PRIMECAP MANAGEMENT CO/CA/
Comparing Q1 2026 vs Q4 2025
Sorting applies to all holdings for this quarter on the server, then the page is sliced. Prior-quarter values come from the full prior-quarter filing.
Issuer ▲▼ | Shares | Value ($K) | ||||
|---|---|---|---|---|---|---|
Q4 2025 ▲▼ | Q1 2026 ▲▼ | Change ▲▼ | Q4 2025 ▲▼ | Q1 2026 ▲▼ | Change ▲▼ | |
| ASTRAZENECA PLC | 0 | 18,213,708 | +18,213,708 | 0 | 3,592,107,490 | +3,592,107,490 |
| INTEL CORP | 76,132,268 | 75,761,968 | -370,300 | 2,809,280,689 | 3,343,375,647 | +534,094,958 |
| FEDEX CORP | 8,512,671 | 8,303,010 | -209,661 | 2,458,970,146 | 2,957,366,459 | +498,396,313 |
| CONOCOPHILLIPS | 11,577,465 | 11,579,265 | +1,800 | 1,083,766,499 | 1,528,462,980 | +444,696,481 |
| ROSS STORES INC | 9,207,200 | 9,170,030 | -37,170 | 1,658,585,007 | 1,986,503,598 | +327,918,591 |
| MICRON TECHNOLOGY INC | 24,794,936 | 21,874,204 | -2,920,732 | 7,076,722,684 | 7,389,981,079 | +313,258,395 |
| NEXTPOWER INC | 6,951,597 | 6,760,847 | -190,750 | 605,553,615 | 815,020,105 | +209,466,490 |
| AMGEN INC | 8,904,979 | 8,874,129 | -30,850 | 2,914,688,677 | 3,122,362,289 | +207,673,612 |
| CORNING INC | 4,138,172 | 4,134,772 | -3,400 | 362,338,340 | 562,204,949 | +199,866,609 |
| BRISTOL-MYERS SQUIBB CO | 24,875,550 | 24,985,149 | +109,599 | 1,341,787,169 | 1,515,349,351 | +173,562,182 |
| TELEFONAKTIEBOLAGET LM ERICS | 26,629,299 | 37,504,013 | +10,874,714 | 256,972,737 | 422,670,226 | +165,697,489 |
| GSK PLC | 25,130,160 | 25,204,538 | +74,378 | 1,232,383,047 | 1,391,038,453 | +158,655,406 |
| BOEING CO | 9,100 | 795,910 | +786,810 | 1,975,792 | 158,409,967 | +156,434,175 |
| ANALOG DEVICES INC | 3,141,640 | 3,136,089 | -5,551 | 852,012,768 | 997,715,672 | +145,702,904 |
| CARNIVAL CORP | 0 | 5,363,703 | +5,363,703 | 0 | 138,812,634 | +138,812,634 |
| TEXAS INSTRS INC | 10,084,686 | 9,654,766 | -429,920 | 1,749,592,174 | 1,874,376,272 | +124,784,098 |
| CHEVRON CORPORATION | 2,325,352 | 2,291,577 | -33,775 | 354,406,898 | 474,127,281 | +119,720,383 |
| GITLAB INC | 1,159,261 | 7,299,050 | +6,139,789 | 43,507,065 | 157,951,441 | +114,444,376 |
| CATERPILLAR INC | 880,170 | 872,260 | -7,910 | 504,222,988 | 617,961,318 | +113,738,330 |
| NOVARTIS AG | 7,579,274 | 7,567,354 | -11,920 | 1,044,954,508 | 1,155,913,327 | +110,958,819 |
| JABIL INC | 3,343,670 | 3,281,169 | -62,501 | 762,423,633 | 871,577,187 | +109,153,554 |
| BIOGEN INC | 14,757,997 | 14,757,607 | -390 | 2,597,259,895 | 2,705,512,094 | +108,252,199 |
| ENTEGRIS INC | 3,160,334 | 3,142,833 | -17,501 | 266,258,140 | 368,465,859 | +102,207,719 |
| KLA CORP | 2,875,962 | 2,437,647 | -438,315 | 3,494,523,909 | 3,589,215,820 | +94,691,911 |
| ASML HLDG NV | 356,776 | 353,076 | -3,700 | 381,700,371 | 466,353,374 | +84,653,003 |
| APPLIED MATLS INC | 1,233,826 | 1,174,126 | -59,700 | 317,080,943 | 401,304,524 | +84,223,581 |
| ALBEMARLE CORP | 2,805,069 | 2,664,709 | -140,360 | 396,748,959 | 478,395,207 | +81,646,248 |
| DOW HLDGS INC | 4,432,562 | 4,354,562 | -78,000 | 103,633,301 | 181,367,509 | +77,734,208 |
| US FOODS HLDG CORP | 3,911,610 | 3,946,310 | +34,700 | 294,622,465 | 363,889,245 | +69,266,780 |
| WASTE MGMT INC DEL | 0 | 277,600 | +277,600 | 0 | 63,789,704 | +63,789,704 |
