Castleark Management LLC
- SEC CIK
- 0001106832
- Latest filing
- Aug 14, 2026
Holdings in Q1 2021
Holdings as of Mar 31, 2021, filed May 14, 2021. Long positions only.
- Positions
- 330
- No 13F data for Q4 2020
- Portfolio value
- $2.78B
- No 13F data for Q4 2020
Livermore's 13F data starts with Q1 2021, so this quarter has no previous quarter to compare with and changes are not shown.
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| MSFTMicrosoft Corp | Stock | 486,415 | $114.7M | 4.1% | – | – | History |
| AAPLApple Inc. | Stock | 799,690 | $97.7M | 3.5% | – | – | History |
| AMZNAmazon Com Inc | Stock | 29,210 | $90.4M | 3.3% | – | – | History |
| LRCXLam Research Corp | COM | 118,865 | $70.8M | 2.5% | – | – | History |
| METAMeta Platforms, Inc. | Stock | 224,550 | $66.1M | 2.4% | – | – | History |
| MAMastercard Inc | Stock | 162,472 | $57.8M | 2.1% | – | – | History |
| HCAHCA Healthcare, Inc. | COM | 306,455 | $57.7M | 2.1% | – | – | History |
| MCHPMicrochip Technology Inc | Stock | 359,750 | $55.8M | 2.0% | – | – | History |
| NKENIKE, Inc. | Stock | 400,975 | $53.3M | 1.9% | – | – | History |
| NVDANVIDIA Corp | Stock | 98,022 | $52.3M | 1.9% | – | – | History |
| LVSLas Vegas Sands Corp | COM | 789,824 | $48.0M | 1.7% | – | – | History |
| iShares Tr464287234 | MSCI EMG MKT ETF | 868,500 | $46.3M | 1.7% | – | – | – |
| PYPLPayPal Holdings, Inc. | Stock | 189,735 | $46.1M | 1.7% | – | – | History |
| ASMLASML Holding NV | ADR | 74,585 | $46.0M | 1.7% | – | – | History |
| State Street Financial Select Sector SPDR ETF81369Y605 | ETF | 1,234,280 | $42.0M | 1.5% | – | – | – |
| iShares MSCI Eafe ETF464287465 | ETF | 530,500 | $40.2M | 1.4% | – | – | – |
| iShares Russell 1000 Value ETF464287598 | ETF | 265,000 | $40.2M | 1.4% | – | – | – |
| ADBEAdobe Inc. | Stock | 81,245 | $38.6M | 1.4% | – | – | History |
| HDHome Depot, Inc. | Stock | 123,274 | $37.6M | 1.4% | – | – | History |
| TSLATesla, Inc. | Stock | 54,028 | $36.1M | 1.3% | – | – | History |
| VVisa Inc. | Stock | 165,270 | $35.0M | 1.3% | – | – | History |
| CPCanadian Pacific Kansas City Ltd | COM | 88,613 | $33.6M | 1.2% | – | – | History |
| SCHWSchwab Charles Corp | Stock | 508,560 | $33.1M | 1.2% | – | – | History |
| State Street Materials Select Sector SPDR ETF81369Y100 | ETF | 408,000 | $32.1M | 1.2% | – | – | – |
| OLEDUniversal Display Corp | COM | 121,950 | $28.9M | 1.0% | – | – | History |
| ZTSZoetis Inc. | Stock | 169,635 | $26.7M | 1.0% | – | – | History |
| iShares Tr464287630 | RUS 2000 VAL ETF | 166,560 | $26.6M | 1.0% | – | – | – |
| KSUKansas City Southern | COM NEW | 98,350 | $26.0M | 0.9% | – | – | History |
| NOWServiceNow, Inc. | Stock | 49,202 | $24.6M | 0.9% | – | – | History |
| LLYEli Lilly & Co | Stock | 127,170 | $23.8M | 0.9% | – | – | History |
