WESTFIELD CAPITAL MANAGEMENT CO LP Q1 2018 Filing
Filed May 14, 2018
Portfolio Value
$13.0B
Holdings
248
Report Date
Q1 2018
Filing Type
13F-HR
All Holdings (248 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | AMZNAMAZON COM INC | 226,570 | $327.9B | 2527.26% | |
| 2 | AAPLAPPLE INC | 1,911,372 | $320.7B | 2471.51% | |
| 3 | METAFACEBOOK INC | 1,638,805 | $261.9B | 2018.16% | |
| 4 | VVISA INC | 2,003,501 | $239.7B | 1847.02% | |
| 5 | MSFTMICROSOFT CORP | 2,589,160 | $236.3B | 1821.23% | |
| 6 | GOOGALPHABET INC | 195,246 | $201.5B | 1552.57% | |
| 7 | AMEAMETEK INC NEW | 2,565,657 | $194.9B | 1502.17% | |
| 8 | JAZZJAZZ PHARMACEUTICALS PLC | 1,203,405 | $181.7B | 1400.35% | |
| 9 | GOOGLALPHABET INC | 163,535 | $169.6B | 1307.15% | |
| 10 | STZCONSTELLATION BRANDS INC | 728,850 | $166.1B | 1280.26% | |
| 11 | MARMARRIOTT INTL INC NEW | 1,216,443 | $165.4B | 1274.81% | |
| 12 | COOCOOPER COS INC | 710,938 | $162.7B | 1253.67% | |
| 13 | HDHOME DEPOT INC | 899,363 | $160.3B | 1235.43% | |
| 14 | —STERIS PLC | 1,654,326 | $154.4B | 1190.31% | |
| 15 | BABOEING CO | 465,141 | $152.5B | 1175.37% | |
| 16 | UNHUNITEDHEALTH GROUP INC | 712,092 | $152.4B | 1174.43% | |
| 17 | NOWSERVICENOW INC | 908,000 | $150.2B | 1157.79% | |
| 18 | CRMSALESFORCE COM INC | 1,287,616 | $149.8B | 1154.10% | |
| 19 | UNPUNION PAC CORP | 1,087,131 | $146.1B | 1126.30% | |
| 20 | PGRPROGRESSIVE CORP OHIO | 2,362,109 | $143.9B | 1109.19% | |
| 21 | ADBEADOBE SYS INC | 640,964 | $138.5B | 1067.40% | |
| 22 | CELGCELGENE CORP | 1,475,259 | $131.6B | 1014.28% | |
| 23 | VRTXVERTEX PHARMACEUTICALS INC | 777,101 | $126.7B | 976.09% | |
| 24 | IRINGERSOLL-RAND PLC | 1,433,234 | $122.6B | 944.52% | |
| 25 | EOGEOG RES INC | 1,109,779 | $116.8B | 900.36% | |
| 26 | —ANDEAVOR | 1,148,183 | $115.5B | 889.84% | |
| 27 | —DOWDUPONT INC | 1,800,273 | $114.7B | 883.94% | |
| 28 | NKTREURNEKTAR THERAPEUTICS | 1,013,932 | $107.7B | 830.34% | |
| 29 | ABTABBOTT LABS | 1,756,838 | $105.3B | 811.30% | |
| 30 | 4I1PHILIP MORRIS INTL INC | 1,050,409 | $104.4B | 804.68% | |
| 31 | MTDMETTLER TOLEDO INTERNATIONAL | 181,072 | $104.1B | 802.45% | |
| 32 | UALUNITED CONTL HLDGS INC | 1,487,045 | $103.3B | 796.16% | |
| 33 | MAMASTERCARD INCORPORATED | 582,641 | $102.1B | 786.52% | |
| 34 | CTSHCOGNIZANT TECHNOLOGY SOLUTIO | 1,263,307 | $101.7B | 783.76% | |
| 35 | —MEDICINES CO | 3,029,611 | $99.8B | 769.11% | |
| 36 | CMECME GROUP INC | 610,726 | $98.8B | 761.28% | |
| 37 | CECELANESE CORP DEL | 980,149 | $98.2B | 756.98% | |
| 38 | MGMMGM RESORTS INTERNATIONAL | 2,783,870 | $97.5B | 751.35% | |
| 39 | ITWILLINOIS TOOL WKS INC | 618,209 | $96.8B | 746.40% | |
| 40 | SPGIS&P GLOBAL INC | 504,360 | $96.4B | 742.66% | |
| 41 | CSGPCOSTAR GROUP INC | 262,744 | $95.3B | 734.40% | |
| 42 | LIILENNOX INTL INC | 462,501 | $94.5B | 728.46% | |
| 43 | BACBANK AMER CORP | 3,144,783 | $94.3B | 726.85% | |
| 44 | WPWORLDPAY INC | 1,143,341 | $94.0B | 724.66% | |
| 45 | JBHTHUNT J B TRANS SVCS INC | 788,737 | $92.4B | 712.12% | |
| 46 | AVGOBROADCOM LTD | 390,548 | $92.0B | 709.29% | |
| 47 | 7SUSUMMIT MATLS INC | 2,959,310 | $89.6B | 690.60% | |
| 48 | PYPLPAYPAL HLDGS INC | 1,171,080 | $88.8B | 684.75% | |
| 49 | TDYTELEDYNE TECHNOLOGIES INC | 464,323 | $86.9B | 669.78% | |
