Skip to main content
Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q4 2023

Holdings as of Dec 31, 2023, filed Feb 15, 2024. Long positions only; changes compare share counts with Q3 2023.

Institution overview
Positions
281
+7 vs. Q3 2023
Portfolio value
$2.26B
+$293.4M (+15.0%) vs. Q3 2023
Filed
Feb 15, 2024
SEC
Holdings of Castleark Management LLC in Q4 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
MSFTMicrosoft CorpStock411,524$154.7M6.9%+39,584+10.6%AddedHistory
AAPLApple Inc.Stock578,553$111.4M4.9%−15,752−2.7%ReducedHistory
NVDANVIDIA CorpStock192,361$95.3M4.2%−6,477−3.3%ReducedHistory
AMZNAmazon Com IncStock532,785$81.0M3.6%+89,935+20.3%AddedHistory
GOOGLAlphabet Inc.Stock508,814$71.1M3.2%−5,606−1.1%ReducedHistory
METAMeta Platforms, Inc.Stock184,861$65.4M2.9%+19,962+12.1%AddedHistory
NOWServiceNow, Inc.Stock86,138$60.9M2.7%−23,492−21.4%ReducedHistory
MAMastercard IncStock133,081$56.8M2.5%−38,576−22.5%ReducedHistory
DXCMDexcom IncCOM438,147$54.4M2.4%−12,903−2.9%ReducedHistory
LULUlululemon athletica inc.Stock98,193$50.2M2.2%−2,855−2.8%ReducedHistory
VVisa Inc.Stock178,785$46.5M2.1%−4,990−2.7%ReducedHistory
LLYEli Lilly & CoStock78,742$45.9M2.0%−2,343−2.9%ReducedHistory
ADBEAdobe Inc.Stock73,325$43.7M1.9%+18,280+33.2%AddedHistory
LRCXLam Research CorpCOM52,792$41.3M1.8%−703−1.3%ReducedHistory
SYKStryker CorpStock121,945$36.5M1.6%−3,495−2.8%ReducedHistory
ISRGIntuitive Surgical IncCOM NEW99,144$33.4M1.5%−2,836−2.8%ReducedHistory
iShares MSCI Eafe ETF464287465ETF364,410$27.5M1.2%00.0%Unchanged–
State Street Industrial Select Sector SPDR ETF81369Y704ETF223,500$25.5M1.1%−223,510−50.0%Reduced–
iShares Tr464287630RUS 2000 VAL ETF163,710$25.4M1.1%+163,710New–
State Street SPDR S&P Regional Banking ETF78464A698ETF460,510$24.1M1.1%+460,510New–
State Street SPDR S&P Homebuilders ETF78464A888ETF243,180$23.3M1.0%+110,980+83.9%Added–
LVSLas Vegas Sands CorpCOM428,078$21.1M0.9%−455,331−51.5%ReducedHistory
SLBSLB LimitedStock387,825$20.2M0.9%−256,025−39.8%ReducedHistory
AMATApplied Materials IncStock123,925$20.1M0.9%+123,925NewHistory
ASMLASML Holding NVADR24,994$18.9M0.8%−18,316−42.3%ReducedHistory
UNPUnion Pacific CorpStock74,054$18.2M0.8%+74,054NewHistory
MSCIMSCI Inc.Stock29,559$16.7M0.7%−6,906−18.9%ReducedHistory
SNPSSynopsys IncCOM31,942$16.4M0.7%+31,942NewHistory
SPDR Series Trust78464A714ST STR SP RETAIL221,940$16.1M0.7%00.0%Unchanged–
VanEck Semiconductor ETF92189F676ETF90,200$15.8M0.7%+90,200New–
AMDAdvanced Micro Devices IncStock105,830$15.6M0.7%−28,910−21.5%ReducedHistory
DEDeere & CoStock35,740$14.3M0.6%−1,030−2.8%ReducedHistory
iShares Inc46434G822MSCI JAPAN ETF222,650$14.3M0.6%00.0%Unchanged–
XOMExxonMobil Holdings CorpCOM126,200$12.6M0.6%+48,720+62.9%AddedHistory
BABoeing CoStock47,260$12.3M0.5%−6,360−11.9%ReducedHistory
JPMJPMorgan Chase & CoStock72,365$12.3M0.5%+20,635+39.9%AddedHistory
APGAPi Group CorpCOM STK343,053$11.9M0.5%−52,690−13.3%ReducedHistory
FTITechnipFMC plcCOM539,000$10.9M0.5%−74,760−12.2%ReducedHistory
HDHome Depot, Inc.Stock30,650$10.6M0.5%+28,350+1,232.6%AddedHistory
PSNParsons CorpCOM157,520$9.88M0.4%−180−0.1%ReducedHistory
