Castleark Management LLC
- SEC CIK
- 0001106832
- Latest filing
- Aug 14, 2026
Holdings in Q2 2023
Holdings as of Jun 30, 2023, filed Aug 16, 2023. Long positions only; changes compare share counts with Q1 2023.
- Positions
- 274
- +2 vs. Q1 2023
- Portfolio value
- $2.21B
- +$172.1M (+8.5%) vs. Q1 2023
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| SGRYSurgery Partners, Inc. | Stock | 140,990 | $6.34M | 0.3% | +140,990 | New | History |
| FOURShift4 Payments, Inc. | CL A | 94,140 | $6.39M | 0.3% | −29,730−24.0% | Reduced | History |
| BYDBoyd Gaming Corp | COM | 93,350 | $6.48M | 0.3% | −970−1.0% | Reduced | History |
| BRBRBellring Brands, Inc. | Stock | 179,960 | $6.59M | 0.3% | −1,610−0.9% | Reduced | History |
| MYRGMyr Group Inc. | COM | 48,150 | $6.66M | 0.3% | +21,260+79.1% | Added | History |
| TTEKTetra Tech Inc | COM | 41,500 | $6.80M | 0.3% | −370−0.9% | Reduced | History |
| AXTAAxalta Coating Systems Ltd. | COM | 207,940 | $6.82M | 0.3% | +10,350+5.2% | Added | History |
| ATECAlphatec Holdings, Inc. | COM NEW | 380,590 | $6.84M | 0.3% | +146,030+62.3% | Added | History |
| iShares MSCI Acwi Ex U.S. ETF464288240 | ETF | 139,850 | $6.88M | 0.3% | 00.0% | Unchanged | – |
| IRDMIridium Communications Inc. | COM | 112,770 | $7.01M | 0.3% | +12,480+12.4% | Added | History |
| FLYWFlywire Corp | COM VTG | 227,120 | $7.05M | 0.3% | +5,760+2.6% | Added | History |
| FIVEFive Below, Inc | COM | 35,910 | $7.06M | 0.3% | −330−0.9% | Reduced | History |
| VCVisteon Corp | COM NEW | 49,580 | $7.12M | 0.3% | −440−0.9% | Reduced | History |
| IBPInstalled Building Products, Inc. | COM | 51,000 | $7.15M | 0.3% | +51,000 | New | History |
| MTZMastec Inc | COM | 61,080 | $7.21M | 0.3% | −4,350−6.6% | Reduced | History |
| PENPenumbra Inc | COM | 21,130 | $7.27M | 0.3% | −4,100−16.3% | Reduced | History |
| BCOBrinks Co | COM | 107,600 | $7.30M | 0.3% | +37,300+53.1% | Added | History |
| JPMJPMorgan Chase & Co | Stock | 51,730 | $7.52M | 0.3% | +51,730 | New | History |
| SUMSummit Materials, Inc. | CL A | 209,446 | $7.93M | 0.4% | +64,190+44.2% | Added | History |
| PNRPENTAIR plc | SHS | 123,090 | $7.95M | 0.4% | +123,090 | New | History |
| KBRKBR, Inc. | COM | 124,566 | $8.10M | 0.4% | −1,120−0.9% | Reduced | History |
| MMSMaximus, Inc. | COM | 100,420 | $8.49M | 0.4% | +10,810+12.1% | Added | History |
| DVDoubleVerify Holdings, Inc. | COM | 221,480 | $8.62M | 0.4% | −1,990−0.9% | Reduced | History |
| FTITechnipFMC plc | COM | 526,240 | $8.75M | 0.4% | +63,030+13.6% | Added | History |
| iShares U.S. Medical Devices ETF464288810 | ETF | 157,940 | $8.92M | 0.4% | +157,940 | New | – |
| SMCISuper Micro Computer, Inc. | COM | 35,860 | $8.94M | 0.4% | +35,860 | New | History |
