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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q2 2023

Holdings as of Jun 30, 2023, filed Aug 16, 2023. Long positions only; changes compare share counts with Q1 2023.

Institution overview
Positions
274
+2 vs. Q1 2023
Portfolio value
$2.21B
+$172.1M (+8.5%) vs. Q1 2023
Filed
Aug 16, 2023
SEC
Holdings of Castleark Management LLC in Q2 2023
SecurityClassSharesValue% of portfolioShare changeActionHistory
RACEFerrari N.V.COM4,620$1.50M0.1%+570+14.1%AddedHistory
COSTCostco Wholesale CorpStock2,800$1.51M0.1%00.0%UnchangedHistory
iShares Russell Mid-Cap Growth ETF464287481ETF16,000$1.55M0.1%00.0%Unchanged–
WCCWesco International IncCOM8,739$1.56M0.1%−44,460−83.6%ReducedHistory
FNFabrinetSHS12,110$1.57M0.1%+12,110NewHistory
PDCEPDC Energy, Inc.COM22,450$1.60M0.1%00.0%UnchangedHistory
IMGNImmunoGen, Inc.COM89,460$1.69M0.1%+89,460NewHistory
VLOValero Energy CorpStock14,480$1.70M0.1%−1,750−10.8%ReducedHistory
LNGCheniere Energy, Inc.COM NEW11,186$1.70M0.1%−1,310−10.5%ReducedHistory
SWNSouthwestern Energy CoCOM287,960$1.73M0.1%00.0%UnchangedHistory
MMPMagellan Midstream Partners, L.P.COM UNIT RP LP30,638$1.91M0.1%−4,630−13.1%ReducedHistory
FANGDiamondback Energy, Inc.Stock14,785$1.94M0.1%+4,130+38.8%AddedHistory
PROPROS Holdings, Inc.COM64,260$1.98M0.1%−670−1.0%ReducedHistory
KNSLKinsale Capital Group, Inc.Stock5,520$2.07M0.1%−3,910−41.5%ReducedHistory
TSMTaiwan Semiconductor Manufacturing Co LtdADR20,530$2.07M0.1%+3,640+21.6%AddedHistory
MDGLMadrigal Pharmaceuticals, Inc.COM9,560$2.21M0.1%+9,560NewHistory
TGTXTG Therapeutics, Inc.COM90,980$2.26M0.1%+90,980NewHistory
EPDEnterprise Products Partners L.P.Stock93,321$2.46M0.1%−30,370−24.6%ReducedHistory
EVLVEvolv Technologies Holdings, Inc.COM CL A414,288$2.49M0.1%+414,288NewHistory
EXPOExponent IncCOM27,220$2.54M0.1%−29,690−52.2%ReducedHistory
NENoble Corp plcORD SHS A63,500$2.62M0.1%00.0%UnchangedHistory
MEDPMedpace Holdings, Inc.COM11,980$2.88M0.1%−110−0.9%ReducedHistory
LGNDLigand Pharmaceuticals IncCOM NEW40,002$2.88M0.1%+40,002NewHistory
WYNNWynn Resorts LtdCOM27,400$2.89M0.1%00.0%UnchangedHistory
ARWRArrowhead Pharmaceuticals, Inc.COM85,690$3.06M0.1%+85,690NewHistory
TMCITreace Medical Concepts, Inc.COM123,780$3.17M0.1%−5,470−4.2%ReducedHistory
RVNCRevance Therapeutics, Inc.COM125,727$3.18M0.1%+23,140+22.6%AddedHistory
ALSNAllison Transmission Holdings IncStock57,630$3.25M0.1%−20,160−25.9%ReducedHistory
CHDNChurchill Downs IncCOM23,430$3.26M0.1%+1,190+5.4%AddedConverted for a 2-for-1 splitHistory
