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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
GLDSPDR Gold TrustETF8,005$2.44M0.1%−63,890−88.9%ReducedHistory
EPDEnterprise Products Partners L.P.Stock79,461$2.46M0.1%00.0%UnchangedHistory
MCDMcDonalds CorpStock8,630$2.52M0.1%−18,840−68.6%ReducedHistory
HSBCHSBC Holdings PLCSPON ADR NEW42,100$2.56M0.1%−42,100−50.0%ReducedHistory
GEVGE Vernova Inc.Stock4,880$2.58M0.1%+4,880NewHistory
CORTCorcept Therapeutics IncCOM36,940$2.71M0.1%+36,940NewHistory
WESWestern Midstream Partners, LPCOM UNIT LP INT70,260$2.72M0.1%−15,010−17.6%ReducedHistory
HWMHowmet Aerospace Inc.Stock14,610$2.72M0.1%−48,260−76.8%ReducedHistory
AGCOAGCO CorpCOM26,770$2.76M0.1%−790−2.9%ReducedHistory
COSTCostco Wholesale CorpStock2,800$2.77M0.1%00.0%UnchangedHistory
TRGPTarga Resources Corp.COM16,680$2.90M0.1%00.0%UnchangedHistory
SLNOSoleno Therapeutics IncCOM34,840$2.92M0.1%+34,840NewHistory
HIMSHims & Hers Health, Inc.Stock58,590$2.92M0.1%+58,590NewHistory
LMBLimbach Holdings, Inc.COM21,140$2.96M0.1%+21,140NewHistory
EXLSExlService Holdings, Inc.COM68,770$3.01M0.1%−86,810−55.8%ReducedHistory
TGLSTecnoglass Holdings Inc.ORD SHS39,550$3.06M0.1%+39,550NewHistory
BCSBarclays PLCADR165,235$3.07M0.1%−165,235−50.0%ReducedHistory
MPLXMPLX LPCOM UNIT REP LTD60,622$3.12M0.1%−9,510−13.6%ReducedHistory
TOLToll Brothers, Inc.COM27,430$3.13M0.1%+12,140+79.4%AddedHistory
CRDOCredo Technology Group Holding LtdStock34,150$3.16M0.1%−46,860−57.8%ReducedHistory
SGISomnigroup International Inc.COM47,820$3.25M0.1%−1,350−2.7%ReducedHistory
HASHasbro, Inc.COM44,560$3.29M0.1%+44,560NewHistory
BMIBadger Meter IncCOM13,490$3.30M0.1%+13,490NewHistory
PCTYPaylocity Holding CorpCOM18,440$3.34M0.1%−18,210−49.7%ReducedHistory
BBIOBridgeBio Pharma, Inc.COM77,840$3.36M0.1%−29,140−27.2%ReducedHistory
SANBanco Santander, S.A.ADR405,515$3.37M0.1%−405,515−50.0%ReducedHistory
MGNIMagnite, Inc.COM143,150$3.45M0.1%+143,150NewHistory
ARLOArlo Technologies, Inc.COM206,680$3.51M0.1%+206,680NewHistory
ALGMAllegro Microsystems, Inc.COM103,160$3.53M0.1%+103,160NewHistory
WCCWesco International IncCOM19,560$3.62M0.1%−12,770−39.5%ReducedHistory
KMIKinder Morgan, Inc.Stock125,010$3.68M0.1%+18,270+17.1%AddedHistory
BWABorgwarner IncCOM116,560$3.90M0.1%+116,560NewHistory
TEXTerex CorpStock83,780$3.91M0.1%+83,780NewHistory
AXSMAxsome Therapeutics, Inc.COM38,040$3.97M0.1%+19,250+102.4%AddedHistory
AMSCAmerican Superconductor CorpStock109,170$4.01M0.1%+109,170NewHistory
AITApplied Industrial Technologies IncCOM17,240$4.01M0.1%−17,490−50.4%ReducedHistory
GTLSChart Industries IncCOM24,830$4.09M0.1%−12,230−33.0%ReducedHistory
ETEnergy Transfer LPCOM UT LTD PTN238,240$4.32M0.1%−68,560−22.3%ReducedHistory
XMTRXometry, Inc.CLASS A COM128,450$4.34M0.1%+128,450NewHistory
VRNSVaronis Systems IncCOM85,890$4.36M0.1%+85,890NewHistory
CNKCinemark Holdings, Inc.COM147,620$4.46M0.1%+147,620NewHistory
MODModine Manufacturing CoCOM46,340$4.56M0.1%+46,340NewHistory
CRSCarpenter Technology CorpCOM16,700$4.62M0.1%−12,960−43.7%ReducedHistory
ASBAssociated Banc-CorpCOM192,810$4.70M0.1%−5,710−2.9%ReducedHistory
LSCCLattice Semiconductor CorpCOM96,640$4.73M0.1%+45,400+88.6%AddedHistory
OPCHOption Care Health, Inc.COM NEW147,760$4.80M0.1%+87,840+146.6%AddedHistory
MANHManhattan Associates IncStock24,520$4.84M0.1%+24,520NewHistory
QXOQXO, Inc.COM NEW229,150$4.94M0.1%+229,150NewHistory
OIO-I Glass, Inc.COM335,260$4.94M0.1%+335,260NewHistory