| MSMorgan Stanley | Stock | 105,960 | $9.05M | 0.4% | 00.0% | Unchanged | History |
| PHMPultegroup Inc | COM | 117,400 | $9.12M | 0.4% | −12,180−9.4% | Reduced | History |
| AMDAdvanced Micro Devices Inc | Stock | 80,110 | $9.13M | 0.4% | +80,110 | New | History |
| RMBSRambus Inc | COM | 149,700 | $9.61M | 0.4% | +83,430+125.9% | Added | History |
| iShares Tr464288752 | US HOME CONS ETF | 113,590 | $9.71M | 0.4% | +113,590 | New | – |
| MANHManhattan Associates Inc | Stock | 48,720 | $9.74M | 0.4% | −6,340−11.5% | Reduced | History |
| WINGWingstop Inc. | COM | 49,400 | $9.89M | 0.4% | −5,490−10.0% | Reduced | History |
| INSPInspire Medical Systems, Inc. | COM | 32,190 | $10.5M | 0.5% | −7,260−18.4% | Reduced | History |
| State Street SPDR S&P Homebuilders ETF78464A888 | ETF | 132,200 | $10.6M | 0.5% | 00.0% | Unchanged | – |
| ORCLOracle Corp | Stock | 92,070 | $11.0M | 0.5% | +92,070 | New | History |
| ATIAti Inc | Stock | 248,230 | $11.0M | 0.5% | −22,450−8.3% | Reduced | History |
| TMDXTransMedics Group, Inc. | COM | 132,535 | $11.1M | 0.5% | +1,260+1.0% | Added | History |
| ALGNAlign Technology Inc | COM | 31,830 | $11.3M | 0.5% | +31,830 | New | History |
| APGAPi Group Corp | COM STK | 415,303 | $11.3M | 0.5% | −3,710−0.9% | Reduced | History |
| XOMExxonMobil Holdings Corp | COM | 109,430 | $11.7M | 0.5% | −108,980−49.9% | Reduced | History |
| State Street SPDR S&P Biotech ETF78464A870 | ETF | 143,110 | $11.9M | 0.5% | +143,110 | New | – |
| CELHCelsius Holdings, Inc. | COM NEW | 84,350 | $12.6M | 0.6% | +120+0.1% | Added | History |
| iShares Inc46434G822 | MSCI JAPAN ETF | 222,650 | $13.8M | 0.6% | −222,650−50.0% | Reduced | – |
| SPDR Series Trust78464A714 | ST STR SP RETAIL | 221,940 | $14.1M | 0.6% | +84,920+62.0% | Added | – |
| GLDSPDR Gold Trust | ETF | 79,475 | $14.2M | 0.6% | −9,820−11.0% | Reduced | History |
| SLBSLB Limited | Stock | 303,780 | $14.9M | 0.7% | −372,560−55.1% | Reduced | History |
| DEDeere & Co | Stock | 40,090 | $16.2M | 0.7% | +100+0.3% | Added | History |
| ADBEAdobe Inc. | Stock | 36,435 | $17.8M | 0.8% | +3,650+11.1% | Added | History |
| MSCIMSCI Inc. | Stock | 39,825 | $18.7M | 0.8% | +110+0.3% | Added | History |
| UNHUnitedHealth Group Inc | Stock | 39,910 | $19.2M | 0.9% | −49,090−55.2% | Reduced | History |
| SPDR Series Trust78468R556 | SP O&G EXPL PRO | 161,360 | $20.8M | 0.9% | +161,360 | New | – |
| ELEstee Lauder Companies Inc | CL A | 113,210 | $22.2M | 1.0% | −31,190−21.6% | Reduced | History |
| iShares Tr464287234 | MSCI EMG MKT ETF | 662,100 | $26.2M | 1.2% | −660,110−49.9% | Reduced | – |
| iShares MSCI Eafe ETF464287465 | ETF | 364,410 | $26.4M | 1.2% | 00.0% | Unchanged | – |
| ISRGIntuitive Surgical Inc | COM NEW | 93,770 | $32.1M | 1.5% | +35,580+61.1% | Added | History |
