Castleark Management LLC
In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 15, 2024), Castleark Management LLC reported 272 stock positions worth $2.5 billion. Its top holding was Microsoft (MSFT) at 6.8% of the portfolio, followed by Nvidia (NVDA, 6.4%) and Apple (AAPL, 5.5%). Compared with Q2 2024, it opened 42 new positions, sold out of 41, added to 49 and reduced 96. The biggest buy was a new position in Blackstone (BX) and the biggest sale an exit from Dexcom (DXCM).
- Most Recent 13F
- Q2 2026
- Location
- CHICAGO, IL
- CIK
- 0001106832
- Portfolio Value
- $2.5B (Q3 2024)
- SEC Filing
- 0001106832-24-000008 ↗ filed Nov 15, 2024
Holdings Value
Holdings 272 stocks · $2.5B
| MSFT Microsoft Corp. | 6.80% | 387,604 | $166.8M | Reduce -2.7% |
| NVDA Nvidia Corp. | 6.44% | 1,300,398 | $157.9M | Reduce -12.1% |
| AAPL Apple Inc. | 5.51% | 579,699 | $135.1M | Reduce -1.6% |
| AMZN Amazon.com Inc. | 4.18% | 550,255 | $102.5M | Reduce -2.4% |
| GOOGL Alphabet Inc. Class A | 3.25% | 480,009 | $79.6M | Reduce -4.7% |
| META Meta Platforms Inc. Class A | 2.86% | 122,608 | $70.2M | Reduce -1.7% |
| BX Blackstone Inc. | 2.75% | 440,620 | $67.5M | New |
| MA Mastercard Inc. Class A | 2.63% | 130,769 | $64.6M | Reduce -1.7% |
| LLY Eli Lilly & Co. | 2.36% | 65,326 | $57.9M | Reduce -17.0% |
| NOW ServiceNow Inc. | 2.31% | 63,396 | $56.7M | Reduce -1.6% |
| V Visa Inc. Class A | 1.97% | 176,105 | $48.4M | Reduce -1.6% |
| AMAT Applied Materials Inc. | 1.96% | 237,939 | $48.1M | Reduce -1.5% |
| LRCX Lam Research Corp. | 1.86% | 55,979 | $45.7M | Reduce -1.4% |
| UNP Union Pacific Corp. | 1.85% | 184,554 | $45.5M | Reduce -1.5% |
| ISRG Intuitive Surgical Inc. | 1.75% | 87,479 | $43.0M | Reduce -22.7% |
| VRTX Vertex Pharmaceuticals Inc. | 1.57% | 82,725 | $38.5M | Add +76.8% |
| CL Colgate-Palmolive Co. | 1.38% | 325,133 | $33.8M | Add +47.1% |
| NFLX Netflix Inc. | 1.29% | 44,648 | $31.7M | Add +46.3% |
| HD Home Depot Inc. | 1.15% | 69,890 | $28.3M | Add +325.1% |
| TOL Toll Brothers Inc. | 0.96% | 152,950 | $23.6M | New |
| UBER Uber Technologies Inc. | 0.93% | 304,270 | $22.9M | Add +159.0% |
| SBUX Starbucks Corp. | 0.89% | 224,100 | $21.8M | Add +4750.6% |
| ASML ASML Holding NV-NY Reg SHS | 0.84% | 24,627 | $20.5M | Reduce -1.5% |
| MSCI MSCI Inc. | 0.69% | 29,120 | $17.0M | Reduce -1.4% |
| EEM iShares MSCI Emerging Market | 0.66% | 354,240 | $16.2M | Add +180.9% |
| EWJ iShares MSCI Japan ETF | 0.65% | 222,650 | $15.9M | No change |
| SNPS Synopsys Inc. | 0.65% | 31,447 | $15.9M | Reduce -1.5% |
| IWN iShares Russell 2000 Value E | 0.63% | 92,380 | $15.4M | Reduce -43.6% |