MRCYMercury Systems IncCOM92,800$5.00M0.2%+92,800NewHistory
FOURShift4 Payments, Inc.CL A52,880$5.24M0.2%−27,900−34.5%ReducedHistory
QTWOQ2 Holdings, Inc.COM57,070$5.34M0.2%+57,070NewHistory
CELHCelsius Holdings, Inc.COM NEW115,318$5.35M0.2%+69,310+150.6%AddedHistory
ESIElement Solutions IncCOM237,310$5.38M0.2%+136,540+135.5%AddedHistory
ROADConstruction Partners, Inc.COM CL A50,680$5.39M0.2%+50,680NewHistory
PAYPaymentus Holdings, Inc.Stock166,830$5.46M0.2%+25,180+17.8%AddedHistory
RDNTRadNet, Inc.COM96,203$5.47M0.2%+68,050+241.7%AddedHistory
KFYKorn FerryCOM NEW74,760$5.48M0.2%−2,230−2.9%ReducedHistory
LIFLife360, Inc.COM84,570$5.52M0.2%+84,570NewHistory
ALABAstera Labs, Inc.Stock61,530$5.56M0.2%+61,530NewHistory
EQTEQT CorpStock98,375$5.74M0.2%−61,590−38.5%ReducedHistory
ESEEsco Technologies IncCOM30,080$5.77M0.2%+30,080NewHistory
WINGWingstop Inc.COM17,160$5.78M0.2%+17,160NewHistory
VSECVse CorpCOM44,600$5.84M0.2%−1,310−2.9%ReducedHistory
NTRANatera, Inc.COM34,730$5.87M0.2%−8,620−19.9%ReducedHistory
LTHLife Time Group Holdings, Inc.COMMON STOCK193,530$5.87M0.2%−5,730−2.9%ReducedHistory
EYENational Vision Holdings, Inc.COM255,470$5.88M0.2%+255,470NewHistory
LITELumentum Holdings Inc.COM63,370$6.02M0.2%−32,740−34.1%ReducedHistory
HCIHCI Group, Inc.COM39,800$6.06M0.2%+39,800NewHistory
AEISAdvanced Energy Industries IncCOM45,890$6.08M0.2%+45,890NewHistory
XPOXPO, Inc.COM48,204$6.09M0.2%−26,210−35.2%ReducedHistory
AVPTAvePoint, Inc.COM CL A316,020$6.10M0.2%+316,020NewHistory
BKNGBooking Holdings Inc.Stock1,090$6.31M0.2%+1,090NewHistory
PENPenumbra IncCOM24,591$6.31M0.2%+9,346+61.3%AddedHistory
GHGuardant Health, Inc.COM121,560$6.33M0.2%+121,560NewHistory
Spinnaker ETF Series84858T772SELE STO EUR ETF147,000$6.34M0.2%00.0%Unchanged–
CRCrane CoCOMMON STOCK34,390$6.53M0.2%−7,850−18.6%ReducedHistory
FLRFluor CorpStock127,440$6.53M0.2%+127,440NewHistory
KDKyndryl Holdings, Inc.Stock156,170$6.55M0.2%−58,190−27.1%ReducedHistory
Cyberark Software LtdM2682V108SHS16,230$6.60M0.2%−9,190−36.2%Reduced–
STRLSterling Infrastructure, Inc.COM28,740$6.63M0.2%+28,740NewHistory
SIGSignet Jewelers LtdSHS83,540$6.65M0.2%+83,540NewHistory
SITMSITIME CorpCOM31,358$6.68M0.2%+31,358NewHistory
WMBWilliams Companies, Inc.COM106,640$6.70M0.2%+36,530+52.1%AddedHistory
SLABSilicon Laboratories Inc.Stock45,740$6.74M0.2%+45,740NewHistory
CWSTCasella Waste Systems IncCL A58,840$6.79M0.2%−1,930−3.2%ReducedHistory
UTIUniversal Technical Institute IncCOM204,520$6.93M0.2%−34,870−14.6%ReducedHistory
GENIGenius Sports LtdSHARES CL A677,620$7.05M0.2%+36,420+5.7%AddedHistory
TPBTurning Point Brands, Inc.COM94,980$7.20M0.2%+6,300+7.1%AddedHistory
PARPar Technology CorpCOM103,900$7.21M0.2%−16,960−14.0%ReducedHistory
WAYWaystar Holding Corp.COM176,595$7.22M0.2%+24,090+15.8%AddedHistory
iShares Tr464288786U.S. INSRNCE ETF54,070$7.27M0.2%00.0%Unchanged–
IDCCInterDigital, Inc.COM32,460$7.28M0.2%−960−2.9%ReducedHistory
CEGConstellation Energy CorpStock22,740$7.34M0.2%+22,740NewHistory
RMBSRambus IncCOM114,700$7.34M0.2%−3,400−2.9%ReducedHistory
RBCRBC Bearings INCCOM19,140$7.37M0.2%+1,750+10.1%AddedHistory
GEGeneral Electric CoStock28,630$7.37M0.2%−12,120−29.7%ReducedHistory
EVREvercore Inc.CLASS A27,400$7.40M0.2%−12,620−31.5%ReducedHistory
IRTCiRhythm Holdings, Inc.COM48,180$7.42M0.2%−110−0.2%ReducedHistory
PGRProgressive CorpStock27,870$7.44M0.2%00.0%UnchangedHistory

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