| State Street SPDR S&P Regional Banking ETF78464A698 | ETF | 333,895 | $22.2M | 0.8% | – | – | – |
| DXCMDexcom Inc | COM | 58,600 | $21.1M | 0.8% | – | – | History |
| DHRDanaher Corp | Stock | 89,825 | $20.2M | 0.7% | – | – | History |
| LUVSouthwest Airlines Co | COM | 323,590 | $19.8M | 0.7% | – | – | History |
| PNCPNC Financial Services Group, Inc. | Stock | 111,630 | $19.6M | 0.7% | – | – | History |
| EWEdwards Lifesciences Corp | Stock | 234,045 | $19.6M | 0.7% | – | – | History |
| MSCIMSCI Inc. | Stock | 45,060 | $18.9M | 0.7% | – | – | History |
| LULUlululemon athletica inc. | Stock | 60,663 | $18.6M | 0.7% | – | – | History |
| HALOHalozyme Therapeutics, Inc. | COM | 430,602 | $18.0M | 0.6% | – | – | History |
| MTSIMACOM Technology Solutions Holdings, Inc. | COM | 263,021 | $15.3M | 0.5% | – | – | History |
| SGRYSurgery Partners, Inc. | Stock | 332,059 | $14.7M | 0.5% | – | – | History |
| DARDarling Ingredients Inc. | COM | 195,710 | $14.4M | 0.5% | – | – | History |
| EEFTEuronet Worldwide, Inc. | COM | 102,055 | $14.1M | 0.5% | – | – | History |
| WSCWillScot Holdings Corp | COM CL A | 505,454 | $14.0M | 0.5% | – | – | History |
| LPLALPL Financial Holdings Inc. | COM | 97,800 | $13.9M | 0.5% | – | – | History |
| CCitigroup Inc | Stock | 188,810 | $13.7M | 0.5% | – | – | History |
| APPSDigital Turbine, Inc. | COM NEW | 169,887 | $13.7M | 0.5% | – | – | History |
| FFord Motor Co | Stock | 1,097,180 | $13.4M | 0.5% | – | – | History |
| State Street SPDR S&P Homebuilders ETF78464A888 | ETF | 189,100 | $13.3M | 0.5% | – | – | – |
| BLDRBuilders FirstSource, Inc. | Stock | 280,081 | $13.0M | 0.5% | – | – | History |
| WCCWesco International Inc | COM | 149,979 | $13.0M | 0.5% | – | – | History |
| ITRIItron, Inc. | COM | 145,885 | $12.9M | 0.5% | – | – | History |
| CPRICapri Holdings Ltd | SHS | 253,165 | $12.9M | 0.5% | – | – | History |
| SPRSpirit AeroSystems Holdings, Inc. | COM CL A | 263,485 | $12.8M | 0.5% | – | – | History |
| SPTSprout Social, Inc. | COM CL A | 220,989 | $12.8M | 0.5% | – | – | History |
| EATBrinker International, Inc | Stock | 179,073 | $12.7M | 0.5% | – | – | History |
| ZDZiff Davis, Inc. | COM | 104,250 | $12.5M | 0.4% | – | – | History |
| AVYAAvaya Holdings Corp. | COM | 438,424 | $12.3M | 0.4% | – | – | History |
| GTLSChart Industries Inc | COM | 86,060 | $12.3M | 0.4% | – | – | History |
| TPRTapestry, Inc. | COM | 293,335 | $12.1M | 0.4% | – | – | History |
| NTRANatera, Inc. | COM | 117,589 | $11.9M | 0.4% | – | – | History |
| LFUSLittelfuse Inc | COM | 44,907 | $11.9M | 0.4% | – | – | History |
| BCOBrinks Co | COM | 149,615 | $11.9M | 0.4% | – | – | History |
| ENOVEnovis CORP | COM | 270,254 | $11.8M | 0.4% | – | – | History |
