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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q4 2021

Holdings as of Dec 31, 2021, filed Feb 16, 2022. Long positions only; changes compare share counts with Q3 2021.

Institution overview
Positions
326
−2 vs. Q3 2021
Portfolio value
$2.72B
+$104.7M (+4.0%) vs. Q3 2021
Filed
Feb 16, 2022
SEC
Holdings of Castleark Management LLC in Q4 2021
SecurityClassSharesValue% of portfolioShare changeActionHistory
UAUnder Armour, Inc.CL C1,349$24.0K<0.1%00.0%UnchangedHistory
UAAUnder Armour, Inc.Stock1,340$28.0K<0.1%00.0%UnchangedHistory
WKHSWorkhorse Group Inc.COM NEW7,540$33.0K<0.1%+3,400+82.1%AddedHistory
FFIVF5, Inc.Stock140$34.0K<0.1%00.0%UnchangedHistory
SRCLStericycle IncCOM770$46.0K<0.1%00.0%UnchangedHistory
PAYXPaychex IncStock360$49.0K<0.1%00.0%UnchangedHistory
SEESealed Air CorpCOM720$49.0K<0.1%00.0%UnchangedHistory
MDTMedtronic plcStock480$50.0K<0.1%00.0%UnchangedHistory
PRAAPra Group IncCOM1,150$58.0K<0.1%00.0%UnchangedHistory
RPMRPM International IncCOM580$59.0K<0.1%00.0%UnchangedHistory
LUVSouthwest Airlines CoCOM1,560$67.0K<0.1%00.0%UnchangedHistory
MOG.AMoog Inc.CL A860$70.0K<0.1%00.0%UnchangedHistory
NFENew Fortress Energy Inc.COM CL A2,925$71.0K<0.1%+1,300+80.0%AddedHistory
SYKStryker CorpStock340$91.0K<0.1%00.0%UnchangedHistory
SHLSShoals Technologies Group, Inc.CL A4,280$104.0K<0.1%+1,900+79.8%AddedHistory
INTCIntel CorpStock2,200$113.0K<0.1%00.0%UnchangedHistory
iShares Russell 2000 Growth ETF464287648ETF500$147.0K<0.1%00.0%Unchanged–
VRTXVertex Pharmaceuticals IncStock730$160.0K<0.1%00.0%UnchangedHistory
TTDTrade Desk, Inc.Stock1,800$165.0K<0.1%−1,200−40.0%ReducedHistory
TRMBTrimble Inc.COM2,160$188.0K<0.1%00.0%UnchangedHistory
ITWIllinois Tool Works IncStock770$190.0K<0.1%00.0%UnchangedHistory
RUNSunrun Inc.COM5,610$192.0K<0.1%+2,500+80.4%AddedHistory
CSGPCostar Group, Inc.COM2,550$202.0K<0.1%00.0%UnchangedHistory
OKTAOkta, Inc.CL A925$207.0K<0.1%00.0%UnchangedHistory
FISVFiserv IncStock2,000$208.0K<0.1%00.0%UnchangedHistory
DOCUDocuSign, Inc.Stock1,450$221.0K<0.1%00.0%UnchangedHistory
FASTFastenal CoStock3,460$222.0K<0.1%00.0%UnchangedHistory
PODDInsulet CorpStock915$243.0K<0.1%00.0%UnchangedHistory
NSNuStar Energy L.P.UNIT COM16,220$258.0K<0.1%−5,500−25.3%ReducedHistory
FDXFedEx CorpStock1,000$259.0K<0.1%00.0%UnchangedHistory
First Tr Exchange-Traded FD33736G106GBL WND ENRG ETF14,642$296.0K<0.1%+6,600+82.1%Added–
GNTXGentex CorpCOM8,620$300.0K<0.1%00.0%UnchangedHistory
Atlantica Sustainable Infr PG0751N103SHS8,530$305.0K<0.1%−2,900−25.4%Reduced–
DISWalt Disney CoStock2,000$310.0K<0.1%00.0%UnchangedHistory
CTASCintas CorpStock740$328.0K<0.1%00.0%UnchangedHistory
VEEVVeeva Systems IncStock1,295$331.0K<0.1%00.0%UnchangedHistory
TTWOTake Two Interactive Software IncCOM1,880$334.0K<0.1%00.0%UnchangedHistory
MTCHMatch Group, Inc.COM2,550$337.0K<0.1%00.0%UnchangedHistory
PCARPaccar IncCOM3,850$340.0K<0.1%00.0%UnchangedHistory
DDOGDatadog, Inc.CL A COM1,910$340.0K<0.1%+1,910NewHistory
URIUnited Rentals, Inc.COM1,030$342.0K<0.1%00.0%UnchangedHistory
LBRTLiberty Energy Inc.COM CL A36,990$359.0K<0.1%−133,010−78.2%ReducedHistory
RIORio Tinto PLCADR5,570$373.0K<0.1%+2,500+81.4%AddedHistory
BLDPBallard Power Systems Inc.COM29,790$374.0K<0.1%+13,400+81.8%AddedHistory
