Primecap Management Co.
In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 11, 2025), Primecap Management Co. reported 333 stock positions worth $126.2 billion. Its top holding was Eli Lilly (LLY) at 7.5% of the portfolio, followed by Microsoft (MSFT, 3.6%) and KLA (KLAC, 3.2%). Compared with Q1 2025, it opened 12 new positions, sold out of 14, added to 124 and reduced 176. The biggest buy was Microsoft (MSFT, shares +0%) and the biggest sale Eli Lilly (LLY, shares −18%).
- Most Recent 13F
- Q2 2026
- Location
- PASADENA, CA
- CIK
- 0000763212
- Portfolio Value
- $126.2B (Q2 2025)
- SEC Filing
- 0001085146-25-004804 ↗ filed Aug 11, 2025
Holdings Value
Holdings 333 stocks · $126.2B
| LLY Eli Lilly & Co. | 7.51% | 12,154,908 | $9.5B | Reduce -17.8% |
| MSFT Microsoft Corp. | 3.59% | 9,115,265 | $4.5B | Add +0.3% |
| KLAC KLA Corp. | 3.18% | 4,480,277 | $4.0B | Reduce -8.1% |
| MU Micron Technology Inc. | 3.07% | 31,465,876 | $3.9B | Reduce -15.6% |
| BSX Boston Scientific Corp. | 2.95% | 34,662,722 | $3.7B | Reduce -5.0% |
| NVDA Nvidia Corp. | 2.54% | 20,322,650 | $3.2B | Reduce -1.1% |
| AMGN Amgen Inc. | 2.35% | 10,631,709 | $3.0B | Reduce -14.2% |
| GOOGL Alphabet Inc. Class A | 2.34% | 16,748,294 | $3.0B | Add +2.2% |
| AZN Astrazeneca PLC-Spons ADR | 2.28% | 41,200,091 | $2.9B | Add +1.3% |
| TXN Texas Instruments Inc. | 2.03% | 12,334,019 | $2.6B | Reduce -11.8% |
| ORCL Oracle Corp. | 1.94% | 11,182,800 | $2.4B | Add +3.8% |
| BABA Alibaba Group Holding-SP ADR | 1.87% | 20,764,276 | $2.4B | Add +0.7% |
| FDX FedEx Corp. | 1.82% | 10,091,340 | $2.3B | Reduce -15.4% |
| TSLA Tesla Inc. | 1.74% | 6,917,165 | $2.2B | Reduce -2.3% |
| BIIB Biogen Inc. | 1.57% | 15,802,122 | $2.0B | Reduce -0.9% |
| SONY Sony Group Corp. - SP ADR | 1.46% | 70,741,440 | $1.8B | Reduce -24.7% |
| INTC Intel Corp. | 1.43% | 80,298,180 | $1.8B | Add +4.3% |
| SCHW Schwab (charles) Corp. | 1.38% | 19,034,806 | $1.7B | Add +35.9% |
| FLEX Flex Ltd. | 1.33% | 33,603,616 | $1.7B | Reduce -7.0% |
| AMZN Amazon.com Inc. | 1.31% | 7,540,338 | $1.7B | Add +36.8% |
| ADBE Adobe Inc. | 1.27% | 4,157,536 | $1.6B | Reduce -23.3% |
| LUV Southwest Airlines Co. | 1.26% | 48,844,143 | $1.6B | Reduce -1.7% |
| RJF Raymond James Financial Inc. | 1.22% | 10,013,852 | $1.5B | Add +3.0% |
| V Visa Inc. Class A | 1.20% | 4,247,543 | $1.5B | Add +9.7% |
| GOOG Alphabet Inc. Class C | 1.19% | 8,476,357 | $1.5B | Reduce -22.2% |
| UAL United Airlines Holdings Inc. | 1.19% | 18,834,710 | $1.5B | Reduce -13.6% |
| JPM JPMorgan Chase & Co. | 1.16% | 5,045,127 | $1.5B | Reduce -0.1% |
| WFC Wells Fargo & Co. | 1.15% | 18,177,960 | $1.5B | Reduce -17.0% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 1.13% | 11,536,892 | $1.4B | Reduce -1.4% |
