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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q3 2025

Holdings as of Sep 30, 2025, filed Nov 17, 2025. Long positions only; changes compare share counts with Q2 2025.

Institution overview
Positions
284
+9 vs. Q2 2025
Portfolio value
$3.57B
+$239.1M (+7.2%) vs. Q2 2025
Filed
Nov 17, 2025
SEC
Holdings of Castleark Management LLC in Q3 2025
SecurityClassSharesValue% of portfolioShare changeActionHistory
AIRAar CorpStock84,194$7.55M0.2%+84,194NewHistory
CRDOCredo Technology Group Holding LtdStock51,776$7.54M0.2%+17,626+51.6%AddedHistory
TOLToll Brothers, Inc.COM54,233$7.49M0.2%+26,803+97.7%AddedHistory
HOODRobinhood Markets, Inc.Stock51,910$7.43M0.2%+40,370+349.8%AddedHistory
RKTRocket Companies, Inc.Stock383,500$7.43M0.2%+383,500NewHistory
PEGAPegasystems IncCOM129,117$7.42M0.2%−10,835−7.7%ReducedHistory
VMIValmont Industries IncCOM19,126$7.42M0.2%−5,744−23.1%ReducedHistory
SRADSportradar Group AGCLASS A ORD SHS273,962$7.37M0.2%−52,447−16.1%ReducedHistory
TTMITTM Technologies IncCOM127,860$7.36M0.2%+127,860NewHistory
ARLOArlo Technologies, Inc.COM428,321$7.26M0.2%+221,641+107.2%AddedHistory
ASBAssociated Banc-CorpCOM281,113$7.23M0.2%+88,303+45.8%AddedHistory
JBTMJBT Marel CorpCOM51,089$7.18M0.2%+51,089NewHistory
ZETAZeta Global Holdings Corp.CL A354,277$7.04M0.2%+303,197+593.6%AddedHistory
APGAPi Group CorpCOM STK204,723$7.04M0.2%+55,880+37.5%AddedHistory
IONQIonQ, Inc.COM114,360$7.03M0.2%+75,420+193.7%AddedHistory
WCCWesco International IncCOM33,227$7.03M0.2%+13,667+69.9%AddedHistory
AXONAxon Enterprise, Inc.COM9,627$6.91M0.2%+9,107+1,751.3%AddedHistory
Spinnaker ETF Series84858T772SELE STO EUR ETF147,000$6.90M0.2%00.0%Unchanged–
WMBWilliams Companies, Inc.COM106,640$6.76M0.2%00.0%UnchangedHistory
BWABorgwarner IncCOM152,556$6.71M0.2%+35,996+30.9%AddedHistory
ESEEsco Technologies IncCOM31,232$6.59M0.2%+1,152+3.8%AddedHistory
State Street SPDR S&P Homebuilders ETF78464A888ETF59,240$6.56M0.2%+59,240New–
SSDSimpson Manufacturing Co., Inc.COM39,112$6.55M0.2%+39,112NewHistory
URIUnited Rentals, Inc.COM6,840$6.53M0.2%+6,840NewHistory
SANMSanmina CorpCOM56,074$6.45M0.2%+56,074NewHistory
ESIElement Solutions IncCOM255,564$6.43M0.2%+18,254+7.7%AddedHistory
BBIOBridgeBio Pharma, Inc.COM123,707$6.43M0.2%+45,867+58.9%AddedHistory
PRCHPorch Group, Inc.COM380,761$6.39M0.2%+380,761NewHistory
FASTFastenal CoStock129,820$6.37M0.2%+122,900+1,776.0%AddedHistory
LSCCLattice Semiconductor CorpCOM86,109$6.31M0.2%−10,531−10.9%ReducedHistory
SLABSilicon Laboratories Inc.Stock47,542$6.23M0.2%+1,802+3.9%AddedHistory
KNSAKiniksa Pharmaceuticals International, plcORD SHS CL A158,632$6.16M0.2%+158,632NewHistory
AGCOAGCO CorpCOM56,415$6.04M0.2%+29,645+110.7%AddedHistory
VRNSVaronis Systems IncCOM104,061$5.98M0.2%+18,171+21.2%AddedHistory
VCVisteon CorpCOM NEW48,885$5.86M0.2%+48,885NewHistory
FIVEFive Below, IncCOM37,820$5.85M0.2%+37,820NewHistory
RSIRush Street Interactive, Inc.COM281,986$5.78M0.2%+152,036+117.0%AddedHistory
COINCoinbase Global, Inc.COM CL A16,310$5.50M0.2%−5,420−24.9%ReducedHistory
NCNOnCino, Inc.COM201,070$5.45M0.2%+201,070NewHistory
KFYKorn FerryCOM NEW77,641$5.43M0.2%+2,881+3.9%AddedHistory
HASHasbro, Inc.COM70,711$5.36M0.2%+26,151+58.7%AddedHistory
BLDQXO Insulation, LLCStock13,467$5.26M0.1%+13,467NewHistory