VCYTVeracyte, Inc.COM128,460$3.27M0.1%+17,560+15.8%AddedHistory
GNRCGenerac Holdings Inc.Stock22,280$3.32M0.2%+22,280NewHistory
CIVICivitas Resources, Inc.EQUITY US CM48,230$3.35M0.2%+48,230NewHistory
WESWestern Midstream Partners, LPCOM UNIT LP INT126,800$3.36M0.2%−59,420−31.9%ReducedHistory
BDCBelden Inc.COM35,200$3.37M0.2%−26,610−43.1%ReducedHistory
TXG10x Genomics, Inc.CL A COM61,310$3.42M0.2%+61,310NewHistory
PCVXVaxcyte, Inc.COM69,000$3.45M0.2%+69,000NewHistory
PERIPerion Network Ltd.SHS NEW115,860$3.55M0.2%+115,860NewHistory
XENEXenon Pharmaceuticals Inc.COM94,490$3.64M0.2%+16,750+21.5%AddedHistory
APLSApellis Pharmaceuticals, Inc.COM40,820$3.72M0.2%+40,820NewHistory
DGIIDigi International IncCOM97,110$3.83M0.2%−59,680−38.1%ReducedHistory
SIBNSI-BONE, Inc.COM142,762$3.85M0.2%+142,762NewHistory
CRSRCorsair Gaming, Inc.COM219,020$3.89M0.2%+219,020NewHistory
SHLSShoals Technologies Group, Inc.CL A152,140$3.89M0.2%+147,860+3,454.7%AddedHistory
SWAVShockwave Medical, Inc.COM13,680$3.90M0.2%+13,680NewHistory
MASMasco CorpCOM71,800$4.12M0.2%00.0%UnchangedHistory
ALTRAltair Engineering Inc.COM CL A54,380$4.12M0.2%−490−0.9%ReducedHistory
TENBTenable Holdings, Inc.COM96,710$4.21M0.2%−870−0.9%ReducedHistory
NEONeogenomics IncCOM NEW262,507$4.22M0.2%+29,140+12.5%AddedHistory
WIXWix.com Ltd.SHS54,340$4.25M0.2%−13,180−19.5%ReducedHistory
CXTCrane NXT, Co.COM76,070$4.29M0.2%+76,070NewHistory
SIXSix Flags Entertainment CorpCOM165,500$4.30M0.2%−1,480−0.9%ReducedHistory
HCSGHealthcare Services Group IncCOM289,310$4.32M0.2%+289,310NewHistory
COCOVita Coco Company, Inc.COM161,537$4.34M0.2%+161,537NewHistory
VRNSVaronis Systems IncCOM164,320$4.38M0.2%+164,320NewHistory
ONTOOnto Innovation Inc.COM37,660$4.39M0.2%+37,660NewHistory
MPLXMPLX LPCOM UNIT REP LTD129,642$4.40M0.2%−29,230−18.4%ReducedHistory
TPRTapestry, Inc.COM103,700$4.44M0.2%−25,650−19.8%ReducedHistory
MKSIMKS IncCOM41,530$4.49M0.2%+41,530NewHistory
BCBrunswick CorpCOM53,130$4.60M0.2%+25,470+92.1%AddedHistory
Barrick Gold Corp067901108COM276,340$4.68M0.2%00.0%Unchanged–
XPOXPO, Inc.COM80,470$4.75M0.2%+80,470NewHistory
PAAPlains All American Pipeline LPUNIT LTD PARTN341,009$4.81M0.2%+18,650+5.8%AddedHistory
ETEnergy Transfer LPCOM UT LTD PTN378,840$4.81M0.2%−123,290−24.6%ReducedHistory
CBZCBIZ, Inc.COM90,730$4.83M0.2%−12,240−11.9%ReducedHistory
AVNTAvient CorpCOM118,570$4.85M0.2%−1,070−0.9%ReducedHistory
VCELVericel CorpCOM129,890$4.88M0.2%+129,890NewHistory
ITCIIntra-Cellular Therapies, Inc.COM77,290$4.89M0.2%+53,120+219.8%AddedHistory
