Castleark Management LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 17, 2025), Castleark Management LLC reported 284 stock positions worth $3.6 billion. Its top holding was Castleark Large Growth ETF (CARK) at 9.0% of the portfolio, followed by Nvidia (NVDA, 7.2%) and Microsoft (MSFT, 5.3%). Compared with Q2 2025, it opened 60 new positions, sold out of 51, added to 78 and reduced 55. The biggest buy was a new position in Broadcom (AVGO) and the biggest sale Philip Morris International (PM, shares −85%).
- Most Recent 13F
- Q2 2026
- Location
- CHICAGO, IL
- CIK
- 0001106832
- Portfolio Value
- $3.6B (Q3 2025)
- SEC Filing
- 0001106832-25-000008 ↗ filed Nov 17, 2025
Holdings Value
Holdings 284 stocks · $3.6B
| CARK Castleark Large Growth ETF | 9.03% | 7,383,950 | $322.1M | Reduce -12.6% |
| NVDA Nvidia Corp. | 7.21% | 1,377,516 | $257.0M | Reduce -2.9% |
| MSFT Microsoft Corp. | 5.25% | 361,604 | $187.3M | Reduce -2.8% |
| META Meta Platforms Inc. Class A | 3.03% | 147,375 | $108.2M | Reduce -3.5% |
| AAPL Apple Inc. | 2.71% | 380,021 | $96.8M | Reduce -3.4% |
| GOOGL Alphabet Inc. Class A | 2.55% | 373,879 | $90.9M | Reduce -3.5% |
| AMZN Amazon.com Inc. | 2.40% | 390,607 | $85.8M | Reduce -34.8% |
| SPIB SS SPDR P Int C Corp. ETF | 2.39% | 2,519,370 | $85.4M | No change |
| VMBS Vanguard Mortgage-Backed Sec | 2.25% | 1,705,540 | $80.1M | No change |
| GOVT iShares US Treasury Bond ETF | 2.11% | 3,258,099 | $75.3M | No change |
| AVGO Broadcom Inc. | 1.90% | 205,886 | $67.9M | New |
| LRCX Lam Research Corp. | 1.89% | 504,120 | $67.5M | Reduce -3.5% |
| NFLX Netflix Inc. | 1.85% | 54,948 | $65.9M | Reduce -14.2% |
| ANET Arista Networks Inc. | 1.64% | 402,479 | $58.6M | Reduce -51.1% |
| SCHW Schwab (charles) Corp. | 1.64% | 611,674 | $58.4M | Add +78.7% |
| MA Mastercard Inc. Class A | 1.60% | 100,329 | $57.1M | Reduce -23.4% |
| V Visa Inc. Class A | 1.60% | 167,090 | $57.0M | Reduce -23.0% |
| SHOP Shopify Inc. Class A | 1.41% | 338,244 | $50.3M | Add +15.1% |
| NOW ServiceNow Inc. | 1.37% | 52,978 | $48.8M | Reduce -16.4% |
| BX Blackstone Inc. | 1.15% | 239,174 | $40.9M | Add +15.1% |
| SPTS SS SPDR P St Term TSY ETF | 1.10% | 1,334,080 | $39.1M | No change |
| LLY Eli Lilly & Co. | 0.95% | 44,553 | $34.0M | Reduce -3.5% |
| SNOW Snowflake Inc. | 0.94% | 148,110 | $33.4M | Reduce -3.5% |
| EFA iShares MSCI Eafe ETF | 0.91% | 347,580 | $32.5M | No change |
| MCHP Microchip Technology Inc. | 0.85% | 472,344 | $30.3M | Add +233.3% |
| GEV GE Vernova Inc. | 0.80% | 46,573 | $28.6M | Add +854.4% |
| TLH iShares 10-20 Year Treasury | 0.75% | 258,432 | $26.6M | No change |
| UBER Uber Technologies Inc. | 0.71% | 257,268 | $25.2M | Add +179.4% |
| SPOT Spotify Technology SA | 0.64% | 32,751 | $22.9M | Reduce -3.5% |
