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Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q3 2021

Holdings as of Sep 30, 2021, filed Nov 12, 2021. Long positions only; changes compare share counts with Q2 2021.

Institution overview
Positions
328
−7 vs. Q2 2021
Portfolio value
$2.62B
−$361.6M (−12.1%) vs. Q2 2021
Filed
Nov 12, 2021
SEC
Holdings of Castleark Management LLC in Q3 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
QCOMQualcomm IncStock6,950$896.0K<0.1%00.0%UnchangedHistory
TJXTJX Companies IncStock13,680$903.0K<0.1%00.0%UnchangedHistory
PAGSPagSeguro Digital Ltd.COM CL A17,790$920.0K<0.1%−780−4.2%ReducedHistory
HDBHDFC Bank LtdSPONSORED ADS12,620$922.0K<0.1%00.0%UnchangedHistory
ETRNMidstream Co LLCCOM91,073$923.0K<0.1%00.0%UnchangedHistory
GOOGAlphabet Inc.Stock350$933.0K<0.1%00.0%UnchangedHistory
JBHTHunt J B Transport Services IncCOM5,660$946.0K<0.1%00.0%UnchangedHistory
TEAMAtlassian CorpCL A2,435$953.0K<0.1%−160−6.2%ReducedHistory
OKEONEOK IncCOM19,005$1.10M<0.1%+3,920+26.0%AddedHistory
ALLEAllegion plcORD SHS8,485$1.12M<0.1%−5,270−38.3%ReducedHistory
SEDGSolaredge Technologies, Inc.COM4,275$1.13M<0.1%+2,935+219.0%AddedHistory
HELEHelen of Troy LtdStock5,110$1.15M<0.1%+5,110NewHistory
SIBNSI-BONE, Inc.COM54,227$1.16M<0.1%−167,058−75.5%ReducedHistory
ESTCElastic N.V.ORD SHS7,845$1.17M<0.1%+380+5.1%AddedHistory
SESea LtdSPONSORD ADS3,705$1.18M<0.1%−670−15.3%ReducedHistory
COSTCostco Wholesale CorpStock2,800$1.26M<0.1%00.0%UnchangedHistory
RTLRRattler Midstream LPCOM UNITS107,570$1.26M<0.1%+7,505+7.5%AddedHistory
CQPCheniere Energy Partners, L.P.COM UNIT32,134$1.31M<0.1%00.0%UnchangedHistory
PLUGPlug Power IncStock53,795$1.37M0.1%+42,485+375.6%AddedHistory
HUBSHubSpot IncCOM2,045$1.38M0.1%−985−32.5%ReducedHistory
GMEDGlobus Medical IncStock18,590$1.42M0.1%+18,590NewHistory
OXYOccidental Petroleum CorpStock48,285$1.43M0.1%−33,265−40.8%ReducedHistory
MDBMongoDB, Inc.CL A3,030$1.43M0.1%+2,100+225.8%AddedHistory
PDCEPDC Energy, Inc.COM30,400$1.44M0.1%+30,400NewHistory
HPHelmerich & Payne, Inc.COM52,800$1.45M0.1%+52,800NewHistory
AMAntero Midstream CorpStock148,710$1.55M0.1%00.0%UnchangedHistory
GELGenesis Energy LPUNIT LTD PARTN164,810$1.64M0.1%00.0%UnchangedHistory
PSXPPhillips 66 Partners LPCOM UNIT REP INT46,387$1.66M0.1%−15,120−24.6%ReducedHistory
ANSSAnsys IncCOM5,160$1.76M0.1%00.0%UnchangedHistory
PWRQuanta Services, Inc.COM15,580$1.77M0.1%+15,580NewHistory
ACMAecomCOM28,380$1.79M0.1%−4,270−13.1%ReducedHistory
iShares Russell Mid-Cap Growth ETF464287481ETF16,000$1.79M0.1%00.0%Unchanged–
CVXChevron CorpStock18,080$1.83M0.1%−12,675−41.2%ReducedHistory
MIDDMIDDLEBY CorpCOM10,915$1.86M0.1%+1,655+17.9%AddedHistory
CLRContinental Resources, IncCOM40,670$1.88M0.1%+7,615+23.0%AddedHistory
EOGEOG Resources IncStock23,505$1.89M0.1%−14,295−37.8%ReducedHistory
PXDPioneer Natural Resources CoCOM11,412$1.90M0.1%−19,175−62.7%ReducedHistory
BKRBaker Hughes CoCL A77,200$1.91M0.1%+77,200NewHistory
FANGDiamondback Energy, Inc.Stock20,485$1.94M0.1%−22,235−52.0%ReducedHistory
MROMarathon Oil CorpCOM141,830$1.94M0.1%+70,565+99.0%AddedHistory
TSTenaris SASPONSORED ADS92,000$1.94M0.1%+92,000NewHistory
AEMAgnico Eagle Mines LtdStock37,500$1.94M0.1%00.0%UnchangedHistory
DVNDevon Energy CorpStock55,065$1.96M0.1%−51,735−48.4%ReducedHistory
