WESTFIELD CAPITAL MANAGEMENT CO LP Q4 2018 Filing
Filed February 8, 2019
Portfolio Value
$11.7B
Holdings
240
Report Date
Q4 2018
Filing Type
13F-HR
All Holdings (240 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 101 | TIFEURTIFFANY & CO NEW | 453,250 | $36.5B | 311.25% | |
| 102 | UI2KEMPER CORP DEL | 539,792 | $35.8B | 305.62% | |
| 103 | BERYEURBERRY GLOBAL GROUP INC | 752,851 | $35.8B | 305.21% | |
| 104 | GWREGUIDEWIRE SOFTWARE INC | 445,966 | $35.8B | 305.18% | |
| 105 | DATATABLEAU SOFTWARE INC | 295,556 | $35.5B | 302.51% | |
| 106 | ROKROCKWELL AUTOMATION INC | 233,125 | $35.1B | 299.22% | |
| 107 | TSCOTRACTOR SUPPLY CO | 419,418 | $35.0B | 298.49% | |
| 108 | MRVLMARVELL TECHNOLOGY GROUP LTD | 2,133,825 | $34.5B | 294.66% | |
| 109 | ASNDASCENDIS PHARMA A S | 539,120 | $33.8B | 288.09% | |
| 110 | FLIRFLIR SYS INC | 769,293 | $33.5B | 285.69% | |
| 111 | NTAPNETAPP INC | 556,462 | $33.2B | 283.21% | |
| 112 | —INTERXION HOLDING N.V | 612,351 | $33.2B | 282.88% | |
| 113 | IARTINTEGRA LIFESCIENCES HLDGS C | 730,356 | $32.9B | 280.95% | |
| 114 | CR1USDCRANE CO | 455,361 | $32.9B | 280.34% | |
| 115 | 7SUSUMMIT MATLS INC | 2,645,568 | $32.8B | 279.81% | |
| 116 | —QTS RLTY TR INC | 864,525 | $32.0B | 273.20% | |
| 117 | GRA1EURGRACE W R & CO DEL NEW | 486,885 | $31.6B | 269.56% | |
| 118 | 2L9BLUEPRINT MEDICINES CORP | 582,826 | $31.4B | 267.99% | |
| 119 | FANGDIAMONDBACK ENERGY INC | 334,687 | $31.0B | 264.62% | |
| 120 | HEIHEICO CORP NEW | 484,683 | $30.5B | 260.44% | |
| 121 | SUISUN CMNTYS INC | 299,640 | $30.5B | 259.94% | |
| 122 | RUSHARUSH ENTERPRISES INC | 877,111 | $30.2B | 257.95% | |
| 123 | SIVBEURSVB FINL GROUP | 156,422 | $29.7B | 253.39% | |
| 124 | CSGPCOSTAR GROUP INC | 87,644 | $29.6B | 252.18% | |
| 125 | MSAMSA SAFETY INC | 313,320 | $29.5B | 251.93% | |
| 126 | NGVTINGEVITY CORP | 351,744 | $29.4B | 251.08% | |
| 127 | ITGARTNER INC | 226,256 | $28.9B | 246.71% | |
| 128 | NXSTNEXSTAR MEDIA GROUP INC | 364,193 | $28.6B | 244.28% | |
| 129 | GPNGLOBAL PMTS INC | 276,625 | $28.5B | 243.33% | |
| 130 | TWLOTWILIO INC | 316,168 | $28.2B | 240.82% | |
| 131 | SRPTSAREPTA THERAPEUTICS INC | 255,102 | $27.8B | 237.45% | |
| 132 | ZAYOEURZAYO GROUP HLDGS INC | 1,196,330 | $27.3B | 233.06% | |
| 133 | CRLCHARLES RIV LABS INTL INC | 234,677 | $26.6B | 226.55% | |
| 134 | PLAYDAVE & BUSTERS ENTMT INC | 589,565 | $26.3B | 224.08% | |
| 135 | XYZSQUARE INC | 455,389 | $25.5B | 217.87% | |
| 136 | BFAMBRIGHT HORIZONS FAM SOL IN D | 227,373 | $25.3B | 216.14% | |
| 137 | FICOFAIR ISAAC CORP | 133,940 | $25.0B | 213.64% | |
| 138 | SERVUSDSERVICEMASTER GLOBAL HLDGS I | 675,340 | $24.8B | 211.63% | |
| 139 | —ELDORADO RESORTS INC | 662,331 | $24.0B | 204.56% | |
| 140 | WWWWOLVERINE WORLD WIDE INC | 745,650 | $23.8B | 202.82% | |
| 141 | AWMSKYWORKS SOLUTIONS INC | 350,634 | $23.5B | 200.43% | |
| 142 | LECOLINCOLN ELEC HLDGS INC | 296,878 | $23.4B | 199.66% | |
| 143 | AEOAMERICAN EAGLE OUTFITTERS NE | 1,209,205 | $23.4B | 199.37% | |
| 144 | NVCRNOVOCURE LTD | 685,890 | $23.0B | 195.87% | |
| 145 | MPWRMONOLITHIC PWR SYS INC | 195,754 | $22.8B | 194.09% | |
| 146 | TREXTREX CO INC | 381,380 | $22.6B | 193.10% | |
| 147 | 3M4MASIMO CORP | 205,222 | $22.0B | 187.94% | |
| 148 | OECORION ENGINEERED CARBONS S A | 852,680 | $21.6B | 183.86% | |
