13F holdings
PRIMECAP MANAGEMENT CO/CA/ portfolio
Managed by . 320 reported positions worth $127.0B as of 2026-03-31, filed with the SEC on 2026-05-11. Parsed from the filing itself, not a reseller.
$127.0B
Book value
320
Positions
33%
Top 10 weight
+9
New this quarter
-8
Exited
134 days
Age today
How old this actually is
Every position on this page is a snapshot of 2026-03-31. It was already 41 days old on 2026-05-11, the day it first became public. Today it is 134 days old.
That lag is the law, not a service level — Rule 13f-1 gives managers 45 days after quarter end to file, and no product can shorten it. A fund can have sold every share below before you read this sentence. Treat it as a record of what happened, never as a position you can follow.
What changed
Positions opened and closed
Against its 2025-12-31 filing. This is the part worth reading — the holdings table below is mostly years old.
New positions (9)
| Ticker | Issuer | Value | Shares | % of book |
|---|---|---|---|---|
| AZN | ASTRAZENECA PLC | $3.6B | 18,213,708 | 2.83% |
| WM | WASTE MGMT INC DEL | $63.8M | 277,600 | 0.05% |
| LHX | L3HARRIS TECHNOLOGIES INC | $49.4M | 143,000 | 0.04% |
| PVLA | PALVELLA THERAPEUTICS INC NE | $24.3M | 195,030 | 0.02% |
| FITB | FIFTH THIRD BANCORP | $9.1M | 196,260 | 0.01% |
| XEL | XCEL ENERGY INC | $5.3M | 67,000 | 0.00% |
| ITT | ITT INC | $1.7M | 9,000 | 0.00% |
| WMG | WARNER MUSIC GROUP CORP | $441,842 | 17,300 | 0.00% |
| SNDK | SANDISK CORP | $254,136 | 400 | 0.00% |
Closed out (8)
| Ticker | Issuer | Was worth | Shares | % of book |
|---|---|---|---|---|
| AZNN | ASTRAZENECA PLC | $3.4B | 36,915,261 | 0.00% |
| CYBR | CYBERARK SOFTWARE LTD | $13.6M | 30,500 | 0.00% |
| CMA | COMERICA INC | $10.9M | 125,160 | 0.00% |
| SOLS | SOLSTICE ADVANCED MATLS INC | $5.8M | 119,750 | 0.00% |
| EXK | EXACT SCIENCES CORP | $3.5M | 34,300 | 0.00% |
| SNCY | SUN CTRY AIRLS HLDGS INC | $2.1M | 142,915 | 0.00% |
| CRCL | CIRCLE INTERNET GROUP INC | $206,180 | 2,600 | 0.00% |
| LESL | LESLIES INC | $108,167 | 65,556 | 0.00% |
Added to (63)
| Ticker | Issuer | Value | Shares | % of book | Shares Δ |
|---|---|---|---|---|---|
| BSX | BOSTON SCIENTIFIC CORP | $2.0B | 32,529,774 | 1.61% | +5% |
| V | VISA INC | $1.2B | 4,060,201 | 0.97% | +1% |
| ADBE | ADOBE INC | $1.1B | 4,730,846 | 0.91% | +29% |
| IEX | IDEX CORP | $626.1M | 3,302,937 | 0.49% | +2% |
| MKTX | MARKETAXESS HLDGS INC | $552.2M | 3,347,125 | 0.43% | +5% |
| INTU | INTUIT | $463.2M | 1,071,317 | 0.36% | +1% |
| PYPL | PAYPAL HLDGS INC | $453.5M | 10,026,490 | 0.36% | +23% |
| NFLX | NETFLIX INC. | $424.2M | 4,411,790 | 0.33% | +10% |
| ERIC | TELEFONAKTIEBOLAGET LM ERICS | $422.7M | 37,504,013 | 0.33% | +41% |
| HPQ | HP INC | $412.4M | 21,469,625 | 0.32% | +22% |
| BAH | BOOZ ALLEN HAMILTON HLDG COR | $376.9M | 4,829,798 | 0.30% | +4% |
| SNPS | SYNOPSYS INC | $326.1M | 822,400 | 0.26% | +12% |
| FICO | FAIR ISAAC CORP | $308.6M | 289,047 | 0.24% | +19% |
| NSC | NORFOLK SOUTHN CORP | $296.6M | 1,033,410 | 0.23% | +3% |
