WESTFIELD CAPITAL MANAGEMENT CO LP Q1 2017 Filing
Filed May 12, 2017
Portfolio Value
$11.6B
Holdings
258
Report Date
Q1 2017
Filing Type
13F-HR
All Holdings (258 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 101 | PTCPTC INC | 757,046 | $39.8B | 341.53% | |
| 102 | ALGTALLEGIANT TRAVEL CO | 247,331 | $39.6B | 340.26% | |
| 103 | FRCBFIRST REP BK SAN FRANCISCO C | 420,247 | $39.4B | 338.44% | |
| 104 | RJFRAYMOND JAMES FINANCIAL INC | 513,209 | $39.1B | 335.98% | |
| 105 | WSOWATSCO INC | 271,917 | $38.9B | 334.23% | |
| 106 | VRTXVERTEX PHARMACEUTICALS INC | 355,880 | $38.9B | 334.08% | |
| 107 | GRA1EURGRACE W R & CO DEL NEW | 557,155 | $38.8B | 333.43% | |
| 108 | MIC2EURMACQUARIE INFRASTRUCTURE COR | 479,018 | $38.6B | 331.37% | |
| 109 | —ELECTRONICS FOR IMAGING INC | 789,935 | $38.6B | 331.14% | |
| 110 | BFAMBRIGHT HORIZONS FAM SOL IN D | 531,787 | $38.5B | 330.94% | |
| 111 | STAGSTAG INDL INC | 1,526,473 | $38.2B | 327.87% | |
| 112 | LKQ1LKQ CORP | 1,295,485 | $37.9B | 325.53% | |
| 113 | OMCLOMNICELL INC | 925,244 | $37.6B | 322.88% | |
| 114 | 3M4MASIMO CORP | 402,920 | $37.6B | 322.58% | |
| 115 | CR1USDCRANE CO | 496,420 | $37.1B | 318.90% | |
| 116 | 7SUSUMMIT MATLS INC | 1,418,683 | $35.1B | 300.95% | |
| 117 | AOSSMITH A O | 662,162 | $33.9B | 290.82% | |
| 118 | ZAYOEURZAYO GROUP HLDGS INC | 1,026,260 | $33.8B | 289.86% | |
| 119 | ODFLOLD DOMINION FGHT LINES INC | 394,052 | $33.7B | 289.47% | |
| 120 | —FCB FINL HLDGS INC | 661,497 | $32.8B | 281.38% | |
| 121 | —BROADSOFT INC | 802,544 | $32.3B | 276.96% | |
| 122 | FLSFLOWSERVE CORP | 658,358 | $31.9B | 273.67% | |
| 123 | DNKNDUNKIN BRANDS GROUP INC | 581,064 | $31.8B | 272.77% | |
| 124 | VIABVIACOM INC NEW | 671,750 | $31.3B | 268.85% | |
| 125 | SAVESPIRIT AIRLS INC | 585,955 | $31.1B | 266.96% | |
| 126 | XLRNACCELERON PHARMA INC | 1,147,919 | $30.4B | 260.85% | |
| 127 | BKRBAKER HUGHES INC | 499,210 | $29.9B | 256.37% | |
| 128 | ZEN1EURZENDESK INC | 1,031,640 | $28.9B | 248.33% | |
| 129 | —KATE SPADE & CO | 1,243,450 | $28.9B | 247.97% | |
| 130 | —ELDORADO RESORTS INC | 1,521,901 | $28.8B | 247.26% | |
| 131 | IARTINTEGRA LIFESCIENCES HLDGS C | 683,625 | $28.8B | 247.25% | |
| 132 | ORLYO REILLY AUTOMOTIVE INC NEW | 105,256 | $28.4B | 243.83% | |
| 133 | —WESTERN REFNG INC | 806,620 | $28.3B | 242.85% | |
| 134 | ESNTESSENT GROUP LTD | 762,310 | $27.6B | 236.71% | |
| 135 | MSGSMADISON SQUARE GARDEN CO NEW | 138,055 | $27.6B | 236.69% | |
| 136 | 4DHDANA INCORPORATED | 1,427,106 | $27.6B | 236.57% | |
| 137 | LBRDALIBERTY BROADBAND CORP | 319,885 | $27.2B | 233.67% | |
| 138 | VMCVULCAN MATLS CO | 225,770 | $27.2B | 233.52% | |
| 139 | MPWRMONOLITHIC PWR SYS INC | 292,031 | $26.9B | 230.90% | |
| 140 | —INTERXION HOLDING N.V | 678,085 | $26.8B | 230.29% | |
| 141 | BCBRUNSWICK CORP | 434,226 | $26.6B | 228.14% | |
| 142 | HXLHEXCEL CORP NEW | 477,010 | $26.0B | 223.39% | |
| 143 | PFPTPROOFPOINT INC | 341,034 | $25.4B | 217.70% | |
| 144 | BIDSOTHEBYS | 534,965 | $24.3B | 208.87% | |
| 145 | FISFIDELITY NATL INFORMATION SV | 301,640 | $24.0B | 206.18% | |
| 146 | CLVSEURCLOVIS ONCOLOGY INC | 375,530 | $23.9B | 205.26% | |
| 147 | —ORBOTECH LTD | 741,042 | $23.9B | 205.17% | |
| 148 | RPREALPAGE INC | 683,878 | $23.9B | 204.89% | |
| 149 | —BMC STK HLDGS INC | 1,045,550 | $23.6B | 202.85% | |
