Fund Holdings — CASTLEARK MANAGEMENT LLC

Total Portfolio Value:
$3.41B
Total Bought:
$711.06M
Total Sold:
$812.17M
Net Transaction:
-$101.11M
Securities
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SharesValue
Q3 2025
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Q4 2025
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Change
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Q3 2025
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Q4 2025
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Weight (%)
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Change
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NVIDIA Corporation(NVDA)1,377,5161,408,146+30,630$257.02M$262.62M7.71%+$5.60M
Microsoft Corporation(MSFT)361,604369,460+7,856$187.29M$178.68M5.25%-$8.61M
Alphabet Inc.CL A(GOOG)373,879381,639+7,760$90.89M$119.45M3.51%+$28.56M
Amazon.com, Inc.(AMZN)390,607472,149+81,542$85.77M$108.98M3.20%+$23.22M
Apple Inc.(AAPL)380,021387,041+7,020$96.76M$105.22M3.09%+$8.46M
Eli Lilly and Company(LLY)44,55381,578+37,025$33.99M$87.67M2.57%+$53.68M
Spdr Series TrustSTATE STREET SPD
ST INTER BD ETF
2,519,3702,519,3700$85.38M$85.18M2.50%-$201.5K
Meta Platforms, Inc.CL A(META)147,375122,415-24,960$108.23M$80.80M2.37%-$27.42M
Vanguard Scottsdale FdsMTG BKD SECS ETF
MTG-BKD SECS ETF
1,705,5401,705,5400$80.09M$80.30M2.36%+$204.7K
Ishares TrUS TREAS BD ETF
US TREAS BD ETF
3,258,0993,329,569+71,470$75.33M$76.66M2.25%+$1.34M
Broadcom Inc.(AVGO)205,886205,880-6$67.92M$71.26M2.09%+$3.33M
Lam Research Corporation(LRCX)504,120372,876-131,244$67.50M$63.83M1.87%-$3.67M
The Charles Schwab Corporation(SCHW)611,674622,535+10,861$58.40M$62.20M1.83%+$3.80M
Visa Inc.CL A(V)167,090170,478+3,388$57.04M$59.79M1.76%+$2.75M
Mastercard IncorporatedCL A(MA)100,329102,451+2,122$57.07M$58.49M1.72%+$1.42M
Shopify Inc.CL A(SHOP)338,244345,382+7,138$50.27M$55.60M1.63%+$5.33M
Arista Networks, Inc.(ANET)402,479411,277+8,798$58.65M$53.89M1.58%-$4.76M
ServiceNow, Inc.(NOW)52,978270,420+217,442$48.75M$41.43M1.22%-$7.33M
Spdr Series TrustSTATE STREET SPD
ST SHO TREAS ETF
1,334,0801,334,0800$39.12M$39.06M1.15%-$53.4K
Blackstone Inc.(BX)239,174244,268+5,094$40.86M$37.65M1.11%-$3.21M
Gilead Sciences, Inc.(GILD)141,032277,328+136,296$15.65M$34.04M1.00%+$18.38M
Ishares TrMSCI EAFE ETF347,580347,5800$32.45M$33.38M0.98%+$924.6K
Snowflake Inc.(SNOW)148,110151,192+3,082$33.41M$33.17M0.97%-$240.7K
Microchip Technology Incorporated(MCHP)472,344515,494+43,150$30.33M$32.85M0.96%+$2.51M
GE Vernova Inc.(GEV)46,57347,741+1,168$28.64M$31.20M0.92%+$2.56M
Ulta Beauty, Inc.(ULTA)049,941+49,941$0$30.21M0.89%+$30.21M
Booking Holdings Inc.(BKNG)2,0605,472+3,412$11.12M$29.30M0.86%+$18.18M