| ROST Ross Stores Inc. | 1.04% | 10,268,700 | $1.3B | Add +0.5% |
| NVS Novartis AG-Sponsored ADR | 1.00% | 10,401,434 | $1.3B | Add +0.2% |
| ONC Beone Medicines Ltd.-ADR | 0.98% | 5,088,279 | $1.2B | Add +0.7% |
| NTAP Netapp Inc. | 0.94% | 11,166,845 | $1.2B | Reduce -2.9% |
| ACM Aecom | 0.86% | 9,563,252 | $1.1B | Reduce -5.8% |
| GSK GSK PLC-Spon ADR | 0.84% | 27,726,780 | $1.1B | Add +7.8% |
| BMY Bristol-Myers Squibb Co. | 0.84% | 22,944,650 | $1.1B | Reduce -0.1% |
| HES Hess Corp. | 0.84% | 7,652,265 | $1.1B | Add +7.3% |
| BIDU Baidu Inc. - Spon ADR | 0.82% | 12,116,750 | $1.0B | Add +1.4% |
| INTU Intuit Inc. | 0.82% | 1,307,737 | $1.0B | Reduce -5.5% |
| RCL Royal Caribbean Cruises Ltd. | 0.79% | 3,175,668 | $994.4M | Reduce -10.5% |
| DAL Delta Air Lines Inc. | 0.79% | 20,193,832 | $993.1M | Reduce -5.7% |
| NTRS Northern Trust Corp. | 0.78% | 7,793,757 | $988.2M | Add +19.5% |
| TMO Thermo Fisher Scientific Inc. | 0.77% | 2,406,192 | $975.6M | Add +3.8% |
| BMRN Biomarin Pharmaceutical Inc. | 0.69% | 15,772,173 | $867.0M | Reduce -11.3% |
| TDG Transdigm Group Inc. | 0.67% | 557,923 | $848.4M | Add +8.8% |
| ADI Analog Devices Inc. | 0.65% | 3,446,280 | $820.3M | Reduce -0.9% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.62% | 6,345,497 | $786.9M | Add +2.4% |
| META Meta Platforms Inc. Class A | 0.60% | 1,017,530 | $751.0M | Add +11.9% |
| JBL Jabil Inc. | 0.59% | 3,410,410 | $743.8M | Add +0.7% |
| ELAN Elanco Animal Health Inc. | 0.59% | 51,766,814 | $739.2M | Add +3.1% |
| COP Conocophillips | 0.56% | 7,883,455 | $707.5M | Add +66.0% |
| MAT Mattel Inc. | 0.52% | 33,218,261 | $655.1M | Reduce -5.5% |
| J Jacobs Solutions Inc. | 0.49% | 4,749,829 | $624.4M | Add +2.1% |
| AAL American Airlines Group Inc. | 0.48% | 53,472,382 | $600.0M | Reduce -11.5% |
| CME Cme Group Inc. | 0.43% | 1,988,495 | $548.1M | Add +8.6% |
| QCOM Qualcomm Inc. | 0.43% | 3,383,567 | $538.9M | Reduce -9.9% |
| CAT Caterpillar Inc. | 0.42% | 1,370,898 | $532.2M | Reduce -0.6% |
| FLUT Flutter Entertainment PLC-Di | 0.39% | 1,717,089 | $490.7M | Add +80.3% |
| HPE Hewlett Packard Enterprise | 0.39% | 23,804,787 | $486.8M | Reduce -14.9% |
| PYPL PayPal Holdings Inc. | 0.39% | 6,542,450 | $486.2M | Add +9.5% |
| XOM Exxon Mobil Corp. | 0.37% | 4,365,796 | $470.6M | Reduce -29.8% |
| WHR Whirlpool Corp. | 0.37% | 4,595,012 | $466.0M | Reduce -0.5% |
| HPQ HP Inc. | 0.36% | 18,644,020 | $456.0M | Reduce -13.8% |
| ZBH Zimmer Biomet Holdings Inc. | 0.34% | 4,710,830 | $429.7M | Add +0.6% |
| MRSH Marsh & McLennan Cos | 0.34% | 1,962,826 | $429.2M | Reduce -27.0% |
| AAPL Apple Inc. | 0.34% | 2,089,680 | $428.7M | Reduce -5.8% |
| BNTX Biontech SE-ADR | 0.34% | 4,001,466 | $426.0M | Reduce -1.1% |
