Castleark Management LLC
In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 18, 2025), Castleark Management LLC reported 283 stock positions worth $2.9 billion. Its top holding was Apple (AAPL) at 5.9% of the portfolio, followed by Nvidia (NVDA, 5.0%) and Microsoft (MSFT, 5.0%). Compared with Q3 2024, it opened 75 new positions, sold out of 64, added to 38 and reduced 85. The biggest buy was a new position in SS SPDR P Int C Corp. ETF (SPIB) and the biggest sale an exit from Union Pacific (UNP).
- Most Recent 13F
- Q2 2026
- Location
- CHICAGO, IL
- CIK
- 0001106832
- Portfolio Value
- $2.9B (Q4 2024)
- SEC Filing
- 0001106832-25-000001 ↗ filed Feb 18, 2025
Holdings Value
Holdings 283 stocks · $2.9B
| AAPL Apple Inc. | 5.92% | 677,429 | $169.6M | Add +16.9% |
| NVDA Nvidia Corp. | 5.03% | 1,074,038 | $144.2M | Reduce -17.4% |
| MSFT Microsoft Corp. | 5.00% | 339,924 | $143.3M | Reduce -12.3% |
| SPIB SS SPDR P Int C Corp. ETF | 4.29% | 3,757,660 | $123.1M | New |
| AMZN Amazon.com Inc. | 4.29% | 560,195 | $122.9M | Add +1.8% |
| META Meta Platforms Inc. Class A | 2.59% | 126,828 | $74.3M | Add +3.4% |
| VMBS Vanguard Mortgage-Backed Sec | 2.54% | 1,609,080 | $73.0M | New |
| BX Blackstone Inc. | 2.51% | 417,020 | $71.9M | Reduce -5.4% |
| MA Mastercard Inc. Class A | 2.48% | 135,269 | $71.2M | Add +3.4% |
| GOOGL Alphabet Inc. Class A | 2.39% | 361,699 | $68.5M | Reduce -24.6% |
| ANET Arista Networks Inc. | 2.34% | 607,360 | $67.1M | New |
| NFLX Netflix Inc. | 2.30% | 73,878 | $65.8M | Add +65.5% |
| V Visa Inc. Class A | 2.28% | 206,615 | $65.3M | Add +17.3% |
| NOW ServiceNow Inc. | 2.22% | 59,946 | $63.5M | Reduce -5.4% |
| AVGO Broadcom Inc. | 2.11% | 260,820 | $60.5M | New |
| ISRG Intuitive Surgical Inc. | 1.65% | 90,469 | $47.2M | Add +3.4% |
| TTD Trade Desk Inc./the Class A filed as THE TRADE DESK INC | 1.58% | 384,850 | $45.2M | New |
| APO Apollo Global Management Inc. | 1.31% | 226,890 | $37.5M | New |
| GOVT iShares US Treasury Bond ETF | 1.30% | 1,621,369 | $37.3M | New |
| LLY Eli Lilly & Co. | 1.15% | 42,766 | $33.0M | Reduce -34.5% |
| SHOP Shopify Inc. Class A | 1.01% | 271,270 | $28.8M | New |
| TT Trane Technologies PLC | 0.94% | 73,090 | $27.0M | New |
| FICO Fair Isaac Corp. | 0.91% | 13,110 | $26.1M | New |
| TLH iShares 10-20 Year Treasury | 0.75% | 215,592 | $21.5M | New |
| SBUX Starbucks Corp. | 0.74% | 231,760 | $21.1M | Add +3.4% |
| VRTX Vertex Pharmaceuticals Inc. | 0.65% | 46,485 | $18.7M | Reduce -43.8% |
| MBB iShares MBS ETF | 0.63% | 196,905 | $18.1M | New |
| DOCU Docusign Inc. | 0.62% | 196,450 | $17.7M | New |