| DXCM Dexcom Inc. | 0.57% | 300,249 | $20.2M | Reduce -3.6% |
| MBB iShares MBS ETF | 0.53% | 196,905 | $18.7M | No change |
| VRT Vertiv Holdings Co. Class A | 0.52% | 122,201 | $18.4M | New |
| VCLT Vanguard Long-Term Corp. Bond | 0.51% | 236,450 | $18.4M | No change |
| JPM JPMorgan Chase & Co. | 0.47% | 53,365 | $16.8M | Add +58.3% |
| KTOS Kratos Defense & Security | 0.46% | 180,954 | $16.5M | Add +3.9% |
| XRT SS SPDR S&P Retail ETF | 0.45% | 188,220 | $16.2M | Add +19.5% |
| ETN Eaton Corp. PLC | 0.45% | 43,052 | $16.1M | Add +16458.5% |
| GE General Electric filed as GE AEROSPACE | 0.44% | 52,740 | $15.9M | Add +84.2% |
| GILD Gilead Sciences Inc. | 0.44% | 141,032 | $15.7M | Add +2545.0% |
| PODD Insulet Corp. | 0.44% | 50,497 | $15.6M | Add +5.9% |
| TSM Taiwan Semiconductor-SP ADR | 0.44% | 55,610 | $15.5M | No change |
| HD Home Depot Inc. | 0.42% | 37,270 | $15.1M | Add +1520.4% |
| ADI Analog Devices Inc. | 0.41% | 59,476 | $14.6M | New |
| WMT Walmart Inc. | 0.41% | 141,260 | $14.6M | Add +65.2% |
| CEG Constellation Energy | 0.41% | 44,030 | $14.5M | Add +93.6% |
| LNG Cheniere Energy Inc. | 0.40% | 61,301 | $14.4M | Reduce -3.4% |
| ORCL Oracle Corp. | 0.40% | 51,200 | $14.4M | New |
| MS Morgan Stanley | 0.40% | 90,240 | $14.3M | Add +17.9% |
| BE Bloom Energy Corp. Class A | 0.40% | 169,125 | $14.3M | Add +2179.3% |
| IGIB iShares 5-10Y Inv Grade Corp. | 0.39% | 259,994 | $14.1M | No change |
| AVAV Aerovironment Inc. | 0.37% | 42,313 | $13.3M | Add +42.7% |
| DAL Delta Air Lines Inc. | 0.37% | 229,490 | $13.0M | New |
| RMBS Rambus Inc. | 0.32% | 110,838 | $11.5M | Reduce -3.4% |
| LGND Ligand Pharmaceuticals | 0.32% | 64,676 | $11.5M | New |
| STRL Sterling Infrastructure Inc. | 0.31% | 32,910 | $11.2M | Add +14.5% |
| BKNG Booking Holdings Inc. | 0.31% | 2,060 | $11.1M | Add +89.0% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.31% | 76,940 | $11.1M | Reduce -12.2% |
| LIF LIFE360 Inc. | 0.30% | 100,802 | $10.7M | Add +19.2% |
| LITE Lumentum Holdings Inc. | 0.30% | 65,823 | $10.7M | Add +3.9% |
| RACE Ferrari NV | 0.30% | 22,000 | $10.7M | Add +2.1% |
| EVR Evercore Inc. Class A | 0.29% | 31,086 | $10.5M | Add +13.4% |
| EYE National Vision Holdings Inc. | 0.29% | 352,276 | $10.3M | Add +37.9% |
| IRTC Irhythm Holdings Inc. | 0.28% | 58,393 | $10.0M | Add +21.2% |
| GH Guardant Health Inc. | 0.28% | 160,073 | $10.0M | Add +31.7% |
| VST Vistra Corp. | 0.28% | 50,910 | $10.0M | Reduce -2.8% |
| SF Stifel Financial Corp. | 0.28% | 87,670 | $9.9M | Add +3.9% |
| GTES Gates Industrial Corp. UK Ltd. | 0.28% | 398,452 | $9.9M | Add +3.9% |
| SITM Sitime Corp. | 0.28% | 32,584 | $9.8M | Add +3.9% |
| PNC PNC Financial Services Group | 0.27% | 48,240 | $9.7M | New |
| IDCC Interdigital Inc. | 0.27% | 28,066 | $9.7M | Reduce -13.5% |