| FTAI Ftai Aviation Ltd. | 0.62% | 115,000 | $15.3M | Reduce -3.5% |
| XHB SS SPDR S&P Homebldrs ETF | 0.62% | 121,590 | $15.1M | No change |
| ADMA Adma Biologics Inc. | 0.56% | 692,966 | $13.9M | Reduce -17.3% |
| GLD SPDR Gold Shares | 0.51% | 51,775 | $12.6M | Add +15.1% |
| FTI Technipfmc PLC | 0.50% | 469,280 | $12.3M | Reduce -2.9% |
| XLF SS Financial Select Sector | 0.50% | 271,290 | $12.3M | Add +67.2% |
| ADBE Adobe Inc. | 0.49% | 23,130 | $12.0M | Reduce -1.8% |
| CRS Carpenter Technology | 0.49% | 74,720 | $11.9M | Reduce -3.5% |
| XBI SS SPDR S&P Biotech ETF | 0.47% | 115,580 | $11.4M | Add +130.7% |
| EVR Evercore Inc. Class A | 0.46% | 44,880 | $11.4M | Reduce -3.6% |
| XLRE SS Real Estate Select Sector | 0.46% | 250,070 | $11.2M | New |
| XLV SS Health Care Select Sector | 0.45% | 71,120 | $11.0M | No change |
| BCO The Brink's Co. | 0.44% | 92,770 | $10.7M | Add +5.3% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.42% | 87,660 | $10.3M | No change |
| DHR Danaher Corp. | 0.41% | 36,430 | $10.1M | New |
| KWEB Kranesh Csi China Internet | 0.41% | 295,170 | $10.0M | New |
| RDNT Radnet Inc. | 0.41% | 143,213 | $9.9M | Reduce -3.5% |
| GKOS Glaukos Corp. | 0.39% | 73,830 | $9.6M | Reduce -0.9% |
| JLL Jones Lang Lasalle Inc. | 0.39% | 35,610 | $9.6M | Reduce -3.5% |
| CYBR Cyberark Software Ltd./Israel | 0.39% | 32,930 | $9.6M | Reduce -3.2% |
| TGT Target Corp. | 0.39% | 60,590 | $9.4M | New |
| LNTH Lantheus Holdings Inc. | 0.37% | 83,640 | $9.2M | Add +47.4% |
| NTRA Natera Inc. | 0.37% | 71,400 | $9.1M | Reduce -3.5% |
| TSM Taiwan Semiconductor-SP ADR | 0.36% | 51,180 | $8.9M | Add +50.8% |
| MOD Modine Manufacturing Co. | 0.36% | 66,540 | $8.8M | Reduce -3.5% |
| MS Morgan Stanley | 0.35% | 81,820 | $8.5M | New |
| RACE Ferrari NV | 0.34% | 17,938 | $8.4M | Reduce -4.5% |
| MWA Mueller Water Products Inc. Class A | 0.34% | 384,980 | $8.4M | Add +18.6% |
| TTEK Tetra Tech Inc. | 0.33% | 173,550 | $8.2M | Reduce -3.5% |
| APG Api Group Corp. | 0.33% | 246,863 | $8.2M | Reduce -15.3% |
| PGR Progressive Corp. | 0.33% | 32,060 | $8.1M | New |
| XPO Xpo Inc. | 0.33% | 75,554 | $8.1M | Reduce -3.6% |
| THC Tenet Healthcare Corp. | 0.33% | 48,870 | $8.1M | Reduce -15.9% |
| AXP American Express Co. | 0.33% | 29,905 | $8.1M | Reduce -56.0% |
| ESI Element Solutions Inc. | 0.33% | 297,520 | $8.1M | Reduce -3.5% |
| IAK iShares U.S. Insurance ETF | 0.33% | 62,070 | $8.0M | New |
| ZETA Zeta Global Holdings Corp. Class A | 0.33% | 267,380 | $8.0M | Reduce -3.5% |
| GDX Vaneck Gold Miners ETF | 0.32% | 198,580 | $7.9M | New |
| KD Kyndryl Holdings Inc. | 0.32% | 337,970 | $7.8M | Add +4.5% |
