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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
  • Jun 30, 2026: $169,112,441,771

More quarters will appear as history becomes available.

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
  1. MICRON TECHNOLOGY INC · COM · 595112103 · shares: $22,182,263,342
  2. ELI LILLY & CO · COM · 532457108 · shares: $11,002,256,246
  3. INTEL CORP · COM · 458140100 · shares: $10,507,291,264
  4. KLA CORP · COM NEW · 482480100 · shares: $6,196,136,809
  5. ALPHABET INC · CAP STK CL A · 02079K305 · shares: $5,310,435,649
  6. FLEX LTD · ORD · Y2573F102 · shares: $3,785,772,872
  7. ASTRAZENECA PLC · ORD · G0593M107 · shares: $3,431,207,652
  8. NVIDIA CORPORATION · COM · 67066G104 · shares: $3,417,373,127
  9. BIOGEN INC · COM · 09062X103 · shares: $3,274,304,389
  10. AMAZON COM INC · COM · 023135106 · shares: $2,851,067,887

Reported holdings

324 reported entries
IssuerClassCUSIPTypeShares / principalReported value (USD)
PERIMETER SOLUTIONS INCCOMMON STOCK71385M107 — 1,496,851 shares $53,362,739
BRUKER CORPCOM116794108 — 883,100 shares $53,144,958
PINTEREST INCCL A72352L106 — 2,477,400 shares $52,099,723
DESCARTES SYS GROUP INCCOM249906108 — 728,775 shares $50,460,381
DEERE & COCOM244199105 — 72,670 shares $46,096,762
QUALCOMM INCCOM747525103 — 239,250 shares $44,211,008
REPLIGEN CORPCOM759916109 — 323,268 shares $44,106,686
L3HARRIS TECHNOLOGIES INCCOM502431109 — 143,000 shares $41,554,370
SALESFORCE INCCOM79466L302 — 259,450 shares $40,645,437
GRIFFON CORPCOM398433102 — 411,947 shares $40,177,193
XCEL ENERGY INCCOM98389B100 — 496,300 shares $39,852,890
KEYCORPCOM493267108 — 1,699,430 shares $39,171,862
BIRKENSTOCK HOLDING PLCCOM SHSM2029K104 — 910,100 shares $39,161,603
PALVELLA THERAPEUTICS INC NECOM697947109 — 256,182 shares $39,149,734
SEPTERNA INCCOM81734D104 — 1,167,382 shares $39,095,624
HANOVER INS GROUP INCCOM410867105 — 176,740 shares $37,843,569
BLACKBERRY LTDCOM09228F103 — 2,874,476 shares $36,362,121
NEWELL BRANDS INCCOM651229106 — 5,863,700 shares $36,003,118
TRONOX HOLDINGS PLCSHSG9087Q102 — 5,468,402 shares $34,450,933
KIRBY CORPCOM497266106 — 253,353 shares $34,448,408
EXXON MOBIL CORPCOM30231G102 — 249,726 shares $34,142,538
GFL ENVIRONMENTAL INCSUB VTG SHS36168Q104 — 911,000 shares $33,515,690
MOBILEYE GLOBAL INCCOMMON CLASS A60741F104 — 3,417,080 shares $33,077,334
IVANHOE ELECTRIC INCCOM46578C108 — 3,428,284 shares $32,945,809
NORWEGIAN CRUISE LINE HLDGSSHSG66721104 — 1,548,464 shares $32,688,096
TRADEWEB MKTS INCCL A892672106 — 327,862 shares $32,674,727
WAVE LIFE SCIENCES LTDSHSY95308105 — 5,354,622 shares $31,110,354
UBER TECHNOLOGIES INCCOM90353T100 — 414,600 shares $29,917,536
EXPAND ENERGY CORPORATIONCOM165167735 — 325,447 shares $29,677,512
ULTA BEAUTY INCCOM90384S303 — 61,000 shares $27,509,780
ALLOGENE THERAPEUTICS INCCOM019770106 — 13,123,440 shares $27,296,756
CASEYS GEN STORES INCCOM147528103 — 33,415 shares $26,557,908
ARLO TECHNOLOGIES INCCOM04206A101 — 1,942,330 shares $26,182,609
FLYWIRE CORPORATIONCOM VTG302492103 — 1,445,700 shares $25,400,949
TYSON FOODS INCCL A902494103 — 415,000 shares $23,758,750
TAKE-TWO INTERACTIVE SOFTWARCOM874054109 — 93,929 shares $23,480,371
COSTAR GROUP INCCOM22160N109 — 821,600 shares $23,267,712
SAIA INCCOM78709Y105 — 54,420 shares $22,919,527
SHARKNINJA INCCOM SHSG8068L108 — 144,700 shares $22,033,469
MAXLINEAR INCCOM57776J100 — 164,380 shares $21,045,571
FREEPORT MCMORAN INCCL B35671D857 — 316,470 shares $19,902,798
