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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
Advisors Inner Circle FD II00791R608CASTLEARK LARGE8,448,720$348.4M10.5%+53,990+0.6%Added–
NVDANVIDIA CorpStock1,418,598$224.1M6.7%+294,838+26.2%AddedHistory
MSFTMicrosoft CorpStock371,994$185.0M5.6%+96,392+35.0%AddedHistory
AMZNAmazon Com IncStock598,607$131.3M3.9%+28,076+4.9%AddedHistory
METAMeta Platforms, Inc.Stock152,735$112.7M3.4%+9,689+6.8%AddedHistory
NFLXNetflix IncStock64,063$85.8M2.6%−12,007−15.8%ReducedHistory
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF78464A375ETF2,519,370$84.6M2.5%+473,790+23.2%Added–
ANETArista Networks, Inc.Stock822,614$84.2M2.5%+108,824+15.2%AddedHistory
AAPLApple Inc.Stock393,216$80.7M2.4%−210,435−34.9%ReducedHistory
Vanguard Mortgage-Backed Securities ETF92206C771ETF1,705,540$79.0M2.4%+96,460+6.0%Added–
VVisa Inc.Stock216,911$77.0M2.3%+7,718+3.7%AddedHistory
iShares U.S. Treasury Bond ETF46429B267ETF3,258,099$74.9M2.3%−821,720−20.1%Reduced–
MAMastercard IncStock131,034$73.6M2.2%−5,973−4.4%ReducedHistory
GOOGLAlphabet Inc.Stock387,514$68.3M2.1%+21,425+5.9%AddedHistory
NOWServiceNow, Inc.Stock63,338$65.1M2.0%+2,644+4.4%AddedHistory
PMPhilip Morris International Inc.Stock337,749$61.5M1.8%+247,129+272.7%AddedHistory
LRCXLam Research CorpStock522,650$50.9M1.5%+295,712+130.3%AddedHistory
ISRGIntuitive Surgical IncCOM NEW91,699$49.8M1.5%−23,726−20.6%ReducedHistory
SPDR Series Trust78468R101ST SHO TREAS ETF1,334,080$39.1M1.2%+726,290+119.5%Added–
LLYEli Lilly & CoStock46,168$36.0M1.1%−33,524−42.1%ReducedHistory
SNOWSnowflake Inc.Stock153,530$34.4M1.0%+153,530NewHistory
TTTrane Technologies plcSHS78,332$34.3M1.0%+4,344+5.9%AddedHistory
SHOPShopify Inc.Stock293,864$33.9M1.0%+15,948+5.7%AddedHistory
SCHWSchwab Charles CorpStock342,240$31.2M0.9%+332,880+3,556.4%AddedHistory
BXBlackstone Inc.COM207,894$31.1M0.9%−178,772−46.2%ReducedHistory
iShares MSCI Eafe ETF464287465ETF347,580$31.1M0.9%+270,740+352.3%Added–
DXCMDexcom IncCOM311,342$27.2M0.8%+311,342NewHistory
iShares Tr46428865310-20 YR TRS ETF258,432$26.3M0.8%+42,840+19.9%Added–
SPOTSpotify Technology S.A.Stock33,921$26.0M0.8%+33,921NewHistory
iShares Tr464288588MBS ETF196,905$18.5M0.6%00.0%Unchanged–
Vanguard Scottsdale FDS92206C813LG-TERM COR BD236,450$17.9M0.5%+236,450New–
FICOFair Isaac CorpCOM9,000$16.5M0.5%−4,270−32.2%ReducedHistory
LNGCheniere Energy, Inc.COM NEW63,426$15.4M0.5%+46,130+266.7%AddedHistory
PODDInsulet CorpStock47,670$15.0M0.5%+47,670NewHistory
VRNAVerona Pharma plcSPONSORED ADS153,020$14.5M0.4%−33,150−17.8%ReducedHistory
iShares Tr464288638ISHS 5-10YR INVT259,994$13.9M0.4%+225,030+643.6%Added–
TSMTaiwan Semiconductor Manufacturing Co LtdADR55,610$12.6M0.4%−8,420−13.2%ReducedHistory
SPDR Series Trust78464A714ST STR SP RETAIL157,480$12.1M0.4%+157,480New–
CCitigroup IncStock134,184$11.4M0.3%+68,120+103.1%AddedHistory
RCLRoyal Caribbean Cruises LtdCOM35,570$11.1M0.3%+15,850+80.4%AddedHistory
TJXTJX Companies IncStock87,660$10.8M0.3%00.0%UnchangedHistory
MSMorgan StanleyStock76,510$10.8M0.3%+30,610+66.7%AddedHistory
RACEFerrari N.V.COM21,550$10.6M0.3%+924+4.5%AddedHistory
EXEExpand Energy CorpCOM89,240$10.4M0.3%+71,950+416.1%AddedHistory
VSTVistra Corp.Stock52,395$10.2M0.3%−44,580−46.0%ReducedHistory
MCHPMicrochip Technology IncStock141,700$9.97M0.3%+140,980+19,580.6%AddedHistory
JPMJPMorgan Chase & CoStock33,705$9.77M0.3%00.0%UnchangedHistory
ODFLOld Dominion Freight Line, Inc.COM59,570$9.67M0.3%+59,570NewHistory
FNFabrinetSHS31,920$9.41M0.3%+11,330+55.0%AddedHistory