| CARRIER GLOBAL CORPORATION | 2,919,575 | 3,840,205 | +920,630 | 154,270,343 | 216,241,944 | +61,971,601 |
| LINDE PLC | 888,620 | 888,520 | -100 | 378,898,682 | 440,492,675 | +61,593,993 |
| EOG RES INC | 1,620,262 | 1,599,662 | -20,600 | 170,143,713 | 231,263,136 | +61,119,423 |
| FORMFACTOR INC | 2,081,246 | 1,788,644 | -292,602 | 116,091,902 | 173,480,582 | +57,388,680 |
| CURTISS WRIGHT CORP | 564,000 | 536,840 | -27,160 | 310,916,281 | 365,652,461 | +54,736,180 |
| IDEX CORP | 3,226,787 | 3,302,937 | +76,150 | 574,174,479 | 626,071,710 | +51,897,231 |
| ELANCO ANIMAL HEALTH INC | 46,214,088 | 45,840,956 | -373,132 | 1,045,824,811 | 1,096,974,077 | +51,149,266 |
| CIENA CORP | 511,600 | 438,050 | -73,550 | 119,647,892 | 170,064,152 | +50,416,260 |
| L3HARRIS TECHNOLOGIES INC | 0 | 143,000 | +143,000 | 0 | 49,356,450 | +49,356,450 |
| FLEXTRONICS INTL LTD | 26,702,091 | 25,383,448 | -1,318,643 | 1,613,340,338 | 1,661,600,508 | +48,260,170 |
| NETFLIX INC. | 4,023,110 | 4,411,790 | +388,680 | 377,206,794 | 424,193,610 | +46,986,816 |
| KEYSIGHT TECHNOLOGIES INC | 592,605 | 590,825 | -1,780 | 120,411,412 | 166,831,257 | +46,419,845 |
| MARVELL TECHNOLOGY INC | 2,926,805 | 2,974,705 | +47,900 | 248,719,888 | 294,644,531 | +45,924,643 |
| TJX COS INC NEW | 9,739,320 | 9,588,920 | -150,400 | 1,496,056,946 | 1,531,350,524 | +35,293,578 |
| TECHNIPFMC PLC | 1,388,370 | 1,380,370 | -8,000 | 61,865,767 | 95,424,978 | +33,559,211 |
| XPO INC | 569,634 | 568,334 | -1,300 | 77,418,957 | 110,569,380 | +33,150,423 |
| QNITY ELECTRONICS INC | 972,974 | 970,514 | -2,460 | 79,443,328 | 111,977,906 | +32,534,578 |
| EVERCORE INC | 220,050 | 353,950 | +133,900 | 74,872,014 | 105,657,614 | +30,785,600 |
| TRONOX HOLDINGS PLC | 5,478,402 | 5,478,402 | 0 | 22,844,936 | 53,523,987 | +30,679,051 |
| MARSH & MCLENNAN COS INC | 518,200 | 717,500 | +199,300 | 96,136,464 | 124,450,375 | +28,313,911 |
| VIPER ENERGY INC | 692,100 | 1,165,252 | +473,152 | 26,735,823 | 54,755,191 | +28,019,368 |
| CAVA GROUP INC | 1,260,250 | 1,260,250 | 0 | 73,964,073 | 101,954,225 | +27,990,152 |
| WESTERN DIGITAL CORP | 753,540 | 577,210 | -176,330 | 129,812,337 | 156,129,533 | +26,317,196 |
| ADVANCED MICRO DEVICES INC | 875,699 | 1,049,520 | +173,821 | 187,539,698 | 213,503,855 | +25,964,157 |
| BURLINGTON STORES INC | 807,190 | 792,590 | -14,600 | 233,156,832 | 257,892,934 | +24,736,102 |
| TERADYNE INC | 716,570 | 550,610 | -165,960 | 138,699,290 | 163,233,841 | +24,534,551 |
| PALVELLA THERAPEUTICS INC NE | 0 | 195,030 | +195,030 | 0 | 24,310,490 | +24,310,490 |
| CME GROUP INC | 1,879,018 | 1,818,718 | -60,300 | 513,122,235 | 537,158,364 | +24,036,129 |
| HANOVER INS GROUP INC | 36,900 | 176,040 | +139,140 | 6,744,213 | 30,516,535 | +23,772,322 |
| COSTAR GROUP INC | 151,000 | 803,600 | +652,600 | 10,153,240 | 32,417,224 | +22,263,984 |
| COTERRA ENERGY INC | 2,289,750 | 2,289,750 | 0 | 60,266,220 | 80,461,815 | +20,195,595 |
| MOOG INC | 439,860 | 433,360 | -6,500 | 107,127,903 | 126,818,470 | +19,690,567 |
| CORTEVA INC | 1,190,180 | 1,188,050 | -2,130 | 79,777,766 | 99,451,667 | +19,673,901 |
| HP INC | 17,655,485 | 21,469,625 | +3,814,140 | 393,364,206 | 412,431,500 | +19,067,294 |