Invesco Exch Traded FD Tr II46138G706SOLAR ETF4,920$379.0K<0.1%+2,200+80.9%Added–
XIFRXPLR Infrastructure, LPCOM UNIT PART IN4,510$381.0K<0.1%−1,500−25.0%ReducedHistory
PFEPfizer IncStock6,500$384.0K<0.1%00.0%UnchangedHistory
CMGChipotle Mexican Grill IncCOM220$385.0K<0.1%00.0%UnchangedHistory
ENBEnbridge IncStock9,890$387.0K<0.1%−3,400−25.6%ReducedHistory
NDSNNordson CorpCOM1,520$388.0K<0.1%00.0%UnchangedHistory
RGENRepligen CorpCOM1,470$389.0K<0.1%00.0%UnchangedHistory
BHPBHP Group LtdADR6,480$391.0K<0.1%+2,900+81.0%AddedHistory
TRUTransUnionCOM3,320$394.0K<0.1%00.0%UnchangedHistory
PANWPalo Alto Networks IncStock720$401.0K<0.1%−340−32.1%ReducedHistory
KOCoca Cola CoStock6,820$404.0K<0.1%00.0%UnchangedHistory
TSCOTractor Supply CoCOM1,735$414.0K<0.1%00.0%UnchangedHistory
ISRGIntuitive Surgical IncCOM NEW1,200$431.0K<0.1%00.0%UnchangedConverted for a 3-for-1 splitHistory
HESMHess Midstream LPCL A SHS15,745$435.0K<0.1%−5,300−25.2%ReducedHistory
PAYCPaycom Software, Inc.Stock1,080$448.0K<0.1%00.0%UnchangedHistory
IDXXIDEXX Laboratories IncCOM705$464.0K<0.1%00.0%UnchangedHistory
BWABorgwarner IncCOM10,340$466.0K<0.1%00.0%UnchangedHistory
GXOGXO Logistics, Inc.Stock5,250$477.0K<0.1%00.0%UnchangedHistory
TDGTransDigm Group INCCOM770$490.0K<0.1%00.0%UnchangedHistory
TTTrane Technologies plcSHS2,445$494.0K<0.1%00.0%UnchangedHistory
ROKRockwell Automation, IncStock1,420$495.0K<0.1%00.0%UnchangedHistory
METAMeta Platforms, Inc.Stock1,500$505.0K<0.1%−195,065−99.2%ReducedHistory
ALGNAlign Technology IncCOM780$513.0K<0.1%00.0%UnchangedHistory
PAGSPagSeguro Digital Ltd.COM CL A19,590$514.0K<0.1%+1,800+10.1%AddedHistory
SIVBSVB Financial GroupCOM760$515.0K<0.1%00.0%UnchangedHistory
SBUXStarbucks CorpStock4,620$540.0K<0.1%00.0%UnchangedHistory
DARDarling Ingredients Inc.COM8,700$603.0K<0.1%+3,900+81.3%AddedHistory
PGProcter & Gamble CoStock3,800$622.0K<0.1%00.0%UnchangedHistory
GILDGilead Sciences, Inc.Stock8,850$643.0K<0.1%00.0%UnchangedHistory
GDSGDS Holdings LtdSPONSORED ADS13,630$643.0K<0.1%00.0%UnchangedHistory
BIDUBaidu, Inc.ADR4,340$646.0K<0.1%00.0%UnchangedHistory
TERTeradyne, IncStock3,975$650.0K<0.1%00.0%UnchangedHistory
WMBWilliams Companies, Inc.COM25,510$664.0K<0.1%−8,700−25.4%ReducedHistory
ZBRAZebra Technologies CorpCL A1,125$670.0K<0.1%00.0%UnchangedHistory
ALBAlbemarle CorpStock2,920$683.0K<0.1%+1,300+80.2%AddedHistory
SEDGSolaredge Technologies, Inc.COM2,440$685.0K<0.1%−1,835−42.9%ReducedHistory
KEYSKeysight Technologies, Inc.Stock3,350$692.0K<0.1%00.0%UnchangedHistory
GTESGates Industrial Corp Ltd.ORD SHS44,105$702.0K<0.1%00.0%UnchangedHistory
ETRNMidstream Co LLCCOM67,973$703.0K<0.1%−23,100−25.4%ReducedHistory
CLVTClarivate PLCORD SHS30,150$709.0K<0.1%00.0%UnchangedHistory
VLOValero Energy CorpStock9,560$718.0K<0.1%−3,000−23.9%ReducedHistory
DAVAEndava plcADS4,320$725.0K<0.1%+4,320NewHistory
CATCaterpillar IncStock3,540$732.0K<0.1%+1,600+82.5%AddedHistory
TEAMAtlassian CorpCL A1,955$745.0K<0.1%−480−19.7%ReducedHistory
CMICummins IncStock3,460$755.0K<0.1%+1,400+68.0%AddedHistory
CMECME Group Inc.COM3,400$777.0K<0.1%00.0%UnchangedHistory
KLACKLA CorpCOM NEW1,825$785.0K<0.1%00.0%UnchangedHistory
RACEFerrari N.V.COM3,050$789.0K<0.1%00.0%UnchangedHistory
