Castleark Management LLC Top Holdings and 13F Report (2026) About Castleark Management LLCInvestment ActivityCastleark Management LLC has $3.71 billion in total holdings as of June 30, 2026.Castleark Management LLC owns shares of 309 different stocks, but just 91 companies or ETFs make up 80% of its holdings.Approximately 22.70% of the portfolio was purchased this quarter.About 17.79% of the portfolio was sold this quarter.This quarter, Castleark Management LLC has purchased 292 new stocks and bought additional shares in 71 stocks.Castleark Management LLC sold shares of 88 stocks and completely divested from 42 stocks this quarter.Largest Holdings NVIDIA $260,037,964Alphabet $181,219,825Apple $136,609,171LAM RESEARCH CORP $122,982,521Microsoft $109,209,065 Largest New Holdings this Quarter G8068L108 - SharkNinja $19,364,176 HoldingK08588103 - ASCENDIS PHARMA A/S $16,455,557 Holding428291108 - Hexcel $10,611,363 Holding227046109 - Crocs $10,352,118 Holding81725T100 - Sensient Technologies $10,223,207 Holding Largest Purchases this Quarter Morgan Stanley 184,862 shares (about $38.64M)Apple 122,097 shares (about $35.33M)Alphabet 89,074 shares (about $31.83M)Visa 82,340 shares (about $28.25M)Booking 131,880 shares (about $23.51M) Largest Sales this Quarter Charles Schwab 494,693 shares (about $45.65M)SHOPIFY INC 223,426 shares (about $25.51M)DIGITALOCEAN HLDGS INC 146,712 shares (about $23.04M)LAM RESEARCH CORP 52,932 shares (about $22.94M)Chevron 124,700 shares (about $20.67M) Sector Allocation Over TimeMap of 500 Largest Holdings ofCastleark Management LLC Selling Neutral Buying Latest 13F Holdings and Changes Since Previous Quarterly FilingIssuer NameHoldings ValueApproximate Purchase/SaleChange in SharesShares Held% of PortfolioSectorNVDANVIDIA$260,037,964$8,322,343 â–²3.3%1,299,6057.0%TechnologyGOOGLAlphabet$181,219,825$31,832,375 â–²21.3%507,0934.9%Communication ServicesAAPLApple$136,609,171$35,329,988 â–²34.9%472,1083.7%TechnologyLAM RESEARCH CORP$122,982,521$22,937,024 â–¼-15.7%283,8083.3%COM NEWMSFTMicrosoft$109,209,065$10,693,737 â–²10.9%292,7702.9%TechnologyLLYEli Lilly and Company$105,186,413$17,054,695 â–²19.4%87,6972.8%HealthcareAVGOBroadcom$92,131,714$15,560,278 â–²20.3%243,8962.5%TechnologySPIBSPDR Portfolio Intermediate Term Corporate Bond ETF$89,953,1950.0%2,688,3802.4%ETFVVisa$81,026,193$28,250,031 â–²53.5%236,1662.2%FinanceARISTA NETWORKS INC$80,407,432$7,200,194 â–²9.8%473,3192.2%COM SHSGOVTiShares U.S. Treasury Bond ETF$75,847,5820.0%3,329,5692.0%ETFVMBSVanguard Mortgage-Backed Securities ETF$69,643,9180.0%1,487,8001.9%ETFAMDAdvanced Micro Devices$69,049,867$17,375,599 â–²33.6%118,8651.9%TechnologyGILDGilead Sciences$66,649,656$23,422,425 â–²54.2%527,5421.8%HealthcareAMZNAmazon.com$63,934,467$5,335,956 â–²9.1%268,2491.7%Consumer DiscretionaryGE VERNOVA INC$54,162,221$5,418,454 â–²11.1%46,1011.5%COMMETAMeta