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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

Holdings in Q3 2022

Holdings as of Sep 30, 2022, filed Nov 15, 2022. Long positions only; changes compare share counts with Q2 2022.

Institution overview
Positions
284
−22 vs. Q2 2022
Portfolio value
$1.80B
−$71.6M (−3.8%) vs. Q2 2022
Filed
Nov 15, 2022
SEC
Holdings of Castleark Management LLC in Q3 2022
SecurityClassSharesValue% of portfolioShare changeActionHistory
MSFTMicrosoft CorpStock418,150$97.4M5.4%+24,530+6.2%AddedHistory
AAPLApple Inc.Stock658,860$91.1M5.1%+10,950+1.7%AddedHistory
MAMastercard IncStock208,797$59.4M3.3%+4,340+2.1%AddedHistory
GOOGLAlphabet Inc.Stock553,680$53.0M2.9%−111,660−16.8%ReducedConverted for a 20-for-1 splitHistory
LLYEli Lilly & CoStock145,525$47.1M2.6%−11,420−7.3%ReducedHistory
VVisa Inc.Stock254,480$45.2M2.5%+5,030+2.0%AddedHistory
SPYSPDR S&P 500 ETF TrustETF124,800$44.6M2.5%00.0%UnchangedHistory
ULTAUlta Beauty, Inc.Stock108,395$43.5M2.4%−27,520−20.2%ReducedHistory
TSLATesla, Inc.Stock154,114$40.9M2.3%+15,040+10.8%AddedConverted for a 3-for-1 splitHistory
SCHWSchwab Charles CorpStock512,615$36.8M2.1%−210,900−29.1%ReducedHistory
State Street SPDR S&P Biotech ETF78464A870ETF448,640$35.6M2.0%−195,250−30.3%Reduced–
EWEdwards Lifesciences CorpStock421,495$34.8M1.9%+8,530+2.1%AddedHistory
NKENIKE, Inc.Stock417,105$34.7M1.9%+9,100+2.2%AddedHistory
UNHUnitedHealth Group IncStock67,680$34.2M1.9%+2,630+4.0%AddedHistory
UNPUnion Pacific CorpStock174,935$34.1M1.9%+3,540+2.1%AddedHistory
LVSLas Vegas Sands CorpCOM893,129$33.5M1.9%+87,760+10.9%AddedHistory
LULUlululemon athletica inc.Stock113,498$31.7M1.8%+722+0.6%AddedHistory
PYPLPayPal Holdings, Inc.Stock364,000$31.3M1.7%+364,000NewHistory
LRCXLam Research CorpCOM79,690$29.2M1.6%−17,470−18.0%ReducedHistory
NOWServiceNow, Inc.Stock74,410$28.1M1.6%+74,410NewHistory
State Street Financial Select Sector SPDR ETF81369Y605ETF866,900$26.3M1.5%+600,000+224.8%Added–
SWNSouthwestern Energy CoCOM3,746,230$22.9M1.3%+96,470+2.6%AddedHistory
ASMLASML Holding NVADR47,780$19.8M1.1%+1,000+2.1%AddedHistory
AMZNAmazon Com IncStock173,570$19.6M1.1%+3,990+2.4%AddedHistory
CMECME Group Inc.COM107,570$19.1M1.1%+32,290+42.9%AddedHistory
ELEstee Lauder Companies IncCL A86,280$18.6M1.0%+1,590+1.9%AddedHistory
NVDANVIDIA CorpStock129,548$15.7M0.9%−144,870−52.8%ReducedHistory
MSCIMSCI Inc.Stock30,450$12.8M0.7%−310−1.0%ReducedHistory
CALXCalix, IncCOM185,420$11.3M0.6%−4,260−2.2%ReducedHistory