ITRIItron, Inc.COM42,070$5.24M0.1%−20,260−32.5%ReducedHistory
QXOQXO, Inc.COM NEW274,797$5.24M0.1%+45,647+19.9%AddedHistory
ALABAstera Labs, Inc.Stock26,221$5.13M0.1%−35,309−57.4%ReducedHistory
TGTXTG Therapeutics, Inc.COM140,316$5.07M0.1%−110,114−44.0%ReducedHistory
TEXTerex CorpStock98,375$5.05M0.1%+14,595+17.4%AddedHistory
CRLCharles River Laboratories International, Inc.COM31,265$4.89M0.1%+31,265NewHistory
ALKAlaska Air Group, Inc.COM97,153$4.84M0.1%+97,153NewHistory
MEDPMedpace Holdings, Inc.COM9,042$4.65M0.1%+9,042NewHistory
MDGLMadrigal Pharmaceuticals, Inc.COM9,926$4.55M0.1%+9,926NewHistory
WINGWingstop Inc.COM17,843$4.49M0.1%+683+4.0%AddedHistory
ADPTAdaptive Biotechnologies CorpCOM298,074$4.46M0.1%+298,074NewHistory
AAPAdvance Auto Parts IncCOM70,705$4.34M0.1%+70,705NewHistory
RYTMRhythm Pharmaceuticals, Inc.COM42,539$4.30M0.1%+42,539NewHistory
SANBanco Santander, S.A.ADR405,515$4.25M0.1%00.0%UnchangedHistory
MGNIMagnite, Inc.COM193,185$4.21M0.1%+50,035+35.0%AddedHistory
SGISomnigroup International Inc.COM49,545$4.18M0.1%+1,725+3.6%AddedHistory
RRyder System IncCOM21,680$4.09M0.1%+21,680NewHistory
ETEnergy Transfer LPCOM UT LTD PTN238,240$4.09M0.1%00.0%UnchangedHistory
CRCrane CoCOMMON STOCK22,020$4.05M0.1%−12,370−36.0%ReducedHistory
SMTCSemtech CorpStock55,640$3.98M0.1%+55,640NewHistory
PLPlanet Labs PBCCOM CL A305,260$3.96M0.1%+305,260NewHistory
KNFKnife River CorpStock51,539$3.96M0.1%+51,539NewHistory
ALGMAllegro Microsystems, Inc.COM133,508$3.90M0.1%+30,348+29.4%AddedHistory
RIOTRiot Platforms, Inc.COM193,630$3.68M0.1%+193,630NewHistory
KMIKinder Morgan, Inc.Stock125,010$3.54M0.1%00.0%UnchangedHistory
RRCRange Resources CorpCOM93,130$3.51M0.1%−108,600−53.8%ReducedHistory
HLIOHelios Technologies, Inc.COM66,939$3.49M0.1%+66,939NewHistory
iShares Tr464288794US BR DEL SE ETF19,520$3.45M0.1%+19,520New–
COFCapital One Financial CorpStock16,140$3.43M0.1%+16,140NewHistory
BCSBarclays PLCADR165,235$3.42M0.1%00.0%UnchangedHistory
BELFBBel Fuse IncCL B24,181$3.41M0.1%+24,181NewHistory
AAOIApplied Optoelectronics, Inc.COM125,379$3.25M0.1%+125,379NewHistory
JLLJones Lang Lasalle IncCOM10,811$3.22M0.1%+1,921+21.6%AddedHistory
VSECVse CorpCOM19,256$3.20M0.1%−25,344−56.8%ReducedHistory
TLNTalen Energy CorpCOM7,410$3.15M0.1%00.0%UnchangedHistory
MCDMcDonalds CorpStock10,250$3.11M0.1%+1,620+18.8%AddedHistory
MPLXMPLX LPCOM UNIT REP LTD60,622$3.03M0.1%00.0%UnchangedHistory
VLOValero Energy CorpStock17,720$3.02M0.1%+14,160+397.8%AddedHistory
HSBCHSBC Holdings PLCSPON ADR NEW42,100$2.99M0.1%00.0%UnchangedHistory
ROADConstruction Partners, Inc.COM CL A23,305$2.96M0.1%−27,375−54.0%ReducedHistory
GLDSPDR Gold TrustETF8,005$2.85M0.1%00.0%UnchangedHistory
TRGPTarga Resources Corp.COM16,680$2.79M0.1%00.0%UnchangedHistory
EMEEMCOR Group, Inc.Stock4,300$2.79M0.1%00.0%UnchangedHistory
XPOXPO, Inc.COM21,219$2.74M0.1%−26,985−56.0%ReducedHistory
SNVSynovus Financial CorpCOM NEW54,880$2.69M0.1%+54,880NewHistory
COSTCostco Wholesale CorpStock2,800$2.59M0.1%00.0%UnchangedHistory
BKRBaker Hughes CoCL A53,080$2.59M0.1%00.0%UnchangedHistory
EPDEnterprise Products Partners L.P.Stock79,461$2.48M0.1%00.0%UnchangedHistory
HIMSHims & Hers Health, Inc.Stock43,494$2.47M0.1%−15,096−25.8%ReducedHistory
PWRQuanta Services, Inc.COM5,910$2.45M0.1%00.0%UnchangedHistory
TDWTidewater IncCOM45,204$2.41M0.1%+45,204NewHistory