| 50 | AVYAVERY DENNISON CORP | 804,689 | $85.5B | 658.92% | |
| 51 | BIIBBIOGEN INC | 299,879 | $82.1B | 632.83% | |
| 52 | AJGGALLAGHER ARTHUR J & CO | 1,163,573 | $80.0B | 616.33% | |
| 53 | AMATAPPLIED MATLS INC | 1,420,505 | $79.0B | 608.80% | |
| 54 | —RSP PERMIAN INC | 1,676,139 | $78.6B | 605.58% | |
| 55 | IBMINTERNATIONAL BUSINESS MACHS | 509,164 | $78.1B | 602.07% | |
| 56 | —DELPHI TECHNOLOGIES PLC | 1,630,056 | $77.7B | 598.61% | |
| 57 | —PINNACLE FOODS INC DEL | 1,426,489 | $77.2B | 594.76% | |
| 58 | APTVAPTIV PLC | 907,637 | $77.1B | 594.37% | |
| 59 | T7DTRANSDIGM GROUP INC | 249,849 | $76.7B | 591.03% | |
| 60 | WEXWEX INC | 486,708 | $76.2B | 587.48% | |
| 61 | FTNTFORTINET INC | 1,329,072 | $71.2B | 548.82% | |
| 62 | TRUTRANSUNION | 1,254,102 | $71.2B | 548.79% | |
| 63 | RHT1EURRED HAT INC | 475,148 | $71.0B | 547.49% | |
| 64 | COSTCOSTCO WHSL CORP NEW | 375,714 | $70.8B | 545.61% | |
| 65 | MSCIMSCI INC | 463,778 | $69.3B | 534.25% | |
| 66 | FLT1EURFLEETCOR TECHNOLOGIES INC | 338,238 | $68.5B | 527.87% | |
| 67 | —KLX INC | 959,270 | $68.2B | 525.35% | |
| 68 | SPLKCHFSPLUNK INC | 681,207 | $67.0B | 516.54% | |
| 69 | LRCXEURLAM RESEARCH CORP | 325,862 | $66.2B | 510.21% | |
| 70 | CMACOMERICA INC | 675,441 | $64.8B | 499.37% | |
| 71 | —IHS MARKIT LTD | 1,339,177 | $64.6B | 497.88% | |
| 72 | TSSTOTAL SYS SVCS INC | 746,440 | $64.4B | 496.23% | |
| 73 | ICLRICON PLC | 535,751 | $63.3B | 487.80% | |
| 74 | BUWABIO RAD LABS INC | 248,444 | $62.1B | 478.83% | |
| 75 | DLTRDOLLAR TREE INC | 642,790 | $61.0B | 470.13% | |
| 76 | FLSFLOWSERVE CORP | 1,405,642 | $60.9B | 469.39% | |
| 77 | BABAALIBABA GROUP HLDG LTD | 330,155 | $60.6B | 467.01% | |
| 78 | ESNTESSENT GROUP LTD | 1,409,279 | $60.0B | 462.25% | |
| 79 | NSYNICE LTD | 622,954 | $58.5B | 450.96% | |
| 80 | MUMICRON TECHNOLOGY INC | 1,119,169 | $58.4B | 449.72% | |
| 81 | BERYEURBERRY GLOBAL GROUP INC | 1,048,193 | $57.5B | 442.77% | |
| 82 | 3M4MASIMO CORP | 652,958 | $57.4B | 442.59% | |
| 83 | WEAWESTERN ALLIANCE BANCORP | 986,636 | $57.3B | 441.86% | |
| 84 | ARMKARAMARK | 1,419,368 | $56.1B | 432.74% | |
| 85 | VLOVALERO ENERGY CORP NEW | 587,893 | $54.5B | 420.32% | |
| 86 | —CANTEL MEDICAL CORP | 484,760 | $54.0B | 416.22% | |
| 87 | XLRNACCELERON PHARMA INC | 1,374,198 | $53.7B | 414.10% | |
| 88 | FISFIDELITY NATL INFORMATION SV | 552,360 | $53.2B | 409.94% | |
| 89 | AMTAMERICAN TOWER CORP NEW | 357,151 | $51.9B | 400.05% | |
| 90 | MTNVAIL RESORTS INC | 232,143 | $51.5B | 396.64% | |
| 91 | JBTJOHN BEAN TECHNOLOGIES CORP | 452,991 | $51.4B | 395.89% | |
| 92 | ETRAE TRADE FINANCIAL CORP | 920,435 | $51.0B | 393.06% | |
| 93 | NTBBANK OF NT BUTTERFIELD&SON L | 1,117,340 | $50.1B | 386.47% | |
| 94 | LGF/BEURLIONS GATE ENTMNT CORP | 2,029,344 | $48.9B | 376.61% | |
| 95 | AXTAAXALTA COATING SYS LTD | 1,618,095 | $48.9B | 376.48% | |
| 96 | BLDTOPBUILD CORP | 622,893 | $47.7B | 367.34% | |
| 97 | UNVREURUNIVAR INC | 1,710,245 | $47.5B | 365.76% | |
| 98 | SIXEURSIX FLAGS ENTMT CORP NEW | 740,767 | $46.1B | 355.44% | |
| 99 | IDXXIDEXX LABS INC | 234,307 | $44.8B | 345.61% | |
| 100 | RPREALPAGE INC | 857,913 | $44.2B | 340.51% |
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