OPCHOption Care Health, Inc.COM NEW357,375$11.2M0.6%−32,970−8.4%ReducedHistory
WSCWillScot Holdings CorpCOM CL A278,164$11.2M0.6%−42,970−13.4%ReducedHistory
DXCMDexcom IncCOM137,040$11.0M0.6%−54,700−28.5%ReducedHistory
ACHCAcadia Healthcare Company, Inc.COM137,410$10.7M0.6%−24,610−15.2%ReducedHistory
iShares Tr464287515EXPANDED TECH42,920$10.7M0.6%+42,920New–
GLDSPDR Gold TrustETF68,475$10.6M0.6%00.0%UnchangedHistory
PTENPatterson Uti Energy IncCOM894,210$10.4M0.6%+894,210NewHistory
SWAVShockwave Medical, Inc.COM35,054$9.75M0.5%−13,770−28.2%ReducedHistory
ADBEAdobe Inc.Stock33,285$9.16M0.5%−24,430−42.3%ReducedHistory
AXONAxon Enterprise, Inc.COM78,240$9.06M0.5%+78,240NewHistory
CWSTCasella Waste Systems IncCL A117,030$8.94M0.5%−2,750−2.3%ReducedHistory
LPLALPL Financial Holdings Inc.COM39,785$8.69M0.5%−8,340−17.3%ReducedHistory
AXNXAxonics, Inc.COM122,570$8.63M0.5%+24,520+25.0%AddedHistory
BOXBox IncCL A351,650$8.58M0.5%−8,050−2.2%ReducedHistory
HALOHalozyme Therapeutics, Inc.COM216,750$8.57M0.5%+12,810+6.3%AddedHistory
SPDR Series Trust78464A714ST STR SP RETAIL150,130$8.47M0.5%00.0%Unchanged–
KBRKBR, Inc.COM189,056$8.17M0.5%−4,200−2.2%ReducedHistory
CYTKCytokinetics IncCOM NEW162,095$7.85M0.4%+9,240+6.0%AddedHistory
NXSTNexstar Media Group, Inc.COMMON STOCK46,140$7.70M0.4%−1,060−2.2%ReducedHistory
HAEHaemonetics CorpCOM102,340$7.58M0.4%+19,290+23.2%AddedHistory
GTLSChart Industries IncCOM39,945$7.36M0.4%+5,700+16.6%AddedHistory
State Street SPDR S&P Homebuilders ETF78464A888ETF132,200$7.23M0.4%00.0%Unchanged–
KNSLKinsale Capital Group, Inc.Stock28,260$7.22M0.4%−3,440−10.9%ReducedHistory
PRPermian Resources CorpCLASS A COM1,058,900$7.20M0.4%+1,058,900NewHistory
ATIAti IncStock266,560$7.09M0.4%−6,190−2.3%ReducedHistory
PLNTPlanet Fitness, Inc.CL A118,550$6.84M0.4%−2,860−2.4%ReducedHistory
WINGWingstop Inc.COM54,040$6.78M0.4%+54,040NewHistory
FIBKFirst Interstate Bancsystem IncCOM167,826$6.77M0.4%00.0%UnchangedHistory
NVEENV5 Global, Inc.COM54,254$6.72M0.4%−8,550−13.6%ReducedHistory
FCNFti Consulting, IncCOM40,520$6.71M0.4%−940−2.3%ReducedHistory
WMSAdvanced Drainage Systems, Inc.COM53,890$6.70M0.4%−1,260−2.3%ReducedHistory
WWEWorld Wrestling Entertainment, LLCCL A94,780$6.65M0.4%+94,780NewHistory
AQUAEvoqua Water Technologies Corp.COM197,680$6.54M0.4%−4,560−2.3%ReducedHistory
EXLSExlService Holdings, Inc.COM43,850$6.46M0.4%−1,000−2.2%ReducedHistory
DVDoubleVerify Holdings, Inc.COM227,930$6.23M0.3%+137,470+152.0%AddedHistory
DYDycom Industries IncCOM64,310$6.14M0.3%+7,560+13.3%AddedHistory