| DHR | DANAHER CORP DEL | $295.2M | 1,556,970 | 0.23% | +5% |
Trimmed (97)
| Ticker | Issuer | Value | Shares | % of book | Shares Δ |
|---|---|---|---|---|---|
| IQV | IQVIA HLDGS INC | $10.6M | 62,332 | 0.01% | -86% |
| FIS | FIDELITY NATL INFORMATION SV | $10.2M | 217,406 | 0.01% | -74% |
| NFE | NEW FORTRESS ENERGY INC | $318,777 | 540,300 | 0.00% | -74% |
| QCOM | QUALCOMM INC | $90.9M | 705,587 | 0.07% | -70% |
| MARQETA INC | MARQETA INC | $667,488 | 163,600 | 0.00% | -69% |
| DOCU | DOCUSIGN INC | $5.7M | 120,000 | 0.00% | -66% |
| IBTA | IBOTTA INC | $1.3M | 41,935 | 0.00% | -52% |
| WEX | WEX INC | $17.9M | 116,760 | 0.01% | -46% |
| STX | SEAGATE TECHNOLOGY HLDNGS PL | $90.2M | 230,332 | 0.07% | -40% |
| RIG | TRANSOCEAN LTD | $17.1M | 2,573,290 | 0.01% | -35% |
| U | UNITY SOFTWARE INC | $3.6M | 165,310 | 0.00% | -33% |
| RVTY | REVVITY INC | $76.0M | 867,030 | 0.06% | -30% |
| MXL | MAXLINEAR INC | $3.0M | 174,410 | 0.00% | -28% |
| CSX | CSX CORP | $67.1M | 1,634,900 | 0.05% | -25% |
| TPR | TAPESTRY INC | $3.1M | 21,900 | 0.00% | -25% |
The book
Largest 150 of 320 holdings
| Ticker | Issuer | Value | Shares | % of book | Shares Δ |
|---|---|---|---|---|---|
| LLY | ELI LILLY & CO | $8.5B | 9,223,432 | 6.68% | — |
| MU | MICRON TECHNOLOGY INC | $7.4B | 21,874,204 | 5.82% | — |
| GOOGL | ALPHABET INC | $4.3B | 14,987,459 | 3.39% | — |
| AZN | ASTRAZENECA PLC | $3.6B | 18,213,708 | 2.83% | — |
| KLAC | KLA CORP | $3.6B | 2,437,647 | 2.83% | — |
| INTC | INTEL CORP | $3.3B | 75,761,968 | 2.63% | — |
| AMGN | AMGEN INC | $3.1B | 8,874,129 | 2.46% | — |
| NVDA | NVIDIA CORPORATION | $3.0B | 17,188,230 | 2.36% | — |
| FDX | FEDEX CORP | $3.0B | 8,303,010 | 2.33% | — |
| BIIB | BIOGEN INC | $2.7B | 14,757,607 | 2.13% | — |
| MSFT | MICROSOFT CORP | $2.7B | 7,264,560 | 2.12% | — |
| AMZN | AMAZON COM INC | $2.5B | 12,107,038 | 1.99% | — |
| BABA | ALIBABA GROUP HLDG LTD | $2.3B | 18,722,316 | 1.85% | — |
| TSLA | TESLA INC | $2.3B | 6,125,520 | 1.79% | — |
| SCHW | SCHWAB CHARLES CORP | $2.2B | 23,441,915 | 1.73% | — |
| BSX | BOSTON SCIENTIFIC CORP | $2.0B | 32,529,774 | 1.61% | — |
| ROST | ROSS STORES INC | $2.0B | 9,170,030 | 1.56% | — |
| TXN | TEXAS INSTRS INC | $1.9B | 9,654,766 | 1.48% | — |
| LUV | SOUTHWEST AIRLS CO | $1.8B | 47,069,495 | 1.39% | — |
| FLEXTRONICS INTL LTD | FLEXTRONICS INTL LTD | $1.7B | 25,383,448 | 1.31% | — |
| GOOG | ALPHABET INC | $1.6B | 5,720,910 | 1.29% | — |
| TJX | TJX COS INC NEW | $1.5B | 9,588,920 | 1.21% | — |
| COP | CONOCOPHILLIPS | $1.5B | 11,579,265 | 1.20% | — |
| BMY | BRISTOL-MYERS SQUIBB CO | $1.5B | 24,985,149 | 1.19% | — |
| ONC | BEONE MEDICINES LTD | $1.5B | 4,975,181 | 1.16% | — |
| UAL | UNITED AIRLS HLDGS INC | $1.5B | 15,750,610 | 1.14% | — |
| GSK | GSK PLC | $1.4B | 25,204,538 | 1.10% | — |
| RJF | RAYMOND JAMES FINL INC | $1.4B | 9,347,172 | 1.07% | — |
| BIDU | BAIDU INC | $1.2B | 11,056,800 | 0.97% | — |
| V | VISA INC | $1.2B | 4,060,201 | 0.97% | — |
