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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q3 2025

Holdings as of Sep 30, 2025, filed Nov 17, 2025. Long positions only; changes compare share counts with Q2 2025.

Institution overview
Positions
284
+9 vs. Q2 2025
Portfolio value
$3.57B
+$239.1M (+7.2%) vs. Q2 2025
Filed
Nov 17, 2025
SEC
Holdings of Castleark Management LLC in Q3 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
Advisors Inner Circle FD II00791R608CASTLEARK LARGE7,383,950$322.1M9.0%−1,064,770−12.6%Reduced–
NVDANVIDIA CorpStock1,377,516$257.0M7.2%−41,082−2.9%ReducedHistory
MSFTMicrosoft CorpStock361,604$187.3M5.3%−10,390−2.8%ReducedHistory
METAMeta Platforms, Inc.Stock147,375$108.2M3.0%−5,360−3.5%ReducedHistory
AAPLApple Inc.Stock380,021$96.8M2.7%−13,195−3.4%ReducedHistory
GOOGLAlphabet Inc.Stock373,879$90.9M2.5%−13,635−3.5%ReducedHistory
AMZNAmazon Com IncStock390,607$85.8M2.4%−208,000−34.7%ReducedHistory
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF78464A375ETF2,519,370$85.4M2.4%00.0%Unchanged–
Vanguard Mortgage-Backed Securities ETF92206C771ETF1,705,540$80.1M2.2%00.0%Unchanged–
iShares U.S. Treasury Bond ETF46429B267ETF3,258,099$75.3M2.1%00.0%Unchanged–
AVGOBroadcom Inc.Stock205,886$67.9M1.9%+205,886NewHistory
LRCXLam Research CorpStock504,120$67.5M1.9%−18,530−3.5%ReducedHistory
NFLXNetflix IncStock54,948$65.9M1.8%−9,115−14.2%ReducedHistory
ANETArista Networks, Inc.Stock402,479$58.6M1.6%−420,135−51.1%ReducedHistory
SCHWSchwab Charles CorpStock611,674$58.4M1.6%+269,434+78.7%AddedHistory
MAMastercard IncStock100,329$57.1M1.6%−30,705−23.4%ReducedHistory
VVisa Inc.Stock167,090$57.0M1.6%−49,821−23.0%ReducedHistory
SHOPShopify Inc.Stock338,244$50.3M1.4%+44,380+15.1%AddedHistory
NOWServiceNow, Inc.Stock52,978$48.8M1.4%−10,360−16.4%ReducedHistory
BXBlackstone Inc.COM239,174$40.9M1.1%+31,280+15.0%AddedHistory
SPDR Series Trust78468R101ST SHO TREAS ETF1,334,080$39.1M1.1%00.0%Unchanged–
LLYEli Lilly & CoStock44,553$34.0M1.0%−1,615−3.5%ReducedHistory
SNOWSnowflake Inc.Stock148,110$33.4M0.9%−5,420−3.5%ReducedHistory
iShares MSCI Eafe ETF464287465ETF347,580$32.5M0.9%00.0%Unchanged–
MCHPMicrochip Technology IncStock472,344$30.3M0.9%+330,644+233.3%AddedHistory
GEVGE Vernova Inc.Stock46,573$28.6M0.8%+41,693+854.4%AddedHistory
iShares Tr46428865310-20 YR TRS ETF258,432$26.6M0.7%00.0%Unchanged–
UBERUber Technologies, IncStock257,268$25.2M0.7%+165,188+179.4%AddedHistory
SPOTSpotify Technology S.A.Stock32,751$22.9M0.6%−1,170−3.4%ReducedHistory
DXCMDexcom IncCOM300,249$20.2M0.6%−11,093−3.6%ReducedHistory
