Primecap Management Co.
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 11, 2026), Primecap Management Co. reported 319 stock positions worth $132.1 billion. Its top holding was Eli Lilly (LLY) at 7.5% of the portfolio, followed by Micron Technology (MU, 5.4%) and Alphabet Class A (GOOGL, 3.6%). Compared with Q3 2025, it opened 8 new positions, sold out of 18, added to 61 and reduced 222. The biggest buy was Amazon.com (AMZN, shares +14%) and the biggest sale Oracle (ORCL, shares −20%).
- Most Recent 13F
- Q2 2026
- Location
- PASADENA, CA
- CIK
- 0000763212
- Portfolio Value
- $132.1B (Q4 2025)
- SEC Filing
- 0000763212-26-000012 ↗ filed Feb 11, 2026
Holdings Value
Holdings 319 stocks · $132.1B
| LLY Eli Lilly & Co. | 7.54% | 9,265,782 | $10.0B | Reduce -14.2% |
| MU Micron Technology Inc. | 5.36% | 24,794,936 | $7.1B | Reduce -16.4% |
| GOOGL Alphabet Inc. Class A | 3.58% | 15,128,289 | $4.7B | Reduce -4.1% |
| MSFT Microsoft Corp. | 2.67% | 7,287,520 | $3.5B | Reduce -13.1% |
| KLAC KLA Corp. | 2.65% | 2,875,962 | $3.5B | Reduce -18.6% |
| AZN Astrazeneca PLC-Spons ADR | 2.57% | 36,915,261 | $3.4B | Reduce -7.4% |
| NVDA Nvidia Corp. | 2.43% | 17,227,520 | $3.2B | Reduce -8.2% |
| BSX Boston Scientific Corp. | 2.24% | 31,096,184 | $3.0B | Reduce -6.1% |
| AMGN Amgen Inc. | 2.21% | 8,904,979 | $2.9B | Reduce -8.3% |
| TSLA Tesla Inc. | 2.15% | 6,317,420 | $2.8B | Reduce -4.6% |
| AMZN Amazon.com Inc. | 2.14% | 12,256,188 | $2.8B | Add +14.4% |
| INTC Intel Corp. | 2.13% | 76,132,268 | $2.8B | Reduce -4.1% |
| BABA Alibaba Group Holding-SP ADR | 2.11% | 18,977,436 | $2.8B | Reduce -5.1% |
| BIIB Biogen Inc. | 1.97% | 14,757,997 | $2.6B | Reduce -1.3% |
| FDX FedEx Corp. | 1.86% | 8,512,671 | $2.5B | Reduce -9.8% |
| SCHW Schwab (charles) Corp. | 1.76% | 23,276,071 | $2.3B | Add +9.8% |
| LUV Southwest Airlines Co. | 1.48% | 47,392,095 | $2.0B | Reduce -1.3% |
| GOOG Alphabet Inc. Class C | 1.37% | 5,762,640 | $1.8B | Reduce -6.0% |
| UAL United Airlines Holdings Inc. | 1.35% | 15,978,490 | $1.8B | Reduce -11.3% |
| TXN Texas Instruments Inc. | 1.32% | 10,084,686 | $1.7B | Reduce -10.2% |
| ROST Ross Stores Inc. | 1.26% | 9,207,200 | $1.7B | Reduce -7.5% |
| FLEX Flex Ltd. | 1.22% | 26,702,091 | $1.6B | Reduce -9.8% |
| ONC Beone Medicines Ltd.-ADR | 1.15% | 4,980,581 | $1.5B | Reduce -2.0% |
| RJF Raymond James Financial Inc. | 1.14% | 9,342,072 | $1.5B | Reduce -3.1% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 1.13% | 9,739,320 | $1.5B | Reduce -7.5% |
| SONY Sony Group Corp. - SP ADR | 1.13% | 58,301,430 | $1.5B | Reduce -9.5% |
| BIDU Baidu Inc. - Spon ADR | 1.10% | 11,103,600 | $1.5B | Reduce -8.3% |
| V Visa Inc. Class A | 1.06% | 4,008,951 | $1.4B | Reduce -1.4% |
| BMY Bristol-Myers Squibb Co. | 1.02% | 24,875,550 | $1.3B | Add +12.6% |
| ADBE Adobe Inc. | 0.97% | 3,676,206 | $1.3B | Reduce -4.7% |