MGYMagnolia Oil & Gas CorpCL A111,000$1.98M0.1%+111,000NewHistory
MTDRMatador Resources CoCOM53,400$2.03M0.1%+53,400NewHistory
XECCimarex Energy CoCOM23,300$2.03M0.1%+23,300NewHistory
LBRTLiberty Energy Inc.COM CL A170,000$2.06M0.1%+170,000NewHistory
TSMTaiwan Semiconductor Manufacturing Co LtdADR19,110$2.13M0.1%+1,100+6.1%AddedHistory
ILMNIllumina, Inc.COM5,605$2.27M0.1%−65−1.1%ReducedHistory
WYNNWynn Resorts LtdCOM27,400$2.32M0.1%−2,400−8.1%ReducedHistory
MEDMedifast IncCOM12,065$2.32M0.1%−21,915−64.5%ReducedHistory
ENPHEnphase Energy, Inc.Stock15,600$2.34M0.1%+8,465+118.6%AddedHistory
ARAntero Resources CorpCOM127,290$2.39M0.1%+127,290NewHistory
MANHManhattan Associates IncStock15,970$2.44M0.1%−2,440−13.3%ReducedHistory
CTRACoterra Energy Inc.Stock112,500$2.45M0.1%+112,500NewHistory
WKWorkiva IncCOM CL A17,990$2.54M0.1%+17,990NewHistory
DCPDCP Midstream, LPCOM UT LTD PTN89,895$2.54M0.1%+26,295+41.3%AddedHistory
VNOMViper Energy, Inc.COM UNT RP INT120,775$2.64M0.1%00.0%UnchangedHistory
iShares Tr464287630RUS 2000 VAL ETF16,560$2.65M0.1%−150,000−90.1%Reduced–
TRGPTarga Resources Corp.COM54,260$2.67M0.1%−3,120−5.4%ReducedHistory
LKQLKQ CorpCOM53,230$2.68M0.1%−7,920−13.0%ReducedHistory
MMPMagellan Midstream Partners, L.P.COM UNIT RP LP59,188$2.70M0.1%00.0%UnchangedHistory
EQTEQT CorpStock134,220$2.75M0.1%+134,220NewHistory
MPCMarathon Petroleum CorpStock46,939$2.90M0.1%−10,315−18.0%ReducedHistory
SWNSouthwestern Energy CoCOM526,500$2.92M0.1%+526,500NewHistory
AXONAxon Enterprise, Inc.COM16,980$2.97M0.1%−2,540−13.0%ReducedHistory
MANManpowerGroup Inc.COM28,500$3.09M0.1%00.0%UnchangedHistory
RRCRange Resources CorpCOM138,220$3.13M0.1%+138,220NewHistory
FATEFate Therapeutics IncCOM52,908$3.14M0.1%−2,720−4.9%ReducedHistory
APPSDigital Turbine, Inc.COM NEW47,027$3.23M0.1%−138,255−74.6%ReducedHistory
DNLIDenali Therapeutics Inc.COM66,145$3.34M0.1%+37,105+127.8%AddedHistory
BLBlackline, Inc.COM28,770$3.40M0.1%+28,770NewHistory
ICLRIcon PLCCOM13,245$3.47M0.1%−1,180−8.2%ReducedHistory
ENTGEntegris IncCOM27,560$3.47M0.1%−4,160−13.1%ReducedHistory
APTVAptiv PLCSHS24,395$3.63M0.1%+1,370+6.0%AddedHistory
TNDMTandem Diabetes Care IncCOM NEW30,990$3.70M0.1%+30,990NewHistory
BABoeing CoStock17,100$3.76M0.1%00.0%UnchangedHistory
MSMorgan StanleyStock39,200$3.81M0.1%00.0%UnchangedHistory
HZNPHorizon Therapeutics Public Ltd CoSHS35,130$3.85M0.1%−5,280−13.1%ReducedHistory
AXPAmerican Express CoStock22,975$3.85M0.1%00.0%UnchangedHistory
LSCCLattice Semiconductor CorpCOM60,835$3.93M0.2%−3,430−5.3%ReducedHistory
WWEWorld Wrestling Entertainment, LLCCL A71,232$4.01M0.2%−72,230−50.3%ReducedHistory
BILLBILL Holdings, Inc.Stock15,040$4.01M0.2%+15,040NewHistory
AGYSAgilysys IncCOM77,086$4.04M0.2%+5,630+7.9%AddedHistory
PAAPlains All American Pipeline LPUNIT LTD PARTN411,449$4.18M0.2%+67,900+19.8%AddedHistory
LNGCheniere Energy, Inc.COM NEW43,516$4.25M0.2%+28,710+193.9%AddedHistory
JBTMJBT Marel CorpCOM30,560$4.29M0.2%+30,560NewHistory
BLDRBuilders FirstSource, Inc.Stock83,039$4.30M0.2%−134,500−61.8%ReducedHistory
VCYTVeracyte, Inc.COM93,250$4.33M0.2%+93,250NewHistory
STRLSterling Infrastructure, Inc.COM191,669$4.34M0.2%−48,846−20.3%ReducedHistory
EEFTEuronet Worldwide, Inc.COM35,221$4.48M0.2%−55,670−61.2%ReducedHistory
EPDEnterprise Products Partners L.P.Stock207,411$4.49M0.2%−27,315−11.6%ReducedHistory