| PIPR Piper Sandler Cos | 0.27% | 27,846 | $9.7M | New |
| EXE Expand Energy Corp. | 0.27% | 89,240 | $9.5M | No change |
| SPXC SPX Technologies Inc. | 0.25% | 48,477 | $9.1M | Add +4.0% |
| XMTR Xometry Inc. Class A | 0.25% | 163,948 | $8.9M | Add +27.6% |
| MPC Marathon Petroleum Corp. | 0.25% | 46,258 | $8.9M | Add +1878.5% |
| DY Dycom Industries Inc. | 0.25% | 30,026 | $8.8M | New |
| GENI Genius Sports Ltd. | 0.24% | 704,666 | $8.7M | Add +4.0% |
| FN Fabrinet | 0.24% | 23,797 | $8.7M | Reduce -25.4% |
| NXT Nextpower Inc. filed as NEXTRACKER INC | 0.24% | 117,054 | $8.7M | Add +2333.6% |
| PLNT Planet Fitness Inc. Class A | 0.24% | 82,515 | $8.6M | Add +3.5% |
| ASND Ascendis Pharma A/S | 0.24% | 42,656 | $8.5M | New |
| TLT iShares 20+ Year Treasury BD | 0.24% | 94,540 | $8.4M | No change |
| XTL SS SPDR S&P Telecom ETF | 0.23% | 59,740 | $8.4M | New |
| SIG Signet Jewelers Ltd. | 0.23% | 86,758 | $8.3M | Add +3.9% |
| AEIS Advanced Energy Industries | 0.23% | 47,713 | $8.1M | Add +4.0% |
| XBI SS SPDR S&P Biotech ETF | 0.23% | 80,890 | $8.1M | New |
| PM Philip Morris International | 0.23% | 49,855 | $8.1M | Reduce -85.2% |
| AMSC American Superconductor Corp. | 0.23% | 135,617 | $8.1M | Add +24.2% |
| HCI Hci Group Inc. | 0.22% | 41,285 | $7.9M | Add +3.7% |
| C Citigroup Inc. | 0.22% | 77,944 | $7.9M | Reduce -41.9% |
| CELH Celsius Holdings Inc. | 0.22% | 137,502 | $7.9M | Add +19.2% |
| RCL Royal Caribbean Cruises Ltd. | 0.22% | 24,310 | $7.9M | Reduce -31.7% |
| MRCY Mercury Systems Inc. | 0.22% | 101,468 | $7.9M | Add +9.3% |
| CECO Ceco Environmental Corp. | 0.22% | 153,385 | $7.9M | New |
| SEI Solaris Energy Infrastructur | 0.22% | 193,926 | $7.8M | Add +151.8% |
| CAT Caterpillar Inc. | 0.22% | 16,230 | $7.7M | New |
| WGS Genedx Holdings Corp. | 0.22% | 71,786 | $7.7M | New |
| TPB Turning Point Brands Inc. | 0.22% | 77,954 | $7.7M | Reduce -17.9% |
| FTI Technipfmc PLC | 0.22% | 195,136 | $7.7M | Reduce -10.1% |
| EQT Eqt Corp. | 0.21% | 140,485 | $7.6M | Add +42.8% |
Portfolio Sells Q2 2025 → Q3 2025
| PM Philip Morris International | Reduce -85.2% | 0.23% | −1.62 |
| AMZN Amazon.com Inc. | Reduce -34.8% | 2.40% | −1.54 |
| ISRG Intuitive Surgical Inc. | Reduce -98.7% | 0.01% | −1.48 |
| CARK Castleark Large Growth ETF | Reduce -12.6% | 9.03% | −1.44 |
| TT Trane Technologies PLC | Sold out | 0.00% | −1.03 |
| ANET Arista Networks Inc. | Reduce -51.1% | 1.64% | −0.89 |
| NFLX Netflix Inc. | Reduce -14.2% | 1.85% | −0.73 |
| V Visa Inc. Class A | Reduce -23.0% | 1.60% | −0.72 |
| MA Mastercard Inc. Class A | Reduce -23.4% | 1.60% | −0.61 |
| NOW ServiceNow Inc. | Reduce -16.4% | 1.37% | −0.59 |
| FICO Fair Isaac Corp. | Sold out | 0.00% | −0.49 |
| VRNA Verona Pharma Ltd. | Sold out | 0.00% | −0.43 |