iShares Tr464288588MBS ETF196,905$18.7M0.5%00.0%Unchanged–
VRTVertiv Holdings CoCOM CL A122,201$18.4M0.5%+122,201NewHistory
Vanguard Scottsdale FDS92206C813LG-TERM COR BD236,450$18.4M0.5%00.0%Unchanged–
JPMJPMorgan Chase & CoStock53,365$16.8M0.5%+19,660+58.3%AddedHistory
KTOSKratos Defense & Security Solutions, Inc.COM NEW180,954$16.5M0.5%+6,788+3.9%AddedHistory
SPDR Series Trust78464A714ST STR SP RETAIL188,220$16.2M0.5%+30,740+19.5%Added–
ETNEaton Corp plcStock43,052$16.1M0.5%+42,792+16,458.5%AddedHistory
GEGeneral Electric CoStock52,740$15.9M0.4%+24,110+84.2%AddedHistory
GILDGilead Sciences, Inc.Stock141,032$15.7M0.4%+135,700+2,545.0%AddedHistory
PODDInsulet CorpStock50,497$15.6M0.4%+2,827+5.9%AddedHistory
TSMTaiwan Semiconductor Manufacturing Co LtdADR55,610$15.5M0.4%00.0%UnchangedHistory
HDHome Depot, Inc.Stock37,270$15.1M0.4%+34,970+1,520.4%AddedHistory
ADIAnalog Devices IncStock59,476$14.6M0.4%+59,476NewHistory
WMTWalmart Inc.Stock141,260$14.6M0.4%+55,760+65.2%AddedHistory
CEGConstellation Energy CorpStock44,030$14.5M0.4%+21,290+93.6%AddedHistory
LNGCheniere Energy, Inc.COM NEW61,301$14.4M0.4%−2,125−3.4%ReducedHistory
ORCLOracle CorpStock51,200$14.4M0.4%+51,200NewHistory
MSMorgan StanleyStock90,240$14.3M0.4%+13,730+17.9%AddedHistory
BEBloom Energy CorpCOM CL A169,125$14.3M0.4%+161,705+2,179.3%AddedHistory
iShares Tr464288638ISHS 5-10YR INVT259,994$14.1M0.4%00.0%Unchanged–
AVAVAeroVironment IncCOM42,313$13.3M0.4%+12,661+42.7%AddedHistory
DALDelta Air Lines, Inc.COM NEW229,490$13.0M0.4%+229,490NewHistory
RMBSRambus IncCOM110,838$11.5M0.3%−3,862−3.4%ReducedHistory
LGNDLigand Pharmaceuticals IncCOM NEW64,676$11.5M0.3%+64,676NewHistory
STRLSterling Infrastructure, Inc.COM32,910$11.2M0.3%+4,170+14.5%AddedHistory
BKNGBooking Holdings Inc.Stock2,060$11.1M0.3%+970+89.0%AddedHistory
TJXTJX Companies IncStock76,940$11.1M0.3%−10,720−12.2%ReducedHistory
LIFLife360, Inc.COM100,802$10.7M0.3%+16,232+19.2%AddedHistory
LITELumentum Holdings Inc.COM65,823$10.7M0.3%+2,453+3.9%AddedHistory
RACEFerrari N.V.COM22,000$10.7M0.3%+450+2.1%AddedHistory
EVREvercore Inc.CLASS A31,086$10.5M0.3%+3,686+13.5%AddedHistory
EYENational Vision Holdings, Inc.COM352,276$10.3M0.3%+96,806+37.9%AddedHistory
IRTCiRhythm Holdings, Inc.COM58,393$10.0M0.3%+10,213+21.2%AddedHistory
GHGuardant Health, Inc.COM160,073$10.0M0.3%+38,513+31.7%AddedHistory
VSTVistra Corp.Stock50,910$9.97M0.3%−1,485−2.8%ReducedHistory
SFStifel Financial CorpCOM87,670$9.95M0.3%+3,260+3.9%AddedHistory
GTESGates Industrial Corp Ltd.ORD SHS398,452$9.89M0.3%+14,982+3.9%AddedHistory
