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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q2 2025

Holdings as of Jun 30, 2025, filed Aug 18, 2025. Long positions only; changes compare share counts with Q1 2025.

Institution overview
Positions
275
−5 vs. Q1 2025
Portfolio value
$3.33B
+$442.0M (+15.3%) vs. Q1 2025
Filed
Aug 18, 2025
SEC
Holdings of Castleark Management LLC in Q2 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
SEESealed Air CorpCOM720$22.3K<0.1%00.0%UnchangedHistory
FFIVF5, Inc.Stock140$41.2K<0.1%00.0%UnchangedHistory
FCXFreeport-McMoran IncStock1,070$46.4K<0.1%−3,480−76.5%ReducedHistory
LUVSouthwest Airlines CoCOM1,560$50.6K<0.1%00.0%UnchangedHistory
PAYXPaychex IncStock360$52.4K<0.1%00.0%UnchangedHistory
RPMRPM International IncCOM580$63.7K<0.1%00.0%UnchangedHistory
PFEPfizer IncStock2,971$72.0K<0.1%00.0%UnchangedHistory
ETNEaton Corp plcStock260$92.8K<0.1%−640−71.1%ReducedHistory
iShares Tr464287234MSCI EMG MKT ETF2,000$96.5K<0.1%−105,715−98.1%Reduced–
CMICummins IncStock300$98.3K<0.1%−940−75.8%ReducedHistory
NRGNRG Energy, Inc.Stock720$115.6K<0.1%+720NewHistory
NEENextera Energy IncStock1,890$131.2K<0.1%+330+21.2%AddedHistory
FTAIFTAI Aviation Ltd.SHS1,156$133.0K<0.1%−23,928−95.4%ReducedHistory
BKVBKV CorpCOM5,540$133.6K<0.1%+5,540NewHistory
SYKStryker CorpStock340$134.5K<0.1%00.0%UnchangedHistory
FLEXFlex Ltd.Stock2,710$135.3K<0.1%+2,710NewHistory
ETREntergy CorpCOM1,630$135.5K<0.1%+1,630NewHistory
NKENIKE, Inc.Stock2,000$142.1K<0.1%00.0%UnchangedHistory
iShares Russell 2000 Growth ETF464287648ETF500$142.9K<0.1%00.0%Unchanged–
MOG.AMoog Inc.CL A860$155.6K<0.1%00.0%UnchangedHistory
TRMBTrimble Inc.COM2,160$164.1K<0.1%00.0%UnchangedHistory
BEBloom Energy CorpCOM CL A7,420$177.5K<0.1%+7,420NewHistory
NFGNational Fuel Gas CoStock2,120$179.6K<0.1%+2,120NewHistory
GNTXGentex CorpCOM8,620$189.6K<0.1%00.0%UnchangedHistory
ITWIllinois Tool Works IncStock770$190.4K<0.1%00.0%UnchangedHistory
First Tr Exchange-Traded FD33736G106GBL WND ENRG ETF10,992$199.4K<0.1%+30+0.3%Added–
FDXFedEx CorpStock1,000$227.3K<0.1%00.0%UnchangedHistory
KOCoca Cola CoStock3,397$240.3K<0.1%00.0%UnchangedHistory
FSLRFirst Solar, Inc.Stock1,490$246.7K<0.1%+1,490NewHistory
CRKComstock Resources IncCOM9,150$253.2K<0.1%+9,150NewHistory
NXTNextpower Inc.Stock4,810$261.5K<0.1%+4,810NewHistory
FASTFastenal CoStock6,920$290.6K<0.1%00.0%UnchangedConverted for a 2-for-1 splitHistory
INSMINSMED IncCOM PAR $.013,140$316.0K<0.1%−50,720−94.2%ReducedHistory
WHDCactus, Inc.CL A7,290$318.7K<0.1%00.0%UnchangedHistory
VRTXVertex Pharmaceuticals IncStock730$325.0K<0.1%−46,309−98.4%ReducedHistory
FISVFiserv IncStock2,000$344.8K<0.1%00.0%UnchangedHistory
EOGEOG Resources IncStock3,000$358.8K<0.1%−11,880−79.8%ReducedHistory