| NXT Nextpower Inc. filed as NEXTRACKER INC | 0.33% | 7,675,821 | $417.3M | Add +1.1% |
| DLTR Dollar Tree Inc. | 0.31% | 3,925,510 | $388.8M | Add +0.3% |
| CSCO Cisco Systems Inc. | 0.30% | 5,499,360 | $381.5M | Reduce -0.5% |
| PGR Progressive Corp. | 0.28% | 1,339,480 | $357.5M | Add +2.2% |
| OLED Universal Display Corp. | 0.27% | 2,215,308 | $342.2M | Add +20.7% |
| ASML ASML Holding NV-NY Reg SHS | 0.27% | 422,609 | $338.7M | Reduce -20.4% |
| CW Curtiss-Wright Corp. | 0.26% | 683,840 | $334.1M | Reduce -7.6% |
| TRMB Trimble Inc. | 0.25% | 4,232,541 | $321.6M | Reduce -1.8% |
| AMAT Applied Materials Inc. | 0.25% | 1,750,026 | $320.4M | Reduce -28.7% |
| TXT Textron Inc. | 0.25% | 3,988,340 | $320.2M | Reduce -14.9% |
| KMX Carmax Inc. | 0.25% | 4,737,911 | $318.4M | Reduce -0.7% |
| RYTM Rhythm Pharmaceuticals Inc. | 0.24% | 4,878,037 | $308.2M | Reduce -15.7% |
| EOG EOG Resources Inc. | 0.24% | 2,522,462 | $301.7M | Reduce -0.8% |
| MKTX Marketaxess Holdings Inc. | 0.24% | 1,339,292 | $299.1M | Reduce -1.6% |
| MA Mastercard Inc. Class A | 0.23% | 527,341 | $296.3M | Add +25.8% |
| SYY Sysco Corp. | 0.23% | 3,777,119 | $286.1M | Reduce -8.2% |
| AMTM Amentum Holdings Inc. | 0.23% | 12,030,656 | $284.0M | Add +19.6% |
| USFD US Foods Holding Corp. | 0.22% | 3,580,710 | $275.8M | Add +84.4% |
| TER Teradyne Inc. | 0.22% | 3,047,558 | $274.0M | Add +58.6% |
| EW Edwards Lifesciences Corp. | 0.21% | 3,446,891 | $269.6M | Add +49.9% |
| NSC Norfolk Southern Corp. | 0.21% | 1,050,083 | $268.8M | Add +49.0% |
| NFLX Netflix Inc. | 0.21% | 197,240 | $264.1M | Add +32.6% |
| GLW Corning Inc. | 0.21% | 4,984,372 | $262.1M | Reduce -39.6% |
| XPEV Xpeng Inc. - ADR | 0.20% | 14,423,077 | $257.9M | Add +0.3% |
| UNP Union Pacific Corp. | 0.20% | 1,100,366 | $253.2M | Reduce -25.8% |
| ENTG Entegris Inc. | 0.20% | 3,065,170 | $247.2M | Add +12.0% |
| LIN Linde PLC | 0.19% | 523,920 | $245.8M | Add +85.2% |
| MRVL Marvell Technology Inc. | 0.19% | 3,163,835 | $244.9M | Add +46.1% |
| DHR Danaher Corp. | 0.19% | 1,239,320 | $244.8M | Add +924.2% |
| C Citigroup Inc. | 0.19% | 2,786,955 | $237.2M | Reduce -3.1% |
| UPS United Parcel Service Class B | 0.18% | 2,297,531 | $231.9M | Reduce -0.3% |
| OTIS Otis Worldwide Corp. | 0.18% | 2,314,361 | $229.2M | Add +28.4% |
| AVGO Broadcom Inc. | 0.18% | 823,998 | $227.1M | Reduce -12.7% |
Portfolio Sells Q1 2025 → Q2 2025
| LLY Eli Lilly & Co. | Reduce -17.8% | 7.51% | −2.58 |
| AMGN Amgen Inc. | Reduce -14.2% | 2.35% | −0.84 |
| FDX FedEx Corp. | Reduce -15.4% | 1.82% | −0.59 |
| SONY Sony Group Corp. - SP ADR | Reduce -24.7% | 1.46% | −0.51 |
| ADBE Adobe Inc. | Reduce -23.3% | 1.27% | −0.44 |
| BMRN Biomarin Pharmaceutical Inc. | Reduce -11.3% | 0.69% | −0.35 |
| BMY Bristol-Myers Squibb Co. | Reduce -0.1% | 0.84% | −0.32 |