COTYCoty Inc.COM CL A399,130$4.91M0.2%−185,390−31.7%ReducedHistory
ARRYArray Technologies, Inc.COM SHS222,460$5.03M0.2%+222,460NewHistory
FNDFloor & Decor Holdings, Inc.CL A48,390$5.03M0.2%+8,980+22.8%AddedHistory
LOPEGrand Canyon Education, Inc.COM49,490$5.11M0.2%−7,980−13.9%ReducedHistory
ACMAecomCOM60,580$5.13M0.2%−490−0.8%ReducedHistory
CHXChampionX CorpCOM168,160$5.22M0.2%−86,160−33.9%ReducedHistory
INDIindie Semiconductor, Inc.CLASS A COM558,670$5.25M0.2%+272,610+95.3%AddedHistory
CSXCSX CorpStock155,610$5.31M0.2%+155,610NewHistory
KBHKB HomeCOM102,640$5.31M0.2%−32,810−24.2%ReducedHistory
WWDWoodward, Inc.COM45,010$5.35M0.2%+45,010NewHistory
KRTXKaruna Therapeutics, Inc.COM24,706$5.36M0.2%−230−0.9%ReducedHistory
ETNEaton Corp plcStock27,150$5.46M0.2%+27,150NewHistory
ROKRockwell Automation, IncStock16,600$5.47M0.2%+16,600NewHistory
ITRIItron, Inc.COM77,430$5.58M0.3%+77,430NewHistory
MGNIMagnite, Inc.COM409,820$5.59M0.3%+132,040+47.5%AddedHistory
BABoeing CoStock26,640$5.63M0.3%+23,240+683.5%AddedHistory
AXONAxon Enterprise, Inc.COM28,990$5.66M0.3%−9,020−23.7%ReducedHistory
KNXKnight-Swift Transportation Holdings Inc.CL A101,980$5.67M0.3%−920−0.9%ReducedHistory
SAIASaia IncCOM16,630$5.69M0.3%−150−0.9%ReducedHistory
STRLSterling Infrastructure, Inc.COM104,264$5.82M0.3%−8,980−7.9%ReducedHistory
TREXTrex Co IncCOM88,830$5.82M0.3%+88,830NewHistory
ACVAACV Auctions Inc.COM CL A343,958$5.94M0.3%+343,958NewHistory
MMSIMerit Medical Systems IncCOM71,390$5.97M0.3%+20,560+40.4%AddedHistory
OIO-I Glass, Inc.COM280,760$5.99M0.3%−2,530−0.9%ReducedHistory
FIXComfort Systems USA IncCOM36,540$6.00M0.3%−310−0.8%ReducedHistory
ACLSAxcelis Technologies IncStock33,030$6.06M0.3%−320−1.0%ReducedHistory
ETRNMidstream Co LLCCOM635,740$6.08M0.3%−462,810−42.1%ReducedHistory
FBINFortune Brands Innovations, Inc.COM84,710$6.09M0.3%+84,710NewHistory
HURNHuron Consulting Group Inc.Stock72,780$6.18M0.3%−420−0.6%ReducedHistory
CRNCCerence Inc.COM211,553$6.18M0.3%+71,580+51.1%AddedHistory
POWIPower Integrations IncCOM65,660$6.22M0.3%+65,660NewHistory
PSNParsons CorpCOM129,760$6.25M0.3%+129,760NewHistory
THCTenet Healthcare CorpCOM NEW77,220$6.28M0.3%+77,220NewHistory

Sold out since Q1 2023 (52)

Positions held at the end of Q1 2023 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q1 2023
SecurityClassShares in Q1 2023Value in Q1 2023% of portfolio in Q1 2023History
ULTAUlta Beauty, Inc.Stock70,580$38.5M1.9%History
PYPLPayPal Holdings, Inc.Stock403,500$30.6M1.5%History
State Street SPDR S&P Regional Banking ETF78464A698ETF325,000$14.3M0.7%–