SITMSITIME CorpCOM32,584$9.82M0.3%+1,226+3.9%AddedHistory
PNCPNC Financial Services Group, Inc.Stock48,240$9.69M0.3%+48,240NewHistory
IDCCInterDigital, Inc.COM28,066$9.69M0.3%−4,394−13.5%ReducedHistory
PIPRPiper Sandler CompaniesCOM27,846$9.66M0.3%+27,846NewHistory
EXEExpand Energy CorpCOM89,240$9.48M0.3%00.0%UnchangedHistory
SPXCSPX Technologies, Inc.COM48,477$9.05M0.3%+1,867+4.0%AddedHistory
XMTRXometry, Inc.CLASS A COM163,948$8.93M0.3%+35,498+27.6%AddedHistory
MPCMarathon Petroleum CorpStock46,258$8.92M0.2%+43,920+1,878.5%AddedHistory
DYDycom Industries IncCOM30,026$8.76M0.2%+30,026NewHistory
GENIGenius Sports LtdSHARES CL A704,666$8.72M0.2%+27,046+4.0%AddedHistory
FNFabrinetSHS23,797$8.68M0.2%−8,123−25.4%ReducedHistory
NXTNextpower Inc.Stock117,054$8.66M0.2%+112,244+2,333.6%AddedHistory
PLNTPlanet Fitness, Inc.CL A82,515$8.57M0.2%+2,785+3.5%AddedHistory
ASNDAscendis Pharma A/SSPONSORED ADR42,656$8.48M0.2%+42,656NewHistory
iShares Tr46428743220 YR TR BD ETF94,540$8.45M0.2%00.0%Unchanged–
SPDR Series Trust78464A540ST STR SP TELCO59,740$8.36M0.2%+59,740New–
SIGSignet Jewelers LtdSHS86,758$8.32M0.2%+3,218+3.9%AddedHistory
AEISAdvanced Energy Industries IncCOM47,713$8.12M0.2%+1,823+4.0%AddedHistory
State Street SPDR S&P Biotech ETF78464A870ETF80,890$8.11M0.2%+80,890New–
PMPhilip Morris International Inc.Stock49,855$8.09M0.2%−287,894−85.2%ReducedHistory
AMSCAmerican Superconductor CorpStock135,617$8.05M0.2%+26,447+24.2%AddedHistory
HCIHCI Group, Inc.COM41,285$7.92M0.2%+1,485+3.7%AddedHistory
CCitigroup IncStock77,944$7.91M0.2%−56,240−41.9%ReducedHistory
CELHCelsius Holdings, Inc.COM NEW137,502$7.90M0.2%+22,184+19.2%AddedHistory
RCLRoyal Caribbean Cruises LtdCOM24,310$7.87M0.2%−11,260−31.7%ReducedHistory
MRCYMercury Systems IncCOM101,468$7.85M0.2%+8,668+9.3%AddedHistory
CECOCeco Environmental CorpCOM153,385$7.85M0.2%+153,385NewHistory
SEISolaris Energy Infrastructure, Inc.COM CL A193,926$7.75M0.2%+116,896+151.8%AddedHistory
CATCaterpillar IncStock16,230$7.74M0.2%+16,230NewHistory
WGSGeneDx Holdings Corp.COM CL A71,786$7.73M0.2%+71,786NewHistory
TPBTurning Point Brands, Inc.COM77,954$7.71M0.2%−17,026−17.9%ReducedHistory
FTITechnipFMC plcCOM195,136$7.70M0.2%−22,029−10.1%ReducedHistory
EQTEQT CorpStock140,485$7.65M0.2%+42,110+42.8%AddedHistory

Sold out since Q2 2025 (50)

Positions held at the end of Q2 2025 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q2 2025
SecurityClassShares in Q2 2025Value in Q2 2025% of portfolio in Q2 2025History
TTTrane Technologies plcSHS78,332$34.3M1.0%History