| TMDX Transmedics Group Inc. | 0.31% | 49,170 | $7.7M | Add +14.6% |
| KNF Knife River Corp. | 0.31% | 85,690 | $7.7M | Reduce -3.5% |
| WIX Wix.com Ltd. | 0.31% | 45,300 | $7.6M | Reduce -3.5% |
| PI Impinj Inc. | 0.30% | 34,196 | $7.4M | Add +11.8% |
| HAS Hasbro Inc. | 0.30% | 100,840 | $7.3M | Add +30.4% |
| DY Dycom Industries Inc. | 0.30% | 36,880 | $7.3M | New |
| SF Stifel Financial Corp. | 0.29% | 76,830 | $7.2M | Reduce -3.5% |
| APPF Appfolio Inc. Class A | 0.29% | 30,490 | $7.2M | Reduce -3.5% |
| VRNS Varonis Systems Inc. | 0.29% | 125,620 | $7.1M | Reduce -5.4% |
| IBP Installed Building Products | 0.29% | 28,450 | $7.0M | Reduce -3.5% |
| WD Walker & Dunlop Inc. | 0.28% | 61,160 | $6.9M | Add +45.1% |
| FLR Fluor Corp. | 0.28% | 144,470 | $6.9M | Reduce -3.5% |
| LGND Ligand Pharmaceuticals | 0.28% | 67,923 | $6.8M | Add +10.7% |
| JPM JPMorgan Chase & Co. | 0.28% | 32,085 | $6.8M | Reduce -55.7% |
| CHDN Churchill Downs Inc. | 0.27% | 49,870 | $6.7M | Add +12.6% |
| GWRE Guidewire Software Inc. | 0.27% | 36,840 | $6.7M | Reduce -3.5% |
| KKR KKR & Co. Inc. | 0.26% | 49,570 | $6.5M | New |
| FXI iShares China Large-Cap ETF | 0.26% | 203,180 | $6.5M | New |
| EFA iShares MSCI Eafe ETF | 0.26% | 76,840 | $6.4M | Reduce -78.9% |
| CR Crane Co. | 0.26% | 40,520 | $6.4M | Reduce -3.5% |
| KBR KBR Inc. | 0.26% | 98,210 | $6.4M | Reduce -8.4% |
| XLI SS Industrial Select Sector | 0.26% | 47,150 | $6.4M | Reduce -57.8% |
| OLLI Ollie's Bargain Outlet Holdi | 0.26% | 65,070 | $6.3M | Add +36.5% |
| PCVX Vaxcyte Inc. | 0.25% | 54,620 | $6.2M | Add +25.0% |
| LITE Lumentum Holdings Inc. | 0.25% | 97,900 | $6.2M | New |
| CWST Casella Waste Systems Inc. Class A | 0.25% | 61,960 | $6.2M | Reduce -3.6% |
| PEGA Pegasystems Inc. | 0.25% | 83,410 | $6.1M | New |
| LEN Lennar Corp. Class A | 0.25% | 32,435 | $6.1M | No change |
| FOUR SHIFT4 Payments Inc. Class A | 0.25% | 68,500 | $6.1M | New |
| GMED Globus Medical Inc. Class A | 0.25% | 84,780 | $6.1M | Add +94.3% |
| PAR Par Technology Corp. | 0.25% | 116,370 | $6.1M | Add +196.0% |
| VMI Valmont Industries | 0.25% | 20,890 | $6.1M | Add +51.3% |
| ALKT Alkami Technology Inc. | 0.25% | 191,820 | $6.1M | New |
Portfolio Sells Q2 2024 → Q3 2024
| DXCM Dexcom Inc. | Sold out | 0.00% | −2.03 |
| SYK Stryker Corp. | Reduce -99.7% | 0.01% | −1.69 |
| NVDA Nvidia Corp. | Reduce -12.1% | 6.44% | −1.03 |
| EFA iShares MSCI Eafe ETF | Reduce -78.9% | 0.26% | −0.90 |
| SLB SLB Ltd. | Reduce -98.6% | 0.01% | −0.71 |
| FCX Freeport-McMoran Inc. | Reduce -98.6% | 0.01% | −0.63 |
| LRCX Lam Research Corp. | Reduce -1.4% | 1.86% | −0.61 |