| VRNSVaronis Systems Inc | COM | 226,259 | $11.6M | 0.4% | – | – | History |
| SWAVShockwave Medical, Inc. | COM | 89,109 | $11.6M | 0.4% | – | – | History |
| TKRTimken Co | COM | 140,046 | $11.4M | 0.4% | – | – | History |
| NUANNuance Communications, Inc. | COM | 257,648 | $11.2M | 0.4% | – | – | History |
| CSTLCastle Biosciences Inc | COM | 163,607 | $11.2M | 0.4% | – | – | History |
| VCYTVeracyte, Inc. | COM | 208,257 | $11.2M | 0.4% | – | – | History |
| RVLVRevolve Group, Inc. | CL A | 247,330 | $11.1M | 0.4% | – | – | History |
| ESIElement Solutions Inc | COM | 605,624 | $11.1M | 0.4% | – | – | History |
| GMGeneral Motors Co | COM | 191,885 | $11.0M | 0.4% | – | – | History |
| SNVSynovus Financial Corp | COM NEW | 240,740 | $11.0M | 0.4% | – | – | History |
| SUMSummit Materials, Inc. | CL A | 391,060 | $11.0M | 0.4% | – | – | History |
| GLDSPDR Gold Trust | ETF | 68,475 | $11.0M | 0.4% | – | – | History |
| CNMDCONMED Corp | COM | 83,402 | $10.9M | 0.4% | – | – | History |
| UAAUnder Armour, Inc. | Stock | 489,595 | $10.8M | 0.4% | – | – | History |
| PARPar Technology Corp | COM | 165,054 | $10.8M | 0.4% | – | – | History |
| THCTenet Healthcare Corp | COM NEW | 202,590 | $10.5M | 0.4% | – | – | History |
| TGTXTG Therapeutics, Inc. | COM | 217,631 | $10.5M | 0.4% | – | – | History |
| AMBAAmbarella Inc | SHS | 103,030 | $10.3M | 0.4% | – | – | History |
| MGNIMagnite, Inc. | COM | 245,191 | $10.2M | 0.4% | – | – | History |
| BLMNBloomin' Brands, Inc. | COM | 373,915 | $10.1M | 0.4% | – | – | History |
| CLHClean Harbors Inc | COM | 119,480 | $10.0M | 0.4% | – | – | History |
| ROCKGibraltar Industries, Inc. | COM | 107,484 | $9.84M | 0.4% | – | – | History |
| DYDycom Industries Inc | COM | 105,313 | $9.78M | 0.4% | – | – | History |
| RCMR1 RCM Holdco Inc. | COM | 385,980 | $9.53M | 0.3% | – | – | History |
| SHYFShyft Group, Inc. | COM | 253,201 | $9.42M | 0.3% | – | – | History |
| WWEWorld Wrestling Entertainment, LLC | CL A | 172,553 | $9.36M | 0.3% | – | – | History |
| CRNCCerence Inc. | COM | 104,471 | $9.36M | 0.3% | – | – | History |
| SONOSonos Inc | COM | 248,310 | $9.30M | 0.3% | – | – | History |
| AVNTAvient Corp | COM | 187,796 | $8.88M | 0.3% | – | – | History |
| VSATViasat Inc | COM | 179,740 | $8.64M | 0.3% | – | – | History |
| EGHT8X8 Inc | COM | 264,105 | $8.57M | 0.3% | – | – | History |
| MYGNMyriad Genetics Inc | COM | 279,035 | $8.50M | 0.3% | – | – | History |
| KRNTKornit Digital Ltd. | SHS | 85,495 | $8.47M | 0.3% | – | – | History |
| NVEENV5 Global, Inc. | COM | 86,407 | $8.34M | 0.3% | – | – | History |
| STRLSterling Infrastructure, Inc. | COM | 352,745 | $8.18M | 0.3% | – | – | History |
| FLYYSpirit Aviation Holdings, Inc. | COM | 221,015 | $8.15M | 0.3% | – | – | History |