| SONY | SONY GROUP CORP | $1.2B | 58,530,830 | 0.95% | — |
| DAL | DELTA AIR LINES INC | $1.2B | 17,548,567 | 0.92% | — |
| NVS | NOVARTIS AG | $1.2B | 7,567,354 | 0.91% | — |
| ADBE | ADOBE INC | $1.1B | 4,730,846 | 0.91% | — |
| ELAN | ELANCO ANIMAL HEALTH INC | $1.1B | 45,840,956 | 0.86% | — |
| JPM | JPMORGAN CHASE & CO | $1.0B | 3,403,527 | 0.79% | — |
| ADI | ANALOG DEVICES INC | $997.7M | 3,136,089 | 0.79% | — |
| TMO | THERMO FISHER SCIENTIFIC INC | $974.5M | 1,982,531 | 0.77% | — |
| NTAP | NETAPP INC | $927.4M | 9,057,455 | 0.73% | — |
| NTRS | NORTHERN TR CORP | $914.0M | 6,549,037 | 0.72% | — |
| JBL | JABIL INC | $871.6M | 3,281,169 | 0.69% | — |
| ORCL | ORACLE CORP | $834.7M | 5,674,130 | 0.66% | — |
| NXT | NEXTPOWER INC | $815.0M | 6,760,847 | 0.64% | — |
| BMRN | BIOMARIN PHARMACEUTICAL INC | $801.8M | 14,194,005 | 0.63% | — |
| ACM | AECOM | $733.4M | 8,647,073 | 0.58% | — |
| ROYAL CARIBBEAN GROUP | ROYAL CARIBBEAN GROUP | $645.8M | 2,346,921 | 0.51% | — |
| IEX | IDEX CORP | $626.1M | 3,302,937 | 0.49% | — |
| CAT | CATERPILLAR INC | $618.0M | 872,260 | 0.49% | — |
| WFC | WELLS FARGO & CO | $614.8M | 7,723,102 | 0.48% | — |
| DIS | DISNEY WALT CO | $600.9M | 6,235,127 | 0.47% | — |
| J | JACOBS SOLUTIONS INC | $574.7M | 4,515,479 | 0.45% | — |
| GLW | CORNING INC | $562.2M | 4,134,772 | 0.44% | — |
| MKTX | MARKETAXESS HLDGS INC | $552.2M | 3,347,125 | 0.43% | — |
| CME | CME GROUP INC | $537.2M | 1,818,718 | 0.42% | — |
| AAL | AMERICAN AIRLINES GROUP INC | $526.2M | 48,989,954 | 0.41% | — |
| ALB | ALBEMARLE CORP | $478.4M | 2,664,709 | 0.38% | — |
| TDG | TRANSDIGM GROUP INC | $475.4M | 410,217 | 0.37% | — |
| CVX | CHEVRON CORPORATION | $474.1M | 2,291,577 | 0.37% | — |
| ASML | ASML HLDG NV | $466.4M | 353,076 | 0.37% | — |
| INTU | INTUIT | $463.2M | 1,071,317 | 0.36% | — |
| PYPL | PAYPAL HLDGS INC | $453.5M | 10,026,490 | 0.36% | — |
| AAPL | APPLE INC | $446.9M | 1,760,880 | 0.35% | — |
| META | META PLATFORMS INC | $443.0M | 774,240 | 0.35% | — |
| LIN | LINDE PLC | $440.5M | 888,520 | 0.35% | — |
| MAT | MATTEL INC | $431.5M | 29,697,924 | 0.34% | — |
| NFLX | NETFLIX INC. | $424.2M | 4,411,790 | 0.33% | — |
| ERIC | TELEFONAKTIEBOLAGET LM ERICS | $422.7M | 37,504,013 | 0.33% | — |
| HPQ | HP INC | $412.4M | 21,469,625 | 0.32% | — |
| HPE | HEWLETT PACKARD ENTERPRISE C | $410.2M | 17,229,080 | 0.32% | — |
| DLTR | DOLLAR TREE INC | $408.3M | 3,728,875 | 0.32% | — |
| AMAT | APPLIED MATLS INC | $401.3M | 1,174,126 | 0.32% | — |
| BAH | BOOZ ALLEN HAMILTON HLDG COR | $376.9M | 4,829,798 | 0.30% | — |
| CSCO | CISCO SYS INC | $375.5M | 4,839,160 | 0.30% | — |
| ENTG | ENTEGRIS INC | $368.5M | 3,142,833 | 0.29% | — |
| CW | CURTISS WRIGHT CORP | $365.7M | 536,840 | 0.29% | — |
| USFD | US FOODS HLDG CORP | $363.9M | 3,946,310 | 0.29% | — |
| GKOS | GLAUKOS CORP | $362.9M | 3,370,628 | 0.29% | — |
| ZBH | ZIMMER BIOMET HOLDINGS INC | $353.3M | 3,907,150 | 0.28% | — |
| BNTX | BIONTECH SE | $337.2M | 3,793,711 | 0.27% | — |
