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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q1 2025

Holdings as of Mar 31, 2025, filed May 15, 2025. Long positions only; changes compare share counts with Q4 2024.

Institution overview
Positions
280
−3 vs. Q4 2024
Portfolio value
$2.89B
+$18.3M (+0.6%) vs. Q4 2024
Filed
May 15, 2025
SEC
Holdings of Castleark Management LLC in Q1 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
Advisors Inner Circle FD II00791R608CASTLEARK LARGE8,394,730$294.5M10.2%+8,394,730New–
AAPLApple Inc.Stock603,651$134.1M4.6%−73,778−10.9%ReducedHistory
NVDANVIDIA CorpStock1,123,760$121.8M4.2%+49,722+4.6%AddedHistory
AMZNAmazon Com IncStock570,531$108.5M3.8%+10,336+1.8%AddedHistory
MSFTMicrosoft CorpStock275,602$103.5M3.6%−64,322−18.9%ReducedHistory
iShares U.S. Treasury Bond ETF46429B267ETF4,079,819$93.8M3.2%+2,458,450+151.6%Added–
METAMeta Platforms, Inc.Stock143,046$82.4M2.9%+16,218+12.8%AddedHistory
MAMastercard IncStock137,007$75.1M2.6%+1,738+1.3%AddedHistory
Vanguard Mortgage-Backed Securities ETF92206C771ETF1,609,080$74.5M2.6%00.0%Unchanged–
VVisa Inc.Stock209,193$73.3M2.5%+2,578+1.2%AddedHistory
NFLXNetflix IncStock76,070$70.9M2.5%+2,192+3.0%AddedHistory
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF78464A375ETF2,045,580$68.0M2.4%−1,712,080−45.6%Reduced–
LLYEli Lilly & CoStock79,692$65.8M2.3%+36,926+86.3%AddedHistory
ISRGIntuitive Surgical IncCOM NEW115,425$57.2M2.0%+24,956+27.6%AddedHistory
GOOGLAlphabet Inc.Stock366,089$56.6M2.0%+4,390+1.2%AddedHistory
ANETArista Networks, Inc.Stock713,790$55.3M1.9%+106,430+17.5%AddedHistory
BXBlackstone Inc.COM386,666$54.0M1.9%−30,354−7.3%ReducedHistory
NOWServiceNow, Inc.Stock60,694$48.3M1.7%+748+1.2%AddedHistory
Invesco QQQ Trust Series I46090E103ETF66,630$31.2M1.1%+66,630New–
iShares Tr46428743220 YR TR BD ETF341,660$31.1M1.1%+151,300+79.5%Added–
SHOPShopify Inc.Stock277,916$26.5M0.9%+6,646+2.4%AddedHistory
TTTrane Technologies plcSHS73,988$24.9M0.9%+898+1.2%AddedHistory
FICOFair Isaac CorpCOM13,270$24.5M0.8%+160+1.2%AddedHistory
SBUXStarbucks CorpStock234,592$23.0M0.8%+2,832+1.2%AddedHistory
VRTXVertex Pharmaceuticals IncStock47,039$22.8M0.8%+554+1.2%AddedHistory
iShares Tr46428865310-20 YR TRS ETF215,592$22.4M0.8%00.0%Unchanged–
GLDSPDR Gold TrustETF71,895$20.7M0.7%+27,130+60.6%AddedHistory
ACNAccenture plcStock59,394$18.5M0.6%+59,394NewHistory
iShares Tr464288588MBS ETF196,905$18.5M0.6%00.0%Unchanged–
SPDR Series Trust78468R101ST SHO TREAS ETF607,790$17.8M0.6%00.0%Unchanged–
LRCXLam Research CorpStock226,938$16.5M0.6%+105,658+87.1%AddedHistory
DOCUDocuSign, Inc.Stock198,840$16.2M0.6%+2,390+1.2%AddedHistory
PMPhilip Morris International Inc.Stock90,620$14.4M0.5%+3,460+4.0%AddedHistory
State Street Communication Services Select Sector SPDR ETF81369Y852ETF134,870$13.0M0.5%+134,870New–