| GSK GSK PLC-Spon ADR | 0.93% | 25,130,160 | $1.2B | Reduce -2.5% |
| DAL Delta Air Lines Inc. | 0.92% | 17,594,127 | $1.2B | Reduce -3.8% |
| TMO Thermo Fisher Scientific Inc. | 0.90% | 2,057,292 | $1.2B | Reduce -10.7% |
| ORCL Oracle Corp. | 0.89% | 6,031,740 | $1.2B | Reduce -20.0% |
| JPM JPMorgan Chase & Co. | 0.88% | 3,606,887 | $1.2B | Reduce -6.0% |
| COP Conocophillips | 0.82% | 11,577,465 | $1.1B | Add +11.8% |
| ELAN Elanco Animal Health Inc. | 0.79% | 46,214,088 | $1.0B | Reduce -7.5% |
| NVS Novartis AG-Sponsored ADR | 0.79% | 7,579,274 | $1.0B | Reduce -18.9% |
| NTAP Netapp Inc. | 0.74% | 9,068,055 | $971.1M | Reduce -5.8% |
| NTRS Northern Trust Corp. | 0.68% | 6,607,717 | $902.5M | Reduce -12.4% |
| BMRN Biomarin Pharmaceutical Inc. | 0.65% | 14,549,314 | $864.7M | Reduce -4.5% |
| ADI Analog Devices Inc. | 0.64% | 3,141,640 | $852.0M | Reduce -4.2% |
| ACM Aecom | 0.63% | 8,667,283 | $826.3M | Reduce -2.4% |
| WFC Wells Fargo & Co. | 0.59% | 8,360,272 | $779.2M | Reduce -44.0% |
| JBL Jabil Inc. | 0.58% | 3,343,670 | $762.4M | Add +0.4% |
| AAL American Airlines Group Inc. | 0.57% | 49,002,554 | $751.2M | Reduce -1.3% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.54% | 6,236,627 | $709.5M | Reduce -0.2% |
| INTU Intuit Inc. | 0.53% | 1,056,337 | $699.7M | Reduce -5.8% |
| RCL Royal Caribbean Cruises Ltd. | 0.51% | 2,410,521 | $672.3M | Reduce -12.6% |
| NXT Nextpower Inc. | 0.46% | 6,951,597 | $605.6M | Reduce -6.8% |
| J Jacobs Solutions Inc. | 0.45% | 4,525,959 | $599.5M | Reduce -1.4% |
| MAT Mattel Inc. | 0.45% | 29,804,075 | $591.3M | Reduce -4.9% |
| MKTX Marketaxess Holdings Inc. | 0.44% | 3,175,425 | $575.5M | Add +42.4% |
| IEX Idex Corp. | 0.43% | 3,226,787 | $574.2M | Add +86.5% |
| TDG Transdigm Group Inc. | 0.41% | 410,217 | $545.5M | Reduce -29.9% |
| META Meta Platforms Inc. Class A | 0.39% | 788,790 | $520.7M | Reduce -22.0% |
| CME Cme Group Inc. | 0.39% | 1,879,018 | $513.1M | Reduce -3.2% |
| CAT Caterpillar Inc. | 0.38% | 880,170 | $504.2M | Reduce -30.7% |
| AAPL Apple Inc. | 0.36% | 1,760,880 | $478.7M | No change |
| PYPL PayPal Holdings Inc. | 0.36% | 8,168,490 | $476.9M | Add +22.3% |
| DLTR Dollar Tree Inc. | 0.36% | 3,832,425 | $471.4M | Reduce -8.6% |
| HPE Hewlett Packard Enterprise | 0.35% | 19,212,717 | $461.5M | Reduce -8.0% |
| FICO Fair Isaac Corp. | 0.31% | 243,374 | $411.5M | Add +34.7% |
| QCOM Qualcomm Inc. | 0.30% | 2,338,084 | $399.9M | Reduce -5.0% |
| ALB Albemarle Corp. | 0.30% | 2,805,069 | $396.7M | Reduce -13.8% |
| BAH Booz Allen Hamilton Holdings | 0.30% | 4,666,298 | $393.6M | Add +135.2% |
| HPQ HP Inc. | 0.30% | 17,655,485 | $393.4M | Reduce -2.6% |
| FLUT Flutter Entertainment PLC-Di | 0.29% | 1,787,790 | $384.4M | Add +5.2% |
| ASML ASML Holding NV-NY Reg SHS | 0.29% | 356,776 | $381.7M | Reduce -7.9% |
