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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q1 2024

Holdings as of Mar 31, 2024, filed May 16, 2024. Long positions only; changes compare share counts with Q4 2023.

Institution overview
Positions
278
−3 vs. Q4 2023
Portfolio value
$2.40B
+$147.7M (+6.5%) vs. Q4 2023
Filed
May 16, 2024
SEC
Holdings of Castleark Management LLC in Q1 2024
SecurityClassSharesValue% of portfolioShare changeActionHistory
MSFTMicrosoft CorpStock383,595$161.4M6.7%−27,929−6.8%ReducedHistory
NVDANVIDIA CorpStock176,968$159.9M6.7%−15,393−8.0%ReducedHistory
AAPLApple Inc.Stock568,691$97.5M4.1%−9,862−1.7%ReducedHistory
AMZNAmazon Com IncStock505,673$91.2M3.8%−27,112−5.1%ReducedHistory
METAMeta Platforms, Inc.Stock169,534$82.3M3.4%−15,327−8.3%ReducedHistory
GOOGLAlphabet Inc.Stock503,852$76.0M3.2%−4,962−1.0%ReducedHistory
NOWServiceNow, Inc.Stock83,965$64.0M2.7%−2,173−2.5%ReducedHistory
MAMastercard IncStock131,307$63.2M2.6%−1,774−1.3%ReducedHistory
LLYEli Lilly & CoStock77,712$60.5M2.5%−1,030−1.3%ReducedHistory
DXCMDexcom IncCOM432,398$60.0M2.5%−5,749−1.3%ReducedHistory
LRCXLam Research CorpCOM54,202$52.7M2.2%+1,410+2.7%AddedHistory
VVisa Inc.Stock176,589$49.3M2.1%−2,196−1.2%ReducedHistory
ISRGIntuitive Surgical IncCOM NEW111,766$44.6M1.9%+12,622+12.7%AddedHistory
SYKStryker CorpStock120,392$43.1M1.8%−1,553−1.3%ReducedHistory
AMATApplied Materials IncStock151,042$31.1M1.3%+27,117+21.9%AddedHistory
iShares MSCI Eafe ETF464287465ETF364,410$29.1M1.2%00.0%Unchanged–
State Street Industrial Select Sector SPDR ETF81369Y704ETF223,500$28.2M1.2%00.0%Unchanged–
State Street SPDR S&P Homebuilders ETF78464A888ETF243,180$27.1M1.1%00.0%Unchanged–
iShares Tr464287630RUS 2000 VAL ETF163,710$26.0M1.1%00.0%Unchanged–
UNPUnion Pacific CorpStock98,769$24.3M1.0%+24,715+33.4%AddedHistory
ASMLASML Holding NVADR24,674$23.9M1.0%−320−1.3%ReducedHistory
VLOValero Energy CorpStock129,700$22.1M0.9%+123,330+1,936.1%AddedHistory
LVSLas Vegas Sands CorpCOM422,355$21.8M0.9%−5,723−1.3%ReducedHistory
XOMExxonMobil Holdings CorpCOM178,300$20.7M0.9%+52,100+41.3%AddedHistory
ADBEAdobe Inc.Stock40,594$20.5M0.9%−32,731−44.6%ReducedHistory
SNPSSynopsys IncCOM31,522$18.0M0.7%−420−1.3%ReducedHistory
MSCIMSCI Inc.Stock29,169$16.3M0.7%−390−1.3%ReducedHistory
iShares Inc46434G822MSCI JAPAN ETF222,650$15.9M0.7%00.0%Unchanged–
AXPAmerican Express CoStock67,975$15.5M0.6%+65,300+2,441.1%AddedHistory
DEDeere & CoStock36,780$15.1M0.6%+1,040+2.9%AddedHistory
JPMJPMorgan Chase & CoStock72,365$14.5M0.6%00.0%UnchangedHistory
LULUlululemon athletica inc.Stock34,650$13.5M0.6%−63,543−64.7%ReducedHistory
SMCISuper Micro Computer, Inc.COM12,830$13.0M0.5%−15,110−54.1%ReducedHistory
FTITechnipFMC plcCOM486,430$12.2M0.5%−52,570−9.8%ReducedHistory
ETNEaton Corp plcStock38,245$12.0M0.5%+24,670+181.7%AddedHistory
APGAPi Group CorpCOM STK302,403$11.9M0.5%−40,650−11.8%ReducedHistory
HDHome Depot, Inc.Stock30,650$11.8M0.5%00.0%UnchangedHistory
LENLennar CorpCL A64,870$11.2M0.5%00.0%UnchangedHistory
State Street Health Care Select Sector SPDR ETF81369Y209ETF71,120$10.5M0.4%+71,120New–
SAIASaia IncCOM17,610$10.3M0.4%−2,360−11.8%ReducedHistory