| SPTS SS SPDR P St Term TSY ETF | 0.61% | 607,790 | $17.6M | New |
| TLT iShares 20+ Year Treasury BD | 0.58% | 190,360 | $16.6M | New |
| UBER Uber Technologies Inc. | 0.56% | 263,780 | $15.9M | Reduce -13.3% |
| EQT Eqt Corp. | 0.54% | 333,050 | $15.4M | Add +752.9% |
| MPC Marathon Petroleum Corp. | 0.48% | 98,389 | $13.7M | Add +775.4% |
| CRM Salesforce Inc. | 0.45% | 38,880 | $13.0M | New |
| CRDO Credo Technology Group Holdi | 0.43% | 181,360 | $12.2M | Add +8.8% |
| FTAI Ftai Aviation Ltd. | 0.42% | 84,170 | $12.1M | Reduce -26.8% |
| DECK Deckers Outdoor Corp. | 0.40% | 56,710 | $11.5M | New |
| FTI Technipfmc PLC | 0.39% | 385,780 | $11.2M | Reduce -17.8% |
| EVR Evercore Inc. Class A | 0.38% | 39,120 | $10.8M | Reduce -12.8% |
| GLD SPDR Gold Shares | 0.38% | 44,765 | $10.8M | Reduce -13.5% |
| IGIB iShares 5-10Y Inv Grade Corp. | 0.38% | 209,704 | $10.8M | New |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.37% | 87,660 | $10.6M | No change |
| CYBR Cyberark Software Ltd./Israel | 0.37% | 31,560 | $10.5M | Reduce -4.2% |
| PM Philip Morris International | 0.37% | 87,160 | $10.5M | New |
| TSM Taiwan Semiconductor-SP ADR | 0.35% | 50,780 | $10.0M | Reduce -0.8% |
| CAT Caterpillar Inc. | 0.35% | 27,470 | $10.0M | Add +2029.5% |
| HQY Healthequity Inc. | 0.34% | 102,930 | $9.9M | Add +42.7% |
| XLV SS Health Care Select Sector | 0.34% | 71,120 | $9.8M | No change |
| IWN iShares Russell 2000 Value E | 0.34% | 58,880 | $9.7M | Reduce -36.3% |
| XPO Xpo Inc. | 0.33% | 72,734 | $9.5M | Reduce -3.7% |
| CLS Celestica Inc. | 0.33% | 101,600 | $9.4M | New |
| PEGA Pegasystems Inc. | 0.31% | 95,630 | $8.9M | Add +14.7% |
| XBI SS SPDR S&P Biotech ETF | 0.31% | 98,850 | $8.9M | Reduce -14.5% |
| LRCX Lam Research Corp. | 0.31% | 121,280 | $8.8M | Reduce -78.3% |
| JLL Jones Lang Lasalle Inc. | 0.31% | 34,590 | $8.8M | Reduce -2.9% |
| VRNA Verona Pharma Ltd. | 0.30% | 185,860 | $8.6M | New |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 0.30% | 193,290 | $8.5M | New |
| D Dominion Energy Inc. | 0.30% | 157,550 | $8.5M | New |
| MOD Modine Manufacturing Co. | 0.29% | 72,550 | $8.4M | Add +9.0% |
| VST Vistra Corp. | 0.29% | 60,660 | $8.4M | Add +219.4% |
| KNF Knife River Corp. | 0.29% | 82,190 | $8.4M | Reduce -4.1% |
| MWA Mueller Water Products Inc. Class A | 0.29% | 369,400 | $8.3M | Reduce -4.0% |
| SITM Sitime Corp. | 0.29% | 38,442 | $8.2M | Add +25.0% |
| GTES Gates Industrial Corp. UK Ltd. | 0.29% | 400,860 | $8.2M | Add +42.3% |
| FOUR SHIFT4 Payments Inc. Class A | 0.29% | 78,940 | $8.2M | Add +15.2% |
| KRE SS SPDR S&P Regional Bank | 0.28% | 135,000 | $8.1M | New |