Ishares Tr10 20 YR TRS ETF258,432258,4320$26.62M$26.27M0.77%-$341.1K
Uber Technologies, Inc.(UBER)257,268309,136+51,868$25.20M$25.26M0.74%+$55.0K
Insulet Corporation(PODD)50,49780,957+30,460$15.59M$23.01M0.68%+$7.42M
Advanced Micro Devices, Inc.(AMD)0104,746+104,746$0$22.43M0.66%+$22.43M
Vertiv Holdings CoCL A(VRT)122,201124,737+2,536$18.44M$20.21M0.59%+$1.77M
Ishares TrMBS ETF196,905204,235+7,330$18.74M$19.45M0.57%+$711.7K
Spotify Technology S.A.SHS(SPOT)32,75133,465+714$22.86M$19.43M0.57%-$3.43M
GE Aerospace(GE)52,74061,380+8,640$15.87M$18.91M0.56%+$3.04M
Tapestry, Inc.(TPR)0142,084+142,084$0$18.15M0.53%+$18.15M
Delta Air Lines, Inc.(DAL)229,490260,740+31,250$13.02M$18.10M0.53%+$5.07M
Vanguard Scottsdale FdsLG TERM COR BD
LG-TERM COR BD
236,450236,4500$18.36M$17.93M0.53%-$425.6K
Guardant Health, Inc.(GH)160,073165,043+4,970$10.00M$16.86M0.49%+$6.86M
Analog Devices, Inc.(ADI)59,47661,172+1,696$14.61M$16.59M0.49%+$1.98M
Old Dominion Freight Line, Inc.(ODFL)095,730+95,730$0$15.01M0.44%+$15.01M
JPMorgan Chase & Co.(JPM)53,36544,635-8,730$16.83M$14.38M0.42%-$2.45M
Eaton Corporation plcSHS(ETN)43,05244,514+1,462$16.11M$14.18M0.42%-$1.93M
Ascendis Pharma A/SADR(ASND)42,65666,336+23,680$8.48M$14.15M0.42%+$5.67M
Morgan Stanley(MS)90,24079,470-10,770$14.34M$14.11M0.41%-$236.2K
Ishares TrISHS 5 10YR INVT259,994259,9940$14.06M$14.01M0.41%-$54.6K
The TJX Companies, Inc.(TJX)76,94090,620+13,680$11.12M$13.92M0.41%+$2.80M
Citigroup Inc.(C)77,944117,464+39,520$7.91M$13.71M0.40%+$5.80M
Dycom Industries, Inc.(DY)30,02638,166+8,140$8.76M$12.90M0.38%+$4.14M
Tesla, Inc.(TSLA)2,80028,100+25,300$1.25M$12.64M0.37%+$11.39M
Walmart Inc.(WMT)141,260113,270-27,990$14.56M$12.62M0.37%-$1.94M
Ligand Pharmaceuticals Incorporated(LGND)64,67666,736+2,060$11.46M$12.62M0.37%+$1.16M
Stifel Financial Corp.(SF)87,67098,530+10,860$9.95M$12.34M0.36%+$2.39M
SiTime Corporation(SITM)32,58433,554+970$9.82M$11.85M0.35%+$2.03M
Kratos Defense & Security Solutions, Inc.(KTOS)180,954152,904-28,050$16.53M$11.61M0.34%-$4.93M
Lumentum Holdings Inc.(LITE)65,82331,153-34,670$10.71M$11.48M0.34%+$772.6K
EQT Corporation(EQT)140,485205,765+65,280$7.65M$11.03M0.32%+$3.38M
Taiwan Semiconductor Manufacturing Company LimitedADS(TSM)55,61036,290-19,320$15.53M$11.03M0.32%-$4.50M
Piper Sandler Companies27,84632,456+4,610$9.66M$11.03M0.32%+$1.36M
Evercore Inc.CL A(EVR)31,08632,046+960$10.49M$10.90M0.32%+$417.7K
Sanmina Corporation(SANM)56,07472,459+16,385$6.45M$10.87M0.32%+$4.42M
The Boeing Company(BA)3,40048,770+45,370$733.8K$10.59M0.31%+$9.86M
Advanced Energy Inds47,71349,133+1,420$8.12M$10.29M0.30%+$2.17M
Spx Technologies Inc48,47749,827+1,350$9.05M$9.97M0.29%+$913.9K