| ALKERMES PLC | 2,564,300 | 2,539,990 | -24,310 | 71,749,112 | 89,814,046 | +18,064,934 |
| SYNAPTICS INC | 211,700 | 448,400 | +236,700 | 15,670,034 | 31,405,936 | +15,735,902 |
| CAMECO CORP | 933,670 | 927,670 | -6,000 | 85,421,469 | 100,754,239 | +15,332,770 |
| HONEYWELL INTL INC | 488,200 | 488,200 | 0 | 95,242,938 | 110,347,846 | +15,104,908 |
| PARSONS CORP DEL | 650,700 | 1,020,400 | +369,700 | 40,213,260 | 55,275,068 | +15,061,808 |
| DELL TECHNOLOGIES INC | 375,150 | 374,650 | -500 | 47,223,883 | 61,491,304 | +14,267,421 |
| CARMAX INC | 4,367,236 | 4,358,146 | -9,090 | 168,749,999 | 181,211,709 | +12,461,710 |
| NORTHERN TR CORP | 6,607,717 | 6,549,037 | -58,680 | 902,548,066 | 914,049,094 | +11,501,028 |
| DUPONT DE NEMOURS INC | 1,997,419 | 1,997,159 | -260 | 80,296,243 | 91,469,883 | +11,173,640 |
| EXXON MOBIL CORP | 265,630 | 249,726 | -15,904 | 31,965,914 | 42,368,513 | +10,402,599 |
| SEPTERNA INC | 546,100 | 1,048,834 | +502,734 | 15,225,268 | 25,203,482 | +9,978,214 |
| ARM HOLDINGS PLC | 233,880 | 233,880 | 0 | 25,565,423 | 35,381,367 | +9,815,944 |
| NVENT ELEC PLC | 573,850 | 573,850 | 0 | 58,515,485 | 67,874,978 | +9,359,493 |
| ALLOGENE THERAPEUTICS INC | 8,139,840 | 8,379,840 | +240,000 | 11,151,581 | 20,446,810 | +9,295,229 |
| FIFTH THIRD BANCORP | 0 | 196,260 | +196,260 | 0 | 9,118,240 | +9,118,240 |
| HUNT J B TRANS SVCS INC | 517,710 | 517,710 | 0 | 100,611,761 | 109,702,749 | +9,090,988 |
| NEKTAR THERAPEUTICS | 280,150 | 279,150 | -1,000 | 11,844,742 | 20,084,842 | +8,240,100 |
| SPOTIFY TECHNOLOGY S A | 263,956 | 332,556 | +68,600 | 153,281,889 | 161,259,730 | +7,977,841 |
| BANK NEW YORK MELLON CORP | 2,521,678 | 2,534,640 | +12,962 | 292,741,599 | 300,684,343 | +7,942,744 |
| AXCELIS TECHNOLOGIES INC | 664,942 | 658,652 | -6,290 | 53,421,440 | 61,307,328 | +7,885,888 |
| CASEYS GEN STORES INC | 46,000 | 45,700 | -300 | 25,424,660 | 33,263,202 | +7,838,542 |
| AMETEK INC | 823,154 | 823,154 | 0 | 169,001,747 | 176,451,291 | +7,449,544 |
| LIVANOVA PLC | 4,224,852 | 4,207,052 | -17,800 | 259,955,144 | 267,400,227 | +7,445,083 |
| NORFOLK SOUTHN CORP | 1,002,183 | 1,033,410 | +31,227 | 289,350,276 | 296,588,670 | +7,238,394 |
| DEERE & CO | 72,670 | 72,670 | 0 | 33,832,972 | 40,935,011 | +7,102,039 |
| TOAST INC | 156,000 | 476,500 | +320,500 | 5,539,560 | 12,632,015 | +7,092,455 |
| LIVE NATION ENTERTAINMENT IN | 730,600 | 728,200 | -2,400 | 104,110,500 | 111,057,782 | +6,947,282 |
| DICKS SPORTING GOODS INC | 26,050 | 60,550 | +34,500 | 5,157,119 | 12,006,460 | +6,849,341 |
| BJS WHSL CLUB HLDGS INC | 843,379 | 840,749 | -2,630 | 75,929,412 | 82,746,516 | +6,817,104 |
| EBAY INC. | 1,884,020 | 1,877,140 | -6,880 | 164,098,142 | 170,857,283 | +6,759,141 |
| BIRKENSTOCK HOLDING PLC | 386,800 | 597,200 | +210,400 | 15,820,120 | 21,397,676 | +5,577,556 |
| XCEL ENERGY INC | 0 | 67,000 | +67,000 | 0 | 5,322,480 | +5,322,480 |
| WELLTOWER INC | 384,309 | 384,309 | 0 | 71,331,593 | 75,981,733 | +4,650,140 |
| PERFORMANCE FOOD GROUP CO | 2,529,987 | 2,707,798 | +177,811 | 227,496,432 | 231,949,977 | +4,453,545 |
| KIRBY CORP | 277,803 | 263,803 | -14,000 | 30,608,335 | 35,054,143 | +4,445,808 |
| NLIGHT INC | 226,739 | 226,739 | 0 | 8,504,980 | 12,928,658 | +4,423,678 |