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Livermore
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
UAUnder Armour, Inc.CL C1,349$24.0K<0.1%00.0%UnchangedHistory
UAAUnder Armour, Inc.Stock1,340$27.0K<0.1%−297,970−99.6%ReducedHistory
FFIVF5, Inc.Stock140$28.0K<0.1%00.0%UnchangedHistory
WKHSWorkhorse Group Inc.COM NEW4,140$32.0K<0.1%00.0%UnchangedHistory
SEESealed Air CorpCOM720$39.0K<0.1%00.0%UnchangedHistory
PAYXPaychex IncStock360$40.0K<0.1%00.0%UnchangedHistory
RPMRPM International IncCOM580$45.0K<0.1%00.0%UnchangedHistory
NFENew Fortress Energy Inc.COM CL A1,625$45.0K<0.1%00.0%UnchangedHistory
PRAAPra Group IncCOM1,150$48.0K<0.1%00.0%UnchangedHistory
SRCLStericycle IncCOM770$52.0K<0.1%00.0%UnchangedHistory
MDTMedtronic plcStock480$60.0K<0.1%00.0%UnchangedHistory
MOG.AMoog Inc.CL A860$66.0K<0.1%00.0%UnchangedHistory
SHLSShoals Technologies Group, Inc.CL A2,380$66.0K<0.1%00.0%UnchangedHistory
LUVSouthwest Airlines CoCOM1,560$80.0K<0.1%−432,350−99.6%ReducedHistory
SYKStryker CorpStock340$90.0K<0.1%00.0%UnchangedHistory
INCYIncyte CorpCOM1,660$114.0K<0.1%00.0%UnchangedHistory
PTONPeloton Interactive, Inc.CL A COM1,325$115.0K<0.1%00.0%UnchangedHistory
INTCIntel CorpStock2,200$117.0K<0.1%00.0%UnchangedHistory
APOApollo Global Management, Inc.COM CL A2,125$131.0K<0.1%00.0%UnchangedHistory
VRTXVertex Pharmaceuticals IncStock730$132.0K<0.1%00.0%UnchangedHistory
GOOGLAlphabet Inc.Stock50$134.0K<0.1%00.0%UnchangedHistory
NBIXNeurocrine Biosciences IncStock1,405$135.0K<0.1%00.0%UnchangedHistory
RUNSunrun Inc.COM3,110$137.0K<0.1%00.0%UnchangedHistory
iShares Russell 2000 Growth ETF464287648ETF500$147.0K<0.1%00.0%Unchanged–
CHGGChegg, IncCOM2,155$147.0K<0.1%−1,060−33.0%ReducedHistory
SGENSeagen Inc.COM865$147.0K<0.1%00.0%UnchangedHistory
CHDChurch & Dwight Co IncCOM1,825$151.0K<0.1%00.0%UnchangedHistory
ITWIllinois Tool Works IncStock770$159.0K<0.1%00.0%UnchangedHistory
First Tr Exchange-Traded FD33736G106GBL WND ENRG ETF8,042$168.0K<0.1%00.0%Unchanged–
REGIRenewable Energy Group, Inc.COM NEW3,430$172.0K<0.1%00.0%UnchangedHistory
TRMBTrimble Inc.COM2,160$178.0K<0.1%00.0%UnchangedHistory
FASTFastenal CoStock3,460$179.0K<0.1%00.0%UnchangedHistory
BHPBHP Group LtdADR3,580$192.0K<0.1%00.0%UnchangedHistory
RIORio Tinto PLCADR3,070$205.0K<0.1%−1,500−32.8%ReducedHistory
TTDTrade Desk, Inc.Stock3,000$211.0K<0.1%00.0%UnchangedHistory
FISVFiserv IncStock2,000$217.0K<0.1%00.0%UnchangedHistory
Invesco Exch Traded FD Tr II46138G706SOLAR ETF2,720$217.0K<0.1%00.0%Unchanged–
FDXFedEx CorpStock1,000$219.0K<0.1%00.0%UnchangedHistory
CSGPCostar Group, Inc.COM2,550$219.0K<0.1%00.0%UnchangedHistory
OKTAOkta, Inc.CL A925$220.0K<0.1%00.0%UnchangedHistory
BLDPBallard Power Systems Inc.COM16,390$230.0K<0.1%00.0%UnchangedHistory
PODDInsulet CorpStock915$260.0K<0.1%00.0%UnchangedHistory
PFEPfizer IncStock6,500$280.0K<0.1%00.0%UnchangedHistory
CTASCintas CorpStock740$282.0K<0.1%00.0%UnchangedHistory
GNTXGentex CorpCOM8,620$284.0K<0.1%00.0%UnchangedHistory
TTWOTake Two Interactive Software IncCOM1,880$290.0K<0.1%00.0%UnchangedHistory
PCARPaccar IncCOM3,850$304.0K<0.1%00.0%UnchangedHistory
DISWalt Disney CoStock2,000$338.0K<0.1%00.0%UnchangedHistory
NSNuStar Energy L.P.UNIT COM21,720$342.0K<0.1%00.0%UnchangedHistory
DARDarling Ingredients Inc.COM4,800$345.0K<0.1%00.0%UnchangedHistory
