Institution Information
Reportee Signature Date Report period Total Entries Total AUM($)
WESTFIELD CAPITAL MANAGEMENT CO LP 11-08-2019 09-30-2019 234 12,488,835,000
Institutional Holdings
Issuer Class Position Value Shares Portfolio Percentage (%) Previous Percentage (%) Shares Delta Shares Delta(%) Date Reported
MEDICINES CO COM 1 $323,420,000 6,468,402 2.59 1.28 1,821,394 39.19 09-30-2019
MICROSOFT CORP COM 2 $314,500,000 2,262,099 2.52 2.07 205,977 10.02 09-30-2019
APPLE INC COM 3 $311,517,000 1,390,886 2.49 2.55 -321,183 -18.76 09-30-2019
AMAZON COM INC COM 4 $304,758,000 175,561 2.44 2.70 -13,598 -7.19 09-30-2019
ALPHABET INC CAP STK CL A 5 $280,049,000 229,334 2.24 1.12 91,640 66.55 09-30-2019
VISA INC COM CL A 6 $234,817,000 1,365,133 1.88 1.95 -124,969 -8.39 09-30-2019
FACEBOOK INC CL A 7 $232,505,000 1,305,621 1.86 1.71 130,200 11.08 09-30-2019
TELEDYNE TECHNOLOGIES INC COM 8 $210,609,000 654,085 1.69 1.32 11,797 1.84 09-30-2019
FIDELITY NATL INFORMATION SV COM 9 $209,957,000 1,581,476 1.68 0.37 1,183,715 297.59 09-30-2019
SERVICENOW INC COM 10 $188,837,000 743,894 1.51 1.77 -112,376 -13.12 09-30-2019
HOME DEPOT INC COM 11 $185,258,000 798,456 1.48 1.52 -174,410 -17.93 09-30-2019
INGERSOLL-RAND PLC SHS 12 $172,507,000 1,400,105 1.38 1.47 -138,422 -9.00 09-30-2019
SALESFORCE COM INC COM 13 $167,847,000 1,130,739 1.34 1.33 -30,631 -2.64 09-30-2019
MARATHON PETE CORP COM 14 $166,455,000 2,739,997 1.33 1.27 -283,977 -9.39 09-30-2019
AMETEK INC NEW COM 15 $165,079,000 1,797,857 1.32 1.40 -245,414 -12.01 09-30-2019
L3HARRIS TECHNOLOGIES INC COM 16 $161,158,000 772,420 1.29 772,420 +Inf 09-30-2019
METTLER TOLEDO INTERNATIONAL COM 17 $158,957,000 225,663 1.27 1.50 -11,979 -5.04 09-30-2019
VERTEX PHARMACEUTICALS INC COM 18 $158,026,000 932,748 1.27 1.09 141,428 17.87 09-30-2019
BOEING CO COM Liquidated $0 0 1.12 1.67 -168,209 -29.23 09-30-2019
CHARTER COMMUNICATIONS INC N CL A 20 $147,789,000 358,607 1.18 0.90 55,332 18.24 09-30-2019
GLOBAL PMTS INC COM Liquidated $142,864,000 898,516 1.14 0.29 898,516 +Inf 09-30-2019
NETFLIX INC COM Liquidated $0 0 1.05 1.08 -20,086 -5.05 09-30-2019
BIO RAD LABS INC CL A 23 $137,060,000 411,912 1.10 0.85 52,300 14.54 09-30-2019
THERMO FISHER SCIENTIFIC INC COM 24 $136,162,000 467,476 1.09 1.00 13,385 2.95 09-30-2019
WORLDPAY INC CL A Liquidated $0 0 0.96 0.90 -5,297 -0.51 09-30-2019
ILLINOIS TOOL WKS INC COM 26 $123,161,000 787,021 0.99 0.78 96,852 14.03 09-30-2019
MASTERCARD INC CL A Liquidated $0 0 0.91 506,625 +Inf 06-30-2019
S&P GLOBAL INC COM 28 $118,786,000 484,879 0.95 0.90 -37,524 -7.18 09-30-2019
TRANSDIGM GROUP INC COM 29 $117,979,000 226,591 0.94 0.82 2,631 1.17 09-30-2019
LENNOX INTL INC COM Liquidated $0 0 0.86 0.86 -9,662 -2.27 09-30-2019
COOPER COS INC COM NEW 31 $113,287,000 381,437 0.91 1.22 -99,374 -20.67 09-30-2019
ASCENDIS PHARMA A S SPONSORED ADR 32 $108,269,000 1,124,054 0.87 0.84 152,302 15.67 09-30-2019
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 33 $107,459,000 2,024,096 0.86 0.57 445,497 28.22 09-30-2019
MCDONALDS CORP COM Liquidated $0 0 0.81 561,167 +Inf 06-30-2019
ADOBE INC COM 35 $106,380,000 385,086 0.85 0.95 -43,201 -10.09 09-30-2019
CONSTELLATION BRANDS INC CL A 36 $104,045,000 501,956 0.83 0.84 -61,822 -10.97 09-30-2019
TRANSUNION COM 37 $103,405,000 1,274,873 0.83 0.74 -56,595 -4.25 09-30-2019
APPLIED MATLS INC COM 38 $101,582,000 2,035,706 0.81 0.59 282,008 16.08 09-30-2019
STERIS PLC SHS USD 39 $100,997,000 698,993 0.81 0.91 -115,006 -14.13 09-30-2019
GALLAGHER ARTHUR J & CO COM 40 $100,550,000 1,122,585 0.81 0.84 -154,312 -12.08 09-30-2019
MARRIOTT INTL INC NEW CL A 41 $99,795,000 802,404 0.80 1.01 -155,302 -16.22 09-30-2019
BANK AMER CORP COM Liquidated $0 0 0.75 0.62 461,396 15.56 09-30-2019
ALEXANDRIA REAL ESTATE EQ IN COM 43 $97,759,000 634,635 0.78 0.05 584,045 1154.47 09-30-2019
ICON PLC SHS 44 $96,824,000 657,146 0.78 0.76 -2,344 -0.36 09-30-2019
T MOBILE US INC COM 45 $96,084,000 1,219,802 0.77 0.78 -170,903 -12.29 09-30-2019
BROADCOM INC COM 46 $95,885,000 347,320 0.77 0.62 60,309 21.01 09-30-2019
SPLUNK INC COM 47 $93,866,000 796,417 0.75 0.54 225,230 39.43 09-30-2019
CATERPILLAR INC DEL COM 48 $93,596,000 741,006 0.75 0.76 -3,098 -0.42 09-30-2019
HUNT J B TRANS SVCS INC COM 49 $93,389,000 844,002 0.75 0.58 -1,327 -0.16 09-30-2019
TOTAL SYS SVCS INC COM Liquidated $0 0 0.69 0.72 -286,420 -28.70 09-30-2019
TOPBUILD CORP COM 51 $89,018,000 923,136 0.71 0.57 13,728 1.51 09-30-2019
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