| 149 | EWBCEAST WEST BANCORP INC | 487,650 | $21.2B | 181.05% | |
| 150 | SSNCSS&C TECHNOLOGIES HLDGS INC | 462,457 | $20.9B | 177.93% | |
| 151 | ENVUSDENVESTNET INC | 417,650 | $20.5B | 175.23% | |
| 152 | LITELUMENTUM HLDGS INC | 488,040 | $20.5B | 174.88% | |
| 153 | NMRKNEWMARK GROUP INC | 2,555,620 | $20.5B | 174.82% | |
| 154 | NUANEURNUANCE COMMUNICATIONS INC | 1,547,740 | $20.5B | 174.66% | |
| 155 | IRWDIRONWOOD PHARMACEUTICALS INC | 1,974,879 | $20.5B | 174.51% | |
| 156 | UNVREURUNIVAR INC | 1,150,937 | $20.4B | 174.15% | |
| 157 | RRYDER SYS INC | 420,963 | $20.3B | 172.88% | |
| 158 | NTNXNUTANIX INC | 486,920 | $20.3B | 172.73% | |
| 159 | VIAVVIAVI SOLUTIONS INC | 1,993,944 | $20.0B | 170.92% | |
| 160 | FIVEFIVE BELOW INC | 194,983 | $20.0B | 170.17% | |
| 161 | NEWREURNEW RELIC INC | 243,614 | $19.7B | 168.24% | |
| 162 | ALNYALNYLAM PHARMACEUTICALS INC | 270,443 | $19.7B | 168.18% | |
| 163 | —ZOGENIX INC | 536,935 | $19.6B | 166.98% | |
| 164 | —ACACIA COMMUNICATIONS INC | 512,720 | $19.5B | 166.18% | |
| 165 | —INTERSECT ENT INC | 685,856 | $19.3B | 164.85% | |
| 166 | EGHT8X8 INC NEW | 1,063,140 | $19.2B | 163.59% | |
| 167 | NTBBANK OF NT BUTTERFIELD&SON L | 607,475 | $19.0B | 162.43% | |
| 168 | GDOTGREEN DOT CORP | 234,703 | $18.7B | 159.19% | |
| 169 | WNSNWNS HOLDINGS LTD | 446,275 | $18.4B | 157.05% | |
| 170 | ODFLOLD DOMINION FGHT LINES INC | 147,967 | $18.3B | 155.85% | |
| 171 | —HFF INC | 541,847 | $18.0B | 153.26% | |
| 172 | XLNXEURXILINX INC | 208,484 | $17.8B | 151.46% | |
| 173 | WEXWEX INC | 121,186 | $17.0B | 144.77% | |
| 174 | —CANTEL MEDICAL CORP | 210,226 | $15.7B | 133.49% | |
| 175 | —WRIGHT MED GROUP N V | 529,214 | $14.4B | 122.87% | |
| 176 | CMECME GROUP INC | 75,737 | $14.2B | 121.53% | |
| 177 | FATEFATE THERAPEUTICS INC | 1,104,305 | $14.2B | 120.84% | |
| 178 | IPHIINPHI CORP | 414,870 | $13.3B | 113.76% | |
| 179 | CDEVEURCENTENNIAL RESOURCE DEV INC | 1,209,310 | $13.3B | 113.67% | |
| 180 | HLNEHAMILTON LANE INC | 357,732 | $13.2B | 112.89% | |
| 181 | MKSIMKS INSTRUMENT INC | 190,652 | $12.3B | 105.06% | |
| 182 | EVHEVOLENT HEALTH INC | 610,450 | $12.2B | 103.87% | |
| 183 | SMARGBPSMARTSHEET INC | 486,968 | $12.1B | 103.26% | |
| 184 | —CORREVIO PHARMA CORP | 4,737,804 | $11.8B | 100.62% | |
| 185 | ALRMALARM COM HLDGS INC | 221,813 | $11.5B | 98.13% | |
| 186 | CTLTEURCATALENT INC | 347,301 | $10.8B | 92.36% | |
| 187 | NBIXNEUROCRINE BIOSCIENCES INC | 143,740 | $10.3B | 87.55% | |
| 188 | APLSAPELLIS PHARMACEUTICALS INC | 767,876 | $10.1B | 86.39% | |
| 189 | ABTABBOTT LABS | 139,150 | $10.1B | 85.85% | |
| 190 | EYENATIONAL VISION HLDGS INC | 349,040 | $9.8B | 83.86% | |
| 191 | UCTTULTRA CLEAN HLDGS INC | 1,157,993 | $9.8B | 83.66% | |
| 192 | WMTWALMART INC | 98,435 | $9.2B | 78.21% | |
| 193 | CVLTCOMMVAULT SYSTEMS INC | 150,071 | $8.9B | 75.64% | |
| 194 | CBAYUSDCYMABAY THERAPEUTICS INC | 1,076,215 | $8.5B | 72.24% | |
| 195 | MATXMATSON INC | 264,020 | $8.5B | 72.11% | |
| 196 | MRKMERCK & CO INC | 103,189 | $7.9B | 67.25% | |
| 197 | BACVERIZON COMMUNICATIONS INC | 139,525 | $7.8B | 66.90% | |
| 198 | AEISADVANCED ENERGY INDS | 173,030 | $7.4B | 63.36% | |
| 199 | MDTMEDTRONIC PLC | 79,205 | $7.2B | 61.45% | |
| 200 | TXNTEXAS INSTRS INC | 75,835 | $7.2B | 61.12% |