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PRIMECAP MANAGEMENT CO/CA/
Period ended Jun 30, 2026 · Latest filing Aug 14, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2024: $136,008,850,458
- Dec 31, 2024: $129,119,418,859
- Mar 31, 2025: $120,960,512,182
- Jun 30, 2025: $126,189,120,741
- Sep 30, 2025: $130,569,348,437
- Dec 31, 2025: $132,110,156,202
- Mar 31, 2026: $127,010,591,624
- Jun 30, 2026: $169,112,441,771
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- MICRON TECHNOLOGY INC · COM · 595112103 · shares: $22,182,263,342
- ELI LILLY & CO · COM · 532457108 · shares: $11,002,256,246
- INTEL CORP · COM · 458140100 · shares: $10,507,291,264
- KLA CORP · COM NEW · 482480100 · shares: $6,196,136,809
- ALPHABET INC · CAP STK CL A · 02079K305 · shares: $5,310,435,649
- FLEX LTD · ORD · Y2573F102 · shares: $3,785,772,872
- ASTRAZENECA PLC · ORD · G0593M107 · shares: $3,431,207,652
- NVIDIA CORPORATION · COM · 67066G104 · shares: $3,417,373,127
- BIOGEN INC · COM · 09062X103 · shares: $3,274,304,389
- AMAZON COM INC · COM · 023135106 · shares: $2,851,067,887
Reported holdings
324 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| MICRON TECHNOLOGY INC | COM | 595112103 | — | 19,217,236 shares | $22,182,263,342 |
| ELI LILLY & CO | COM | 532457108 | — | 9,172,904 shares | $11,002,256,246 |
| INTEL CORP | COM | 458140100 | — | 75,250,958 shares | $10,507,291,264 |
| KLA CORP | COM NEW | 482480100 | — | 20,536,730 shares | $6,196,136,809 |
| ALPHABET INC | CAP STK CL A | 02079K305 | — | 14,859,769 shares | $5,310,435,649 |
| FLEX LTD | ORD | Y2573F102 | — | 23,358,875 shares | $3,785,772,872 |
| ASTRAZENECA PLC | ORD | G0593M107 | — | 18,095,178 shares | $3,431,207,652 |
| NVIDIA CORPORATION | COM | 67066G104 | — | 17,079,180 shares | $3,417,373,127 |
| BIOGEN INC | COM | 09062X103 | — | 15,154,606 shares | $3,274,304,389 |
| AMAZON COM INC | COM | 023135106 | — | 11,962,188 shares | $2,851,067,887 |
| MICROSOFT CORP | COM | 594918104 | — | 7,140,870 shares | $2,663,687,328 |
| TESLA INC | COM | 88160R101 | — | 6,103,030 shares | $2,566,934,418 |
| FEDEX CORP | COM | 31428X106 | — | 8,156,799 shares | $2,554,138,472 |
| TEXAS INSTRS INC | COM | 882508104 | — | 8,514,989 shares | $2,538,062,771 |
| SOUTHWEST AIRLS CO | COM | 844741108 | — | 48,797,725 shares | $2,509,179,019 |
| AMGEN INC | COM | 031162100 | — | 6,756,962 shares | $2,446,831,080 |
| SCHWAB CHARLES CORP | COM | 808513105 | — | 25,120,895 shares | $2,317,904,983 |
| UNITED AIRLS HLDGS INC | COM | 910047109 | — | 16,461,630 shares | $2,238,617,065 |
| BOSTON SCIENTIFIC CORP | COM | 101137107 | — | 50,520,914 shares | $2,156,232,608 |
| ROSS STORES INC | COM | 778296103 | — | 9,104,980 shares | $1,937,994,996 |
| ALPHABET INC | CAP STK CL C | 02079K107 | — | 5,399,060 shares | $1,907,649,872 |
| ALIBABA GROUP HLDG LTD | SPONSORED ADS | 01609W102 | — | 18,611,306 shares | $1,786,313,150 |
| DELTA AIR LINES INC | COM NEW | 247361702 | — | 17,521,167 shares | $1,641,032,503 |