UNPUnion Pacific CorpStock54,205$10.9M0.5%History
WSCWillScot Holdings CorpCOM CL A174,174$8.17M0.4%History
PLNTPlanet Fitness, Inc.CL A92,850$7.21M0.4%History
PDPagerDuty, Inc.COM192,360$6.73M0.3%History
MASIMasimo CorpCOM35,240$6.50M0.3%History
EXLSExlService Holdings, Inc.COM38,760$6.27M0.3%History
BOXBox IncCL A227,950$6.11M0.3%History
XPOFXponential Fitness, Inc.COM CL A198,469$6.03M0.3%History
FOXFFox Factory Holding CorpCOM49,120$5.96M0.3%History
PIImpinj IncCOM42,665$5.78M0.3%History
MODNModel N, Inc.COM170,397$5.70M0.3%History
AYXAlteryx, Inc.COM CL A96,830$5.70M0.3%History
EVHEvolent Health, Inc.CL A168,180$5.46M0.3%History
BOOTBoot Barn Holdings, Inc.COM68,850$5.28M0.3%History
CERTCertara, Inc.COM214,620$5.17M0.3%History
QRVOQorvo, Inc.Stock50,050$5.08M0.2%History
DOCNDigitalOcean Holdings, Inc.COM127,270$4.99M0.2%History
HLIHoulihan Lokey, Inc.CL A55,450$4.85M0.2%History
OPCHOption Care Health, Inc.COM NEW152,055$4.83M0.2%History
SLABSilicon Laboratories Inc.Stock26,560$4.65M0.2%History
CALYCallaway Golf CoCOM207,870$4.49M0.2%History
DECKDeckers Outdoor CorpCOM9,740$4.38M0.2%History
ZDZiff Davis, Inc.COM53,040$4.14M0.2%History
SUPNSupernus Pharmaceuticals, Inc.COM110,880$4.02M0.2%History
SGISomnigroup International Inc.COM99,090$3.91M0.2%History
VRTVertiv Holdings CoCOM CL A258,350$3.70M0.2%History
SILKSilk Road Medical IncCOM94,470$3.70M0.2%History
QDELQuidelOrtho CorpCOM39,330$3.50M0.2%History
AGYSAgilysys IncCOM41,747$3.44M0.2%History
ANFAbercrombie & Fitch CoCL A123,060$3.41M0.2%History
TEXTerex CorpStock67,070$3.24M0.2%History
DCPDCP Midstream, LPCOM UT LTD PTN67,875$2.83M0.1%History
AMBAAmbarella IncSHS36,340$2.81M0.1%History
ABGAsbury Automotive Group IncCOM12,750$2.68M0.1%History
SYNASYNAPTICS IncStock23,740$2.64M0.1%History
URBNUrban Outfitters IncCOM93,880$2.60M0.1%History
APTVAptiv PLCSHS22,000$2.47M0.1%History
ACMRACM Research, Inc.Stock204,550$2.39M0.1%History
NOVNOV Inc.COM108,890$2.02M0.1%History
TXRHTexas Roadhouse, Inc.COM17,340$1.87M0.1%History
CYTKCytokinetics IncCOM NEW34,625$1.22M0.1%History
HLITHarmonic Inc.COM76,528$1.12M0.1%History
CZRCaesars Entertainment, Inc.COM21,330$1.04M0.1%History
SQMChemical & Mining Co of Chile IncSPON ADR SER B10,580$857.6K<0.1%History
DKDelek US Holdings, Inc.COM35,410$812.7K<0.1%History
PDDPDD Holdings Inc.SPONSORED ADS7,590$576.1K<0.1%History
ALBAlbemarle CorpStock2,410$532.7K<0.1%History
OKTAOkta, Inc.CL A5,960$514.0K<0.1%History
Atlantica Sustainable Infr PG0751N103SHS6,820$201.6K<0.1%–