| PAR Par Technology Corp. | 0.28% | 111,580 | $8.1M | Reduce -4.1% |
| RACE Ferrari NV | 0.28% | 19,018 | $8.1M | Add +6.0% |
| AMAT Applied Materials Inc. | 0.28% | 49,629 | $8.1M | Reduce -79.1% |
| RRC Range Resources Corp. | 0.28% | 223,910 | $8.1M | Add +324.2% |
| LITE Lumentum Holdings Inc. | 0.28% | 93,940 | $7.9M | Reduce -4.0% |
| SF Stifel Financial Corp. | 0.27% | 73,660 | $7.8M | Reduce -4.1% |
| CRS Carpenter Technology | 0.27% | 45,880 | $7.8M | Reduce -38.6% |
| GKOS Glaukos Corp. | 0.27% | 51,340 | $7.7M | Reduce -30.5% |
| LQD Ishr Ibx Usd Invgd CB ETF-Ui | 0.27% | 71,170 | $7.6M | New |
| SMTC Semtech Corp. | 0.26% | 122,150 | $7.6M | New |
| ALKT Alkami Technology Inc. | 0.26% | 205,800 | $7.5M | Add +7.3% |
| WIX Wix.com Ltd. | 0.26% | 35,130 | $7.5M | Reduce -22.4% |
| EWJ iShares MSCI Japan ETF | 0.26% | 112,080 | $7.5M | Reduce -49.7% |
| WCC Wesco International Inc. | 0.26% | 41,130 | $7.4M | New |
| RMBS Rambus Inc. | 0.26% | 139,890 | $7.4M | New |
| DELL Dell Technologies -C | 0.26% | 63,610 | $7.3M | New |
| RDNT Radnet Inc. | 0.25% | 104,453 | $7.3M | Reduce -27.1% |
| VSEC Vse Corp. | 0.25% | 76,180 | $7.2M | New |
| BCO The Brink's Co. | 0.25% | 76,930 | $7.1M | Reduce -17.1% |
| ET Energy Transfer LP | 0.25% | 360,310 | $7.1M | No change |
| KD Kyndryl Holdings Inc. | 0.24% | 202,550 | $7.0M | Reduce -40.1% |
| LGND Ligand Pharmaceuticals | 0.24% | 65,113 | $7.0M | Reduce -4.1% |
| GTLS Chart Industries Inc. | 0.24% | 36,220 | $6.9M | Add +53.1% |
| AXON Axon Enterprise Inc. | 0.24% | 11,570 | $6.9M | Add +317.7% |
| LAZ Lazard Inc. | 0.24% | 133,080 | $6.9M | Add +19.0% |
| IAK iShares U.S. Insurance ETF | 0.24% | 54,070 | $6.8M | Reduce -12.9% |
| WK Workiva Inc. | 0.24% | 62,100 | $6.8M | New |
| EXLS Exlservice Holdings Inc. | 0.24% | 152,050 | $6.7M | Reduce -4.0% |
| GMED Globus Medical Inc. Class A | 0.23% | 81,330 | $6.7M | Reduce -4.1% |
| VCYT Veracyte Inc. | 0.23% | 169,430 | $6.7M | Reduce -4.0% |
| PGR Progressive Corp. | 0.23% | 27,870 | $6.7M | Reduce -13.1% |
| VMI Valmont Industries | 0.23% | 21,710 | $6.7M | Add +3.9% |
| NTRA Natera Inc. | 0.23% | 42,030 | $6.7M | Reduce -41.1% |
| ADMA Adma Biologics Inc. | 0.23% | 386,366 | $6.6M | Reduce -44.2% |
Portfolio Sells Q3 2024 → Q4 2024
| UNP Union Pacific Corp. | Sold out | 0.00% | −1.85 |
| MSFT Microsoft Corp. | Reduce -12.3% | 5.00% | −1.80 |
| AMAT Applied Materials Inc. | Reduce -79.1% | 0.28% | −1.68 |
| LRCX Lam Research Corp. | Reduce -78.3% | 0.31% | −1.56 |
| NVDA Nvidia Corp. | Reduce -17.4% | 5.03% | −1.41 |
| CL Colgate-Palmolive Co. | Sold out | 0.00% | −1.38 |
| LLY Eli Lilly & Co. | Reduce -34.5% | 1.15% | −1.21 |