TSCOTractor Supply CoCOM1,735$352.0K<0.1%00.0%UnchangedHistory
ALBAlbemarle CorpStock1,620$355.0K<0.1%00.0%UnchangedHistory
FIVNFive9, Inc.COM2,223$355.0K<0.1%−4,395−66.4%ReducedHistory
KOCoca Cola CoStock6,820$358.0K<0.1%00.0%UnchangedHistory
FCXFreeport-McMoran IncStock11,110$361.0K<0.1%−9,220−45.4%ReducedHistory
URIUnited Rentals, Inc.COM1,030$361.0K<0.1%00.0%UnchangedHistory
NDSNNordson CorpCOM1,520$362.0K<0.1%00.0%UnchangedHistory
CATCaterpillar IncStock1,940$372.0K<0.1%00.0%UnchangedHistory
DOCUDocuSign, Inc.Stock1,450$373.0K<0.1%00.0%UnchangedHistory
VEEVVeeva Systems IncStock1,295$373.0K<0.1%00.0%UnchangedHistory
TRUTransUnionCOM3,320$373.0K<0.1%00.0%UnchangedHistory
Atlantica Sustainable Infr PG0751N103SHS11,430$394.0K<0.1%00.0%Unchanged–
ISRGIntuitive Surgical IncCOM NEW400$398.0K<0.1%00.0%UnchangedHistory
CMGChipotle Mexican Grill IncCOM220$400.0K<0.1%00.0%UnchangedHistory
MTCHMatch Group, Inc.COM2,550$400.0K<0.1%+2,550NewHistory
GXOGXO Logistics, Inc.Stock5,250$412.0K<0.1%+5,250NewHistory
ROKRockwell Automation, IncStock1,420$418.0K<0.1%00.0%UnchangedHistory
TTTrane Technologies plcSHS2,445$422.0K<0.1%00.0%UnchangedHistory
RGENRepligen CorpCOM1,470$425.0K<0.1%+720+96.0%AddedHistory
TERTeradyne, IncStock3,975$434.0K<0.1%+1,370+52.6%AddedHistory
IDXXIDEXX Laboratories IncCOM705$438.0K<0.1%00.0%UnchangedHistory
NEENextera Energy IncStock5,640$443.0K<0.1%00.0%UnchangedHistory
BWABorgwarner IncCOM10,340$447.0K<0.1%00.0%UnchangedHistory
XIFRXPLR Infrastructure, LPCOM UNIT PART IN6,010$453.0K<0.1%00.0%UnchangedHistory
CMICummins IncStock2,060$463.0K<0.1%00.0%UnchangedHistory
TDGTransDigm Group INCCOM770$481.0K<0.1%00.0%UnchangedHistory
SIVBSVB Financial GroupCOM760$492.0K<0.1%−210−21.6%ReducedHistory
PANWPalo Alto Networks IncStock1,060$508.0K<0.1%+200+23.3%AddedHistory
SBUXStarbucks CorpStock4,620$510.0K<0.1%00.0%UnchangedHistory
ALGNAlign Technology IncCOM780$519.0K<0.1%00.0%UnchangedHistory
ENBEnbridge IncStock13,290$529.0K<0.1%00.0%UnchangedHistory
PGProcter & Gamble CoStock3,800$531.0K<0.1%00.0%UnchangedHistory
PAYCPaycom Software, Inc.Stock1,080$535.0K<0.1%00.0%UnchangedHistory
KEYSKeysight Technologies, Inc.Stock3,350$550.0K<0.1%00.0%UnchangedHistory
ZBRAZebra Technologies CorpCL A1,125$580.0K<0.1%00.0%UnchangedHistory
HESMHess Midstream LPCL A SHS21,045$594.0K<0.1%00.0%UnchangedHistory
KLACKLA CorpCOM NEW1,825$610.0K<0.1%00.0%UnchangedHistory
GILDGilead Sciences, Inc.Stock8,850$618.0K<0.1%00.0%UnchangedHistory
RACEFerrari N.V.COM3,050$638.0K<0.1%00.0%UnchangedHistory
CMECME Group Inc.COM3,400$657.0K<0.1%00.0%UnchangedHistory
CLVTClarivate PLCORD SHS30,150$660.0K<0.1%00.0%UnchangedHistory
BIDUBaidu, Inc.ADR4,340$667.0K<0.1%+670+18.3%AddedHistory
TGTXTG Therapeutics, Inc.COM20,211$673.0K<0.1%−186,550−90.2%ReducedHistory
GTESGates Industrial Corp Ltd.ORD SHS44,105$718.0K<0.1%+8,245+23.0%AddedHistory
ONOn Semiconductor CorpStock16,140$739.0K<0.1%−49,285−75.3%ReducedHistory
STESTERIS plcSHS USD3,740$764.0K<0.1%00.0%UnchangedHistory
GDSGDS Holdings LtdSPONSORED ADS13,630$772.0K<0.1%+3,790+38.5%AddedHistory
LECOLincoln Electric Holdings IncCOM6,700$863.0K<0.1%00.0%UnchangedHistory
VLOValero Energy CorpStock12,560$886.0K<0.1%−20,395−61.9%ReducedHistory
WMBWilliams Companies, Inc.COM34,210$887.0K<0.1%00.0%UnchangedHistory

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%–