VSATViasat IncCOM82,220$4.53M0.2%−87,530−51.6%ReducedHistory
State Street SPDR S&P Regional Banking ETF78464A698ETF66,948$4.54M0.2%−266,947−79.9%Reduced–
CDNACareDx, Inc.COM71,720$4.54M0.2%+71,720NewHistory
ARWRArrowhead Pharmaceuticals, Inc.COM73,960$4.62M0.2%−3,740−4.8%ReducedHistory
VYXNCR Voyix CorpCOM119,925$4.65M0.2%−18,560−13.4%ReducedHistory
RDNTRadNet, Inc.COM159,463$4.67M0.2%+42,908+36.8%AddedHistory
KIDSOrthopediatrics CorpCOM71,535$4.69M0.2%+71,535NewHistory
ORGOOrganogenesis Holdings Inc.COM332,297$4.73M0.2%+12,700+4.0%AddedHistory

Sold out since Q2 2021 (51)

Positions held at the end of Q2 2021 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q2 2021
SecurityClassShares in Q2 2021Value in Q2 2021% of portfolio in Q2 2021History
ITRIItron, Inc.COM137,815$13.8M0.5%History
SPRSpirit AeroSystems Holdings, Inc.COM CL A248,855$11.7M0.4%History
BCOBrinks CoCOM141,265$10.9M0.4%History
CNMDCONMED CorpCOM78,442$10.8M0.4%History
BLMNBloomin' Brands, Inc.COM353,135$9.58M0.3%History
RCMR1 RCM Holdco Inc.COM408,879$9.09M0.3%History
TPRTapestry, Inc.COM185,080$8.05M0.3%History
AVYAAvaya Holdings Corp.COM287,874$7.74M0.3%History
NARIInari Medical, Inc.Stock82,190$7.67M0.3%History
DYDycom Industries IncCOM99,873$7.44M0.3%History
PLBYPlayboy, Inc.COM189,810$7.38M0.2%History
KEXKirby CorpCOM115,340$6.99M0.2%History
NGVTIngevity CorpCOM85,280$6.94M0.2%History
UCTTUltra Clean Holdings, Inc.COM128,849$6.92M0.2%History
SLBSLB LimitedStock205,700$6.58M0.2%History
DANDANA IncCOM259,598$6.17M0.2%History
WWWW International, Inc.COM169,155$6.11M0.2%History
INGNInogen IncCOM88,190$5.75M0.2%History
BALYBally's CorpCOM105,910$5.73M0.2%History
CARAvis Budget Group, Inc.COM63,445$4.94M0.2%History
CMCOColumbus McKinnon CorpCOM91,812$4.43M0.1%History
DBIDesigner Brands Inc.CL A258,106$4.27M0.1%History
FLYYSpirit Aviation Holdings, Inc.COM126,455$3.85M0.1%History
PTCPTC Inc.Stock22,325$3.15M0.1%History
GKOSGLAUKOS CorpCOM36,900$3.13M0.1%History
BBIOBridgeBio Pharma, Inc.COM46,457$2.83M0.1%History
CGNXCognex CorpCOM32,290$2.71M0.1%History
AVNTAvient CorpCOM55,181$2.71M0.1%History
FRPTFreshpet, Inc.Stock15,222$2.48M0.1%History
AMBAAmbarella IncSHS23,270$2.48M0.1%History
State Street Energy Select Sector SPDR ETF81369Y506ETF37,350$2.01M0.1%–
HESHess CorpStock22,920$2.00M0.1%History
SUSuncor Energy IncStock78,980$1.89M0.1%History
XOMExxonMobil Holdings CorpCOM29,350$1.85M0.1%History
HALHalliburton CoStock72,500$1.68M0.1%History
PSXPhillips 66Stock15,400$1.32M<0.1%History
Arco Platform LtdG04553106COM CL A41,805$1.28M<0.1%–
APAAPA CorpStock51,270$1.11M<0.1%History
PBRPetrobras - Petroleo Brasileiro SASPONSORED ADR85,237$1.04M<0.1%History
SAFMSanderson Farms IncCOM4,875$916.0K<0.1%History
PTENPatterson Uti Energy IncCOM80,130$796.0K<0.1%History
QTNTQuotient LtdSHS194,600$708.0K<0.1%History
TTETotalEnergies SESPONSORED ADS10,735$486.0K<0.1%History
ASNDAscendis Pharma A/SSPONSORED ADR3,095$407.0K<0.1%History
SMGScotts Miracle-Gro CoStock1,840$353.0K<0.1%History
XPOXPO, Inc.COM2,180$305.0K<0.1%History
MKTXMarketaxess Holdings IncCOM570$264.0K<0.1%History
BPBP PLCADR5,010$132.0K<0.1%History
COUPCoupa Software IncCOM455$119.0K<0.1%History
EATBrinker International, IncStock1,090$67.0K<0.1%History
Royal Dutch Shell PLC780259206SPONS ADR A965$39.0K<0.1%–