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CIK: 0000763212
Total reported value
$169.1B
$169.1B
319 檔
17.0%
According to the latest 13F quarterly dataset, Primecap Management Co/ca/ managed an equity portfolio of $169.1B at the end of Q4 2025, spanning 319 distinct U.S. exchange-listed positions.
In Q4 2025, Primecap Management Co/ca/ adopted a defensive or profit-taking posture, trimming 148 positions and completely liquidating 5 holdings to manage risk exposure.
Showing top 200 holdings (of 319 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | LLY | Eli Lilly & Co | Stock-Healthcare | 7.54% | -0.17% | -14.17% | |
| 2 | MU | Micron Technology Inc | Stock-Tech | 5.36% | +7.30% | -16.39% | |
| 3 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 3.58% | -0.25% | -4.11% | |
| 4 | MSFT | Microsoft CORP | Stock-Tech | 2.67% | -0.54% | -13.13% | |
| 5 | KLAC | Kla CORP | Stock-Tech | 2.65% | +0.83% | -18.65% | |
| 6 | AZNN | Astrazeneca Plc-spons Adr | Stock-Other | 2.57% | — | -7.38% | |
| 7 | NVDA | Nvidia CORP | Stock-Tech | 2.43% | -0.34% | -8.20% | |
| 8 | BSX | Boston Scientific CORP | Stock-Healthcare | 2.24% | -0.34% | -6.06% | |
| 9 | AMGN | Amgen Inc | Stock-Healthcare | 2.21% | -1.01% | -8.27% | |
| 10 | TSLA | Tesla Inc | Stock-Consumer Disc | 2.15% | -0.27% | -4.60% | |
| 11 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 2.14% | -0.30% | +14.40% | |
| 12 | INTC | Intel CORP | Stock-Tech | 2.13% | +3.58% | -4.12% | |
| 13 | BABA | Alibaba Group Holding-sp Adr | Stock-Consumer Disc | 2.11% | -0.79% | -5.06% | |
| 14 | BIIB | Biogen Inc | Stock-Healthcare | 1.97% | -0.19% | -1.32% | |
| 15 | FDX | Fedex CORP | Stock-Industrials | 1.86% | -0.82% | -9.84% | |
| 16 | SCHW | Schwab (charles) CORP | Stock-Financials | 1.76% | -0.36% | +9.75% | |
| 17 | LUV | Southwest Airlines Co | Stock-Industrials | 1.48% | +0.09% | -1.26% | |
| 18 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 1.37% | -0.16% | -5.95% | |
| 19 | UAL | United Airlines Holdings Inc | Stock-Industrials | 1.35% | +0.18% | -11.25% | |
| 20 | TXN | Texas Instruments Inc | Stock-Tech | 1.32% | +0.02% | -10.21% | |
| 21 | ROST | Ross Stores Inc | Stock-Consumer Disc | 1.26% | -0.41% | -7.51% | |
| 22 | FLEX | Flex Ltd. | Stock-Tech | 1.22% | +0.93% | -9.82% | |
| 23 | ONC | Beone Medicines Ltd-adr | Stock-Other | 1.15% | -0.32% | -1.97% | |
| 24 | RJF | Raymond James Financial Inc | Stock-Financials | 1.14% | -0.24% | -3.15% | |
| 25 | TJX | Tjx Companies Inc | Stock-Consumer Disc | 1.13% | -0.36% | -7.46% | |
| 26 | SONY | Sony Group CORP - Sp Adr | Stock-Tech | 1.13% | -0.24% | -9.53% | |
| 27 | BIDU | Baidu Inc - Spon Adr | Stock-Comm Services | 1.10% | -0.23% | -8.33% | |