| LULUlululemon athletica inc. | Stock | 87,298 | $33.0M | 1.5% | +34,580+65.6% | Added | History |
| ASMLASML Holding NV | ADR | 47,200 | $34.2M | 1.5% | +130+0.3% | Added | History |
| SYKStryker Corp | Stock | 122,120 | $37.3M | 1.7% | +44,760+57.9% | Added | History |
| LRCXLam Research Corp | COM | 58,605 | $37.7M | 1.7% | +130+0.2% | Added | History |
| METAMeta Platforms, Inc. | Stock | 154,739 | $44.4M | 2.0% | +154,130+25,308.7% | Added | History |
| VVisa Inc. | Stock | 200,075 | $47.5M | 2.2% | −50,690−20.2% | Reduced | History |
| State Street Industrial Select Sector SPDR ETF81369Y704 | ETF | 447,010 | $48.0M | 2.2% | 00.0% | Unchanged | – |
| AMZNAmazon Com Inc | Stock | 384,700 | $50.1M | 2.3% | +213,610+124.9% | Added | History |
| NKENIKE, Inc. | Stock | 460,080 | $50.8M | 2.3% | +81,900+21.7% | Added | History |
| LVSLas Vegas Sands Corp | COM | 979,539 | $56.8M | 2.6% | +2,600+0.3% | Added | History |
| LLYEli Lilly & Co | Stock | 122,865 | $57.6M | 2.6% | +290+0.2% | Added | History |
| DXCMDexcom Inc | COM | 453,280 | $58.3M | 2.6% | +1,130+0.2% | Added | History |
| GOOGLAlphabet Inc. | Stock | 546,730 | $65.4M | 3.0% | +1,390+0.3% | Added | History |
| NOWServiceNow, Inc. | Stock | 119,540 | $67.2M | 3.0% | +300+0.3% | Added | History |
| MAMastercard Inc | Stock | 187,007 | $73.5M | 3.3% | −18,670−9.1% | Reduced | History |
| NVDANVIDIA Corp | Stock | 219,148 | $92.7M | 4.2% | +540+0.2% | Added | History |
| AAPLApple Inc. | Stock | 650,085 | $126.1M | 5.7% | −2,540−0.4% | Reduced | History |
| MSFTMicrosoft Corp | Stock | 409,280 | $139.4M | 6.3% | +112,680+38.0% | Added | History |
Sold out since Q1 2023 (52)
Positions held at the end of Q1 2023 that are gone from this filing.
| Security | Class | Shares in Q1 2023 | Value in Q1 2023 | % of portfolio in Q1 2023 | History |
|---|---|---|---|---|---|
| ULTAUlta Beauty, Inc. | Stock | 70,580 | $38.5M | 1.9% | History |
| PYPLPayPal Holdings, Inc. | Stock | 403,500 | $30.6M | 1.5% | History |
| State Street SPDR S&P Regional Banking ETF78464A698 | ETF | 325,000 | $14.3M | 0.7% | – |
| UNPUnion Pacific Corp | Stock | 54,205 | $10.9M | 0.5% | History |
| WSCWillScot Holdings Corp | COM CL A | 174,174 | $8.17M | 0.4% | History |
| PLNTPlanet Fitness, Inc. | CL A | 92,850 | $7.21M | 0.4% | History |
| PDPagerDuty, Inc. | COM | 192,360 | $6.73M | 0.3% | History |
| MASIMasimo Corp | COM | 35,240 | $6.50M | 0.3% | History |
| EXLSExlService Holdings, Inc. | COM | 38,760 | $6.27M | 0.3% | History |
| BOXBox Inc | CL A | 227,950 | $6.11M | 0.3% | History |
| XPOFXponential Fitness, Inc. | COM CL A | 198,469 | $6.03M | 0.3% | History |
| FOXFFox Factory Holding Corp | COM | 49,120 | $5.96M | 0.3% | History |
| PIImpinj Inc | COM | 42,665 | $5.78M | 0.3% | History |