| GKOS Glaukos Corp. | 0.29% | 3,376,928 | $381.3M | Add +49.8% |
| LIN Linde PLC | 0.29% | 888,620 | $378.9M | Add +64.9% |
| NFLX Netflix Inc. | 0.29% | 4,023,110 | $377.2M | Add +105.0% |
| CSCO Cisco Systems Inc. | 0.28% | 4,841,060 | $372.9M | Reduce -7.8% |
| RYTM Rhythm Pharmaceuticals Inc. | 0.28% | 3,478,669 | $372.4M | Reduce -18.4% |
| GLW Corning Inc. | 0.27% | 4,138,172 | $362.3M | Reduce -10.1% |
| BNTX Biontech SE-ADR | 0.27% | 3,800,011 | $361.8M | Reduce -1.8% |
| ZBH Zimmer Biomet Holdings Inc. | 0.27% | 3,999,410 | $359.6M | Reduce -5.9% |
| MDB Mongodb Inc. | 0.27% | 848,279 | $356.0M | Reduce -14.3% |
| CVX Chevron Corp. | 0.27% | 2,325,352 | $354.4M | Reduce -63.5% |
| AMTM Amentum Holdings Inc. | 0.27% | 12,126,927 | $351.7M | Add +1.8% |
| SNPS Synopsys Inc. | 0.26% | 734,800 | $345.2M | Add +743.6% |
| DHR Danaher Corp. | 0.26% | 1,480,720 | $339.0M | Add +2.1% |
| XMTR Xometry Inc. Class A | 0.26% | 5,682,907 | $338.0M | Reduce -7.9% |
| AMAT Applied Materials Inc. | 0.24% | 1,233,826 | $317.1M | Reduce -22.1% |
| CW Curtiss-Wright Corp. | 0.24% | 564,000 | $310.9M | Reduce -9.0% |
| TRMB Trimble Inc. | 0.23% | 3,931,266 | $308.0M | Reduce -3.9% |
| MA Mastercard Inc. Class A | 0.23% | 520,791 | $297.3M | Reduce -1.2% |
| USFD US Foods Holding Corp. | 0.22% | 3,911,610 | $294.6M | Add +3.1% |
| BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP | 0.22% | 2,521,678 | $292.7M | Add +214.6% |
| EW Edwards Lifesciences Corp. | 0.22% | 3,418,791 | $291.5M | Reduce -3.0% |
| NSC Norfolk Southern Corp. | 0.22% | 1,002,183 | $289.4M | Reduce -11.5% |
| C Citigroup Inc. | 0.22% | 2,468,300 | $288.0M | Reduce -4.7% |
| WHR Whirlpool Corp. | 0.21% | 3,816,068 | $275.3M | Reduce -11.5% |
| SYY Sysco Corp. | 0.21% | 3,685,129 | $271.6M | Reduce -0.6% |
| ENTG Entegris Inc. | 0.20% | 3,160,334 | $266.3M | Reduce -0.0% |
| PGR Progressive Corp. | 0.20% | 1,149,900 | $261.9M | Reduce -9.2% |
| AVGO Broadcom Inc. | 0.20% | 755,728 | $261.6M | Reduce -3.6% |
| ILMN Illumina Inc. | 0.20% | 1,989,679 | $261.0M | Add +5.5% |
| LIVN Livanova PLC | 0.20% | 4,224,852 | $260.0M | Reduce -5.0% |
| XPEV Xpeng Inc. - ADR | 0.20% | 12,801,087 | $259.6M | Reduce -7.8% |
Portfolio Sells Q3 2025 → Q4 2025
| ORCL Oracle Corp. | Reduce -20.0% | 0.89% | −0.73 |
| MSFT Microsoft Corp. | Reduce -13.1% | 2.67% | −0.66 |
| BABA Alibaba Group Holding-SP ADR | Reduce -5.1% | 2.11% | −0.63 |
| CVX Chevron Corp. | Reduce -63.5% | 0.27% | −0.49 |
| WFC Wells Fargo & Co. | Reduce -44.0% | 0.59% | −0.37 |
| SONY Sony Group Corp. - SP ADR | Reduce -9.5% | 1.13% | −0.29 |
| KLAC KLA Corp. | Reduce -18.6% | 2.65% | −0.28 |
| ACM Aecom | Reduce -2.4% | 0.63% | −0.26 |
| TXN Texas Instruments Inc. | Reduce -10.2% | 1.32% | −0.26 |
| NVDA Nvidia Corp. | Reduce -8.2% | 2.43% | −0.25 |
| BSX Boston Scientific Corp. | Reduce -6.1% | 2.24% | −0.23 |
