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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q2 2026

Holdings as of Jun 30, 2026, filed Aug 14, 2026. Long positions only; changes compare share counts with Q1 2026.

Institution overview
Positions
309
+17 vs. Q1 2026
Portfolio value
$3.71B
+$687.2M (+22.7%) vs. Q1 2026
Filed
Aug 14, 2026
SEC
Holdings of Castleark Management LLC in Q2 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
DKSDick's Sporting Goods, Inc.Stock8,440$1.91M0.1%00.0%UnchangedHistory
VRNSVaronis Systems IncCOM45,950$1.93M0.1%+45,950NewHistory
VFCV F CorpStock115,750$1.93M0.1%+115,750NewHistory
CVXChevron CorpStock11,850$1.96M0.1%−124,700−91.3%ReducedHistory
RACEFerrari N.V.COM5,310$1.98M0.1%+20+0.4%AddedHistory
FTAIFTAI Aviation Ltd.SHS7,446$2.01M0.1%−380−4.9%ReducedHistory
ACAArcosa, Inc.COM14,090$2.05M0.1%−60,560−81.1%ReducedHistory
NXTNextpower Inc.Stock17,350$2.07M0.1%−96,724−84.8%ReducedHistory
iShares Iboxx $ Investment Grade Corporate Bond ETF464287242ETF19,300$2.11M0.1%+9,240+91.8%Added–
STRLSterling Infrastructure, Inc.COM2,610$2.19M0.1%−18,590−87.7%ReducedHistory
iShares Russell Mid-Cap Growth ETF464287481ETF16,000$2.34M0.1%00.0%Unchanged–
SYRESpyre Therapeutics, Inc.COM NEW26,420$2.35M0.1%+26,420NewHistory
GOOGAlphabet Inc.Stock7,000$2.47M0.1%−22,610−76.4%ReducedHistory
EXTRExtreme Networks IncCOM77,040$2.49M0.1%+77,040NewHistory
iShares Inc464286772MSCI STH KOR ETF12,560$2.54M0.1%+11,720+1,395.2%Added–
OXYOccidental Petroleum CorpStock52,585$2.55M0.1%00.0%UnchangedHistory
COSTCostco Wholesale CorpStock2,800$2.62M0.1%00.0%UnchangedHistory
MDGLMadrigal Pharmaceuticals, Inc.COM5,076$2.73M0.1%−220−4.2%ReducedHistory
ENBEnbridge IncStock50,340$2.73M0.1%00.0%UnchangedHistory
TOLToll Brothers, Inc.COM16,573$2.73M0.1%−34,830−67.8%ReducedHistory
XOMExxonMobil Holdings CorpCOM20,170$2.76M0.1%−44,290−68.7%ReducedHistory
PTCTPTC Therapeutics, Inc.COM33,900$2.77M0.1%−57,980−63.1%ReducedHistory
EPDEnterprise Products Partners L.P.Stock79,461$2.92M0.1%00.0%UnchangedHistory
FTITechnipFMC plcCOM44,676$2.96M0.1%−90,500−66.9%ReducedHistory
OKEONEOK IncCOM34,458$3.00M0.1%00.0%UnchangedHistory
MCHPMicrochip Technology IncStock34,000$3.10M0.1%−170,874−83.4%ReducedHistory
ARQTArcutis Biotherapeutics, Inc.COM137,420$3.60M0.1%−156,040−53.2%ReducedHistory
KMIKinder Morgan, Inc.Stock114,730$3.67M0.1%00.0%UnchangedHistory
DELLDell Technologies Inc.Stock8,540$3.68M0.1%+8,540NewHistory
XENEXenon Pharmaceuticals Inc.COM61,763$3.73M0.1%−2,800−4.3%ReducedHistory
COGTCogent Biosciences, Inc.COM99,870$3.86M0.1%+35,920+56.2%AddedHistory
Invesco QQQ Trust Series I46090E103ETF5,320$3.92M0.1%00.0%Unchanged–
TTANServiceTitan, Inc.SHS CL A55,890$3.95M0.1%+55,890NewHistory
SKYChampion Homes, Inc.Stock45,670$4.02M0.1%+45,670NewHistory
LASRNlight, Inc.COM58,100$4.04M0.1%−31,750−35.3%ReducedHistory
HDHome Depot, Inc.Stock11,590$4.09M0.1%−1,270−9.9%ReducedHistory
VCYTVeracyte, Inc.COM72,016$4.23M0.1%+72,016NewHistory
SPCXSpace Exploration Technologies CorpCLASS A COM STK25,180$4.30M0.1%+25,180NewHistory
QBTSD-Wave Quantum Inc.Stock179,690$4.31M0.1%+179,690NewHistory
BANDBandwidth Inc.COM CL A68,880$4.36M0.1%+68,880NewHistory
ETEnergy Transfer LPCOM UT LTD PTN238,240$4.56M0.1%00.0%UnchangedHistory