KGSKodiak Gas Services, Inc.COM10,580$362.6K<0.1%00.0%UnchangedHistory
NTNXNutanix, Inc.Stock4,840$370.0K<0.1%00.0%UnchangedHistory
MPCMarathon Petroleum CorpStock2,338$388.4K<0.1%00.0%UnchangedHistory
TOSTToast, Inc.Stock8,790$389.3K<0.1%−4,690−34.8%ReducedHistory
MTDRMatador Resources CoCOM8,350$398.5K<0.1%−19,000−69.5%ReducedHistory
VNOMViper Energy, Inc.COM10,995$419.2K<0.1%−11,560−51.3%ReducedHistory
SBUXStarbucks CorpStock4,620$423.3K<0.1%−229,972−98.0%ReducedHistory
AXONAxon Enterprise, Inc.COM520$430.5K<0.1%−170−24.6%ReducedHistory
CQPCheniere Energy Partners, L.P.COM UNIT8,404$471.0K<0.1%−5,040−37.5%ReducedHistory
VLOValero Energy CorpStock3,560$478.5K<0.1%−5,850−62.2%ReducedHistory
CASYCaseys General Stores IncCOM1,010$515.4K<0.1%−750−42.6%ReducedHistory
PNRPENTAIR plcSHS5,300$544.1K<0.1%+5,300NewHistory
PCARPaccar IncCOM5,774$548.9K<0.1%00.0%UnchangedHistory
PRMBPrimo Brands CorpCLASS A COM SHS19,600$580.6K<0.1%+13,380+215.1%AddedHistory
GILDGilead Sciences, Inc.Stock5,332$591.2K<0.1%00.0%UnchangedHistory
MTZMastec IncCOM3,540$603.3K<0.1%−4,300−54.8%ReducedHistory
PGProcter & Gamble CoStock3,800$605.4K<0.1%00.0%UnchangedHistory
GWREGuidewire Software, Inc.COM2,670$628.7K<0.1%−150−5.3%ReducedHistory
KNTKKinetik Holdings Inc.COM NEW CL A14,710$648.0K<0.1%00.0%UnchangedHistory
CTASCintas CorpStock2,960$659.7K<0.1%00.0%UnchangedHistory
BABoeing CoStock3,400$712.4K<0.1%00.0%UnchangedHistory
ZETAZeta Global Holdings Corp.CL A51,080$791.2K<0.1%+51,080NewHistory
JBHTHunt J B Transport Services IncCOM5,660$812.8K<0.1%00.0%UnchangedHistory
HDHome Depot, Inc.Stock2,300$843.3K<0.1%00.0%UnchangedHistory
AXPAmerican Express CoStock2,675$853.3K<0.1%00.0%UnchangedHistory
TSLATesla, Inc.Stock2,800$889.4K<0.1%00.0%UnchangedHistory
CMECME Group Inc.COM3,400$937.1K<0.1%00.0%UnchangedHistory
NEXTNextDecade CorpCOM106,250$946.7K<0.1%+52,810+98.8%AddedHistory
GLNGGolar LNG LtdSHS23,450$965.9K<0.1%00.0%UnchangedHistory
OXYOccidental Petroleum CorpStock23,105$970.6K<0.1%00.0%UnchangedHistory
AMAntero Midstream CorpStock52,160$988.4K<0.1%00.0%UnchangedHistory
CPRXCatalyst Pharmaceuticals, Inc.COM48,520$1.05M<0.1%−123,370−71.8%ReducedHistory
HOODRobinhood Markets, Inc.Stock11,540$1.08M<0.1%−5,120−30.7%ReducedHistory
QCOMQualcomm IncStock6,950$1.11M<0.1%00.0%UnchangedHistory
CLBTCellebrite DI Ltd.ORDINARY SHARES71,920$1.15M<0.1%00.0%UnchangedHistory
TDGTransDigm Group INCCOM770$1.17M<0.1%00.0%UnchangedHistory
GELGenesis Energy LPUNIT LTD PARTN70,540$1.22M<0.1%−23,230−24.8%ReducedHistory
GOOGAlphabet Inc.Stock7,000$1.24M<0.1%00.0%UnchangedHistory
TRPTC Energy CorpCOM25,550$1.25M<0.1%00.0%UnchangedHistory
AROCArchrock, Inc.COM50,690$1.26M<0.1%00.0%UnchangedHistory
PAAPlains All American Pipeline LPUNIT LTD PARTN70,459$1.29M<0.1%−30,140−30.0%ReducedHistory