| META Meta Platforms Inc. Class A | Reduce -3.5% | 3.03% | −0.35 |
| MSFT Microsoft Corp. | Reduce -2.8% | 5.25% | −0.31 |
| ODFL Old Dominion Freight Line | Sold out | 0.00% | −0.29 |
| LPLA LPL Financial Holdings Inc. | Sold out | 0.00% | −0.25 |
| DXCM Dexcom Inc. | Reduce -3.6% | 0.57% | −0.25 |
| ALKT Alkami Technology Inc. | Sold out | 0.00% | −0.24 |
| HQY Healthequity Inc. | Sold out | 0.00% | −0.24 |
| LAD Lithia Motors Inc. | Sold out | 0.00% | −0.23 |
| BROS Dutch Bros Inc. Class A | Sold out | 0.00% | −0.23 |
| CLS Celestica Inc. | Reduce -97.6% | 0.01% | −0.23 |
| PGR Progressive Corp. | Sold out | 0.00% | −0.22 |
| RBC RBC Bearings Inc. | Sold out | 0.00% | −0.22 |
| IAK iShares U.S. Insurance ETF | Sold out | 0.00% | −0.22 |
| WAY Waystar Holding Corp. | Sold out | 0.00% | −0.22 |
| PAR Par Technology Corp. | Sold out | 0.00% | −0.22 |
| UTI Universal Technical Institut | Sold out | 0.00% | −0.21 |
| CWST Casella Waste Systems Inc. Class A | Sold out | 0.00% | −0.20 |
| CYBR Cyberark Software Ltd./Israel | Sold out | 0.00% | −0.20 |
| KD Kyndryl Holdings Inc. | Sold out | 0.00% | −0.20 |
| FLR Fluor Corp. | Sold out | 0.00% | −0.20 |
| DE Deere & Co. | Reduce -72.0% | 0.06% | −0.19 |
| AVPT Avepoint Inc. | Sold out | 0.00% | −0.18 |
| CORZ Core Scientific Inc. | Reduce -79.0% | 0.05% | −0.18 |
| PEN Penumbra Inc. | Reduce -93.0% | 0.01% | −0.18 |
| LTH Life Time Group Holdings Inc. | Sold out | 0.00% | −0.18 |
| NTRA Natera Inc. | Sold out | 0.00% | −0.18 |
| RDNT Radnet Inc. | Sold out | 0.00% | −0.16 |
| PAY Paymentus Holdings Inc. Class A | Sold out | 0.00% | −0.16 |
| QTWO Q2 Holdings Inc. | Sold out | 0.00% | −0.16 |
| FOUR SHIFT4 Payments Inc. Class A | Sold out | 0.00% | −0.16 |
| OI O-I Glass Inc. | Sold out | 0.00% | −0.15 |
| RRC Range Resources Corp. | Reduce -53.8% | 0.10% | −0.15 |
| OPCH Option Care Health Inc. | Sold out | 0.00% | −0.14 |
| SPOT Spotify Technology SA | Reduce -3.5% | 0.64% | −0.14 |
| MOD Modine Manufacturing Co. | Sold out | 0.00% | −0.14 |
| CNK Cinemark Holdings Inc. | Sold out | 0.00% | −0.13 |
| MANH Manhattan Associates Inc. | Reduce -90.4% | 0.01% | −0.13 |
| CRS Carpenter Technology | Reduce -91.7% | 0.01% | −0.13 |
Portfolio Buys Q2 2025 → Q3 2025
| AVGO Broadcom Inc. | New | 1.90% | +1.90 |
| GEV GE Vernova Inc. | Add +854.4% | 0.80% | +0.73 |
| SCHW Schwab (charles) Corp. | Add +78.7% | 1.64% | +0.70 |
| MCHP Microchip Technology Inc. | Add +233.3% | 0.85% | +0.55 |
| VRT Vertiv Holdings Co. Class A | New | 0.52% | +0.52 |
| ETN Eaton Corp. PLC | Add +16458.5% | 0.45% | +0.45 |
| UBER Uber Technologies Inc. | Add +179.4% | 0.71% | +0.45 |
| GILD Gilead Sciences Inc. | Add +2545.0% | 0.44% | +0.42 |
| ADI Analog Devices Inc. | New | 0.41% | +0.41 |
| ORCL Oracle Corp. | New | 0.40% | +0.40 |