HDBHDFC Bank LtdSPONSORED ADS12,620$821.0K<0.1%00.0%UnchangedHistory
OKEONEOK IncCOM14,205$835.0K<0.1%−4,800−25.3%ReducedHistory
STESTERIS plcSHS USD3,580$871.0K<0.1%−160−4.3%ReducedHistory
RTLRRattler Midstream LPCOM UNITS80,270$913.0K<0.1%−27,300−25.4%ReducedHistory
SESea LtdSPONSORD ADS4,105$918.0K<0.1%+400+10.8%AddedHistory
LECOLincoln Electric Holdings IncCOM6,700$934.0K<0.1%00.0%UnchangedHistory
NEENextera Energy IncStock10,240$956.0K<0.1%+4,600+81.6%AddedHistory
ONOn Semiconductor CorpStock14,170$962.0K<0.1%−1,970−12.2%ReducedHistory

Sold out since Q3 2021 (49)

Positions held at the end of Q3 2021 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q3 2021
SecurityClassShares in Q3 2021Value in Q3 2021% of portfolio in Q3 2021History
HCAHCA Healthcare, Inc.COM130,885$31.8M1.2%History
iShares Inc464286608MSCI EURZONE ETF309,000$14.9M0.6%–
SPDR Series Trust78468R556SP O&G EXPL PRO129,000$12.5M0.5%–
CVLTCommvault Systems IncCOM133,375$10.0M0.4%History
CRNCCerence Inc.COM103,046$9.90M0.4%History
CSTLCastle Biosciences IncCOM147,867$9.83M0.4%History
MYGNMyriad Genetics IncCOM292,850$9.46M0.4%History
PARPar Technology CorpCOM150,484$9.26M0.4%History
HALOHalozyme Therapeutics, Inc.COM219,787$8.94M0.3%History
ROGRogers CorpCOM45,015$8.39M0.3%History
SKXSkechers USA IncCL A182,290$7.68M0.3%History
VCELVericel CorpCOM153,160$7.47M0.3%History
SONOSonos IncCOM222,200$7.19M0.3%History
PLANAnaplan, Inc.COM101,660$6.19M0.2%History
SWTXSpringWorks Therapeutics, Inc.COM89,086$5.65M0.2%History
ENOVEnovis CORPCOM118,259$5.43M0.2%History
Vonage Holdings Corp92886T201COM329,720$5.32M0.2%–
TXNTexas Instruments IncStock27,150$5.22M0.2%History
ATECAlphatec Holdings, Inc.COM NEW411,475$5.02M0.2%History
ORGOOrganogenesis Holdings Inc.COM332,297$4.73M0.2%History
RDNTRadNet, Inc.COM159,463$4.67M0.2%History
VYXNCR Voyix CorpCOM119,925$4.65M0.2%History
CDNACareDx, Inc.COM71,720$4.54M0.2%History
State Street SPDR S&P Regional Banking ETF78464A698ETF66,948$4.54M0.2%–
VSATViasat IncCOM82,220$4.53M0.2%History
EEFTEuronet Worldwide, Inc.COM35,221$4.48M0.2%History
VCYTVeracyte, Inc.COM93,250$4.33M0.2%History
AGYSAgilysys IncCOM77,086$4.04M0.2%History
WWEWorld Wrestling Entertainment, LLCCL A71,232$4.01M0.2%History
DNLIDenali Therapeutics Inc.COM66,145$3.34M0.1%History
APPSDigital Turbine, Inc.COM NEW47,027$3.23M0.1%History
FATEFate Therapeutics IncCOM52,908$3.14M0.1%History
MANManpowerGroup Inc.COM28,500$3.09M0.1%History
AXONAxon Enterprise, Inc.COM16,980$2.97M0.1%History
MEDMedifast IncCOM12,065$2.32M0.1%History
XECCimarex Energy CoCOM23,300$2.03M0.1%History
GMEDGlobus Medical IncStock18,590$1.42M0.1%History
HUBSHubSpot IncCOM2,045$1.38M0.1%History
SIBNSI-BONE, Inc.COM54,227$1.16M<0.1%History
ALLEAllegion plcORD SHS8,485$1.12M<0.1%History
TGTXTG Therapeutics, Inc.COM20,211$673.0K<0.1%History
REGIRenewable Energy Group, Inc.COM NEW3,430$172.0K<0.1%History
CHDChurch & Dwight Co IncCOM1,825$151.0K<0.1%History
CHGGChegg, IncCOM2,155$147.0K<0.1%History
SGENSeagen Inc.COM865$147.0K<0.1%History
NBIXNeurocrine Biosciences IncStock1,405$135.0K<0.1%History
APOApollo Global Management, Inc.COM CL A2,125$131.0K<0.1%History
PTONPeloton Interactive, Inc.CL A COM1,325$115.0K<0.1%History
INCYIncyte CorpCOM1,660$114.0K<0.1%History