| HD Home Depot Inc. | Reduce -96.7% | 0.03% | −1.12 |
| TOL Toll Brothers Inc. | Sold out | 0.00% | −0.96 |
| VRTX Vertex Pharmaceuticals Inc. | Reduce -43.8% | 0.65% | −0.92 |
| GOOGL Alphabet Inc. Class A | Reduce -24.6% | 2.39% | −0.86 |
| ASML ASML Holding NV-NY Reg SHS | Sold out | 0.00% | −0.84 |
| MSCI MSCI Inc. | Sold out | 0.00% | −0.69 |
| SNPS Synopsys Inc. | Sold out | 0.00% | −0.65 |
| EEM iShares MSCI Emerging Market | Reduce -69.6% | 0.16% | −0.51 |
| ADBE Adobe Inc. | Sold out | 0.00% | −0.49 |
| XHB SS SPDR S&P Homebldrs ETF | Reduce -58.9% | 0.18% | −0.44 |
| DHR Danaher Corp. | Sold out | 0.00% | −0.41 |
| EWJ iShares MSCI Japan ETF | Reduce -49.7% | 0.26% | −0.39 |
| TGT Target Corp. | Sold out | 0.00% | −0.39 |
| UBER Uber Technologies Inc. | Reduce -13.3% | 0.56% | −0.38 |
| LNTH Lantheus Holdings Inc. | Sold out | 0.00% | −0.37 |
| ADMA Adma Biologics Inc. | Reduce -44.2% | 0.23% | −0.33 |
| TTEK Tetra Tech Inc. | Sold out | 0.00% | −0.33 |
| THC Tenet Healthcare Corp. | Sold out | 0.00% | −0.33 |
| ZETA Zeta Global Holdings Corp. Class A | Sold out | 0.00% | −0.33 |
| GDX Vaneck Gold Miners ETF | Sold out | 0.00% | −0.32 |
| TMDX Transmedics Group Inc. | Sold out | 0.00% | −0.31 |
| KWEB Kranesh Csi China Internet | Reduce -66.4% | 0.10% | −0.31 |
| AXP American Express Co. | Reduce -91.1% | 0.03% | −0.30 |
| PI Impinj Inc. | Sold out | 0.00% | −0.30 |
| APPF Appfolio Inc. Class A | Sold out | 0.00% | −0.29 |
| IWN iShares Russell 2000 Value E | Reduce -36.3% | 0.34% | −0.29 |
| VRNS Varonis Systems Inc. | Sold out | 0.00% | −0.29 |
| IBP Installed Building Products | Sold out | 0.00% | −0.29 |
| XLF SS Financial Select Sector | Reduce -51.7% | 0.22% | −0.28 |
| GWRE Guidewire Software Inc. | Reduce -97.5% | 0.01% | −0.27 |
| FXI iShares China Large-Cap ETF | Sold out | 0.00% | −0.26 |
| KBR KBR Inc. | Sold out | 0.00% | −0.26 |
| OLLI Ollie's Bargain Outlet Holdi | Sold out | 0.00% | −0.26 |
| LEN Lennar Corp. Class A | Sold out | 0.00% | −0.25 |
| BX Blackstone Inc. | Reduce -5.4% | 2.51% | −0.24 |
| GVA Granite Construction Inc. | Sold out | 0.00% | −0.23 |
| BLBD Blue Bird Corp. | Sold out | 0.00% | −0.23 |
| EFOR Everforth Inc. | Sold out | 0.00% | −0.23 |
| VVV Valvoline Inc. | Sold out | 0.00% | −0.23 |
| XLRE SS Real Estate Select Sector | Reduce -35.9% | 0.23% | −0.23 |
| B Barrick Gold Corp. | Sold out | 0.00% | −0.22 |
| CMPR Cimpress PLC | Sold out | 0.00% | −0.22 |
| CRS Carpenter Technology | Reduce -38.6% | 0.27% | −0.21 |
Portfolio Buys Q3 2024 → Q4 2024
| SPIB SS SPDR P Int C Corp. ETF | New | 4.29% | +4.29 |