VRNAVerona Pharma plcSPONSORED ADS186,170$11.8M0.4%+310+0.2%AddedHistory
VSTVistra Corp.Stock96,975$11.4M0.4%+36,315+59.9%AddedHistory
TJXTJX Companies IncStock87,660$10.7M0.4%00.0%UnchangedHistory
TSMTaiwan Semiconductor Manufacturing Co LtdADR64,030$10.6M0.4%+13,250+26.1%AddedHistory
State Street Health Care Select Sector SPDR ETF81369Y209ETF71,120$10.4M0.4%00.0%Unchanged–
MWAMueller Water Products, Inc.COM SER A377,960$9.61M0.3%+8,560+2.3%AddedHistory
TGTXTG Therapeutics, Inc.COM237,090$9.35M0.3%+25,720+12.2%AddedHistory
WMTWalmart Inc.Stock104,040$9.13M0.3%+104,040NewHistory
ADMAAdma Biologics, Inc.COM456,266$9.05M0.3%+69,900+18.1%AddedHistory
RACEFerrari N.V.COM20,626$8.83M0.3%+1,608+8.5%AddedHistory
JLLJones Lang Lasalle IncCOM35,440$8.79M0.3%+850+2.5%AddedHistory
AVGOBroadcom Inc.Stock52,010$8.71M0.3%−208,810−80.1%ReducedHistory
Cyberark Software LtdM2682V108SHS25,420$8.59M0.3%−6,140−19.5%Reduced–
MCDMcDonalds CorpStock27,470$8.58M0.3%+27,470NewHistory
EQTEQT CorpStock159,965$8.55M0.3%−173,085−52.0%ReducedHistory
JPMJPMorgan Chase & CoStock33,705$8.27M0.3%+18,020+114.9%AddedHistory
COFCapital One Financial CorpStock45,730$8.20M0.3%+9,470+26.1%AddedHistory
HWMHowmet Aerospace Inc.Stock62,870$8.16M0.3%+62,870NewHistory
GEGeneral Electric CoStock40,750$8.16M0.3%+40,750NewHistory
FTITechnipFMC plcCOM256,625$8.13M0.3%−129,155−33.5%ReducedHistory
KNFKnife River CorpStock90,050$8.12M0.3%+7,860+9.6%AddedHistory
XPOXPO, Inc.COM74,414$8.01M0.3%+1,680+2.3%AddedHistory
EVREvercore Inc.CLASS A40,020$7.99M0.3%+900+2.3%AddedHistory
PLNTPlanet Fitness, Inc.CL A82,090$7.93M0.3%+82,090NewHistory
PGRProgressive CorpStock27,870$7.89M0.3%00.0%UnchangedHistory
AITApplied Industrial Technologies IncCOM34,730$7.83M0.3%+34,730NewHistory
iShares Iboxx $ Investment Grade Corporate Bond ETF464287242ETF71,170$7.74M0.3%00.0%Unchanged–
CRMSalesforce, Inc.Stock28,710$7.70M0.3%−10,170−26.2%ReducedHistory
iShares Inc46434G822MSCI JAPAN ETF112,080$7.68M0.3%00.0%Unchanged–
PEGAPegasystems IncCOM108,650$7.55M0.3%+13,020+13.6%AddedHistory
GTESGates Industrial Corp Ltd.ORD SHS410,190$7.55M0.3%+9,330+2.3%AddedHistory
iShares Tr464288786U.S. INSRNCE ETF54,070$7.45M0.3%00.0%Unchanged–
PARPar Technology CorpCOM120,860$7.41M0.3%+9,280+8.3%AddedHistory
EXLSExlService Holdings, Inc.COM155,580$7.34M0.3%+3,530+2.3%AddedHistory
BROSDutch Bros Inc.CL A117,690$7.27M0.3%+17,130+17.0%AddedHistory
ALKTAlkami Technology, Inc.Stock272,240$7.15M0.2%+66,440+32.3%AddedHistory
SFStifel Financial CorpCOM75,370$7.10M0.2%+1,710+2.3%AddedHistory
LADLithia Motors IncCOM23,880$7.01M0.2%+8,580+56.1%AddedHistory
LGNDLigand Pharmaceuticals IncCOM NEW66,463$6.99M0.2%+1,350+2.1%AddedHistory
IDCCInterDigital, Inc.COM33,420$6.91M0.2%+33,420NewHistory
HQYHealthequity, Inc.COM77,960$6.89M0.2%−24,970−24.3%ReducedHistory
PCTYPaylocity Holding CorpCOM36,650$6.87M0.2%+6,410+21.2%AddedHistory