| MRSH Marsh & McLennan Cos | Reduce -71.5% | 0.07% | −0.21 |
| ONC Beone Medicines Ltd.-ADR | Reduce -2.0% | 1.15% | −0.18 |
| TDG Transdigm Group Inc. | Reduce -29.9% | 0.41% | −0.18 |
| META Meta Platforms Inc. Class A | Reduce -22.0% | 0.39% | −0.17 |
| RCL Royal Caribbean Cruises Ltd. | Reduce -12.6% | 0.51% | −0.17 |
| TER Teradyne Inc. | Reduce -71.9% | 0.10% | −0.16 |
| RJF Raymond James Financial Inc. | Reduce -3.1% | 1.14% | −0.14 |
| NTAP Netapp Inc. | Reduce -5.8% | 0.74% | −0.14 |
| CMA Comerica Inc. | Reduce -95.2% | 0.01% | −0.13 |
| NVS Novartis AG-Sponsored ADR | Reduce -18.9% | 0.79% | −0.13 |
| BIDU Baidu Inc. - Spon ADR | Reduce -8.3% | 1.10% | −0.12 |
| TXT Textron Inc. | Reduce -58.4% | 0.08% | −0.11 |
| TSLA Tesla Inc. | Reduce -4.6% | 2.15% | −0.10 |
| NTRS Northern Trust Corp. | Reduce -12.4% | 0.68% | −0.09 |
| FLEX Flex Ltd. | Reduce -9.8% | 1.22% | −0.09 |
| CAT Caterpillar Inc. | Reduce -30.7% | 0.38% | −0.08 |
| HPQ HP Inc. | Reduce -2.6% | 0.30% | −0.08 |
| EOG EOG Resources Inc. | Reduce -31.6% | 0.13% | −0.07 |
| J Jacobs Solutions Inc. | Reduce -1.4% | 0.45% | −0.07 |
| ADBE Adobe Inc. | Reduce -4.7% | 0.97% | −0.07 |
| FCX Freeport-McMoran Inc. | Reduce -86.3% | 0.01% | −0.06 |
| BA The Boeing Co. | Reduce -97.7% | 0.00% | −0.06 |
| DD Dupont DE Nemours Inc. | Reduce -1.7% | 0.06% | −0.06 |
| INTU Intuit Inc. | Reduce -5.8% | 0.53% | −0.06 |
| OLED Universal Display Corp. | Reduce -2.8% | 0.19% | −0.05 |
| XPEV Xpeng Inc. - ADR | Reduce -7.8% | 0.20% | −0.05 |
| EA Electronic Arts Inc. | Sold out | 0.00% | −0.05 |
| WHR Whirlpool Corp. | Reduce -11.5% | 0.21% | −0.05 |
| NTNX Nutanix Inc. Class A | Reduce -0.1% | 0.11% | −0.05 |
| ZBH Zimmer Biomet Holdings Inc. | Reduce -5.9% | 0.27% | −0.05 |
| RYTM Rhythm Pharmaceuticals Inc. | Reduce -18.4% | 0.28% | −0.05 |
| JPM JPMorgan Chase & Co. | Reduce -6.0% | 0.88% | −0.05 |
| HPE Hewlett Packard Enterprise | Reduce -8.0% | 0.35% | −0.04 |
| GE General Electric | Sold out | 0.00% | −0.04 |
| CRM Salesforce Inc. | Reduce -49.6% | 0.05% | −0.04 |
| NSC Norfolk Southern Corp. | Reduce -11.5% | 0.22% | −0.04 |
| PGR Progressive Corp. | Reduce -9.2% | 0.20% | −0.04 |
| XOM Exxon Mobil Corp. | Reduce -64.5% | 0.02% | −0.04 |
| VSXY Victoria's Secret & Co. | Sold out | 0.00% | −0.04 |
Portfolio Buys Q3 2025 → Q4 2025
| AMZN Amazon.com Inc. | Add +14.4% | 2.14% | +0.34 |
| BMY Bristol-Myers Squibb Co. | Add +12.6% | 1.02% | +0.25 |
| SNPS Synopsys Inc. | Add +743.6% | 0.26% | +0.23 |
| IEX Idex Corp. | Add +86.5% | 0.43% | +0.22 |
| SCHW Schwab (charles) Corp. | Add +9.8% | 1.76% | +0.21 |
| BNY Bank of New York Mellon Corp. | Add +214.6% | 0.22% | +0.15 |
| GKOS Glaukos Corp. | Add +49.8% | 0.29% | +0.15 |
| BAH Booz Allen Hamilton Holdings | Add +135.2% | 0.30% | +0.15 |
| MKTX Marketaxess Holdings Inc. | Add +42.4% | 0.44% | +0.14 |