| DE Deere & Co. | Sold out | 0.00% | −0.57 |
| LLY Eli Lilly & Co. | Reduce -17.0% | 2.36% | −0.55 |
| GOOGL Alphabet Inc. Class A | Reduce -4.7% | 3.25% | −0.50 |
| ETN Eaton Corp. PLC | Reduce -97.7% | 0.01% | −0.48 |
| MSFT Microsoft Corp. | Reduce -2.7% | 6.80% | −0.47 |
| UNH Unitedhealth Group Inc. | Sold out | 0.00% | −0.42 |
| MEDP Medpace Holdings Inc. | Reduce -95.8% | 0.01% | −0.40 |
| C Citigroup Inc. | Reduce -97.5% | 0.01% | −0.39 |
| IWN iShares Russell 2000 Value E | Reduce -43.6% | 0.63% | −0.39 |
| AMAT Applied Materials Inc. | Reduce -1.5% | 1.96% | −0.37 |
| ONT Onterris Inc. | Sold out | 0.00% | −0.36 |
| SAIA Saia Inc. | Sold out | 0.00% | −0.34 |
| JPM JPMorgan Chase & Co. | Reduce -55.7% | 0.28% | −0.32 |
| AXP American Express Co. | Reduce -56.0% | 0.33% | −0.31 |
| ISRG Intuitive Surgical Inc. | Reduce -22.7% | 1.75% | −0.30 |
| XLI SS Industrial Select Sector | Reduce -57.8% | 0.26% | −0.30 |
| DELL Dell Technologies -C | Sold out | 0.00% | −0.29 |
| CLS Celestica Inc. | Sold out | 0.00% | −0.29 |
| ASH Ashland Inc. | Sold out | 0.00% | −0.27 |
| VLO Valero Energy Corp. | Reduce -92.8% | 0.02% | −0.27 |
| AMZN Amazon.com Inc. | Reduce -2.4% | 4.18% | −0.27 |
| CASY Casey's General Stores Inc. | Reduce -90.4% | 0.03% | −0.27 |
| ADI Analog Devices Inc. | Sold out | 0.00% | −0.27 |
| MCHP Microchip Technology Inc. | Reduce -99.0% | 0.00% | −0.26 |
| NTNX Nutanix Inc. Class A | Sold out | 0.00% | −0.26 |
| MTDR Matador Resources Co. | Reduce -78.5% | 0.06% | −0.25 |
| SNX TD Synnex Corp. | Sold out | 0.00% | −0.25 |
| ONTO Onto Innovation Inc. | Sold out | 0.00% | −0.24 |
| ACWX iShares MSCI Acwi Ex US ETF | Reduce -75.9% | 0.08% | −0.22 |
| FORM Formfactor Inc. | Sold out | 0.00% | −0.21 |
| CSX CSX Corp. | Sold out | 0.00% | −0.21 |
| ASML ASML Holding NV-NY Reg SHS | Reduce -1.5% | 0.84% | −0.21 |
| FIX Comfort Systems USA Inc. | Reduce -96.0% | 0.01% | −0.19 |
| TWST Twist Bioscience Corp. | Reduce -55.8% | 0.13% | −0.19 |
| OMF Onemain Holdings Inc. | Sold out | 0.00% | −0.18 |
| PSN Parsons Corp. | Reduce -96.4% | 0.01% | −0.18 |
| UTZ Utz Brands Inc. | Sold out | 0.00% | −0.17 |
| CSTM Constellium SE | Sold out | 0.00% | −0.17 |
| PPC Pilgrim's Pride Corp. | Sold out | 0.00% | −0.16 |
| AVAV Aerovironment Inc. | Sold out | 0.00% | −0.16 |
| SWTX Springworks Therapeutics Inc. | Sold out | 0.00% | −0.16 |
| WWD Woodward Inc. | Sold out | 0.00% | −0.16 |
| VCEL Vericel Corp. | Reduce -45.1% | 0.13% | −0.13 |
Portfolio Buys Q2 2024 → Q3 2024
| BX Blackstone Inc. | New | 2.75% | +2.75 |
| TOL Toll Brothers Inc. | New | 0.96% | +0.96 |
| HD Home Depot Inc. | Add +325.1% | 1.15% | +0.92 |