Platforms$52,805,058$17,023,187 â–¼-24.4%93,7441.4%Communication ServicesADIAnalog Devices$48,031,357$17,088,636 â–²55.2%120,9341.3%TechnologyMAMastercard$46,974,883$282,994 â–¼-0.6%91,4621.3%FinanceMSMorgan Stanley$43,593,620$38,643,553 â–²780.7%208,5421.2%FinanceSNOWSnowflake$42,455,181$7,831,983 â–²22.6%166,8181.1%TechnologyVRTVertiv$41,484,533$3,863,153 â–²10.3%123,9011.1%IndustrialsTPRTapestry$38,900,339$8,970,020 â–²30.0%265,7491.0%Consumer DiscretionarySPTSSPDR Portfolio Short Term Treasury ETF$38,701,6610.0%1,334,0801.0%ETFVCLTVanguard Long-Term Corporate Bond ETF$33,736,8330.0%448,3300.9%ETFNOWServiceNow$31,930,731$1,773,836 â–²5.9%321,6230.9%TechnologyTLHiShares 10-20 Year Treasury Bond ETF$25,933,6510.0%258,4320.7%ETFBKNGBooking$24,378,954$23,506,291 â–²2,693.6%136,7760.7%Consumer DiscretionaryMCOMoody's$24,205,856$16,551,508 â–²216.2%53,4440.7%FinanceTSLATesla$20,218,242$3,739,134 â–²22.7%48,0700.5%Consumer DiscretionaryCATCaterpillar$20,211,802$5,388,394 â–²36.4%18,9800.5%IndustrialsGEGE Aerospace$19,744,156$8,278,120 â–²72.2%52,8300.5%IndustrialsTSMTaiwan Semiconductor Manufacturing$19,680,6600.0%41,2100.5%TechnologyLGNDLigand Pharmaceuticals$19,611,172$4,218,853 â–²27.4%62,0430.5%HealthcareSNSharkNinja$19,364,176$19,364,176 â–²New Holding127,1700.5%Consumer DiscretionaryMBBiShares MBS ETF$19,304,2920.0%204,2350.5%ETFTWLOTwilio$19,062,829$13,541,438 â–²245.3%92,3900.5%TechnologyBKRBaker Hughes$18,316,110$3,172,935 â–¼-14.8%330,0200.5%EnergyGARRETT MOTION INC$17,008,898$671,342 â–¼-3.8%469,4700.5%COMJPMJPMorgan Chase & Co.$16,538,3480.0%50,5250.4%FinanceASCENDIS PHARMA A/S$16,455,557$16,455,557 â–²New Holding61,6960.4%ORD SHSJBHTJ.B. Hunt Transport Services$16,358,584$9,817,466 â–²150.1%56,5200.4%IndustrialsFANGDiamondback Energy$15,939,730$9,551,885 â–¼-37.5%90,6800.4%EnergyGMGeneral Motors$15,372,835$7,720,333 â–²100.9%199,4400.4%Consumer DiscretionaryBRIGHTSPRING HEALTH SVCS INC$14,814,868$2,424,860 â–¼-14.1%212,4300.4%COMSMTCSemtech$14,763,633$2,676,999 â–¼-15.3%91,2180.4%TechnologyFCFSFirstCash$14,750,861$549,453 â–¼-3.6%68,1900.4%FinanceMARMarriott International$14,049,067$10,950,935 â–²353.5%37,9100.4%Consumer DiscretionaryIGIBiShares 5-10 Year Investment Grade Corporate Bond ETF$13,823,8810.0%259,9940.4%ETFTJXTJX Companies$13,728,9300.0%90,6200.4%Consumer DiscretionaryUBERUber Technologies$13,668,331$1,410,079 â–²11.5%189,4170.4%IndustrialsUCTTUltra Clean$13,655,844$621,692 â–¼-4.4%95,7700.4%TechnologyNOVTNovanta$13,496,746$7,819,968 â–²137.8%83,1900.4%TechnologyAXONAxon Enterprise$13,131,168$8,163,603 â–²164.3%23,4230.4%IndustrialsBABoeing$12,884,294$7,238,757 â–²128.2%59,5200.3%IndustrialsXBISPDR S&P Biotech ETF$12,800,8430.0%80,8900.3%ETFESIElement Solutions$12,589,001$488,960 â–¼-3.7%263,6440.3%MaterialsMYRGMYR Group$12,469,968$3,682,944 â–²41.9%24,9200.3%IndustrialsGHGuardant Health$12,046,359$12,000,900 