| 28 | V | Visa Inc-class A Shares | Stock-Financials | 1.06% | -0.10% | -1.37% | |
| 29 | BMY | Bristol-myers Squibb Co | Stock-Healthcare | 1.02% | -0.34% | +12.59% | |
| 30 | ADBE | Adobe Inc | Stock-Tech | 0.97% | -0.28% | -4.70% | |
| 31 | GSK | Gsk Plc-spon Adr | Stock-Healthcare | 0.93% | -0.32% | -2.47% | |
| 32 | DAL | Delta Air Lines Inc | Stock-Industrials | 0.92% | +0.05% | -3.83% | |
| 33 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 0.90% | -0.18% | -10.68% | |
| 34 | ORCL | Oracle CORP | Stock-Tech | 0.89% | -0.19% | -19.96% | |
| 35 | JPM | Jpmorgan Chase & Co | Stock-Financials | 0.88% | -0.14% | -6.02% | |
| 36 | COP | Conocophillips | Stock-Energy | 0.82% | -0.49% | +11.85% | |
| 37 | ELAN | Elanco Animal Health Inc | Stock-Healthcare | 0.79% | -0.20% | -7.49% | |
| 38 | NVS | Novartis Ag-sponsored Adr | Stock-Healthcare | 0.79% | -0.30% | -18.87% | |
| 39 | NTAP | Netapp Inc | Stock-Tech | 0.74% | +0.10% | -5.84% | |
| 40 | NTRS | Northern Trust CORP | Stock-Financials | 0.68% | -0.09% | -12.38% | |
| 41 | BMRN | Biomarin Pharmaceutical Inc | Stock-Healthcare | 0.65% | -0.15% | -4.46% | |
| 42 | ADI | Analog Devices Inc | Stock-Tech | 0.64% | -0.06% | -4.22% | |
| 43 | ACM | Aecom | Stock-Industrials | 0.63% | -0.22% | -2.38% | |
| 44 | WFC | Wells Fargo & Co | Stock-Financials | 0.59% | -0.15% | -43.99% | |
| 45 | JBL | Jabil Inc | Stock-Tech | 0.58% | +0.03% | +0.38% | |
| 46 | AAL | American Airlines Group Inc | Stock-Industrials | 0.57% | +0.35% | -1.29% | |
| 47 | DIS | Walt Disney Co/the | Stock-Comm Services | 0.54% | -0.07% | -0.17% | |
| 48 | INTU | Intuit Inc | Stock-Tech | 0.53% | -0.19% | -5.81% | |
| 49 | RCL | Royal Caribbean Cruises Ltd. | Stock-Consumer Disc | 0.51% | -0.11% | -12.56% | |
| 50 | NXT | Nextpower Inc-cl A | Stock-Tech | 0.46% | -0.17% | -6.82% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | MU | Micron Technology Inc | +1.6% | -16.39% | Trim |
| 2 | LLY | Eli Lilly & Co | +1.2% | -14.17% | Trim |
| 3 | GOOGL | Alphabet Inc-cl A | +0.6% | -4.11% | Trim |
| 4 | BIIB | Biogen Inc | +0.4% | -1.32% | Trim |
| 5 | AMZN | Amazon.com Inc | +0.3% | +14.40% | Add |
| 6 | LUV | Southwest Airlines Co | +0.3% | -1.26% | Trim |
| 7 | BMY | Bristol-myers Squibb Co | +0.3% | +12.59% | Add |
| 8 | AZNN | Astrazeneca Plc-spons Adr | +0.2% | -7.38% | Trim |
| 9 | GOOG | Alphabet Inc-cl C | +0.2% | -5.95% | Trim |
| 10 | SNPS | Synopsys Inc | +0.2% | +743.63% | Add |
| 11 | SCHW | Schwab (charles) CORP | +0.2% | +9.75% | Add |
| 12 | IEX | Idex CORP | +0.2% | +86.46% | Add |
| 13 | FDX | Fedex CORP | +0.2% | -9.84% | Trim |
| 14 | BNY | Bank Of New York Mellon CORP | +0.2% | +214.64% | Add |
| 15 | GKOS | Glaukos CORP | +0.2% | +49.83% | Add |
| 16 | BAH | Booz Allen Hamilton Holdings | +0.2% | +135.22% | Add |