Xometry, Inc.CL A(XMTR)163,948167,478+3,530$8.93M$9.96M0.29%+$1.03M
Spdr Series TrustSTATE STREET SPD
ST STR SP BIOT
80,89080,8900$8.11M$9.86M0.29%+$1.76M
FirstCash Holdings, Inc.(FCFS)061,200+61,200$0$9.75M0.29%+$9.75M
GeneDx Holdings Corp.CL A(WGS)71,78674,016+2,230$7.73M$9.63M0.28%+$1.89M
CECO Environmental Corp.(CECO)153,385156,505+3,120$7.85M$9.37M0.27%+$1.51M
Rocket Companies, Inc.CL A(RKT)383,500481,560+98,060$7.43M$9.32M0.27%+$1.89M
InterDigital, Inc.(IDCC)28,06628,936+870$9.69M$9.21M0.27%-$476.6K
Nextpower IncCL A117,054105,484-11,570$8.66M$9.19M0.27%+$527.9K
Five Below, Inc.(FIVE)37,82048,340+10,520$5.85M$9.11M0.27%+$3.25M
TTM Technologies, Inc.(TTMI)127,860131,850+3,990$7.36M$9.10M0.27%+$1.73M
Arcutis Biotherapeutics, Inc.(ARQT)0309,430+309,430$0$8.99M0.26%+$8.99M
Garrett Motion Inc.(GTX)0514,400+514,400$0$8.97M0.26%+$8.97M
TechnipFMC plc(FTI)195,136200,886+5,750$7.70M$8.95M0.26%+$1.25M
iRhythm Holdings, Inc.(IRTC)58,39350,193-8,200$10.04M$8.91M0.26%-$1.14M
DigitalOcean Holdings, Inc.(DOCN)0184,989+184,989$0$8.90M0.26%+$8.90M
JBT Marel Corporation(JBTM)51,08958,539+7,450$7.18M$8.82M0.26%+$1.64M
Rambus Inc.(RMBS)110,83895,578-15,260$11.55M$8.78M0.26%-$2.77M
BridgeBio Pharma, Inc.(BBIO)123,707114,017-9,690$6.43M$8.72M0.26%+$2.30M
Planet Fitness, Inc.CL A(PLNT)82,51580,305-2,210$8.57M$8.71M0.26%+$145.6K
Select Sector Spdr TrSTATE STREET HEA
ST STR CARE ETF
056,130+56,130$0$8.69M0.26%+$8.69M
Mercury Systems, Inc.(MRCY)101,468118,458+16,990$7.85M$8.65M0.25%+$795.0K
Madrigal Pharmaceuticals, Inc.(MDGL)9,92614,466+4,540$4.55M$8.42M0.25%+$3.87M
WESCO International, Inc.(WCC)33,22734,237+1,010$7.03M$8.38M0.25%+$1.35M
Ferrari N V
COM
22,00022,352+352$10.67M$8.26M0.24%-$2.41M
Ishares Tr20 YR TR BD ETF94,54094,5400$8.45M$8.24M0.24%-$208.9K
Hci Group Inc41,28542,585+1,300$7.92M$8.16M0.24%+$239.3K
Mirion Technologies, Inc.CL A(MIR)0348,130+348,130$0$8.15M0.24%+$8.15M
Antero Resources Corporation(AR)0234,290+234,290$0$8.07M0.24%+$8.07M
General Motors Company(GM)099,280+99,280$0$8.07M0.24%+$8.07M
APi Group Corporation(APG)204,723210,993+6,270$7.04M$8.07M0.24%+$1.04M
Capital One Financial Corporation(COF)16,14032,920+16,780$3.43M$7.98M0.23%+$4.55M
Caterpillar Inc.(CAT)16,23013,920-2,310$7.74M$7.97M0.23%+$230.2K
Pegasystems Inc.(PEGA)129,117133,167+4,050$7.42M$7.95M0.23%+$528.5K
Valmont Industries, Inc.(VMI)19,12619,706+580$7.42M$7.93M0.23%+$512.4K
Kiniksa Pharmaceuticals International, plcCL A(KNSA)158,632192,192+33,560$6.16M$7.93M0.23%+$1.77M
Credo Technology Group Holdi
ORDINARY SHARES
51,77654,916+3,140$7.54M$7.90M0.23%+$362.8K
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CASTLEARK MANAGEMENT LLC — 13F Holdings — Q4 2025 | TickerTrail