â–¼-49.9%80,2930.3%HealthcareTLTiShares 20+ Year Treasury Bond ETF$11,862,8730.0%137,2700.3%ETFFROGJFrog$11,767,142$3,330,752 â–²39.5%129,4800.3%TechnologyCCitigroup$11,719,411$5,073,550 â–²76.3%83,7340.3%FinanceXPOXPO$11,717,748$6,411,207 â–²120.8%57,0790.3%IndustrialsKLICKulicke and Soffa Industries$11,630,432$2,598,957 â–¼-18.3%86,9500.3%TechnologyHQYHealthEquity$11,540,186$7,158,763 â–²163.4%127,7700.3%HealthcareXMTRXometry$11,342,837$6,056,630 â–²114.6%117,5180.3%IndustrialsLSCCLattice Semiconductor$11,315,828$2,701,274 â–¼-19.3%73,9790.3%TechnologyJAZZJazz Pharmaceuticals$11,306,312$438,565 â–¼-3.7%46,9200.3%HealthcareHELIOS TECHNOLOGIES INC$11,192,753$3,123,750 â–¼-21.8%125,4090.3%COMKINIKSA PHARMACEUTICALS INTL$11,129,346$478,346 â–¼-4.1%174,0320.3%ORD SHS CL AESEESCO Technologies$11,051,463$4,802,549 â–²76.9%31,5720.3%IndustrialsVSECVSE$11,017,356$427,295 â–¼-3.7%48,2160.3%IndustrialsTKRTimken$10,957,128$5,087,653 â–²86.7%75,4000.3%IndustrialsHXLHexcel$10,611,363$10,611,363 â–²New Holding106,0500.3%IndustrialsBWABorgWarner$10,539,406$678,608 â–²6.9%158,7260.3%Consumer DiscretionaryAIRAAR$10,528,796$1,915,262 â–²22.2%73,6640.3%IndustrialsWALMART INC$10,371,218$2,457,742 â–¼-19.2%91,5700.3%COMCROXCrocs$10,352,118$10,352,118 â–²New Holding85,8100.3%Consumer DiscretionaryEQTEQT$10,306,7390.0%193,8450.3%EnergySXTSensient Technologies$10,223,207$10,223,207 â–²New Holding82,9200.3%MaterialsMAXLINEAR INC$10,214,233$10,214,233 â–²New Holding79,7800.3%COMSOLARIS ENERGY INFRAS INC$10,122,351$2,538,513 â–²33.5%125,8060.3%COM CL AEVREvercore$9,992,583$392,656 â–¼-3.8%29,2660.3%FinanceSHOPIFY INC$9,952,386$25,510,782 â–¼-71.9%87,1640.3%CL A SUB VTG SHSALGMAllegro MicroSystems$9,879,078$384,302 â–¼-3.7%141,9000.3%TechnologyUL SOLUTIONS INC$9,858,011$9,858,011 â–²New Holding96,7800.3%CLASS A COM SHSWMBWilliams Companies$9,795,7820.0%131,7700.3%EnergyCWSTCasella Waste Systems$9,741,606$9,741,606 â–²New Holding100,4600.3%IndustrialsCARDINAL INFRASTRUCTURE GROU$9,704,767$9,704,767 â–²New Holding103,0230.3%CL ASOLSTICE ADVANCED MATLS INC$9,655,628$360,602 â–¼-3.6%108,9800.3%COM SHSDYDycom Industries$9,513,181$6,921,527 â–¼-42.1%18,8160.3%IndustrialsRALLIANT CORP$9,479,126$9,479,126 â–²New Holding128,7400.3%COMWCCWESCO International$9,446,474$362,701 â–¼-3.7%27,3470.3%IndustrialsWSCWillScot$9,406,917$9,406,917 â–²New Holding325,9500.3%IndustrialsKNXKnight-Swift Transportation$9,388,007$425,949 â–¼-4.3%120,5600.3%IndustrialsLTHLife Time Group$9,364,530$9,364,530 â–²New Holding229,2980.3%Consumer DiscretionaryCGNXCognex$9,322,627$1,339,046 â–²16.8%128,7300.3%TechnologyAXPAmerican Express$9,232,534$8,327,715 â–²920.4%27,2950.2%FinanceASBAssociated Banc$9,212,630$369,855 â–¼-3.9%299,4030.2%FinanceBKDBrookdale Senior Living$9,172,652$456,473 â–¼-4.7%570,0840.2%HealthcareShowing largest 100 holdings. 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