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Castleark Management LLC

Q2 2018 Holdings

Filed 2018-08-15 | 369 holdings | $248.4M | 13F-HR | View on SEC ↗ · Holdings Table ↗

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IssuerClassCUSIPValue ↓Shares% Portfolio
Align Technology Inc(ALGN)COM016255101$54.3M158,79121.9%
Costco Whsl Corp New(COST)COM22160K105$39.0M186,63115.7%
Adobe SYS Inc(ADBE)COM00724F101$21.4M87,8498.6%
Chart Inds Inc(GTLS)COM PAR $0.0116115Q308$16.7M271,1956.7%
Chegg Inc(CHGG)COM163092109$14.1M506,2475.7%
Axon Enterprise Inc(AXON)COM05464C101$12.2M193,3564.9%
Axogen Inc(AXGN)COM05463X106$12.1M239,9954.9%
Allegheny Technologies Inc(ATI)COM01741R102$9.6M380,8753.9%
Conmed Corp(CNMD)COM207410101$9.0M122,9253.6%
Agios Pharmaceuticals Inc(AGIO)COM00847X104$8.1M96,3303.3%
Burlington Stores Inc(BURL)COM122017106$8.1M53,6203.2%
Collegium Pharmaceutical Inc(COLL)COM19459J104$7.0M292,8782.8%
Conocophillips(COP)COM20825C104$6.9M98,4602.8%
Codexis Inc(CDXS)COM192005106$6.2M433,2782.5%
Akamai Technologies Inc(AKAM)COM00971T101$5.9M80,8952.4%
BIO RAD Labs Inc(BIO)CL A090572207$5.3M18,4902.1%
Biogen Inc(BIIB)COM09062X103$4.8M16,4461.9%
Asure Software Inc(ASUR)COM04649U102$3.1M192,2051.2%
Alibaba Group Hldg LTD(BABA)SPONSORED ADS01609W102$1.2M6,2400.5%
Darden Restaurants Inc(DRI)COM237194105$497.0K4,6400.2%
Amazon COM Inc(AMZN)COM023135106$67.9K39,9300.0%
Abiomed Inc(ABMDEUR)COM003654100$65.1K159,1700.0%
Unitedhealth Group Inc(UNH)COM91324P102$60.7K247,5460.0%
Microsoft Corp(MSFT)COM594918104$59.6K604,5820.0%
Apple Inc(AAPL)COM037833100$55.6K300,5440.0%
Schwab Charles Corp New(SCHW)COM808513105$52.5K1,026,9430.0%
Ishares TR(TLT)20 YR TR BD ETF464287432$47.4K389,3000.0%
Netflix Inc(NFLX)COM64110L106$47.2K120,6170.0%
Visa Inc(V)COM CL A92826C839$45.1K340,3390.0%
Facebook Inc(META)CL A30303M102$42.6K219,1440.0%
Cummins Inc(CMI)COM231021106$40.0K3000.0%
Continental Resources Inc(CLRUSD)COM212015101$39.8K614,8960.0%
XPO Logistics Inc(XPO)COM983793100$38.6K384,9060.0%
Hunt J B Trans Svcs Inc(JBHT)COM445658107$36.8K302,9380.0%
CME Group Inc(CME)COM CL A12572Q105$36.8K224,4950.0%
PVH Corp(PVH)COM693656100$36.8K245,4780.0%
Union PAC Corp(UNP)COM907818108$36.7K258,8500.0%
Caterpillar Inc del(CAT)COM149123101$36.3K267,6130.0%
Microchip Technology Inc(MCHP)COM595017104$35.6K391,9170.0%
Morgan Stanley(MS)COM NEW617446448$35.6K751,3700.0%
Paypal Hldgs Inc(PYPL)COM70450Y103$35.6K427,5040.0%
S&P Global Inc(SPGI)COM78409V104$34.8K170,7960.0%
Illumina Inc(ILMN)COM452327109$34.7K124,3670.0%
Valero Energy Corp New(VLO)COM91913Y100$28.9K260,3330.0%
Servicenow Inc(NOW)COM81762P102$27.3K158,3700.0%
Edwards Lifesciences Corp(EW)COM28176E108$25.8K177,3970.0%
EOG RES Inc(EOG)COM26875P101$25.8K206,9690.0%
United Rentals Inc(URI)COM911363109$25.4K172,2850.0%
Alphabet Inc(GOOG)CAP STK CL C02079K107$25.3K22,6790.0%
Activision Blizzard Inc(ATVIEUR)COM00507V109$25.0K327,8970.0%
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