LNTHLantheus Holdings, Inc.Stock86,820$6.11M0.3%−1,860−2.1%ReducedHistory
ACMAecomCOM86,320$5.90M0.3%−2,110−2.4%ReducedHistory
INSPInspire Medical Systems, Inc.COM33,120$5.87M0.3%−750−2.2%ReducedHistory
PRVAPrivia Health Group, Inc.COM170,305$5.80M0.3%+170,305NewHistory
HBANHuntington Bancshares IncCOM435,700$5.74M0.3%00.0%UnchangedHistory
TXRHTexas Roadhouse, Inc.COM64,630$5.64M0.3%+64,630NewHistory
SRPTSarepta Therapeutics, Inc.COM50,970$5.63M0.3%+50,970NewHistory
NBIXNeurocrine Biosciences IncStock52,770$5.61M0.3%−1,230−2.3%ReducedHistory
iShares MSCI Acwi Ex U.S. ETF464288240ETF139,850$5.59M0.3%00.0%Unchanged–
ETEnergy Transfer LPCOM UT LTD PTN502,130$5.54M0.3%−1,225,530−70.9%ReducedHistory
EFOREverforth IncCOM60,175$5.44M0.3%−11,720−16.3%ReducedHistory
OLLIOllie's Bargain Outlet Holdings, Inc.Stock105,180$5.43M0.3%−2,400−2.2%ReducedHistory
WFCWells Fargo & CompanyStock134,700$5.42M0.3%00.0%UnchangedHistory
DGIIDigi International IncCOM154,220$5.33M0.3%+154,220NewHistory
VCVisteon CorpCOM NEW49,240$5.22M0.3%+18,120+58.2%AddedHistory
Sunpower Corp867652406COM225,798$5.20M0.3%+225,798New–
SHLSShoals Technologies Group, Inc.CL A240,800$5.19M0.3%+236,520+5,526.2%AddedHistory
GOGrocery Outlet Holding Corp.COM155,540$5.18M0.3%−3,600−2.3%ReducedHistory
BRBRBellring Brands, Inc.Stock244,910$5.05M0.3%+47,800+24.3%AddedHistory
EVRIEveri Holdings Inc.COM310,099$5.03M0.3%−6,840−2.2%ReducedHistory
WCCWesco International IncCOM41,649$4.97M0.3%−980−2.3%ReducedHistory
MTDRMatador Resources CoCOM101,610$4.97M0.3%−11,270−10.0%ReducedHistory
TMDXTransMedics Group, Inc.COM118,245$4.94M0.3%+118,245NewHistory
INSMINSMED IncCOM PAR $.01228,410$4.92M0.3%+64,060+39.0%AddedHistory
PFGCPerformance Food Group CoCOM114,060$4.90M0.3%−2,620−2.2%ReducedHistory
ENSGEnsign Group, IncCOM60,600$4.82M0.3%−31,630−34.3%ReducedHistory
MGYMagnolia Oil & Gas CorpCL A240,750$4.77M0.3%−24,100−9.1%ReducedHistory
SMCISuper Micro Computer, Inc.COM86,030$4.74M0.3%−12,180−12.4%ReducedHistory
KEYKeycorpCOM295,300$4.73M0.3%00.0%UnchangedHistory
iShares Tr464287234MSCI EMG MKT ETF135,300$4.72M0.3%00.0%Unchanged–
WESWestern Midstream Partners, LPCOM UNIT LP INT186,220$4.68M0.3%−46,550−20.0%ReducedHistory
RCMR1 RCM Inc.COM250,460$4.64M0.3%−41,070−14.1%ReducedHistory
FIVNFive9, Inc.COM61,854$4.64M0.3%+13,590+28.2%AddedHistory
ADCAgree Realty CorpCOM67,570$4.57M0.3%−1,530−2.2%ReducedHistory
IRTCiRhythm Holdings, Inc.COM36,100$4.52M0.3%−3,710−9.3%ReducedHistory

Sold out since Q2 2022 (69)

Positions held at the end of Q2 2022 that are gone from this filing.

