINES CORP | 467,041 | $37.4B | 284.51% | |
| 118 | MCHPMICROCHIP TECHNOLOGY INC | 444,716 | $36.9B | 280.76% | |
| 119 | WEAWESTERN ALLIANCE BANCORP | 892,396 | $36.6B | 278.70% | |
| 120 | DATATABLEAU SOFTWARE INC | 283,827 | $36.1B | 274.91% | |
| 121 | TIFEURTIFFANY & CO NEW | 340,638 | $36.0B | 273.60% | |
| 122 | BLDTOPBUILD CORP | 542,580 | $35.2B | 267.64% | |
| 123 | ROKROCKWELL AUTOMATION INC | 199,428 | $35.0B | 266.28% | |
| 124 | SUISUN CMNTYS INC | 295,125 | $35.0B | 266.18% | |
| 125 | RUSHARUSH ENTERPRISES INC | 836,056 | $35.0B | 266.01% | |
| 126 | SRPTSAREPTA THERAPEUTICS INC | 291,487 | $34.7B | 264.38% | |
| 127 | EWBCEAST WEST BANCORP INC | 708,453 | $34.0B | 258.61% | |
| 128 | XYZSQUARE INC | 451,020 | $33.8B | 257.14% | |
| 129 | CRLCHARLES RIV LABS INTL INC | 231,142 | $33.6B | 255.49% | |
| 130 | FANGDIAMONDBACK ENERGY INC | 330,082 | $33.5B | 255.03% | |
| 131 | RRYDER SYS INC | 531,993 | $33.0B | 250.96% | |
| 132 | TWLOTWILIO INC | 254,986 | $32.9B | 250.66% | |
| 133 | AWMSKYWORKS SOLUTIONS INC | 396,790 | $32.7B | 249.05% | |
| 134 | RPMRPM INTL INC | 556,371 | $32.3B | 245.74% | |
| 135 | NMRKNEWMARK GROUP INC | 3,836,182 | $32.0B | 243.47% | |
| 136 | NGVTINGEVITY CORP | 299,354 | $31.6B | 240.59% | |
| 137 | BURLBURLINGTON STORES INC | 196,570 | $30.8B | 234.38% | |
| 138 | MSAMSA SAFETY INC | 296,985 | $30.7B | 233.68% | |
| 139 | NXSTNEXSTAR MEDIA GROUP INC | 282,482 | $30.6B | 232.96% | |
| 140 | ALNYALNYLAM PHARMACEUTICALS INC | 319,923 | $29.9B | 227.51% | |
| 141 | WWWWOLVERINE WORLD WIDE INC | 832,800 | $29.8B | 226.44% | |
| 142 | PHMPULTE GROUP INC | 1,047,575 | $29.3B | 222.89% | |
| 143 | SIVBEURSVB FINL GROUP | 127,673 | $28.4B | 216.04% | |
| 144 | ENVUSDENVESTNET INC | 427,230 | $27.9B | 212.60% | |
| 145 | NBIXNEUROCRINE BIOSCIENCES INC | 316,540 | $27.9B | 212.22% | |
| 146 | ITGARTNER INC | 179,705 | $27.3B | 207.43% | |
| 147 | LITELUMENTUM HLDGS INC | 480,830 | $27.2B | 206.88% | |
| 148 | 3M4MASIMO CORP | 195,947 | $27.1B | 206.20% | |
| 149 | BFAMBRIGHT HORIZONS FAM SOL IN D | 213,113 | $27.1B | 206.14% | |
| 150 | LECOLINCOLN ELEC HLDGS INC | 320,998 | $26.9B | 204.87% | |
| 151 | ENQENTEGRIS INC | 748,790 | $26.7B | 203.37% | |
| 152 | WEXWEX INC | 138,176 | $26.5B | 201.87% | |
| 153 | TREXTREX CO INC | 425,860 | $26.2B | 199.37% | |
| 154 | AVTAVNET INC | 601,420 | $26.1B | 198.50% | |
| 155 | AEOAMERICAN EAGLE OUTFITTERS IN | 1,161,275 | $25.7B | 195.92% | |
| 156 | EGHT8X8 INC NEW | 1,271,710 | $25.7B | 195.49% | |
| 157 | IRWDIRONWOOD PHARMACEUTICALS INC | 1,881,874 | $25.5B | 193.76% | |
| 158 | NUANEURNUANCE COMMUNICATIONS INC | 1,473,775 | $25.0B | 189.87% | |