| 17 | AAL | American Airlines Group Inc | +0.1% | -1.29% | Trim |
| 18 | MKTX | Marketaxess Holdings Inc | +0.1% | +42.36% | Add |
| 19 | DAL | Delta Air Lines Inc | +0.1% | -3.83% | Trim |
| 20 | AMGN | Amgen Inc | +0.1% | -8.27% | Trim |
| 21 | NFLX | Netflix Inc | +0.1% | +1950.10% | Add |
| 22 | ROST | Ross Stores Inc | +0.1% | -7.51% | Trim |
| 23 | FICO | Fair Isaac CORP | +0.1% | +34.72% | Add |
| 24 | ALB | Albemarle CORP | +0.1% | -13.85% | Trim |
| 25 | INTC | Intel CORP | +0.1% | -4.12% | Trim |
| 26 | LIN | Linde plc | +0.1% | +64.89% | Add |
| 27 | GSK | Gsk Plc-spon Adr | +0.1% | -2.47% | Trim |
| 28 | AMD | Advanced Micro Devices | +0.1% | +95.46% | Add |
| 29 | COP | Conocophillips | +0.1% | +11.85% | Add |
| 30 | ILMN | Illumina Inc | +0.1% | +5.54% | Add |
| 31 | BURL | Burlington Stores Inc | +0.1% | +33.65% | Add |
| 32 | DLTR | Dollar Tree Inc | +0.1% | -8.62% | Trim |
| 33 | CAVA | Cava Group Inc | +0.1% | +1378.30% | Add |
| 34 | AMTM | Amentum Holdings Inc | +0.1% | +1.75% | Add |
| 35 | IMNM | Immunome Inc | +0.1% | +55.25% | Add |
| 36 | MAT | Mattel Inc | +0.1% | -4.94% | Trim |
| 37 | TMO | Thermo Fisher Scientific Inc | 0% | -10.68% | Trim |
| 38 | WVE | Wave Life Sciences Ltd. | 0% | +115.69% | Add |
| 39 | NXT | Nextpower Inc-cl A | 0% | -6.82% | Trim |
| 40 | DHR | Danaher CORP | 0% | +2.12% | Add |
| 41 | WSC | Willscot Holdings CORP | 0% | +210.92% | Add |
| 42 | ERIC | Ericsson (lm) Tel-sp Adr | 0% | +6.97% | Add |
| 43 | MDB | Mongodb Inc | 0% | -14.25% | Trim |
| 44 | JBL | Jabil Inc | 0% | +0.38% | Add |
| 45 | GRAL | Grail Inc | 0% | -9.02% | Trim |
| 46 | FORM | Formfactor Inc | 0% | -10.47% | Trim |
| 47 | UAL | United Airlines Holdings Inc | 0% | -11.25% | Trim |
| 48 | ADI | Analog Devices Inc | 0% | -4.22% | Trim |
| 49 | BMRN | Biomarin Pharmaceutical Inc | 0% | -4.46% | Trim |
| 50 | ELAN | Elanco Animal Health Inc | 0% | -7.49% | Trim |
According to official SEC Form 13F filings, Primecap Management Co/ca/ reported a total U.S. public equity portfolio value of $169.1B across 319 disclosed positions in Q4 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including LLY, MU, GOOGL) accounted for 17.0% of total reported equity market value during Q4 2025.
Top New Position Initiated
Q
市值: $79.4M
Top Position Liquidated / Trimmed
EA
前期市值: $68.4M
During Q4 2025, Primecap Management Co/ca/'s top holdings by market value included LLY (7.5%)、MU (5.4%)、GOOGL (3.6%). The largest single position, LLY, represented 7.5% of total portfolio value.
In Q4 2025, Primecap Management Co/ca/ made 198 total portfolio adjustments, initiating 6 new buys, adding to 39 positions, trimming 148 holdings, and fully liquidating 5 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.