Positions of Castleark Management LLC sold out since Q2 2022
SecurityClassShares in Q2 2022Value in Q2 2022% of portfolio in Q2 2022History
Invesco QQQ Trust Series I46090E103ETF61,900$17.3M0.9%–
SMPLSimply Good Foods CoCOM217,740$8.22M0.4%History
TENBTenable Holdings, Inc.COM156,860$7.12M0.4%History
PINGPing Identity Holding Corp.COM375,975$6.82M0.4%History
AMPHAmphastar Pharmaceuticals, Inc.COM192,649$6.70M0.4%History
MRCYMercury Systems IncCOM98,910$6.36M0.3%History
THRMGentherm IncCOM96,700$6.04M0.3%History
UTHRUnited Therapeutics CorpCOM25,350$5.97M0.3%History
BMBLBumble Inc.COM CL A208,830$5.88M0.3%History
LIVNLivaNova PLCSHS91,855$5.74M0.3%History
HELEHelen of Troy LtdStock34,360$5.58M0.3%History
ALKSAlkermes plc.SHS183,340$5.46M0.3%History
EGPEastgroup Properties IncCOM35,270$5.44M0.3%History
NUVANuvasive IncCOM106,460$5.23M0.3%History
EEFTEuronet Worldwide, Inc.COM44,620$4.49M0.2%History
OMCLOmnicell, Inc.COM34,885$3.97M0.2%History
LFUSLittelfuse IncCOM15,473$3.93M0.2%History
ATRCAtriCure, Inc.COM87,881$3.59M0.2%History
AIRAar CorpStock85,560$3.58M0.2%History
SGRYSurgery Partners, Inc.Stock123,628$3.58M0.2%History
ROICRetail Opportunity Investments CorpCOM220,430$3.48M0.2%History
SITMSITIME CorpCOM19,910$3.25M0.2%History
AYXAlteryx, Inc.COM CL A64,760$3.14M0.2%History
SYNASYNAPTICS IncStock25,436$3.00M0.2%History
PCRXPacira BioSciences, Inc.COM49,580$2.89M0.2%History
SMTCSemtech CorpStock49,748$2.73M0.1%History
CALMCal-Maine Foods IncCOM NEW51,220$2.53M0.1%History
Sierra Wireless Inc826516106COM92,540$2.17M0.1%–
BKRBaker Hughes CoCL A71,230$2.06M0.1%History
FRPTFreshpet, Inc.Stock36,028$1.87M0.1%History
KEXKirby CorpCOM22,450$1.37M0.1%History
HZNPHorizon Therapeutics Public Ltd CoSHS16,495$1.32M0.1%History
RTLRRattler Midstream LPCOM UNITS80,270$1.10M0.1%History
ATECAlphatec Holdings, Inc.COM NEW142,982$935.0K0.1%History
PSXPhillips 66Stock8,648$709.0K<0.1%History
KLACKLA CorpCOM NEW1,825$582.0K<0.1%History
BILLBILL Holdings, Inc.Stock4,830$531.0K<0.1%History
GTESGates Industrial Corp Ltd.ORD SHS44,105$477.0K<0.1%History
GNRCGenerac Holdings Inc.Stock2,230$470.0K<0.1%History
KEYSKeysight Technologies, Inc.Stock3,350$462.0K<0.1%History
ZENZendesk, Inc.COM5,140$381.0K<0.1%History
ORLYO Reilly Automotive IncStock590$373.0K<0.1%History
PAYCPaycom Software, Inc.Stock1,300$364.0K<0.1%History
PANWPalo Alto Networks IncStock720$356.0K<0.1%History
TTTrane Technologies plcSHS2,445$318.0K<0.1%History
NDSNNordson CorpCOM1,520$308.0K<0.1%History
CMGChipotle Mexican Grill IncCOM220$288.0K<0.1%History
ROKRockwell Automation, IncStock1,420$283.0K<0.1%History
ZBRAZebra Technologies CorpCL A955$281.0K<0.1%History
TRUTransUnionCOM3,320$266.0K<0.1%History
TSCOTractor Supply CoCOM1,355$263.0K<0.1%History
REXRRexford Industrial Realty, Inc.COM4,470$257.0K<0.1%History
VEEVVeeva Systems IncStock1,295$256.0K<0.1%History
URIUnited Rentals, Inc.COM1,030$250.0K<0.1%History
IDXXIDEXX Laboratories IncCOM705$247.0K<0.1%History
TTWOTake Two Interactive Software IncCOM1,880$230.0K<0.1%History
NSNuStar Energy L.P.UNIT COM16,220$227.0K<0.1%History
SIVBSVB Financial GroupCOM530$209.0K<0.1%History
CDNSCadence Design Systems IncStock1,370$206.0K<0.1%History
MDBMongoDB, Inc.CL A770$200.0K<0.1%History
PODDInsulet CorpStock915$199.0K<0.1%History
ALGNAlign Technology IncCOM780$185.0K<0.1%History
TERTeradyne, IncStock2,015$180.0K<0.1%History
MTCHMatch Group, Inc.COM2,550$178.0K<0.1%History
HSYHershey CoCOM600$129.0K<0.1%History
DDOGDatadog, Inc.CL A COM1,230$117.0K<0.1%History
DOCUDocuSign, Inc.Stock1,450$83.0K<0.1%History
TTDTrade Desk, Inc.Stock1,800$75.0K<0.1%History
OLEDUniversal Display CorpCOM490$50.0K<0.1%History