| BAC Bank of America Corp. | Reduce -72.9% | 0.10% | −0.24 |
| XOM Exxon Mobil Corp. | Reduce -29.8% | 0.37% | −0.24 |
| BIIB Biogen Inc. | Reduce -0.9% | 1.57% | −0.23 |
| GOOG Alphabet Inc. Class C | Reduce -22.2% | 1.19% | −0.22 |
| MRSH Marsh & McLennan Cos | Reduce -27.0% | 0.34% | −0.20 |
| WFC Wells Fargo & Co. | Reduce -17.0% | 1.15% | −0.15 |
| HPQ HP Inc. | Reduce -13.8% | 0.36% | −0.13 |
| LUV Southwest Airlines Co. | Reduce -1.7% | 1.26% | −0.12 |
| ERIC Ericsson (lm) Tel-SP ADR | Reduce -42.2% | 0.18% | −0.12 |
| RIG Transocean Ltd. | Reduce -75.6% | 0.03% | −0.11 |
| GLW Corning Inc. | Reduce -39.6% | 0.21% | −0.10 |
| BSX Boston Scientific Corp. | Reduce -5.0% | 2.95% | −0.09 |
| UNP Union Pacific Corp. | Reduce -25.8% | 0.20% | −0.09 |
| DFS Discover Financial Services | Sold out | 0.00% | −0.08 |
| AAPL Apple Inc. | Reduce -5.8% | 0.34% | −0.07 |
| UAL United Airlines Holdings Inc. | Reduce -13.6% | 1.19% | −0.06 |
| KMX Carmax Inc. | Reduce -0.7% | 0.25% | −0.05 |
| AAL American Airlines Group Inc. | Reduce -11.5% | 0.48% | −0.05 |
| QCOM Qualcomm Inc. | Reduce -9.9% | 0.43% | −0.05 |
| TXN Texas Instruments Inc. | Reduce -11.8% | 2.03% | −0.05 |
| TJX TJX Companies Inc. | Reduce -1.4% | 1.13% | −0.05 |
| MAT Mattel Inc. | Reduce -5.5% | 0.52% | −0.05 |
| PODD Insulet Corp. | Reduce -55.6% | 0.05% | −0.05 |
| LHX L3HARRIS Technologies Inc. | Sold out | 0.00% | −0.04 |
| AMAT Applied Materials Inc. | Reduce -28.7% | 0.25% | −0.04 |
| MS Morgan Stanley | Reduce -44.7% | 0.07% | −0.04 |
| DD Dupont DE Nemours Inc. | Reduce -13.5% | 0.12% | −0.04 |
| ALB Albemarle Corp. | Reduce -0.8% | 0.16% | −0.03 |
| EOG EOG Resources Inc. | Reduce -0.8% | 0.24% | −0.03 |
| DSGX The Descartes Systems Grp | Reduce -16.6% | 0.12% | −0.03 |
| SYY Sysco Corp. | Reduce -8.2% | 0.23% | −0.03 |
| PINS Pinterest Inc. Class A | Reduce -33.4% | 0.07% | −0.03 |
| TXT Textron Inc. | Reduce -14.9% | 0.25% | −0.03 |
| UPS United Parcel Service Class B | Reduce -0.3% | 0.18% | −0.03 |
| CHTR Charter Communications Inc. Class A | Reduce -38.6% | 0.05% | −0.02 |
| IT Gartner Inc. | Reduce -62.0% | 0.01% | −0.02 |
| ASML ASML Holding NV-NY Reg SHS | Reduce -20.4% | 0.27% | −0.02 |
| HON Honeywell International Inc. | Sold out | 0.00% | −0.02 |
| LUNG Pulmonx Corp. | Reduce -4.6% | 0.01% | −0.02 |
| BBWI Bath & Body Works Inc. | Reduce -62.8% | 0.01% | −0.02 |
| MDT Medtronic PLC | Reduce -32.7% | 0.03% | −0.02 |
| NTNX Nutanix Inc. Class A | Reduce -13.6% | 0.17% | −0.02 |
| ALKS Alkermes PLC | Reduce -3.4% | 0.07% | −0.02 |
Portfolio Buys Q1 2025 → Q2 2025
| MSFT Microsoft Corp. | Add +0.3% | 3.59% | +0.77 |
| ORCL Oracle Corp. | Add +3.8% | 1.94% | +0.69 |
| SCHW Schwab (charles) Corp. | Add +35.9% | 1.38% | +0.47 |