| SNPS | SYNOPSYS INC | $326.1M | 822,400 | 0.26% | — |
| AMTM | AMENTUM HOLDINGS INC | $315.2M | 12,085,294 | 0.25% | — |
| FICO | FAIR ISAAC CORP | $308.6M | 289,047 | 0.24% | — |
| BNY | BANK NEW YORK MELLON CORP | $300.7M | 2,534,640 | 0.24% | — |
| RYTM | RHYTHM PHARMACEUTICALS INC | $297.2M | 3,417,509 | 0.23% | — |
| NSC | NORFOLK SOUTHN CORP | $296.6M | 1,033,410 | 0.23% | — |
| DHR | DANAHER CORP DEL | $295.2M | 1,556,970 | 0.23% | — |
| MRVL | MARVELL TECHNOLOGY INC | $294.6M | 2,974,705 | 0.23% | — |
| MA | MASTERCARD INCORPORATED | $290.9M | 582,171 | 0.23% | — |
| EW | EDWARDS LIFESCIENCES CORP | $274.1M | 3,422,791 | 0.22% | — |
| C | CITIGROUP INC | $271.1M | 2,390,500 | 0.21% | — |
| LIVN | LIVANOVA PLC | $267.4M | 4,207,052 | 0.21% | — |
| XMTR | XOMETRY INC | $265.3M | 6,495,497 | 0.21% | — |
| SYY | SYSCO CORP | $264.1M | 3,701,838 | 0.21% | — |
| BURL | BURLINGTON STORES INC | $257.9M | 792,590 | 0.20% | — |
| TRMB | TRIMBLE INC | $255.6M | 3,917,861 | 0.20% | — |
| ILMN | ILLUMINA INC | $254.8M | 2,067,299 | 0.20% | — |
| PFGC | PERFORMANCE FOOD GROUP CO | $231.9M | 2,707,798 | 0.18% | — |
| EOG | EOG RES INC | $231.3M | 1,599,662 | 0.18% | — |
| AVGO | BROADCOM INC | $230.1M | 743,318 | 0.18% | — |
| XPEV | XPENG INC | $217.9M | 12,732,987 | 0.17% | — |
| CARR | CARRIER GLOBAL CORPORATION | $216.2M | 3,840,205 | 0.17% | — |
| AMD | ADVANCED MICRO DEVICES INC | $213.5M | 1,049,520 | 0.17% | — |
| UPS | UNITED PARCEL SVCS INC | $211.1M | 2,146,131 | 0.17% | — |
| MDB | MONGODB INC | $206.3M | 842,729 | 0.16% | — |
| WHR | WHIRLPOOL CORP | $202.0M | 3,746,368 | 0.16% | — |
| OLED | UNIVERSAL DISPLAY CORP | $200.5M | 2,187,428 | 0.16% | — |
| UNP | UNION PAC CORP | $199.7M | 823,240 | 0.16% | — |
| PGR | PROGRESSIVE CORP | $199.3M | 1,005,390 | 0.16% | — |
| FLUT | FLUTTER ENTMT PLC | $182.1M | 1,786,290 | 0.14% | — |
| DOW | DOW HLDGS INC | $181.4M | 4,354,562 | 0.14% | — |
| KMX | CARMAX INC | $181.2M | 4,358,146 | 0.14% | — |
| AME | AMETEK INC | $176.5M | 823,154 | 0.14% | — |
| FORM | FORMFACTOR INC | $173.5M | 1,788,644 | 0.14% | — |
| SYK | STRYKER CORPORATION | $173.1M | 526,672 | 0.14% | — |
| CVS | CVS HEALTH CORP | $172.0M | 2,395,130 | 0.14% | — |
| EBAY | EBAY INC. | $170.9M | 1,877,140 | 0.13% | — |
| CIEN | CIENA CORP | $170.1M | 438,050 | 0.13% | — |
| KEYS | KEYSIGHT TECHNOLOGIES INC | $166.8M | 590,825 | 0.13% | — |
| PANW | PALO ALTO NETWORKS INC | $165.8M | 1,034,166 | 0.13% | — |
| TER | TERADYNE INC | $163.2M | 550,610 | 0.13% | — |
| OTIS | OTIS WORLDWIDE CORP | $161.3M | 2,092,560 | 0.13% | — |
| SPOT | SPOTIFY TECHNOLOGY S A | $161.3M | 332,556 | 0.13% | — |
| BA | BOEING CO | $158.4M | 795,910 | 0.12% | — |
| GTLB | GITLAB INC | $158.0M | 7,299,050 | 0.12% | — |
| WDC | WESTERN DIGITAL CORP | $156.1M | 577,210 | 0.12% | — |
| A | AGILENT TECHNOLOGIES INC | $152.1M | 1,334,006 | 0.12% | — |
| ADSK | AUTODESK INC | $144.4M | 603,100 | 0.11% | — |
| PM | PHILIP MORRIS INTL INC | $142.9M | 864,400 | 0.11% | — |