RIORio Tinto PLCADR130,970$9.75M0.4%00.0%UnchangedHistory
LENLennar CorpCL A64,870$9.67M0.4%+64,870NewHistory
VRNSVaronis Systems IncCOM213,080$9.65M0.4%−250−0.1%ReducedHistory
PNRPENTAIR plcSHS129,420$9.41M0.4%+7,640+6.3%AddedHistory
BCOBrinks CoCOM106,310$9.35M0.4%−130−0.1%ReducedHistory
UNHUnitedHealth Group IncStock17,574$9.25M0.4%−506−2.8%ReducedHistory
EVREvercore Inc.CLASS A53,200$9.10M0.4%+4,940+10.2%AddedHistory
JBHTHunt J B Transport Services IncCOM44,890$8.97M0.4%+39,230+693.1%AddedHistory
SAIASaia IncCOM19,970$8.75M0.4%+3,530+21.5%AddedHistory
MEDPMedpace Holdings, Inc.COM28,110$8.62M0.4%+2,330+9.0%AddedHistory
GLDSPDR Gold TrustETF44,995$8.60M0.4%+30,870+218.5%AddedHistory
CLSCelestica IncSUB VTG SHS292,450$8.56M0.4%+17,080+6.2%AddedHistory
TJXTJX Companies IncStock87,660$8.22M0.4%00.0%UnchangedHistory
CCitigroup IncStock154,414$7.94M0.4%+150,570+3,917.0%AddedHistory
SMCISuper Micro Computer, Inc.COM27,940$7.94M0.4%−4,380−13.6%ReducedHistory
ATIAti IncStock174,540$7.94M0.4%−32,160−15.6%ReducedHistory
XPOXPO, Inc.COM89,580$7.85M0.3%+9,960+12.5%AddedHistory
FCFSFirstCash Holdings, Inc.COM72,160$7.82M0.3%+72,160NewHistory
ONTOOnto Innovation Inc.COM50,790$7.77M0.3%−50−0.1%ReducedHistory
TTEKTetra Tech IncCOM45,990$7.68M0.3%−60−0.1%ReducedHistory
RMBSRambus IncCOM110,540$7.54M0.3%−58,220−34.5%ReducedHistory
KTBKontoor Brands, Inc.Stock118,770$7.41M0.3%+34,000+40.1%AddedHistory
NTNXNutanix, Inc.Stock153,460$7.32M0.3%+153,460NewHistory
KNFKnife River CorpStock110,290$7.30M0.3%+110,290NewHistory
LNWOLight & Wonder, Inc.COM87,820$7.21M0.3%+6,410+7.9%AddedHistory
iShares MSCI Acwi Ex U.S. ETF464288240ETF139,850$7.14M0.3%00.0%Unchanged–
MTSIMACOM Technology Solutions Holdings, Inc.COM76,350$7.10M0.3%+35,820+88.4%AddedHistory
AXNXAxonics, Inc.COM113,200$7.04M0.3%+113,200NewHistory
FNFabrinetSHS36,930$7.03M0.3%+6,730+22.3%AddedHistory
IBPInstalled Building Products, Inc.COM37,440$6.84M0.3%−13,010−25.8%ReducedHistory
TREXTrex Co IncCOM82,530$6.83M0.3%−14,860−15.3%ReducedHistory
HQYHealthequity, Inc.COM102,770$6.81M0.3%+32,080+45.4%AddedHistory
Cyberark Software LtdM2682V108SHS30,930$6.78M0.3%+30,930New–
WIXWix.com Ltd.SHS53,730$6.61M0.3%−60−0.1%ReducedHistory
GWREGuidewire Software, Inc.COM59,760$6.52M0.3%+59,760NewHistory
SPTSprout Social, Inc.COM CL A105,420$6.48M0.3%+105,420NewHistory
JLLJones Lang Lasalle IncCOM33,870$6.40M0.3%+4,370+14.8%AddedHistory
AVAVAeroVironment IncCOM50,570$6.37M0.3%+7,200+16.6%AddedHistory
YELPYelp IncCL A133,110$6.30M0.3%−150−0.1%ReducedHistory
MANHManhattan Associates IncStock29,210$6.29M0.3%−18,990−39.4%ReducedHistory
FRSHFreshworks Inc.Stock267,200$6.28M0.3%−320−0.1%ReducedHistory
Invesco QQQ Trust Series I46090E103ETF15,310$6.27M0.3%+15,310New–
APPFAppfolio IncCOM CL A35,660$6.18M0.3%+8,950+33.5%AddedHistory
CWANClearwater Analytics Holdings, Inc.CL A306,540$6.14M0.3%+17,950+6.2%AddedHistory
CMPRCIMPRESS plcSHS EURO76,510$6.12M0.3%00.0%UnchangedHistory
OPCHOption Care Health, Inc.COM NEW181,190$6.10M0.3%−9,070−4.8%ReducedHistory
State Street Financial Select Sector SPDR ETF81369Y605ETF162,290$6.10M0.3%+162,290New–
STRLSterling Infrastructure, Inc.COM69,104$6.08M0.3%−8,580−11.0%ReducedHistory