| AMZN Amazon.com Inc. | Add +36.8% | 1.31% | +0.44 |
| NTRS Northern Trust Corp. | Add +19.5% | 0.78% | +0.25 |
| GOOGL Alphabet Inc. Class A | Add +2.2% | 2.34% | +0.24 |
| FLUT Flutter Entertainment PLC-Di | Add +80.3% | 0.39% | +0.21 |
| JBL Jabil Inc. | Add +0.7% | 0.59% | +0.21 |
| DHR Danaher Corp. | Add +924.2% | 0.19% | +0.17 |
| META Meta Platforms Inc. Class A | Add +11.9% | 0.60% | +0.16 |
| ELAN Elanco Animal Health Inc. | Add +3.1% | 0.59% | +0.15 |
| COP Conocophillips | Add +66.0% | 0.56% | +0.15 |
| DIS The Walt Disney Co. | Add +2.4% | 0.62% | +0.12 |
| PM Philip Morris International | Add +599.2% | 0.13% | +0.11 |
| USFD US Foods Holding Corp. | Add +84.4% | 0.22% | +0.11 |
| RJF Raymond James Financial Inc. | Add +3.0% | 1.22% | +0.10 |
| BAH Booz Allen Hamilton Holdings | Add +2011.8% | 0.10% | +0.10 |
| NFLX Netflix Inc. | Add +32.6% | 0.21% | +0.09 |
| COF Capital One Financial Corp. | New | 0.09% | +0.09 |
| TER Teradyne Inc. | Add +58.6% | 0.22% | +0.09 |
| LIN Linde PLC | Add +85.2% | 0.19% | +0.09 |
| TDG Transdigm Group Inc. | Add +8.8% | 0.67% | +0.09 |
| MRVL Marvell Technology Inc. | Add +46.1% | 0.19% | +0.08 |
| UNH Unitedhealth Group Inc. | Add +2528.0% | 0.08% | +0.08 |
| EW Edwards Lifesciences Corp. | Add +49.9% | 0.21% | +0.08 |
| NSC Norfolk Southern Corp. | Add +49.0% | 0.21% | +0.07 |
| AMTM Amentum Holdings Inc. | Add +19.6% | 0.23% | +0.07 |
| V Visa Inc. Class A | Add +9.7% | 1.20% | +0.07 |
| NXT Nextpower Inc. | Add +1.1% | 0.33% | +0.07 |
| DLTR Dollar Tree Inc. | Add +0.3% | 0.31% | +0.07 |
| PYPL PayPal Holdings Inc. | Add +9.5% | 0.39% | +0.06 |
| DOW Dow Inc. | Add +270.0% | 0.10% | +0.06 |
| AME Ametek Inc. | Add +122.4% | 0.11% | +0.06 |
| OLED Universal Display Corp. | Add +20.7% | 0.27% | +0.06 |
| STX Seagate Technology Holdings | Add +18.4% | 0.11% | +0.05 |
| GKOS Glaukos Corp. | Add +50.0% | 0.15% | +0.05 |
| MDB Mongodb Inc. | Add +20.1% | 0.17% | +0.05 |
| ROK Rockwell Automation Inc. | Add +51.1% | 0.10% | +0.05 |
| MA Mastercard Inc. Class A | Add +25.8% | 0.23% | +0.04 |
| WELL Welltower Inc. | Add +878.5% | 0.05% | +0.04 |
| PFGC Performance Food Group Co. | Add +22.1% | 0.18% | +0.04 |
| CMA Comerica Inc. | Add +55.3% | 0.12% | +0.04 |
| NVS Novartis AG-Sponsored ADR | Add +0.2% | 1.00% | +0.04 |
| GRAL Grail Inc. | Add +0.1% | 0.08% | +0.04 |
| CARR Carrier Global Corp. | Add +22.2% | 0.15% | +0.04 |
| GE General Electric | New | 0.04% | +0.04 |
| ALC Alcon Inc. | Add +76.5% | 0.09% | +0.03 |
| INDI Indie Semiconductor Inc. Class A | Add +1.9% | 0.08% | +0.03 |
| CME Cme Group Inc. | Add +8.6% | 0.43% | +0.03 |
| J Jacobs Solutions Inc. | Add +2.1% | 0.49% | +0.03 |
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 |