| NFLX Netflix Inc. | Add +105.0% | 0.29% | +0.11 |
| FICO Fair Isaac Corp. | Add +34.7% | 0.31% | +0.10 |
| LIN Linde PLC | Add +64.9% | 0.29% | +0.09 |
| AMD Advanced Micro Devices | Add +95.5% | 0.14% | +0.09 |
| COP Conocophillips | Add +11.8% | 0.82% | +0.07 |
| ILMN Illumina Inc. | Add +5.5% | 0.20% | +0.06 |
| BURL Burlington Stores Inc. | Add +33.6% | 0.18% | +0.06 |
| CAVA Cava Group Inc. | Add +1378.3% | 0.06% | +0.05 |
| IMNM Immunome Inc. | Add +55.3% | 0.08% | +0.05 |
| AMTM Amentum Holdings Inc. | Add +1.8% | 0.27% | +0.05 |
| WVE Wave Life Sciences Ltd. | Add +115.7% | 0.05% | +0.04 |
| WSC Willscot Holdings Corp. | Add +210.9% | 0.06% | +0.04 |
| ERIC Ericsson (lm) Tel-SP ADR | Add +7.0% | 0.19% | +0.04 |
| DHR Danaher Corp. | Add +2.1% | 0.26% | +0.04 |
| BRKR Bruker Corp. | New | 0.02% | +0.02 |
| JBL Jabil Inc. | Add +0.4% | 0.58% | +0.02 |
| VNOM Viper Energy Inc. Class A | New | 0.02% | +0.02 |
| PYPL PayPal Holdings Inc. | Add +22.3% | 0.36% | +0.02 |
| BIRK Birkenstock Holding PLC | New | 0.01% | +0.01 |
| SYNA Synaptics Inc. | New | 0.01% | +0.01 |
| SEPN Septerna Inc. | New | 0.01% | +0.01 |
| CTRA Coterra Energy Inc. | Add +17.9% | 0.05% | +0.01 |
| AME Ametek Inc. | Add +0.5% | 0.13% | +0.01 |
| IE Ivanhoe Electric Inc. / US | Add +8.0% | 0.04% | +0.01 |
| KNX Knight-Swift Transportation | Add +2.5% | 0.03% | +0.01 |
| BAC Bank of America Corp. | Add +3.2% | 0.11% | +0.01 |
| SN Sharkninja Inc. | Add +275.5% | 0.01% | +0.01 |
| ZM Zoom Communications Inc. | Add +6.2% | 0.08% | +0.01 |
| GTLB Gitlab Inc. Class A | Add +49.5% | 0.03% | +0.01 |
| NKE Nike Inc. Class B | Add +20.2% | 0.07% | +0.01 |
| THG Hanover Insurance Group Inc./ | New | 0.01% | +0.01 |
| TTD Trade Desk Inc./the Class A | Add +61.9% | 0.03% | +0.01 |
| LENZ Lenz Therapeutics Inc. | New | 0.00% | +0.00 |
| GFF Griffon Corp. | Add +24.1% | 0.02% | +0.00 |
| HON Honeywell International Inc. | Add +14.2% | 0.07% | +0.00 |
| TROX Tronox Holdings PLC | Add +16.4% | 0.02% | +0.00 |
| PCG P G & E Corp. | Add +27.7% | 0.01% | +0.00 |
| SAP Sap SE-Sponsored ADR | New | 0.00% | +0.00 |
| PSN Parsons Corp. | Add +44.8% | 0.03% | +0.00 |
| TOST Toast Inc. Class A | Add +93.8% | 0.00% | +0.00 |
| ALLO Allogene Therapeutics Inc. | Add +15.0% | 0.01% | +0.00 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 324 | $169.1B | MU, LLY, INTC, KLAC, GOOGL |
| Q1 2026 | 320 | $127.0B | LLY, MU, GOOGL, AZN, KLAC |
| Q4 2025 | 319 | $132.1B | LLY, MU, GOOGL, MSFT, KLAC |
| Q3 2025 | 327 | $130.6B | LLY, MU, MSFT, GOOGL, KLAC |
| Q2 2025 | 333 | $126.2B | LLY, MSFT, KLAC, MU, BSX |
| Q1 2025 | 335 | $121.0B | LLY, AMGN, BSX, MSFT, KLAC |
| Q4 2024 | 329 | $129.1B | LLY, MSFT, FDX, AMGN, BSX |
| Q3 2024 | 336 | $136.0B | LLY, AMGN, MSFT, KLAC, MU |
| Q2 2024 | 332 | $138.1B | LLY, MU, KLAC, AMGN, MSFT |
| Q1 2024 | 335 | $134.1B | LLY, MU, MSFT, AMGN, KLAC |