| VMBS Vanguard Mortgage-Backed Sec | New | 2.54% | +2.54 |
| ANET Arista Networks Inc. | New | 2.34% | +2.34 |
| AVGO Broadcom Inc. | New | 2.11% | +2.11 |
| TTD Trade Desk Inc./the Class A | New | 1.58% | +1.58 |
| APO Apollo Global Management Inc. | New | 1.31% | +1.31 |
| GOVT iShares US Treasury Bond ETF | New | 1.30% | +1.30 |
| SHOP Shopify Inc. Class A | New | 1.01% | +1.01 |
| NFLX Netflix Inc. | Add +65.5% | 2.30% | +1.01 |
| TT Trane Technologies PLC | New | 0.94% | +0.94 |
| FICO Fair Isaac Corp. | New | 0.91% | +0.91 |
| TLH iShares 10-20 Year Treasury | New | 0.75% | +0.75 |
| MBB iShares MBS ETF | New | 0.63% | +0.63 |
| DOCU Docusign Inc. | New | 0.62% | +0.62 |
| SPTS SS SPDR P St Term TSY ETF | New | 0.61% | +0.61 |
| TLT iShares 20+ Year Treasury BD | New | 0.58% | +0.58 |
| EQT Eqt Corp. | Add +752.9% | 0.54% | +0.48 |
| CRM Salesforce Inc. | New | 0.45% | +0.45 |
| AAPL Apple Inc. | Add +16.9% | 5.92% | +0.41 |
| MPC Marathon Petroleum Corp. | Add +775.4% | 0.48% | +0.40 |
| DECK Deckers Outdoor Corp. | New | 0.40% | +0.40 |
| IGIB iShares 5-10Y Inv Grade Corp. | New | 0.38% | +0.38 |
| PM Philip Morris International | New | 0.37% | +0.37 |
| CLS Celestica Inc. | New | 0.33% | +0.33 |
| CAT Caterpillar Inc. | Add +2029.5% | 0.35% | +0.33 |
| V Visa Inc. Class A | Add +17.3% | 2.28% | +0.30 |
| VRNA Verona Pharma Ltd. | New | 0.30% | +0.30 |
| BAC Bank of America Corp. | New | 0.30% | +0.30 |
| D Dominion Energy Inc. | New | 0.30% | +0.30 |
| KRE SS SPDR S&P Regional Bank | New | 0.28% | +0.28 |
| LQD Ishr Ibx Usd Invgd CB ETF-Ui | New | 0.27% | +0.27 |
| SMTC Semtech Corp. | New | 0.26% | +0.26 |
| WCC Wesco International Inc. | New | 0.26% | +0.26 |
| RMBS Rambus Inc. | New | 0.26% | +0.26 |
| DELL Dell Technologies -C | New | 0.26% | +0.26 |
| VSEC Vse Corp. | New | 0.25% | +0.25 |
| WK Workiva Inc. | New | 0.24% | +0.24 |
| S Sentinelone Inc. Class A | New | 0.23% | +0.23 |
| WH Wyndham Hotels & Resorts Inc. | New | 0.23% | +0.23 |
| COF Capital One Financial Corp. | New | 0.23% | +0.23 |
| RRX Regal Rexnord Corp. | New | 0.22% | +0.22 |
| PRIM Primoris Services Corp. | New | 0.22% | +0.22 |
| CRDO Credo Technology Group Holdi | Add +8.8% | 0.43% | +0.22 |
| RRC Range Resources Corp. | Add +324.2% | 0.28% | +0.21 |
| PAYO Payoneer Global Inc. | New | 0.21% | +0.21 |
| HRI Herc Holdings Inc. | New | 0.21% | +0.21 |
| BILL Bill Holdings Inc. | New | 0.21% | +0.21 |
| GDYN Grid Dynamics Holdings Inc. | New | 0.20% | +0.20 |
| VST Vistra Corp. | Add +219.4% | 0.29% | +0.20 |
| PCTY Paylocity Holding Corp. | Add +1755.2% | 0.21% | +0.20 |
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 |