| VISA INC | COM CL A | 92826C839 | — | 4,268,491 shares | $1,464,476,578 |
| BRISTOL-MYERS SQUIBB CO | COM | 110122108 | — | 24,923,900 shares | $1,436,115,120 |
| TJX COS INC NEW | COM | 872540109 | — | 9,476,020 shares | $1,435,617,030 |
| BEONE MEDICINES LTD | SPONSORED ADS | 07725L102 | — | 5,007,931 shares | $1,427,110,097 |
| RAYMOND JAMES FINL INC | COM | 754730109 | — | 9,242,552 shares | $1,405,145,182 |
| NETAPP INC | COM | 64110D104 | — | 9,016,690 shares | $1,395,422,945 |
| GSK PLC | SPONSORED ADR | 37733W204 | — | 25,182,068 shares | $1,320,044,006 |
| AMERICAN AIRLINES GROUP INC | COM | 02376R102 | — | 70,732,954 shares | $1,278,144,480 |
| BAIDU INC | SPON ADR REP A | 056752108 | — | 11,010,100 shares | $1,258,344,329 |
| ANALOG DEVICES INC | COM | 032654105 | — | 3,128,329 shares | $1,242,478,827 |
| JABIL INC | COM | 466313103 | — | 3,167,120 shares | $1,220,861,418 |
| CONOCOPHILLIPS | COM | 20825C104 | — | 11,588,365 shares | $1,204,726,426 |
| SONY GROUP CORP | SPONSORED ADR | 835699307 | — | 59,603,230 shares | $1,195,640,794 |
| ELANCO ANIMAL HEALTH INC | COM | 28414H103 | — | 45,445,012 shares | $1,118,401,745 |
| JPMORGAN CHASE & CO | COM | 46625H100 | — | 3,382,627 shares | $1,107,235,296 |
| ADOBE INC | COM | 00724F101 | — | 5,227,139 shares | $1,071,668,037 |
| NORTHERN TR CORP | COM | 665859104 | — | 6,100,742 shares | $1,060,552,989 |
| CORNING INC | COM | 219350105 | — | 4,131,872 shares | $1,055,404,065 |
| NOVARTIS AG | SPONSORED ADR | 66987V109 | — | 6,592,124 shares | $1,033,117,672 |
| THERMO FISHER SCIENTIFIC INC | COM | 883556102 | — | 1,982,271 shares | $993,831,390 |
| CATERPILLAR INC | COM | 149123101 | — | 871,700 shares | $928,273,330 |
| MARVELL TECHNOLOGY INC | COM | 573874104 | — | 2,757,995 shares | $821,579,131 |
| BIOMARIN PHARMACEUTICAL INC | COM | 09061G101 | — | 14,190,183 shares | $811,962,329 |
| NEXTPOWER INC | CLASS A COM | 65290E101 | — | 6,688,767 shares | $796,899,701 |
| ORACLE CORP | COM | 68389X105 | — | 5,386,230 shares | $789,352,009 |
| HEWLETT PACKARD ENTERPRISE C | COM | 42824C109 | — | 17,140,875 shares | $773,224,873 |
| APPLIED MATLS INC | COM | 038222105 | — | 1,042,926 shares | $754,035,498 |
| IDEX CORP | COM | 45167R104 | — | 3,300,072 shares | $748,951,342 |
| ASML HLDG NV | N Y REGISTRY SHS | N07059210 | — | 351,576 shares | $699,439,357 |
| DISNEY WALT CO | COM | 254687106 | — | 7,020,957 shares | $675,767,113 |
| ROYAL CARIBBEAN GROUP | COM | V7780T103 | — | 2,109,421 shares | $669,804,451 |
| XOMETRY INC | CLASS A COM | 98423F109 | — | 6,636,057 shares | $640,512,221 |
| ILLUMINA INC | COM | 452327109 | — | 3,514,649 shares | $617,980,735 |
| AECOM | COM | 00766T100 | — | 8,787,043 shares | $613,335,602 |
| FEDEX FGHT HLDG CO INC | COMMON STOCK | 314352105 | — | 4,048,660 shares | $611,347,660 |
| ADVANCED MICRO DEVICES INC | COM | 007903107 | — | 1,047,730 shares | $608,636,835 |
| JACOBS SOLUTIONS INC | COM | 46982L108 | — | 4,565,799 shares | $575,290,674 |
| CISCO SYS INC | COM | 17275R102 | — | 4,838,460 shares | $568,325,512 |