MEDPMedpace Holdings, Inc.COM24,780$10.0M0.4%−3,330−11.8%ReducedHistory
CCitigroup IncStock154,414$9.77M0.4%00.0%UnchangedHistory
PNRPENTAIR plcSHS114,040$9.74M0.4%−15,380−11.9%ReducedHistory
UNHUnitedHealth Group IncStock19,634$9.71M0.4%+2,060+11.7%AddedHistory
XPOXPO, Inc.COM79,004$9.64M0.4%−10,576−11.8%ReducedHistory
State Street SPDR S&P Biotech ETF78464A870ETF100,180$9.51M0.4%+100,180New–
FCFSFirstCash Holdings, Inc.COM73,230$9.34M0.4%+1,070+1.5%AddedHistory
SLBSLB LimitedStock169,010$9.26M0.4%−218,815−56.4%ReducedHistory
GLDSPDR Gold TrustETF44,995$9.26M0.4%00.0%UnchangedHistory
UBERUber Technologies, IncStock117,490$9.05M0.4%+117,490NewHistory
EVREvercore Inc.CLASS A46,930$9.04M0.4%−6,270−11.8%ReducedHistory
JBHTHunt J B Transport Services IncCOM44,890$8.94M0.4%00.0%UnchangedHistory
TJXTJX Companies IncStock87,660$8.89M0.4%00.0%UnchangedHistory
VRNSVaronis Systems IncCOM187,820$8.86M0.4%−25,260−11.9%ReducedHistory
CLSCelestica IncSUB VTG SHS195,350$8.78M0.4%−97,100−33.2%ReducedHistory
Cyberark Software LtdM2682V108SHS31,560$8.38M0.3%+630+2.0%Added–
FTAIFTAI Aviation Ltd.SHS120,220$8.09M0.3%+32,570+37.2%AddedHistory
RACEFerrari N.V.COM18,104$7.89M0.3%+15,064+495.5%AddedHistory
KNFKnife River CorpStock97,250$7.89M0.3%−13,040−11.8%ReducedHistory
APPFAppfolio IncCOM CL A31,870$7.86M0.3%−3,790−10.6%ReducedHistory
LNWOLight & Wonder, Inc.COM76,030$7.76M0.3%−11,790−13.4%ReducedHistory
IBPInstalled Building Products, Inc.COM29,730$7.69M0.3%−7,710−20.6%ReducedHistory
BCOBrinks CoCOM81,470$7.53M0.3%−24,840−23.4%ReducedHistory
iShares MSCI Acwi Ex U.S. ETF464288240ETF139,850$7.47M0.3%00.0%Unchanged–
HQYHealthequity, Inc.COM90,580$7.39M0.3%−12,190−11.9%ReducedHistory
ONTOOnto Innovation Inc.COM40,740$7.38M0.3%−10,050−19.8%ReducedHistory
RDNTRadNet, Inc.COM149,723$7.29M0.3%+149,723NewHistory
TREXTrex Co IncCOM72,820$7.26M0.3%−9,710−11.8%ReducedHistory
FCXFreeport-McMoran IncStock152,830$7.19M0.3%+143,720+1,577.6%AddedHistory
ESIElement Solutions IncCOM286,050$7.15M0.3%+33,590+13.3%AddedHistory
HEESH&E Equipment Services, Inc.COM109,780$7.05M0.3%+109,780NewHistory
KTBKontoor Brands, Inc.Stock116,340$7.01M0.3%−2,430−2.0%ReducedHistory
ASHAshland Inc.COM71,540$6.97M0.3%+71,540NewHistory
FIXComfort Systems USA IncCOM21,710$6.90M0.3%−2,890−11.7%ReducedHistory
GAPGap IncCOM249,996$6.89M0.3%+22,878+10.1%AddedHistory
NTNXNutanix, Inc.Stock111,310$6.87M0.3%−42,150−27.5%ReducedHistory
State Street Financial Select Sector SPDR ETF81369Y605ETF162,290$6.84M0.3%00.0%Unchanged–
NTRANatera, Inc.COM74,630$6.83M0.3%+74,630NewHistory
KDKyndryl Holdings, Inc.Stock312,130$6.79M0.3%+55,750+21.7%AddedHistory
VCELVericel CorpCOM130,250$6.78M0.3%−17,770−12.0%ReducedHistory
TTEKTetra Tech IncCOM36,270$6.70M0.3%−9,720−21.1%ReducedHistory
MODModine Manufacturing CoCOM69,580$6.62M0.3%+3,170+4.8%AddedHistory
CRMSalesforce, Inc.Stock21,929$6.60M0.3%+21,929NewHistory
JLLJones Lang Lasalle IncCOM33,430$6.52M0.3%−440−1.3%ReducedHistory
WIXWix.com Ltd.SHS47,360$6.51M0.3%−6,370−11.9%ReducedHistory
MTSIMACOM Technology Solutions Holdings, Inc.COM67,310$6.44M0.3%−9,040−11.8%ReducedHistory
FLRFluor CorpStock151,060$6.39M0.3%+9,200+6.5%AddedHistory