DTMDT Midstream, Inc.COMMON STOCK12,370$1.36M<0.1%+7,850+173.7%AddedHistory
HESMHess Midstream LPCL A SHS35,995$1.39M<0.1%−7,970−18.1%ReducedHistory
LECOLincoln Electric Holdings IncCOM6,700$1.39M<0.1%00.0%UnchangedHistory
ANSSAnsys IncCOM4,040$1.42M<0.1%00.0%UnchangedHistory
SUNSunoco LPCOM UT REP LP27,840$1.49M<0.1%00.0%UnchangedHistory
HDBHDFC Bank LtdSPONSORED ADS20,630$1.58M<0.1%−9,500−31.5%ReducedHistory
FANGDiamondback Energy, Inc.Stock11,855$1.63M<0.1%−240−2.0%ReducedHistory
DKSDick's Sporting Goods, Inc.Stock8,440$1.67M0.1%00.0%UnchangedHistory
IONQIonQ, Inc.COM38,940$1.67M0.1%+38,940NewHistory
MGYMagnolia Oil & Gas CorpCL A74,790$1.68M0.1%−9,040−10.8%ReducedHistory
CAMTCamtek LtdORD20,950$1.77M0.1%+4,670+28.7%AddedHistory
RSIRush Street Interactive, Inc.COM129,950$1.94M0.1%−50,110−27.8%ReducedHistory
BKRBaker Hughes CoCL A53,080$2.04M0.1%+15,150+39.9%AddedHistory
OKEONEOK IncCOM25,738$2.10M0.1%−7,250−22.0%ReducedHistory
UPSTUpstart Holdings, Inc.COM33,200$2.15M0.1%+33,200NewHistory
TLNTalen Energy CorpCOM7,410$2.15M0.1%−1,510−16.9%ReducedHistory
SEISolaris Energy Infrastructure, Inc.COM CL A77,030$2.18M0.1%+60+0.1%AddedHistory
iShares Russell Mid-Cap Growth ETF464287481ETF16,000$2.22M0.1%00.0%Unchanged–
PWRQuanta Services, Inc.COM5,910$2.23M0.1%−40−0.7%ReducedHistory
JLLJones Lang Lasalle IncCOM8,890$2.27M0.1%−26,550−74.9%ReducedHistory
EMEEMCOR Group, Inc.Stock4,300$2.30M0.1%+4,300NewHistory
LRNStride, Inc.COM16,740$2.43M0.1%−25,690−60.5%ReducedHistory

Sold out since Q1 2025 (72)

Positions held at the end of Q1 2025 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q1 2025
SecurityClassShares in Q1 2025Value in Q1 2025% of portfolio in Q1 2025History
Invesco QQQ Trust Series I46090E103ETF66,630$31.2M1.1%–
ACNAccenture plcStock59,394$18.5M0.6%History
DOCUDocuSign, Inc.Stock198,840$16.2M0.6%History
State Street Communication Services Select Sector SPDR ETF81369Y852ETF134,870$13.0M0.5%–
State Street Health Care Select Sector SPDR ETF81369Y209ETF71,120$10.4M0.4%–
MWAMueller Water Products, Inc.COM SER A377,960$9.61M0.3%History
ADMAAdma Biologics, Inc.COM456,266$9.05M0.3%History
AVGOBroadcom Inc.Stock52,010$8.71M0.3%History
COFCapital One Financial CorpStock45,730$8.20M0.3%History
KNFKnife River CorpStock90,050$8.12M0.3%History
iShares Iboxx $ Investment Grade Corporate Bond ETF464287242ETF71,170$7.74M0.3%–
CRMSalesforce, Inc.Stock28,710$7.70M0.3%History
iShares Inc46434G822MSCI JAPAN ETF112,080$7.68M0.3%–
LGNDLigand Pharmaceuticals IncCOM NEW66,463$6.99M0.2%History
TTDTrade Desk, Inc.Stock123,304$6.75M0.2%History
State Street Real Estate Select Sector SPDR ETF81369Y860ETF160,370$6.71M0.2%–
SKYChampion Homes, Inc.Stock69,750$6.61M0.2%History
BSXBoston Scientific CorpStock64,870$6.54M0.2%History
State Street Financial Select Sector SPDR ETF81369Y605ETF131,130$6.53M0.2%–