IONQIonQ, Inc.COM86,310$4.60M0.1%+86,310NewHistory
TRPTC Energy CorpCOM70,370$4.66M0.1%+5,560+8.6%AddedHistory
GLWCorning IncCOM18,470$4.72M0.1%+18,470NewHistory
AGXArgan IncStock5,960$4.76M0.1%+5,960NewHistory
BCBrunswick CorpCOM56,720$4.78M0.1%−22,390−28.3%ReducedHistory
GENIGenius Sports LtdSHARES CL A806,820$4.89M0.1%+806,820NewHistory
PRPermian Resources CorpCLASS A COM270,950$4.99M0.1%−360,030−57.1%ReducedHistory
GLDSPDR Gold TrustETF13,575$5.00M0.1%−2,660−16.4%ReducedHistory
SJMJ M SMUCKER CoStock45,160$5.08M0.1%−14,420−24.2%ReducedHistory
SXIStandex International CorpCOM14,470$5.18M0.1%+14,470NewHistory
TTMITTM Technologies IncCOM28,090$5.25M0.1%−63,140−69.2%ReducedHistory
AXSMAxsome Therapeutics, Inc.COM22,083$5.41M0.1%−890−3.9%ReducedHistory
DOCNDigitalOcean Holdings, Inc.COM35,537$5.58M0.2%−146,712−80.5%ReducedHistory
EXEExpand Energy CorpCOM61,230$5.58M0.2%00.0%UnchangedHistory
HOODRobinhood Markets, Inc.Stock56,720$5.69M0.2%+6,390+12.7%AddedHistory
MPCMarathon Petroleum CorpStock22,400$5.73M0.2%00.0%UnchangedHistory
COCOVita Coco Company, Inc.COM86,960$5.75M0.2%−10,650−10.9%ReducedHistory
TRGPTarga Resources Corp.COM21,510$5.77M0.2%00.0%UnchangedHistory
iShares Inc464286103MSCI AUST ETF205,060$5.77M0.2%+201,290+5,339.3%Added–
TEXTerex CorpStock79,900$5.78M0.2%+4,610+6.1%AddedHistory
iShares Russell 1000 Value ETF464287598ETF24,040$5.83M0.2%00.0%Unchanged–
BBIOBridgeBio Pharma, Inc.COM78,497$5.85M0.2%−3,240−4.0%ReducedHistory
KRYSKrystal Biotech, Inc.COM16,150$6.00M0.2%−15,480−48.9%ReducedHistory
AEISAdvanced Energy Industries IncCOM16,193$6.04M0.2%−30,430−65.3%ReducedHistory
WHWyndham Hotels & Resorts, Inc.COM72,400$6.10M0.2%−2,800−3.7%ReducedHistory
JHXJames Hardie Industries plcStock233,750$6.12M0.2%+233,750NewHistory
CTRICenturi Holdings, Inc.COM SHS203,830$6.16M0.2%+203,830NewHistory
AAONAaon, Inc.COM PAR $0.00448,720$6.18M0.2%+48,720NewHistory
PTGXProtagonist Therapeutics, IncCOM50,570$6.20M0.2%+50,570NewHistory
QXOQXO, Inc.COM NEW362,257$6.26M0.2%−13,550−3.6%ReducedHistory
RRXRegal Rexnord CorpCOM26,330$6.27M0.2%+6,940+35.8%AddedHistory
LNGCheniere Energy, Inc.COM NEW26,526$6.34M0.2%+2,430+10.1%AddedHistory
APGAPi Group CorpCOM STK152,813$6.47M0.2%−47,450−23.7%ReducedHistory
DGXQuest Diagnostics IncCOM31,480$6.67M0.2%+31,480NewHistory
CAVACava Group, Inc.COM86,440$6.78M0.2%+86,440NewHistory
SFStifel Financial CorpCOM98,210$6.85M0.2%−3,800−3.7%ReducedHistory
MSMMSC Industrial Direct Co IncCL A58,250$6.93M0.2%+58,250NewHistory
HRIHerc Holdings IncCOM48,490$6.95M0.2%+48,490NewHistory
TXRHTexas Roadhouse, Inc.COM36,490$7.05M0.2%−4,920−11.9%ReducedHistory
PLXSPlexus CorpCOM23,750$7.14M0.2%−930−3.8%ReducedHistory
MUSAMurphy USA Inc.COM13,280$7.16M0.2%+2,510+23.3%AddedHistory
PAYPaymentus Holdings, Inc.Stock298,540$7.21M0.2%+27,770+10.3%AddedHistory
ALSNAllison Transmission Holdings IncStock64,910$7.32M0.2%+14,280+28.2%AddedHistory
PLPlanet Labs PBCCOM CL A221,450$7.34M0.2%−64,200−22.5%ReducedHistory
HHyatt Hotels CorpCOM CL A38,080$7.38M0.2%+20,300+114.2%AddedHistory
MODModine Manufacturing CoCOM27,970$7.47M0.2%−9,880−26.1%ReducedHistory
PENNPENN Entertainment, Inc.COM351,920$7.52M0.2%+351,920NewHistory