SKYChampion Homes, Inc.Stock74,880$6.37M0.3%+74,880NewHistory
GWREGuidewire Software, Inc.COM52,700$6.15M0.3%−7,060−11.8%ReducedHistory
EFOREverforth IncCOM58,590$6.14M0.3%+21,110+56.3%AddedHistory
CASYCaseys General Stores IncCOM19,240$6.13M0.3%−2,530−11.6%ReducedHistory
GKOSGLAUKOS CorpCOM64,910$6.12M0.3%−2,650−3.9%ReducedHistory
ETEnergy Transfer LPCOM UT LTD PTN378,840$5.96M0.2%00.0%UnchangedHistory
EXPEagle Materials IncCOM21,860$5.94M0.2%+2,080+10.5%AddedHistory
CMPRCIMPRESS plcSHS EURO66,790$5.91M0.2%−9,720−12.7%ReducedHistory
WEXWEX Inc.COM24,730$5.87M0.2%+6,570+36.2%AddedHistory
CSXCSX CorpStock155,610$5.77M0.2%00.0%UnchangedHistory
NXTNextpower Inc.Stock102,405$5.76M0.2%+102,405NewHistory
MASMasco CorpCOM71,800$5.66M0.2%00.0%UnchangedHistory
PSNParsons CorpCOM68,160$5.65M0.2%−89,360−56.7%ReducedHistory

Sold out since Q4 2023 (41)

Positions held at the end of Q4 2023 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q4 2023
SecurityClassShares in Q4 2023Value in Q4 2023% of portfolio in Q4 2023History
VanEck Semiconductor ETF92189F676ETF90,200$15.8M0.7%–
AMDAdvanced Micro Devices IncStock105,830$15.6M0.7%History
ATIAti IncStock174,540$7.94M0.4%History
AXNXAxonics, Inc.COM113,200$7.04M0.3%History
YELPYelp IncCL A133,110$6.30M0.3%History
FRSHFreshworks Inc.Stock267,200$6.28M0.3%History
Invesco QQQ Trust Series I46090E103ETF15,310$6.27M0.3%–
CWANClearwater Analytics Holdings, Inc.CL A306,540$6.14M0.3%History
OPCHOption Care Health, Inc.COM NEW181,190$6.10M0.3%History
BRBRBellring Brands, Inc.Stock102,850$5.70M0.3%History
ACVAACV Auctions Inc.COM CL A372,068$5.64M0.2%History
BLKBBlackbaud IncCOM61,470$5.33M0.2%History
ROKRockwell Automation, IncStock16,600$5.15M0.2%History
HURNHuron Consulting Group Inc.Stock48,820$5.02M0.2%History
VCYTVeracyte, Inc.COM178,210$4.90M0.2%History
ORCLOracle CorpStock46,040$4.85M0.2%History
CXTCrane NXT, Co.COM82,090$4.67M0.2%History
VCVisteon CorpCOM NEW34,790$4.35M0.2%History
HALOHalozyme Therapeutics, Inc.COM115,894$4.28M0.2%History
GTLSChart Industries IncCOM31,250$4.26M0.2%History
GIIIG III Apparel Group LtdCOM118,510$4.03M0.2%History
HAEHaemonetics CorpCOM46,380$3.97M0.2%History
SPDR Series Trust78468R556SP O&G EXPL PRO28,370$3.88M0.2%–
PHMPultegroup IncCOM37,540$3.87M0.2%History
ETRNMidstream Co LLCCOM351,570$3.58M0.2%History
MMSMaximus, Inc.COM41,500$3.48M0.2%History
CELHCelsius Holdings, Inc.COM NEW59,470$3.24M0.1%History
HESHess CorpStock19,170$2.76M0.1%History
HASHasbro, Inc.COM53,860$2.75M0.1%History
MRCYMercury Systems IncCOM73,820$2.70M0.1%History
HDSNHudson Technologies IncCOM183,779$2.48M0.1%History
EHCEncompass Health CorpCOM26,970$1.80M0.1%History
EVLVEvolv Technologies Holdings, Inc.COM CL A297,258$1.40M0.1%History
VNOMViper Energy, Inc.COM UNT RP INT37,825$1.19M0.1%History
PCORProcore Technologies, Inc.COM15,450$1.07M<0.1%History
DTDynatrace, Inc.Stock13,430$734.5K<0.1%History
BSYBentley Systems IncCOM CL B12,530$653.8K<0.1%History
RYANRyan Specialty Holdings, Inc.CL A14,550$625.9K<0.1%History
BEKEKE Holdings Inc.SPONSORED ADS37,500$607.9K<0.1%History
STESTERIS plcSHS USD2,380$523.2K<0.1%History
JBLJabil IncStock3,200$407.7K<0.1%History