| ENTEGRIS INC | COM | 29362U104 | — | 3,125,433 shares | $562,140,559 |
| WELLS FARGO & CO | COM | 949746101 | — | 6,712,022 shares | $554,681,499 |
| TRANSDIGM GROUP INC | COM | 893641100 | — | 410,217 shares | $546,425,452 |
| HP INC | COM | 40434L105 | — | 24,885,325 shares | $545,984,030 |
| APPLE INC | COM | 037833100 | — | 1,760,880 shares | $509,528,237 |
| TELEFONAKTIEBOLAGET LM ERICS | ADR B SEK 10 | 294821608 | — | 41,613,613 shares | $463,991,787 |
| LINDE PLC | SHS | G54950103 | — | 886,920 shares | $460,258,265 |
| DOLLAR TREE INC | COM | 256746108 | — | 3,768,875 shares | $455,845,433 |
| FAIR ISAAC CORP | COM | 303250104 | — | 362,835 shares | $433,508,002 |
| GLAUKOS CORP | COM | 377322102 | — | 3,040,705 shares | $424,968,931 |
| PAYPAL HLDGS INC | COM | 70450Y103 | — | 9,775,170 shares | $422,091,841 |
| CME GROUP INC | COM | 12572Q105 | — | 1,904,643 shares | $420,602,316 |
| MATTEL INC | COM | 577081102 | — | 29,505,735 shares | $409,539,602 |
| US FOODS HLDG CORP | COM | 912008109 | — | 3,980,409 shares | $406,996,923 |
| SYNOPSYS INC | COM | 871607107 | — | 895,350 shares | $399,388,777 |
| META PLATFORMS INC | CL A | 30303M102 | — | 708,290 shares | $398,972,675 |
| MARKETAXESS HLDGS INC | COM | 57060D108 | — | 3,504,905 shares | $397,771,671 |
| CURTISS WRIGHT CORP | COM | 231561101 | — | 514,815 shares | $390,106,214 |
| BOOZ ALLEN HAMILTON HLDG COR | CL A | 099502106 | — | 6,397,644 shares | $388,145,061 |
| CHEVRON CORPORATION | COM | 166764100 | — | 2,285,458 shares | $378,837,521 |
| BANK OF NY MELLON CORP | COM | 064058100 | — | 2,603,540 shares | $376,497,920 |
| DANAHER CORP DEL | COM | 235851102 | — | 1,889,070 shares | $359,830,054 |
| ALBEMARLE CORP | COM | 012653101 | — | 2,652,009 shares | $358,100,776 |
| MARSH & MCLENNAN COS INC | COM | 571748102 | — | 2,145,025 shares | $357,511,318 |
| RHYTHM PHARMACEUTICALS INC | COM | 76243J105 | — | 3,168,853 shares | $351,837,748 |
| BIONTECH SE | SPONSORED ADS | 09075V102 | — | 3,772,031 shares | $350,987,486 |
| PALO ALTO NETWORKS INC | COM | 697435105 | — | 1,019,890 shares | $347,802,888 |
| LIVANOVA PLC | SHS | G5509L101 | — | 4,168,377 shares | $342,765,723 |
| NETFLIX INC. | COM | 64110L106 | — | 4,790,465 shares | $342,039,201 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 | — | 654,691 shares | $336,249,298 |
| WESTERN DIGITAL CORP | COM | 958102105 | — | 516,440 shares | $329,860,556 |
| ZIMMER BIOMET HOLDINGS INC | COM | 98956P102 | — | 3,816,680 shares | $328,577,983 |
| CITIGROUP INC | COM NEW | 172967424 | — | 2,333,600 shares | $326,610,656 |
| NORFOLK SOUTHN CORP | COM | 655844108 | — | 1,032,910 shares | $324,943,157 |
| SYSCO CORP | COM | 871829107 | — | 3,750,929 shares | $313,502,646 |
| EDWARDS LIFESCIENCES CORP | COM | 28176E108 | — | 3,408,291 shares | $308,314,004 |
| PERFORMANCE FOOD GROUP CO | COM | 71377A103 | — | 2,728,898 shares | $305,063,507 |
| INTUIT | COM | 461202103 | — | 1,110,067 shares | $289,727,487 |
| MONGODB INC | CL A | 60937P106 | — | 846,004 shares | $284,172,744 |