CWSTCasella Waste Systems IncCL A60,770$6.78M0.2%+1,370+2.3%AddedHistory
TTDTrade Desk, Inc.Stock123,304$6.75M0.2%−261,546−68.0%ReducedHistory
KDKyndryl Holdings, Inc.Stock214,360$6.73M0.2%+11,810+5.8%AddedHistory
State Street Real Estate Select Sector SPDR ETF81369Y860ETF160,370$6.71M0.2%00.0%Unchanged–
SKYChampion Homes, Inc.Stock69,750$6.61M0.2%+10,730+18.2%AddedHistory
FOURShift4 Payments, Inc.CL A80,780$6.60M0.2%+1,840+2.3%AddedHistory
BSXBoston Scientific CorpStock64,870$6.54M0.2%+64,870NewHistory
State Street Financial Select Sector SPDR ETF81369Y605ETF131,130$6.53M0.2%00.0%Unchanged–
LPLALPL Financial Holdings Inc.COM19,890$6.51M0.2%+19,890NewHistory
APGAPi Group CorpCOM STK181,283$6.48M0.2%+81,030+80.8%AddedHistory
CRCrane CoCOMMON STOCK42,240$6.47M0.2%+3,370+8.7%AddedHistory
IMAXImax CorpCOM244,421$6.44M0.2%+2,450+1.0%AddedHistory
GENIGenius Sports LtdSHARES CL A641,200$6.42M0.2%+183,210+40.0%AddedHistory
VMIValmont Industries IncCOM22,210$6.34M0.2%+500+2.3%AddedHistory
iShares MSCI Eafe ETF464287465ETF76,840$6.28M0.2%00.0%Unchanged–
UTIUniversal Technical Institute IncCOM239,390$6.15M0.2%+239,390NewHistory
NTRANatera, Inc.COM43,350$6.13M0.2%+1,320+3.1%AddedHistory
RMBSRambus IncCOM118,100$6.11M0.2%−21,790−15.6%ReducedHistory
GMEDGlobus Medical IncStock83,220$6.09M0.2%+1,890+2.3%AddedHistory
WHWyndham Hotels & Resorts, Inc.COM66,560$6.02M0.2%+1,510+2.3%AddedHistory
LTHLife Time Group Holdings, Inc.COMMON STOCK199,260$6.02M0.2%+199,260NewHistory
LITELumentum Holdings Inc.COM96,110$5.99M0.2%+2,170+2.3%AddedHistory
GGenpact LTDSHS115,980$5.84M0.2%+115,980NewHistory
VCYTVeracyte, Inc.COM195,010$5.78M0.2%+25,580+15.1%AddedHistory

Sold out since Q4 2024 (75)

Positions held at the end of Q4 2024 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q4 2024
SecurityClassShares in Q4 2024Value in Q4 2024% of portfolio in Q4 2024History
APOApollo Global Management, Inc.COM226,890$37.5M1.3%History
UBERUber Technologies, IncStock263,780$15.9M0.6%History
DECKDeckers Outdoor CorpCOM56,710$11.5M0.4%History
CATCaterpillar IncStock27,470$9.97M0.3%History
iShares Tr464287630RUS 2000 VAL ETF58,880$9.67M0.3%–
State Street SPDR S&P Biotech ETF78464A870ETF98,850$8.90M0.3%–
DDominion Energy, IncStock157,550$8.49M0.3%History
MODModine Manufacturing CoCOM72,550$8.41M0.3%History
SITMSITIME CorpCOM38,442$8.25M0.3%History
AMATApplied Materials IncStock49,629$8.07M0.3%History
SMTCSemtech CorpStock122,150$7.55M0.3%History
WIXWix.com Ltd.SHS35,130$7.54M0.3%History
DELLDell Technologies Inc.Stock63,610$7.33M0.3%History
LAZLazard, Inc.COM133,080$6.85M0.2%History
WKWorkiva IncCOM CL A62,100$6.80M0.2%History
SSentinelOne, Inc.CL A296,900$6.59M0.2%History
MTSIMACOM Technology Solutions Holdings, Inc.COM50,390$6.55M0.2%History
KKRKKR & Co. Inc.COM43,810$6.48M0.2%History
RRXRegal Rexnord CorpCOM41,570$6.45M0.2%History
State Street Industrial Select Sector SPDR ETF81369Y704ETF47,150$6.21M0.2%–