NEKTAR THERAPEUTICSCOM NEW640268306 — 272,850 shares $19,047,658
ALTRIA GROUP INCCOM02209S103 — 261,000 shares $18,778,951
TOAST INCCL A888787108 — 674,300 shares $18,759,026
WALMART INCCOM931142103 — 144,600 shares $16,377,396
NLIGHT INCCOM65487K100 — 225,539 shares $15,702,025
DOORDASH INCCL A25809K105 — 84,710 shares $15,631,536
RXO INCCOMMON STOCK74982T103 — 565,546 shares $15,603,414
SLB LIMITEDCOM STK806857108 — 329,280 shares $15,308,227
GARTNER INCCOM366651107 — 117,400 shares $15,217,388
CREDO TECHNOLOGY GROUP HOLDIORDINARY SHARESG25457105 — 55,800 shares $15,174,810
INSULET CORPCOM45784P101 — 99,310 shares $15,119,948
MCKESSON CORPCOM58155Q103 — 19,990 shares $15,104,444
DICKS SPORTING GOODS INCCOM253393102 — 64,150 shares $14,549,862
WATERS CORPCOM941848103 — 38,647 shares $14,494,170
FERVO ENERGY COCL A COM31556C106 — 475,800 shares $13,907,634
JETBLUE AIRWAYS CORPCOM477143101 — 2,364,600 shares $13,549,158
THE TRADE DESK INCCOM CL A88339J105 — 732,455 shares $13,242,786
DEXCOM INCCOM252131107 — 192,000 shares $12,931,200
PG&E CORPCOM69331C108 — 766,700 shares $12,895,894
SAP SESPON ADR803054204 — 82,500 shares $12,714,075
TRANSOCEAN LTDREGISTERED SHSH8817H100 — 2,493,290 shares $12,192,188
BITMINE IMMERSION TECHS INCCOM NEW09175A206 — 910,100 shares $12,113,431
VSE CORPCOM918284100 — 52,500 shares $11,996,250
IMAX CORPCOM45245E109 — 273,500 shares $10,901,710
NMI HLDGS INCCOM629209305 — 257,250 shares $10,570,403
RINGCENTRAL INCCL A76680R206 — 264,800 shares $10,321,904
MURPHY USA INCCOM626755102 — 19,111 shares $10,298,345
MCDONALDS CORPCOM580135101 — 33,930 shares $9,171,618
PENUMBRA INCCOM70975L107 — 26,060 shares $8,228,445
FMC CORPCOM NEW302491303 — 695,192 shares $7,994,708
WEX INCCOM96208T104 — 54,660 shares $7,711,979
SAVERS VALUE VLG INCCOM80517M109 — 748,225 shares $7,549,590
GALAXY DIGITAL INC.CL A36317J209 — 273,400 shares $7,474,756
BOOT BARN HLDGS INCCOM099406100 — 45,160 shares $7,418,433
IQVIA HLDGS INCCOM46266C105 — 36,962 shares $7,141,798
BATH & BODY WORKS INCCOM070830104 — 307,380 shares $7,109,700
VALERO ENERGY CORPCOM91913Y100 — 26,000 shares $6,771,440
GXO LOGISTICS INCORPORATEDCOMMON STOCK36262G101 — 125,400 shares $6,357,780
RAMBUS INC DELCOM750917106 — 47,500 shares $6,305,150
BELLRING BRANDS INCCOMMON STOCK07831C103 — 485,800 shares $6,286,252
WINGSTOP INCCOM974155103 — 36,100 shares $6,260,101
TAYLOR MORRISON HOME CORPCOM87724P106 — 84,214 shares $6,041,512
PULMONX CORPCOM745848101 — 4,612,331 shares $5,996,030
INGEVITY CORPCOM45688C107 — 69,000 shares $5,152,230
BRINKER INTL INCCOM109641100 — 28,200 shares $4,737,600
ZENTALIS PHARMACEUTICALS INCCOM98943L107 — 957,420 shares $4,643,487
MERCK & CO INCCOM58933Y105 — 35,700 shares $4,587,450
LPL FINL HLDGS INCCOM50212V100 — 16,000 shares $4,506,880
UNITY SOFTWARE INCCOM91332U101 — 152,710 shares $4,364,452
GIBRALTAR INDS INCCOM374689107 — 95,600 shares $4,311,560
SANOFI SASPONSORED ADR80105N105 — 97,168 shares $4,145,186
ALLEGIANT TRAVEL COCOM01748X102 — 33,450 shares $3,933,720
FIDELITY NATL INFORMATION SVCOM31620M106 — 100,910 shares $3,923,381
FRONTIER GROUP HLDGS INCCOM35909R108 — 494,900 shares $3,914,659
DOCUSIGN INCCOM256163106 — 85,000 shares $3,775,700
HUMANA INCCOM444859102 — 9,250 shares $3,674,285
RIVIAN AUTOMOTIVE INCCOM CL A76954A103 — 210,260 shares $3,648,011
ZOOMINFO TECHNOLOGIES INCCOMMON STOCK98980F104 — 1,183,552 shares $3,467,807
VALVOLINE INCCOM92047W101 — 87,030 shares $3,441,166