SRADSportradar Group AGCLASS A ORD SHS326,409$9.17M0.3%+69,150+26.9%AddedHistory
TGTXTG Therapeutics, Inc.COM250,430$9.01M0.3%+13,340+5.6%AddedHistory
GTESGates Industrial Corp Ltd.ORD SHS383,470$8.83M0.3%−26,720−6.5%ReducedHistory
SFStifel Financial CorpCOM84,410$8.76M0.3%+9,040+12.0%AddedHistory
PLNTPlanet Fitness, Inc.CL A79,730$8.69M0.3%−2,360−2.9%ReducedHistory
UBERUber Technologies, IncStock92,080$8.59M0.3%+92,080NewHistory
LPLALPL Financial Holdings Inc.COM22,550$8.46M0.3%+2,660+13.4%AddedHistory
AVAVAeroVironment IncCOM29,652$8.45M0.3%+29,652NewHistory
DEDeere & CoStock16,510$8.40M0.3%+16,510NewHistory
WMTWalmart Inc.Stock85,500$8.36M0.3%−18,540−17.8%ReducedHistory
iShares Tr46428743220 YR TR BD ETF94,540$8.34M0.3%−247,120−72.3%Reduced–
ITRIItron, Inc.COM62,330$8.20M0.2%+14,100+29.2%AddedHistory
RRCRange Resources CorpCOM201,730$8.20M0.2%+61,710+44.1%AddedHistory
VMIValmont Industries IncCOM24,870$8.12M0.2%+2,660+12.0%AddedHistory
KTOSKratos Defense & Security Solutions, Inc.COM NEW174,166$8.09M0.2%+44,996+34.8%AddedHistory
CLSCelestica IncStock51,760$8.08M0.2%−18,480−26.3%ReducedHistory
ALKTAlkami Technology, Inc.Stock264,440$7.97M0.2%−7,800−2.9%ReducedHistory
HQYHealthequity, Inc.COM75,730$7.93M0.2%−2,230−2.9%ReducedHistory
LADLithia Motors IncCOM23,150$7.82M0.2%−730−3.1%ReducedHistory
SPXCSPX Technologies, Inc.COM46,610$7.82M0.2%+46,610NewHistory
BROSDutch Bros Inc.CL A114,300$7.81M0.2%−3,390−2.9%ReducedHistory
CORZCore Scientific, Inc.COM448,020$7.65M0.2%+448,020NewHistory
COINCoinbase Global, Inc.COM CL A21,730$7.62M0.2%+21,730NewHistory
APGAPi Group CorpCOM STK148,843$7.60M0.2%−32,440−17.9%ReducedHistory
PEGAPegasystems IncCOM139,952$7.58M0.2%+31,302+28.8%AddedHistory
FTITechnipFMC plcCOM217,165$7.48M0.2%−39,460−15.4%ReducedHistory
PGRProgressive CorpStock27,870$7.44M0.2%00.0%UnchangedHistory
IRTCiRhythm Holdings, Inc.COM48,180$7.42M0.2%−110−0.2%ReducedHistory
EVREvercore Inc.CLASS A27,400$7.40M0.2%−12,620−31.5%ReducedHistory
GEGeneral Electric CoStock28,630$7.37M0.2%−12,120−29.7%ReducedHistory
RBCRBC Bearings INCCOM19,140$7.37M0.2%+1,750+10.1%AddedHistory
RMBSRambus IncCOM114,700$7.34M0.2%−3,400−2.9%ReducedHistory
CEGConstellation Energy CorpStock22,740$7.34M0.2%+22,740NewHistory
IDCCInterDigital, Inc.COM32,460$7.28M0.2%−960−2.9%ReducedHistory
iShares Tr464288786U.S. INSRNCE ETF54,070$7.27M0.2%00.0%Unchanged–
WAYWaystar Holding Corp.COM176,595$7.22M0.2%+24,090+15.8%AddedHistory
PARPar Technology CorpCOM103,900$7.21M0.2%−16,960−14.0%ReducedHistory
TPBTurning Point Brands, Inc.COM94,980$7.20M0.2%+6,300+7.1%AddedHistory
GENIGenius Sports LtdSHARES CL A677,620$7.05M0.2%+36,420+5.7%AddedHistory
UTIUniversal Technical Institute IncCOM204,520$6.93M0.2%−34,870−14.6%ReducedHistory
CWSTCasella Waste Systems IncCL A58,840$6.79M0.2%−1,930−3.2%ReducedHistory
SLABSilicon Laboratories Inc.Stock45,740$6.74M0.2%+45,740NewHistory
WMBWilliams Companies, Inc.COM106,640$6.70M0.2%+36,530+52.1%AddedHistory
SITMSITIME CorpCOM31,358$6.68M0.2%+31,358NewHistory
SIGSignet Jewelers LtdSHS83,540$6.65M0.2%+83,540NewHistory
STRLSterling Infrastructure, Inc.COM28,740$6.63M0.2%+28,740NewHistory
Cyberark Software LtdM2682V108SHS16,230$6.60M0.2%−9,190−36.2%Reduced–
KDKyndryl Holdings, Inc.Stock156,170$6.55M0.2%−58,190−27.1%ReducedHistory
FLRFluor CorpStock127,440$6.53M0.2%+127,440NewHistory
CRCrane CoCOMMON STOCK34,390$6.53M0.2%−7,850−18.6%ReducedHistory
Spinnaker ETF Series84858T772SELE STO EUR ETF147,000$6.34M0.2%00.0%Unchanged–

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