| MODNModel N, Inc. | COM | 170,397 | $5.70M | 0.3% | History |
| AYXAlteryx, Inc. | COM CL A | 96,830 | $5.70M | 0.3% | History |
| EVHEvolent Health, Inc. | CL A | 168,180 | $5.46M | 0.3% | History |
| BOOTBoot Barn Holdings, Inc. | COM | 68,850 | $5.28M | 0.3% | History |
| CERTCertara, Inc. | COM | 214,620 | $5.17M | 0.3% | History |
| QRVOQorvo, Inc. | Stock | 50,050 | $5.08M | 0.2% | History |
| DOCNDigitalOcean Holdings, Inc. | COM | 127,270 | $4.99M | 0.2% | History |
| HLIHoulihan Lokey, Inc. | CL A | 55,450 | $4.85M | 0.2% | History |
| OPCHOption Care Health, Inc. | COM NEW | 152,055 | $4.83M | 0.2% | History |
| SLABSilicon Laboratories Inc. | Stock | 26,560 | $4.65M | 0.2% | History |
| CALYCallaway Golf Co | COM | 207,870 | $4.49M | 0.2% | History |
| DECKDeckers Outdoor Corp | COM | 9,740 | $4.38M | 0.2% | History |
| ZDZiff Davis, Inc. | COM | 53,040 | $4.14M | 0.2% | History |
| SUPNSupernus Pharmaceuticals, Inc. | COM | 110,880 | $4.02M | 0.2% | History |
| SGISomnigroup International Inc. | COM | 99,090 | $3.91M | 0.2% | History |
| VRTVertiv Holdings Co | COM CL A | 258,350 | $3.70M | 0.2% | History |
| SILKSilk Road Medical Inc | COM | 94,470 | $3.70M | 0.2% | History |
| QDELQuidelOrtho Corp | COM | 39,330 | $3.50M | 0.2% | History |
| AGYSAgilysys Inc | COM | 41,747 | $3.44M | 0.2% | History |
| ANFAbercrombie & Fitch Co | CL A | 123,060 | $3.41M | 0.2% | History |
| TEXTerex Corp | Stock | 67,070 | $3.24M | 0.2% | History |
| DCPDCP Midstream, LP | COM UT LTD PTN | 67,875 | $2.83M | 0.1% | History |
| AMBAAmbarella Inc | SHS | 36,340 | $2.81M | 0.1% | History |
| ABGAsbury Automotive Group Inc | COM | 12,750 | $2.68M | 0.1% | History |
| SYNASYNAPTICS Inc | Stock | 23,740 | $2.64M | 0.1% | History |
| URBNUrban Outfitters Inc | COM | 93,880 | $2.60M | 0.1% | History |
| APTVAptiv PLC | SHS | 22,000 | $2.47M | 0.1% | History |
| ACMRACM Research, Inc. | Stock | 204,550 | $2.39M | 0.1% | History |
| NOVNOV Inc. | COM | 108,890 | $2.02M | 0.1% | History |
| TXRHTexas Roadhouse, Inc. | COM | 17,340 | $1.87M | 0.1% | History |
| CYTKCytokinetics Inc | COM NEW | 34,625 | $1.22M | 0.1% | History |
| HLITHarmonic Inc. | COM | 76,528 | $1.12M | 0.1% | History |
| CZRCaesars Entertainment, Inc. | COM | 21,330 | $1.04M | 0.1% | History |
| SQMChemical & Mining Co of Chile Inc | SPON ADR SER B | 10,580 | $857.6K | <0.1% | History |
| DKDelek US Holdings, Inc. | COM | 35,410 | $812.7K | <0.1% | History |
| PDDPDD Holdings Inc. | SPONSORED ADS | 7,590 | $576.1K | <0.1% | History |
| ALBAlbemarle Corp | Stock | 2,410 | $532.7K | <0.1% | History |
| OKTAOkta, Inc. | CL A | 5,960 | $514.0K | <0.1% | History |
| Atlantica Sustainable Infr PG0751N103 | SHS | 6,820 | $201.6K | <0.1% | – |