| CCL1EUR | CARNIVAL CORP | $138.8M | 5,363,703 | 0.11% | — |
| OKTA | OKTA INC | $134.7M | 1,711,428 | 0.11% | — |
| BAC | BANK AMERICA CORP | $134.7M | 2,762,232 | 0.11% | — |
| GD | GENERAL DYNAMICS CORP | $133.5M | 389,010 | 0.11% | — |
| GS | GOLDMAN SACHS GROUP INC | $130.0M | 153,630 | 0.10% | — |
| MOG/A | MOOG INC | $126.8M | 433,360 | 0.10% | — |
| XNCR | XENCOR INC | $124.7M | 10,338,022 | 0.10% | — |
| MRSH | MARSH & MCLENNAN COS INC | $124.5M | 717,500 | 0.10% | — |
| ALK | ALASKA AIR GROUP INC | $119.5M | 3,250,329 | 0.09% | — |
| Q | QNITY ELECTRONICS INC | $112.0M | 970,514 | 0.09% | — |
| IMCR | IMMUNOCORE HLDGS PLC | $111.4M | 3,693,241 | 0.09% | — |
| LYV | LIVE NATION ENTERTAINMENT IN | $111.1M | 728,200 | 0.09% | — |
| XPO | XPO INC | $110.6M | 568,334 | 0.09% | — |
| HONGBP | HONEYWELL INTL INC | $110.3M | 488,200 | 0.09% | — |
| JBHT | HUNT J B TRANS SVCS INC | $109.7M | 517,710 | 0.09% | — |
| TXT | TEXTRON INC | $109.3M | 1,248,660 | 0.09% | — |
| NTNX | NUTANIX INC | $107.4M | 2,826,713 | 0.08% | — |
| EVR | EVERCORE INC | $105.7M | 353,950 | 0.08% | — |
| IMNM | IMMUNOME INC | $104.7M | 4,788,231 | 0.08% | — |
| CAVA | CAVA GROUP INC | $102.0M | 1,260,250 | 0.08% | — |
| ALC | ALCON AG | $101.0M | 1,340,866 | 0.08% | — |
| CCJ | CAMECO CORP | $100.8M | 927,670 | 0.08% | — |
This table is the 150 largest positions by value, out of 320 reported. The search box only searches what is on this page — a name absent from it may still be in the filing further down the book. The full info table is here.
Rows are aggregated by CUSIP — a manager files the same security multiple times when different internal desks hold it. Tickers link to our own backtest of that asset where we cover it.
Read the original
This page was built from one document: the 2026-03-31 Form 13F info table filed by PRIMECAP MANAGEMENT CO/CA/ (CIK 763212, accession 0000763212-26-000016). Every other 13F site is reading the same file.
If anything here disagrees with it, the filing wins — and we would want to know. All 13F filings by this manager
What a 13F cannot show you
A 13F is a long-only equity snapshot, and the holes in it are structural. Anyone selling you this data as "what the smart money is doing" is selling you one leg of a position:
- No short positions. None, ever. A fund shown here as bullish may be net short the same name through a book you cannot see.
- No cash, bonds, FX, commodities or non-US listings. A macro fund's entire thesis can be invisible.
- No intra-quarter round trips. Bought and sold inside the same quarter means it never appears at all.
- Options are notional, not ownership. We keep puts and calls in a separate bucket rather than adding their notional into a fund's book size, which is how a $2B fund gets reported as a $20B one.
- Confidential treatment. Managers can ask the SEC to withhold a position while they build it. Those holdings are legally absent from the filing, so a "new" position may be months old.
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