iShares Russell Mid-Cap Growth ETF464287481ETF16,000$2.28M0.1%00.0%Unchanged–
DEDeere & CoStock4,620$2.11M0.1%−11,890−72.0%ReducedHistory
DAVEDave Inc.CLASS A COM NEW9,863$1.97M0.1%+9,863NewHistory
WESWestern Midstream Partners, LPCOM UNIT LP INT49,440$1.94M0.1%−20,820−29.6%ReducedHistory
CAMTCamtek LtdORD18,340$1.93M0.1%−2,610−12.5%ReducedHistory
OKEONEOK IncCOM25,738$1.88M0.1%00.0%UnchangedHistory
DKSDick's Sporting Goods, Inc.Stock8,440$1.88M0.1%00.0%UnchangedHistory

Sold out since Q2 2025 (50)

Positions held at the end of Q2 2025 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q2 2025
SecurityClassShares in Q2 2025Value in Q2 2025% of portfolio in Q2 2025History
TTTrane Technologies plcSHS78,332$34.3M1.0%History
FICOFair Isaac CorpCOM9,000$16.5M0.5%History
VRNAVerona Pharma plcSPONSORED ADS153,020$14.5M0.4%History
ODFLOld Dominion Freight Line, Inc.COM59,570$9.67M0.3%History
LPLALPL Financial Holdings Inc.COM22,550$8.46M0.3%History
ALKTAlkami Technology, Inc.Stock264,440$7.97M0.2%History
HQYHealthequity, Inc.COM75,730$7.93M0.2%History
LADLithia Motors IncCOM23,150$7.82M0.2%History
BROSDutch Bros Inc.CL A114,300$7.81M0.2%History
PGRProgressive CorpStock27,870$7.44M0.2%History
RBCRBC Bearings INCCOM19,140$7.37M0.2%History
iShares Tr464288786U.S. INSRNCE ETF54,070$7.27M0.2%–
WAYWaystar Holding Corp.COM176,595$7.22M0.2%History
PARPar Technology CorpCOM103,900$7.21M0.2%History
UTIUniversal Technical Institute IncCOM204,520$6.93M0.2%History
CWSTCasella Waste Systems IncCL A58,840$6.79M0.2%History
Cyberark Software LtdM2682V108SHS16,230$6.60M0.2%–
KDKyndryl Holdings, Inc.Stock156,170$6.55M0.2%History
FLRFluor CorpStock127,440$6.53M0.2%History
AVPTAvePoint, Inc.COM CL A316,020$6.10M0.2%History
LTHLife Time Group Holdings, Inc.COMMON STOCK193,530$5.87M0.2%History
NTRANatera, Inc.COM34,730$5.87M0.2%History
RDNTRadNet, Inc.COM96,203$5.47M0.2%History
PAYPaymentus Holdings, Inc.Stock166,830$5.46M0.2%History
QTWOQ2 Holdings, Inc.COM57,070$5.34M0.2%History
FOURShift4 Payments, Inc.CL A52,880$5.24M0.2%History
OIO-I Glass, Inc.COM335,260$4.94M0.1%History
OPCHOption Care Health, Inc.COM NEW147,760$4.80M0.1%History
MODModine Manufacturing CoCOM46,340$4.56M0.1%History
CNKCinemark Holdings, Inc.COM147,620$4.46M0.1%History
GTLSChart Industries IncCOM24,830$4.09M0.1%History
AITApplied Industrial Technologies IncCOM17,240$4.01M0.1%History
PCTYPaylocity Holding CorpCOM18,440$3.34M0.1%History
BMIBadger Meter IncCOM13,490$3.30M0.1%History
TGLSTecnoglass Holdings Inc.ORD SHS39,550$3.06M0.1%History
EXLSExlService Holdings, Inc.COM68,770$3.01M0.1%History
LMBLimbach Holdings, Inc.COM21,140$2.96M0.1%History
SLNOSoleno Therapeutics IncCOM34,840$2.92M0.1%History
HWMHowmet Aerospace Inc.Stock14,610$2.72M0.1%History
LRNStride, Inc.COM16,740$2.43M0.1%History
UPSTUpstart Holdings, Inc.COM33,200$2.15M0.1%History
ANSSAnsys IncCOM4,040$1.42M<0.1%History
CLBTCellebrite DI Ltd.ORDINARY SHARES71,920$1.15M<0.1%History
CPRXCatalyst Pharmaceuticals, Inc.COM48,520$1.05M<0.1%History
PRMBPrimo Brands CorpCLASS A COM SHS19,600$580.6K<0.1%History
PNRPENTAIR plcSHS5,300$544.1K<0.1%History
CASYCaseys General Stores IncCOM1,010$515.4K<0.1%History
CQPCheniere Energy Partners, L.P.COM UNIT8,404$471.0K<0.1%History
TOSTToast, Inc.Stock8,790$389.3K<0.1%History
NTNXNutanix, Inc.Stock4,840$370.0K<0.1%History