PAYOPayoneer Global Inc.COM604,260$6.07M0.2%History
HRIHerc Holdings IncCOM31,950$6.05M0.2%History
BILLBILL Holdings, Inc.Stock69,730$5.91M0.2%History
HASHasbro, Inc.COM103,500$5.79M0.2%History
WDWalker & Dunlop, Inc.COM58,690$5.71M0.2%History
HBIHanesbrands Inc.COM700,540$5.70M0.2%History
FLRFluor CorpStock115,480$5.70M0.2%History
EMEEMCOR Group, Inc.Stock12,320$5.59M0.2%History
TSEMTower Semiconductor LtdSHS NEW105,770$5.45M0.2%History
State Street SPDR S&P Homebuilders ETF78464A888ETF49,990$5.22M0.2%–
ALKAlaska Air Group, Inc.COM76,620$4.96M0.2%History
CAVACava Group, Inc.COM43,460$4.90M0.2%History
RVLVRevolve Group, Inc.CL A134,010$4.49M0.2%History
PRGPROG Holdings, Inc.Stock104,490$4.42M0.2%History
PCVXVaxcyte, Inc.COM52,360$4.29M0.1%History
CDNACareDx, Inc.COM198,180$4.24M0.1%History
KRNTKornit Digital Ltd.SHS135,706$4.20M0.1%History
AGYSAgilysys IncCOM31,884$4.20M0.1%History
ITCIIntra-Cellular Therapies, Inc.COM50,010$4.18M0.1%History
CRNXCrinetics Pharmaceuticals, Inc.COM77,780$3.98M0.1%History
XOMExxonMobil Holdings CorpCOM36,610$3.94M0.1%History
DYDycom Industries IncCOM22,090$3.84M0.1%History
NWLNewell Brands Inc.Stock377,330$3.76M0.1%History
CWHCamping World Holdings, Inc.CL A171,030$3.61M0.1%History
SGSweetgreen, Inc.COM CL A110,267$3.54M0.1%History
PTONPeloton Interactive, Inc.CL A COM403,080$3.51M0.1%History
BWABorgwarner IncCOM105,310$3.35M0.1%History
iShares Tr464288752US HOME CONS ETF28,950$2.99M0.1%–
Kraneshares Trust500767306CSI CHI INTERNET99,060$2.90M0.1%–
BEBloom Energy CorpCOM CL A128,750$2.86M0.1%History
CZRCaesars Entertainment, Inc.COM81,360$2.72M0.1%History
PNRPENTAIR plcSHS25,410$2.56M0.1%History
AMBAAmbarella IncSHS31,960$2.32M0.1%History
STRLSterling Infrastructure, Inc.COM13,016$2.19M0.1%History
ENLCEnLink Midstream, LLCCOM UNIT REP LTD152,400$2.16M0.1%History
RGENRepligen CorpCOM14,900$2.14M0.1%History
HESHess CorpStock13,250$1.76M0.1%History
iShares MSCI Acwi Ex U.S. ETF464288240ETF33,730$1.76M0.1%–
WULFTerawulf Inc.COM301,970$1.71M0.1%History
BLBlackline, Inc.COM24,850$1.51M0.1%History
BCBrunswick CorpCOM22,790$1.47M0.1%History
MUSAMurphy USA Inc.COM2,790$1.40M<0.1%History
RYTMRhythm Pharmaceuticals, Inc.COM18,390$1.03M<0.1%History
NENoble Corp plcORD SHS A26,490$831.8K<0.1%History
TRUTransUnionCOM8,890$824.2K<0.1%History
MANHManhattan Associates IncStock1,600$432.4K<0.1%History
PSXPhillips 66Stock3,420$389.6K<0.1%History
GEVGE Vernova Inc.Stock1,130$371.7K<0.1%History
ALABAstera Labs, Inc.Stock2,750$364.2K<0.1%History
CEGConstellation Energy CorpStock1,580$353.5K<0.1%History
MURMurphy Oil CorpCOM10,060$304.4K<0.1%History
APPAppLovin CorpCOM CL A930$301.2K<0.1%History
FIXComfort Systems USA IncCOM650$275.6K<0.1%History
KNXKnight-Swift Transportation Holdings Inc.CL A4,660$247.2K<0.1%History
VKTXViking Therapeutics, Inc.COM4,978$200.3K<0.1%History