SUMSummit Materials, Inc.CL A155,826$5.99M0.3%−41,570−21.1%ReducedHistory
CASYCaseys General Stores IncCOM21,770$5.98M0.3%+5,790+36.2%AddedHistory
NENoble Corp plcORD SHS A123,900$5.97M0.3%+38,160+44.5%AddedHistory
ESIElement Solutions IncCOM252,460$5.84M0.3%+179,740+247.2%AddedHistory
CRSCarpenter Technology CorpCOM80,680$5.71M0.3%+9,890+14.0%AddedHistory
BRBRBellring Brands, Inc.Stock102,850$5.70M0.3%−17,020−14.2%ReducedHistory
ACVAACV Auctions Inc.COM CL A372,068$5.64M0.2%+31,800+9.3%AddedHistory
PJTPJT Partners Inc.COM CL A55,166$5.62M0.2%−70−0.1%ReducedHistory
ARAntero Resources CorpCOM246,340$5.59M0.2%+23,860+10.7%AddedHistory
FLRFluor CorpStock141,860$5.56M0.2%+33,430+30.8%AddedHistory
CSXCSX CorpStock155,610$5.39M0.2%00.0%UnchangedHistory
GKOSGLAUKOS CorpCOM67,560$5.37M0.2%−4,760−6.6%ReducedHistory

Sold out since Q3 2023 (41)

Positions held at the end of Q3 2023 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q3 2023
SecurityClassShares in Q3 2023Value in Q3 2023% of portfolio in Q3 2023History
ALGNAlign Technology IncCOM29,300$8.95M0.5%History
MSMorgan StanleyStock105,960$8.65M0.4%History
FLYWFlywire CorpCOM VTG224,690$7.17M0.4%History
DODiamond Offshore Drilling, Inc.COM486,610$7.14M0.4%History
CHXChampionX CorpCOM166,360$5.93M0.3%History
RELYRemitly Global, Inc.COM228,010$5.75M0.3%History
DVDoubleVerify Holdings, Inc.COM193,080$5.40M0.3%History
PENGPenguin Solutions, Inc.SHS214,930$5.23M0.3%History
ZWSZurn Elkay Water Solutions CorpCOM186,738$5.23M0.3%History
COCOVita Coco Company, Inc.COM196,297$5.11M0.3%History
TENBTenable Holdings, Inc.COM112,190$5.03M0.3%History
ALTRAltair Engineering Inc.COM CL A77,950$4.88M0.2%History
ITRIItron, Inc.COM76,610$4.64M0.2%History
ACLSAxcelis Technologies IncStock27,890$4.55M0.2%History
KBRKBR, Inc.COM73,226$4.32M0.2%History
ARRYArray Technologies, Inc.COM SHS194,229$4.31M0.2%History
BYDBoyd Gaming CorpCOM68,910$4.19M0.2%History
AVNTAvient CorpCOM117,260$4.14M0.2%History
RGENRepligen CorpCOM25,360$4.03M0.2%History
ANIPAni Pharmaceuticals IncCOM67,020$3.89M0.2%History
CIVICivitas Resources, Inc.EQUITY US CM47,720$3.86M0.2%History
SGRYSurgery Partners, Inc.Stock116,020$3.39M0.2%History
SIBNSI-BONE, Inc.COM153,042$3.25M0.2%History
FNDFloor & Decor Holdings, Inc.CL A30,260$2.74M0.1%History
ALSNAllison Transmission Holdings IncStock45,570$2.69M0.1%History
WWayfair Inc.CL A43,410$2.63M0.1%History
PBFPBF Energy Inc.CL A49,050$2.63M0.1%History
CVXChevron CorpStock14,062$2.37M0.1%History
IRDMIridium Communications Inc.COM35,540$1.62M0.1%History
THRMGentherm IncCOM27,370$1.49M0.1%History
IMGNImmunoGen, Inc.COM88,490$1.40M0.1%History
PENPenumbra IncCOM4,718$1.14M0.1%History
BIDUBaidu, Inc.ADR4,960$666.4K<0.1%History
WNS Hldgs Ltd92932M101SPON ADR9,360$640.8K<0.1%–
RRXRegal Rexnord CorpCOM3,850$550.1K<0.1%History
TOSTToast, Inc.Stock27,120$508.0K<0.1%History
TERTeradyne, IncStock4,750$477.2K<0.1%History
TECHBIO-TECHNE CorpCOM4,690$319.2K<0.1%History
ENPHEnphase Energy, Inc.Stock1,820$218.7K<0.1%History
SEDGSolaredge Technologies, Inc.COM1,080$139.9K<0.1%History
Invesco Exch Traded FD Tr II46138G706SOLAR ETF2,660$137.8K<0.1%–