Institution Information
Reportee Signature Date Report period Total Entries Total Value($)
CASTLEARK MANAGEMENT LLC 08-13-2019 06-30-2019 347 2,606,616,000
Institutional Holdings
Issuer Class Position Value Shares Portfolio Percentage (%) Previous Percentage (%) Shares Delta Shares Delta(%)
MICROSOFT CORP COM 1 $66,733,000 498,159 2.56 2.31 -23,290 -4.47
AMAZON COM INC COM 2 $59,517,000 31,430 2.28 2.49 -5,782 -15.54
ISHARES TR 20 YR TR BD ETF 3 $51,703,000 389,300 1.98 1.85 0 0.00
VISA INC COM CL A 4 $45,607,000 262,791 1.75 1.61 -11,270 -4.11
MERCK & CO INC COM 5 $43,952,000 524,175 1.69 1.67 -9,184 -1.72
ALPHABET INC CAP STK CL C 6 $42,317,000 39,149 1.62 1.76 -810 -2.03
BOEING CO COM 7 $39,590,000 108,761 1.52 1.21 24,734 29.44
IQVIA HLDGS INC COM 8 $38,486,000 239,194 1.48 1.18 21,189 9.72
DISNEY WALT CO COM DISNEY 9 $38,151,000 273,212 1.46 0.01 271,212 13560.60
APPLE INC COM 10 $38,032,000 192,160 1.46 1.44 -9,690 -4.80
QUALCOMM INC COM 11 $37,927,000 498,578 1.46 0.29 365,430 274.45
CME GROUP INC COM CL A 12 $37,444,000 192,902 1.44 0.89 49,216 34.25
ILLUMINA INC COM 13 $37,217,000 101,092 1.43 1.23 -4,040 -3.84
ADOBE INC COM 14 $37,185,000 126,199 1.43 0.79 47,927 61.23
SALESFORCE COM INC COM Liquidated $0 0 1.35 1.02 50,859 29.08
PAYPAL HLDGS INC COM 16 $35,392,000 309,209 1.36 1.57 -92,006 -22.93
TRANSUNION COM 17 $34,470,000 468,913 1.32 0.97 83,375 21.63
MEDTRONIC PLC SHS 18 $34,414,000 353,360 1.32 0.00 352,880 73516.67
ABIOMED INC COM 19 $32,905,000 126,320 1.26 1.02 31,087 32.64
SERVICENOW INC COM 20 $32,784,000 119,401 1.26 1.19 -8,667 -6.77
LULULEMON ATHLETICA INC COM 21 $31,239,000 173,349 1.20 0.27 129,272 293.29
HOME DEPOT INC COM 22 $31,005,000 149,084 1.19 0.86 30,280 25.49
ALIBABA GROUP HLDG LTD SPONSORED ADS 23 $30,487,000 179,917 1.17 1.29 -7,960 -4.24
CDW CORP COM 24 $30,107,000 271,237 1.16 1.29 -83,824 -23.61
INTUIT COM 25 $28,617,000 109,505 1.10 0.92 15,662 16.69
ZEBRA TECHNOLOGIES CORP CL A 26 $27,527,000 131,402 1.06 0.65 48,635 58.76
COSTCO WHSL CORP NEW COM 27 $25,026,000 94,704 0.96 1.30 -48,290 -33.77
BROADCOM INC COM 28 $24,607,000 85,482 0.94 85,482 +Inf
BURLINGTON STORES INC COM 29 $24,190,000 142,166 0.93 0.92 -14,595 -9.31
CINTAS CORP COM 30 $23,854,000 100,525 0.92 1.15 -51,197 -33.74
NIKE INC CL B 31 $23,821,000 283,748 0.91 1.42 -164,719 -36.73
CONSTELLATION BRANDS INC CL A 32 $22,161,000 112,527 0.85 112,527 +Inf
LILLY ELI & CO COM Liquidated $0 0 0.79 1.85 -213,886 -56.91
NETFLIX INC COM 34 $21,006,000 57,188 0.81 1.14 -27,452 -32.43
UNITEDHEALTH GROUP INC COM Liquidated $0 0 0.73 1.91 -101,885 -56.59
CONTINENTAL RESOURCES INC COM 36 $19,021,000 451,917 0.73 0.78 -12,620 -2.72
ENTERPRISE PRODS PARTNERS L COM 37 $16,676,000 577,620 0.64 0.63 0 0.00
ULTA BEAUTY INC COM 38 $16,381,000 47,222 0.63 0.44 13,808 41.32
CHART INDS INC COM PAR $0.01 Liquidated $0 0 0.59 0.49 -3,257 -1.85
DEXCOM INC COM 40 $15,045,000 100,407 0.58 0.55 -23,135 -18.73
EPAM SYS INC COM 41 $15,043,000 86,901 0.58 0.01 85,711 7202.61
EURONET WORLDWIDE INC COM 42 $14,927,000 88,724 0.57 0.48 -260 -0.29
CATERPILLAR INC DEL COM Liquidated $0 0 0.53 1.45 -162,676 -60.82
ALIGN TECHNOLOGY INC COM Liquidated $0 0 0.60 66,998 +Inf
RAPID7 INC COM 45 $13,892,000 240,180 0.53 0.50 -23,730 -8.99
MIDDLEBY CORP COM 46 $13,862,000 102,155 0.53 0.65 -29,949 -22.67
ISHARES TR MSCI EMG MKT ETF 47 $13,859,000 322,975 0.53 2.66 -1,324,025 -80.39
HAEMONETICS CORP COM Liquidated $13,808,000 114,740 0.53 0.48 114,740 +Inf
GUARDANT HEALTH INC COM 49 $13,744,000 159,199 0.53 159,199 +Inf
KEMPER CORP DEL COM 50 $13,647,000 158,158 0.52 0.45 -470 -0.30
LENDINGTREE INC NEW COM 51 $13,560,000 32,284 0.52 0.43 -100 -0.31
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