RRCRange Resources CorpCOM205,260$7.63M0.2%−205,260−50.0%ReducedHistory
MOHMolina Healthcare, Inc.COM33,790$7.73M0.2%+33,790NewHistory
LBRTLiberty Energy Inc.COM CL A296,629$7.77M0.2%+31,840+12.0%AddedHistory
CFCF Industries Holdings, Inc.COM73,610$7.97M0.2%−55,540−43.0%ReducedHistory
BRKRBruker CorpCOM134,270$8.08M0.2%+134,270NewHistory
LINCLincoln Educational Services CorpCOM162,910$8.13M0.2%+12,300+8.2%AddedHistory
FFIVF5, Inc.Stock19,550$8.13M0.2%+19,410+13,864.3%AddedHistory
PRAXPraxis Precision Medicines, Inc.COM NEW24,390$8.17M0.2%+24,390NewHistory
CRLCharles River Laboratories International, Inc.COM36,045$8.17M0.2%−3,390−8.6%ReducedHistory
FASTFastenal CoStock171,420$8.23M0.2%+22,730+15.3%AddedHistory
TGTXTG Therapeutics, Inc.COM150,990$8.30M0.2%+150,990NewHistory
RUSHARush Enterprises IncCL A113,950$8.32M0.2%+113,950NewHistory

Sold out since Q1 2026 (41)

Positions held at the end of Q1 2026 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q1 2026
SecurityClassShares in Q1 2026Value in Q1 2026% of portfolio in Q1 2026History
ULTAUlta Beauty, Inc.Stock50,629$26.5M0.9%History
FIVEFive Below, IncCOM40,110$9.16M0.3%History
TPCTutor Perini CorpCOM116,440$8.99M0.3%History
HASHasbro, Inc.COM94,701$8.86M0.3%History
SPXCSPX Technologies, Inc.COM41,567$8.31M0.3%History
PAHCPhibro Animal Health CorpCL A COM142,900$7.90M0.3%History
KTOSKratos Defense & Security Solutions, Inc.COM NEW109,634$7.73M0.3%History
ADSKAutodesk, Inc.COM31,940$7.65M0.3%History
IPGPIpg Photonics CorpCOM60,456$6.93M0.2%History
PATKPatrick Industries IncCOM62,180$6.91M0.2%History
ATMUAtmus Filtration Technologies Inc.COM119,350$6.78M0.2%History
SSDSimpson Manufacturing Co., Inc.COM38,382$6.59M0.2%History
CHDNChurchill Downs IncCOM67,810$6.09M0.2%History
IDCCInterDigital, Inc.COM19,876$6.00M0.2%History
ONTOOnto Innovation Inc.COM29,030$5.95M0.2%History
FSLYFastly, Inc.CL A177,688$5.16M0.2%History
MEDPMedpace Holdings, Inc.COM10,030$4.82M0.2%History
RYTMRhythm Pharmaceuticals, Inc.COM52,279$4.55M0.2%History
FFord Motor CoStock380,230$4.39M0.1%History
MANHManhattan Associates IncStock30,580$4.07M0.1%History
IQVIQVIA Holdings Inc.Stock22,580$3.85M0.1%History
BELFBBel Fuse IncCL B16,311$3.23M0.1%History
IRTCiRhythm Holdings, Inc.COM27,193$3.21M0.1%History
COINCoinbase Global, Inc.COM CL A17,630$3.08M0.1%History
EYENational Vision Holdings, Inc.COM117,736$3.05M0.1%History
FIGSFIGS, Inc.CL A199,010$2.94M0.1%History
URIUnited Rentals, Inc.COM3,420$2.49M0.1%History
CELHCelsius Holdings, Inc.COM NEW67,902$2.41M0.1%History
CDECoeur Mining, Inc.COM NEW122,890$2.31M0.1%History
AAOIApplied Optoelectronics, Inc.COM25,700$2.17M0.1%History
MRCYMercury Systems IncCOM25,048$1.83M0.1%History
REALTheRealReal, Inc.COM156,760$1.42M<0.1%History
CHRWC. H. Robinson Worldwide, Inc.COM NEW6,600$1.10M<0.1%History
WMSAdvanced Drainage Systems, Inc.COM7,190$986.0K<0.1%History
GWREGuidewire Software, Inc.COM5,180$774.7K<0.1%History
CRKComstock Resources IncCOM33,370$703.4K<0.1%History
LITELumentum Holdings Inc.COM770$541.1K<0.1%History
GELGenesis Energy LPUNIT LTD PARTN29,980$534.5K<0.1%History
RKTRocket Companies, Inc.Stock34,960$498.2K<0.1%History
PRIMPrimoris Services CorpStock1,390$198.8K<0.1%History
SEESealed Air CorpCOM720$30.3K<0.1%History