IMAXImax CorpCOM244,421$6.44M0.2%History
GMEDGlobus Medical IncStock83,220$6.09M0.2%History
WHWyndham Hotels & Resorts, Inc.COM66,560$6.02M0.2%History
GGenpact LTDSHS115,980$5.84M0.2%History
VCYTVeracyte, Inc.COM195,010$5.78M0.2%History
HURNHuron Consulting Group Inc.Stock38,730$5.56M0.2%History
iShares Tr464288760US AER DEF ETF35,260$5.40M0.2%–
RUSHARush Enterprises IncCL A98,840$5.28M0.2%History
MEDPMedpace Holdings, Inc.COM17,100$5.21M0.2%History
CWANClearwater Analytics Holdings, Inc.CL A186,000$4.98M0.2%History
BACBank of America CorpStock118,230$4.93M0.2%History
TPRTapestry, Inc.COM70,070$4.93M0.2%History
ENSGEnsign Group, IncCOM37,600$4.87M0.2%History
KRYSKrystal Biotech, Inc.COM26,120$4.71M0.2%History
SHAKShake Shack Inc.CL A52,630$4.64M0.2%History
PHRPhreesia, Inc.COM168,720$4.31M0.1%History
WGSGeneDx Holdings Corp.COM CL A47,810$4.23M0.1%History
BCOBrinks CoCOM48,920$4.21M0.1%History
MATMattel IncCOM216,430$4.21M0.1%History
LFUSLittelfuse IncCOM20,080$3.95M0.1%History
TARSTarsus Pharmaceuticals, Inc.COM74,920$3.85M0.1%History
WRBYWarby Parker Inc.CL A COM201,080$3.67M0.1%History
LNTHLantheus Holdings, Inc.Stock37,500$3.66M0.1%History
MDGLMadrigal Pharmaceuticals, Inc.COM10,580$3.50M0.1%History
CMGChipotle Mexican Grill IncCOM62,760$3.15M0.1%History
State Street SPDR S&P Regional Banking ETF78464A698ETF54,530$3.10M0.1%–
VCELVericel CorpCOM67,180$3.00M0.1%History
GDYNGrid Dynamics Holdings, Inc.CL A185,240$2.90M0.1%History
DOCNDigitalOcean Holdings, Inc.COM85,340$2.85M0.1%History
KTBKontoor Brands, Inc.Stock43,120$2.77M0.1%History
CVCOCavco Industries, Inc.COM5,000$2.60M0.1%History
TPLTexas Pacific Land CorpStock1,910$2.53M0.1%History
CPRICapri Holdings LtdSHS126,080$2.49M0.1%History
PRIMPrimoris Services CorpStock41,940$2.41M0.1%History
CHDNChurchill Downs IncCOM21,320$2.37M0.1%History
GKOSGLAUKOS CorpCOM21,320$2.10M0.1%History
AIOTPowerfleet, Inc.COM339,920$1.87M0.1%History
HSTMHealthstream IncCOM57,770$1.86M0.1%History
ATIAti IncStock30,700$1.60M0.1%History
Avidity Biosciences, Inc.05370A108COM47,620$1.41M<0.1%–
iShares Russell 1000 Value ETF464287598ETF6,400$1.20M<0.1%–
ESTCElastic N.V.ORD SHS8,380$746.7K<0.1%History
CFLTConfluent, Inc.CLASS A COM16,020$375.5K<0.1%History
SSNCSS&C Technologies Holdings IncCOM3,830$319.9K<0.1%History
PEverpure, Inc.CL A6,620$293.1K<0.1%History
RIORio Tinto PLCADR2,780$167.0K<0.1%History
BHPBHP Group LtdADR3,240$157.3K<0.1%History
DARDarling Ingredients Inc.COM2,170$67.8K<0.1%History
RUNSunrun Inc.COM5,890$34.5K<0.1%History
WDSWoodside Energy Group LtdADR1,171$17.0K<0.1%History
BLDPBallard Power Systems Inc.COM14,890$16.4K<0.1%History
NFENew Fortress Energy Inc.COM CL A1,465$12.2K<0.1%History
SHLSShoals Technologies Group, Inc.CL A2,140$7.11K<0.1%History