| SBUX Starbucks Corp. | Add +4750.6% | 0.89% | +0.88 |
| VRTX Vertex Pharmaceuticals Inc. | Add +76.8% | 1.57% | +0.67 |
| UBER Uber Technologies Inc. | Add +159.0% | 0.93% | +0.58 |
| CL Colgate-Palmolive Co. | Add +47.1% | 1.38% | +0.50 |
| XLRE SS Real Estate Select Sector | New | 0.46% | +0.46 |
| NFLX Netflix Inc. | Add +46.3% | 1.29% | +0.45 |
| EEM iShares MSCI Emerging Market | Add +180.9% | 0.66% | +0.44 |
| DHR Danaher Corp. | New | 0.41% | +0.41 |
| KWEB Kranesh Csi China Internet | New | 0.41% | +0.41 |
| TGT Target Corp. | New | 0.39% | +0.39 |
| MS Morgan Stanley | New | 0.35% | +0.35 |
| PGR Progressive Corp. | New | 0.33% | +0.33 |
| IAK iShares U.S. Insurance ETF | New | 0.33% | +0.33 |
| GDX Vaneck Gold Miners ETF | New | 0.32% | +0.32 |
| DY Dycom Industries Inc. | New | 0.30% | +0.30 |
| XBI SS SPDR S&P Biotech ETF | Add +130.7% | 0.47% | +0.28 |
| KKR KKR & Co. Inc. | New | 0.26% | +0.26 |
| FXI iShares China Large-Cap ETF | New | 0.26% | +0.26 |
| LITE Lumentum Holdings Inc. | New | 0.25% | +0.25 |
| PEGA Pegasystems Inc. | New | 0.25% | +0.25 |
| FOUR SHIFT4 Payments Inc. Class A | New | 0.25% | +0.25 |
| ALKT Alkami Technology Inc. | New | 0.25% | +0.25 |
| EXLS Exlservice Holdings Inc. | New | 0.25% | +0.25 |
| VCYT Veracyte Inc. | New | 0.24% | +0.24 |
| TSEM Tower Semiconductor Ltd. | New | 0.24% | +0.24 |
| LAZ Lazard Inc. | New | 0.23% | +0.23 |
| XLF SS Financial Select Sector | Add +67.2% | 0.50% | +0.23 |
| IMAX Imax Corp. | New | 0.21% | +0.21 |
| LNTH Lantheus Holdings Inc. | Add +47.4% | 0.37% | +0.19 |
| CDNA Caredx Inc. | New | 0.18% | +0.18 |
| PAR Par Technology Corp. | Add +196.0% | 0.25% | +0.17 |
| KNSA Kiniksa Pharmaceuticals Inte | New | 0.17% | +0.17 |
| BWA Borgwarner Inc. | Add +1969.3% | 0.17% | +0.16 |
| HALO Halozyme Therapeutics Inc. | New | 0.16% | +0.16 |
| TGTX TG Therapeutics Inc. | New | 0.16% | +0.16 |
| CRNX Crinetics Pharmaceuticals Inc. | New | 0.15% | +0.15 |
| BC Brunswick Corp. | New | 0.15% | +0.15 |
| XOM Exxon Mobil Corp. | Add +148.7% | 0.21% | +0.13 |
| MHK Mohawk Industries Inc. | New | 0.13% | +0.13 |
| GMED Globus Medical Inc. Class A | Add +94.3% | 0.25% | +0.13 |
| TSM Taiwan Semiconductor-SP ADR | Add +50.8% | 0.36% | +0.12 |
| GTLS Chart Industries Inc. | New | 0.12% | +0.12 |
| PCVX Vaxcyte Inc. | Add +25.0% | 0.25% | +0.12 |
| GLD SPDR Gold Shares | Add +15.1% | 0.51% | +0.12 |
| ATSG Air Transport Services Group | New | 0.12% | +0.12 |
| WD Walker & Dunlop Inc. | Add +45.1% | 0.28% | +0.11 |
| HAS Hasbro Inc. | Add +30.4% | 0.30% | +0.11 |
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 |