| 150 | UNVREURUNIVAR INC | 762,059 | $23.4B | 200.58% | |
| 151 | CYBRCYBERARK SOFTWARE LTD | 459,190 | $23.4B | 200.53% | |
| 152 | —BIOVERATIV INC | 428,834 | $23.4B | 200.49% | |
| 153 | BMRNBIOMARIN PHARMACEUTICAL INC | 264,005 | $23.2B | 198.94% | |
| 154 | LYVLIVE NATION ENTERTAINMENT IN | 762,480 | $23.2B | 198.80% | |
| 155 | NTBBANK OF NT BUTTERFIELD&SON L | 710,155 | $22.7B | 194.54% | |
| 156 | AMGAFFILIATED MANAGERS GROUP | 137,838 | $22.6B | 193.99% | |
| 157 | ITGARTNER INC | 208,065 | $22.5B | 192.89% | |
| 158 | —ULTIMATE SOFTWARE GROUP INC | 114,666 | $22.4B | 192.16% | |
| 159 | PLAYDAVE & BUSTERS ENTMT INC | 365,153 | $22.3B | 191.50% | |
| 160 | SUISUN CMNTYS INC | 277,469 | $22.3B | 191.35% | |
| 161 | MGMMGM RESORTS INTERNATIONAL | 811,280 | $22.2B | 190.83% | |
| 162 | ALKSALKERMES PLC | 373,170 | $21.8B | 187.41% | |
| 163 | MTGMGIC INVT CORP WIS | 2,134,600 | $21.6B | 185.63% | |
| 164 | SIVBEURSVB FINL GROUP | 115,560 | $21.5B | 184.62% | |
| 165 | WNSNWNS HOLDINGS LTD | 738,180 | $21.1B | 181.30% | |
| 166 | MKTXMARKETAXESS HLDGS INC | 111,446 | $20.9B | 179.38% | |
| 167 | ACRSACLARIS THERAPEUTICS INC | 695,502 | $20.7B | 178.05% | |
| 168 | —ARRIS INTL INC | 782,334 | $20.7B | 177.65% | |
| 169 | JT5MUELLER WTR PRODS INC | 1,745,582 | $20.6B | 177.13% | |
| 170 | WEAWESTERN ALLIANCE BANCORP | 418,760 | $20.6B | 176.48% | |
| 171 | RUSHARUSH ENTERPRISES INC | 610,826 | $20.2B | 173.46% | |
| 172 | DATATABLEAU SOFTWARE INC | 404,484 | $20.0B | 172.06% | |
| 173 | PVHPVH CORP | 192,290 | $19.9B | 170.80% | |
| 174 | HAINHAIN CELESTIAL GROUP INC | 534,171 | $19.9B | 170.59% | |
| 175 | —NORD ANGLIA EDUCATION INC | 772,295 | $19.6B | 168.00% | |
| 176 | CVLTCOMMVAULT SYSTEMS INC | 380,069 | $19.3B | 165.76% | |
| 177 | GOLFACUSHNET HOLDINGS CORP | 1,094,890 | $18.9B | 162.42% | |
| 178 | —COLUMBIA PPTY TR INC | 845,920 | $18.8B | 161.58% | |
| 179 | —CYPRESS SEMICONDUCTOR CORP | 1,367,790 | $18.8B | 161.57% | |
| 180 | ULTAULTA BEAUTY INC | 64,566 | $18.4B | 158.10% | |
| 181 | 8CWCROWN CASTLE INTL CORP NEW | 194,183 | $18.3B | 157.45% | |
| 182 | NSANATIONAL STORAGE AFFILIATES | 747,577 | $17.9B | 153.38% | |
| 183 | EXPEEXPEDIA INC DEL | 140,840 | $17.8B | 152.55% | |
| 184 | LF2PACIFIC PREMIER BANCORP | 458,532 | $17.7B | 151.75% | |
| 185 | SSS1EURLIFE STORAGE INC | 214,188 | $17.6B | 151.00% | |
| 186 | —SENIOR HSG PPTYS TR | 845,150 | $17.1B | 146.92% | |
| 187 | —ISLE OF CAPRI CASINOS INC | 643,389 | $17.0B | 145.60% | |
| 188 | ANAUTONATION INC | 399,045 | $16.9B | 144.88% | |
| 189 | TELTE CONNECTIVITY LTD | 224,140 | $16.7B | 143.45% | |
| 190 | —KNOLL INC | 697,620 | $16.6B | 142.59% | |
| 191 | MUMICRON TECHNOLOGY INC | 562,270 | $16.3B | 139.50% | |
| 192 | PANWPALO ALTO NETWORKS INC | 138,569 | $15.6B | 134.04% | |
| 193 | LADLITHIA MTRS INC | 177,758 | $15.2B | 130.70% | |
| 194 | —CARDIOME PHARMA CORP | 4,894,948 | $14.7B | 126.49% | |
| 195 | LRCXEURLAM RESEARCH CORP | 114,635 | $14.7B | 126.33% | |
| 196 | CHUYUSDCHUYS HLDGS INC | 481,709 | $14.4B | 123.23% | |
| 197 | MATXMATSON INC | 441,500 | $14.0B | 120.38% | |
| 198 | CMCSACOMCAST CORP NEW | 368,440 | $13.8B | 118.90% | |
| 199 | —INTEGRATED DEVICE TECHNOLOGY | 568,505 | $13.5B | 115.53% | |
| 200 | PRTAPROTHENA CORP PLC | 239,194 | $13.3B | 114.56% |