| 159 | STRASTRATEGIC ED INC | 185,939 | $24.4B | 185.80% | |
| 160 | NEWREURNEW RELIC INC | 239,969 | $23.7B | 180.24% | |
| 161 | VIAVVIAVI SOLUTIONS INC | 1,901,469 | $23.5B | 179.14% | |
| 162 | AGIOAGIOS PHARMACEUTICALS INC | 342,680 | $23.1B | 175.86% | |
| 163 | WNSNWNS HOLDINGS LTD | 425,480 | $22.7B | 172.48% | |
| 164 | PFGCPERFORMANCE FOOD GROUP CO | 565,405 | $22.4B | 170.56% | |
| 165 | —ACACIA COMMUNICATIONS INC | 390,565 | $22.4B | 170.45% | |
| 166 | GDOTGREEN DOT CORP | 365,160 | $22.1B | 168.54% | |
| 167 | PLCECHILDRENS PL INC | 227,045 | $22.1B | 168.08% | |
| 168 | —CABOT MICROELECTRONICS CORP | 196,997 | $22.1B | 167.84% | |
| 169 | ODFLOLD DOMINION FREIGHT LINE IN | 145,742 | $21.0B | 160.14% | |
| 170 | MTORMERITOR INC | 1,032,420 | $21.0B | 159.88% | |
| 171 | —INTERSECT ENT INC | 652,781 | $21.0B | 159.71% | |
| 172 | NTBBANK OF NT BUTTERFIELD&SON L | 577,315 | $20.7B | 157.63% | |
| 173 | —ZOGENIX INC | 375,685 | $20.7B | 157.27% | |
| 174 | DC4DEXCOM INC | 169,108 | $20.1B | 153.27% | |
| 175 | CLVSEURCLOVIS ONCOLOGY INC | 806,465 | $20.0B | 152.32% | |
| 176 | DAYCERIDIAN HCM HLDG INC | 370,147 | $19.0B | 144.50% | |
| 177 | RLRALPH LAUREN CORP | 141,588 | $18.4B | 139.72% | |
| 178 | CTLTEURCATALENT INC | 448,946 | $18.2B | 138.67% | |
| 179 | STAGSTAG INDL INC | 611,551 | $18.1B | 137.98% | |
| 180 | MIGAMICROSTRATEGY INC | 121,971 | $17.6B | 133.89% | |
| 181 | —MOMENTA PHARMACEUTICALS INC | 1,206,964 | $17.5B | 133.45% | |
| 182 | IPHIINPHI CORP | 395,630 | $17.3B | 131.69% | |
| 183 | HLNEHAMILTON LANE INC | 379,266 | $16.5B | 125.78% | |
| 184 | CMECME GROUP INC | 98,224 | $16.2B | 123.02% | |
| 185 | OECORION ENGINEERED CARBONS S A | 840,281 | $16.0B | 121.43% | |
| 186 | —WRIGHT MED GROUP N V | 501,801 | $15.8B | 120.10% | |
| 187 | FATEFATE THERAPEUTICS INC | 893,425 | $15.7B | 119.45% | |
| 188 | —CYRUSONE INC | 298,715 | $15.7B | 119.21% | |
| 189 | —CORREVIO PHARMA CORP | 4,788,032 | $15.1B | 115.14% | |
| 190 | NVCRNOVOCURE LTD | 305,185 | $14.7B | 111.87% | |
| 191 | APLSAPELLIS PHARMACEUTICALS INC | 731,451 | $14.3B | 108.54% | |
| 192 | ALRMALARM COM HLDGS INC | 211,148 | $13.7B | 104.29% | |
| 193 | PCTYPAYLOCITY HLDG CORP | 152,484 | $13.6B | 103.49% | |
| 194 | RHT1EURRED HAT INC | 60,656 | $11.1B | 84.33% | |
| 195 | CBAYUSDCYMABAY THERAPEUTICS INC | 834,330 | $11.1B | 84.32% | |
| 196 | TDOCTELADOC HEALTH INC | 196,580 | $10.9B | 83.18% | |
| 197 | ABTABBOTT LABS | 134,625 | $10.8B | 81.90% | |
| 198 | SMARGBPSMARTSHEET INC | 229,998 | $9.4B | 71.40% | |
| 199 | ORTXUSDORCHARD THERAPEUTICS PLC | 522,690 | $9.3B | 71.12% | |
| 200 | WMTWALMART INC | 95,790 | $9.3B | 71.09% |