| HD Home Depot Inc. | Add +1520.4% | 0.42% | +0.40 |
| BE Bloom Energy Corp. Class A | Add +2179.3% | 0.40% | +0.40 |
| SHOP Shopify Inc. Class A | Add +15.1% | 1.41% | +0.39 |
| DAL Delta Air Lines Inc. | New | 0.37% | +0.37 |
| LGND Ligand Pharmaceuticals | New | 0.32% | +0.32 |
| PNC PNC Financial Services Group | New | 0.27% | +0.27 |
| PIPR Piper Sandler Cos | New | 0.27% | +0.27 |
| DY Dycom Industries Inc. | New | 0.25% | +0.25 |
| MPC Marathon Petroleum Corp. | Add +1878.5% | 0.25% | +0.24 |
| ASND Ascendis Pharma A/S | New | 0.24% | +0.24 |
| NXT Nextpower Inc. | Add +2333.6% | 0.24% | +0.23 |
| XTL SS SPDR S&P Telecom ETF | New | 0.23% | +0.23 |
| XBI SS SPDR S&P Biotech ETF | New | 0.23% | +0.23 |
| GE General Electric | Add +84.2% | 0.44% | +0.22 |
| KTOS Kratos Defense & Security | Add +3.9% | 0.46% | +0.22 |
| CECO Ceco Environmental Corp. | New | 0.22% | +0.22 |
| CAT Caterpillar Inc. | New | 0.22% | +0.22 |
| WGS Genedx Holdings Corp. | New | 0.22% | +0.22 |
| AIR Aar Corp. | New | 0.21% | +0.21 |
| BX Blackstone Inc. | Add +15.1% | 1.15% | +0.21 |
| RKT Rocket Cos Inc. Class A | New | 0.21% | +0.21 |
| TTMI TTM Technologies | New | 0.21% | +0.21 |
| JBTM JBT Marel Corp. | New | 0.20% | +0.20 |
| CEG Constellation Energy | Add +93.6% | 0.41% | +0.19 |
| XHB SS SPDR S&P Homebldrs ETF | New | 0.18% | +0.18 |
| SSD Simpson Manufacturing Co. Inc. | New | 0.18% | +0.18 |
| URI United Rentals Inc. | New | 0.18% | +0.18 |
| SANM Sanmina Corp. | New | 0.18% | +0.18 |
| AXON Axon Enterprise Inc. | Add +1751.3% | 0.19% | +0.18 |
| PRCH Porch Group Inc. | New | 0.18% | +0.18 |
| JPM JPMorgan Chase & Co. | Add +58.3% | 0.47% | +0.18 |
| HOOD Robinhood Markets Inc. Class A | Add +349.8% | 0.21% | +0.18 |
| ZETA Zeta Global Holdings Corp. Class A | Add +593.6% | 0.20% | +0.17 |
| KNSA Kiniksa Pharmaceuticals Inte | New | 0.17% | +0.17 |
| FAST Fastenal Co. | Add +1776.0% | 0.18% | +0.17 |
| VC Visteon Corp. | New | 0.16% | +0.16 |
| FIVE Five Below | New | 0.16% | +0.16 |
| WMT Walmart Inc. | Add +65.2% | 0.41% | +0.16 |
| NCNO Ncino Inc. | New | 0.15% | +0.15 |
| SEI Solaris Energy Infrastructur | Add +151.8% | 0.22% | +0.15 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 309 | $3.7B | NVDA, GOOGL, AAPL, LRCX, MSFT |
| Q1 2026 | 292 | $3.0B | NVDA, GOOGL, MSFT, SPIB, AAPL |
| Q4 2025 | 294 | $3.4B | NVDA, MSFT, GOOGL, AMZN, AAPL |
| Q3 2025 | 284 | $3.6B | CARK, NVDA, MSFT, META, AAPL |
| Q2 2025 | 275 | $3.3B | CARK, NVDA, MSFT, AMZN, META |
| Q1 2025 | 280 | $2.9B | CARK, AAPL, NVDA, AMZN, MSFT |
| Q4 2024 | 283 | $2.9B | AAPL, NVDA, MSFT, SPIB, AMZN |
| Q3 2024 | 272 | $2.5B | MSFT, NVDA, AAPL, AMZN, GOOGL |
| Q2 2024 | 271 | $2.4B | NVDA, MSFT, AAPL, AMZN, GOOGL |
| Q1 2024 | 278 | $2.4B | MSFT, NVDA, AAPL, AMZN, META |