FICOFair Isaac CorpCOM9,000$16.5M0.5%History
VRNAVerona Pharma plcSPONSORED ADS153,020$14.5M0.4%History
ODFLOld Dominion Freight Line, Inc.COM59,570$9.67M0.3%History
LPLALPL Financial Holdings Inc.COM22,550$8.46M0.3%History
ALKTAlkami Technology, Inc.Stock264,440$7.97M0.2%History
HQYHealthequity, Inc.COM75,730$7.93M0.2%History
LADLithia Motors IncCOM23,150$7.82M0.2%History
BROSDutch Bros Inc.CL A114,300$7.81M0.2%History
PGRProgressive CorpStock27,870$7.44M0.2%History
RBCRBC Bearings INCCOM19,140$7.37M0.2%History
iShares Tr464288786U.S. INSRNCE ETF54,070$7.27M0.2%–
WAYWaystar Holding Corp.COM176,595$7.22M0.2%History
PARPar Technology CorpCOM103,900$7.21M0.2%History
UTIUniversal Technical Institute IncCOM204,520$6.93M0.2%History
CWSTCasella Waste Systems IncCL A58,840$6.79M0.2%History
Cyberark Software LtdM2682V108SHS16,230$6.60M0.2%–
KDKyndryl Holdings, Inc.Stock156,170$6.55M0.2%History
FLRFluor CorpStock127,440$6.53M0.2%History
AVPTAvePoint, Inc.COM CL A316,020$6.10M0.2%History
LTHLife Time Group Holdings, Inc.COMMON STOCK193,530$5.87M0.2%History
NTRANatera, Inc.COM34,730$5.87M0.2%History
RDNTRadNet, Inc.COM96,203$5.47M0.2%History
PAYPaymentus Holdings, Inc.Stock166,830$5.46M0.2%History
QTWOQ2 Holdings, Inc.COM57,070$5.34M0.2%History
FOURShift4 Payments, Inc.CL A52,880$5.24M0.2%History
OIO-I Glass, Inc.COM335,260$4.94M0.1%History
OPCHOption Care Health, Inc.COM NEW147,760$4.80M0.1%History
MODModine Manufacturing CoCOM46,340$4.56M0.1%History
CNKCinemark Holdings, Inc.COM147,620$4.46M0.1%History
GTLSChart Industries IncCOM24,830$4.09M0.1%History
AITApplied Industrial Technologies IncCOM17,240$4.01M0.1%History
PCTYPaylocity Holding CorpCOM18,440$3.34M0.1%History
BMIBadger Meter IncCOM13,490$3.30M0.1%History
TGLSTecnoglass Holdings Inc.ORD SHS39,550$3.06M0.1%History
EXLSExlService Holdings, Inc.COM68,770$3.01M0.1%History
LMBLimbach Holdings, Inc.COM21,140$2.96M0.1%History
SLNOSoleno Therapeutics IncCOM34,840$2.92M0.1%History
HWMHowmet Aerospace Inc.Stock14,610$2.72M0.1%History
LRNStride, Inc.COM16,740$2.43M0.1%History
UPSTUpstart Holdings, Inc.COM33,200$2.15M0.1%History
ANSSAnsys IncCOM4,040$1.42M<0.1%History
CLBTCellebrite DI Ltd.ORDINARY SHARES71,920$1.15M<0.1%History
CPRXCatalyst Pharmaceuticals, Inc.COM48,520$1.05M<0.1%History
PRMBPrimo Brands CorpCLASS A COM SHS19,600$580.6K<0.1%History
PNRPENTAIR plcSHS5,300$544.1K<0.1%History
CASYCaseys General Stores IncCOM1,010$515.4K<0.1%History
CQPCheniere Energy Partners, L.P.COM UNIT8,404$471.0K<0.1%History
TOSTToast, Inc.Stock8,790$389.3K<0.1%History
NTNXNutanix, Inc.Stock4,840$370.0K<0.1%History