13FBOX
PRIMECAP MANAGEMENT CO/CA/ · 13F Holdings
Options Calculator Rankings

PRIMECAP MANAGEMENT CO/CA/

No.74 Data as of 2026Q2
Latest AUM (Q2 2026)
$169.11B
QoQ Change Q1 2026
+$42.10B+33.1%
Holdings
324
New Buys
10
Adds
84
Reduces
179
Exits
6
Unchanged
51
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
MICRON TECHNOLOGY INCMU
13.12%5.82%$22.18B19.2M$7.39B21.9M-2.7M-12.15%Reduce
ELI LILLY & COLLY
6.51%6.68%$11.00B9.2M$8.48B9.2M-50,528-0.55%Reduce
INTEL CORPINTC
6.21%2.63%$10.51B75.3M$3.34B75.8M-511,010-0.67%Reduce
KLA CORPKLAC
3.66%2.83%$6.20B20.5M$3.59B2.4M+18.1M+742.48%Add
ALPHABET INCGOOGL
3.14%3.39%$5.31B14.9M$4.31B15.0M-127,690-0.85%Reduce
FFLEX LTDFLEX
2.24%1.31%$3.79B23.4M$1.66B25.4M-2.0M-7.98%Reduce
ASTRAZENECA PLCAZN
2.03%2.83%$3.43B18.1M$3.59B18.2M-118,530-0.65%Reduce
NVIDIA CORPORATIONNVDA
2.02%2.36%$3.42B17.1M$3.00B17.2M-109,050-0.63%Reduce
BIOGEN INCBIIB
1.94%2.13%$3.27B15.2M$2.71B14.8M+396,999+2.69%Add
AMAZON COM INCAMZN
1.69%1.99%$2.85B12.0M$2.52B12.1M-144,850-1.20%Reduce
MICROSOFT CORPMSFT
1.58%2.12%$2.66B7.1M$2.69B7.3M-123,690-1.70%Reduce
TESLA INCTSLA
1.52%1.79%$2.57B6.1M$2.28B6.1M-22,490-0.37%Reduce
FEDEX CORPFDX
1.51%2.33%$2.55B8.2M$2.96B8.3M-146,211-1.76%Reduce
TEXAS INSTRS INCTXN
1.5%1.48%$2.54B8.5M$1.87B9.7M-1.1M-11.81%Reduce
SOUTHWEST AIRLS CO COMLUV
1.48%1.39%$2.51B48.8M$1.77B47.1M+1.7M+3.67%Add
AMGEN INC COMAMGN
1.45%2.46%$2.45B6.8M$3.12B8.9M-2.1M-23.86%Reduce
SCHWAB CHARLES CORPSCHW
1.37%1.73%$2.32B25.1M$2.20B23.4M+1.7M+7.16%Add
UNITED AIRLS HLDGS INC COMUAL
1.32%1.14%$2.24B16.5M$1.45B15.8M+711,020+4.51%Add
BOSTON SCIENTIFIC CORP COMBSX
1.28%1.61%$2.16B50.5M$2.04B32.5M+18.0M+55.31%Add
ROSS STORES INC COMROST
1.15%1.56%$1.94B9.1M$1.99B9.2M-65,050-0.71%Reduce
AAlphabet Inc Class CGOOG
1.13%1.29%$1.91B5.4M$1.64B5.7M-321,850-5.63%Reduce
ALIBABA GROUP HLDG LTDBABA
1.06%1.85%$1.79B18.6M$2.35B18.7M-111,010-0.59%Reduce
DELTA AIR LINES INCDAL
0.97%0.92%$1.64B17.5M$1.17B17.5M-27,400-0.16%Reduce
VISA INCV
0.87%0.97%$1.46B4.3M$1.23B4.1M+208,290+5.13%Add
BRISTOL-MYERS SQUIBB COBMY
0.85%1.19%$1.44B24.9M$1.52B25.0M-61,249-0.25%Reduce
TJX COS INC NEWTJX
0.85%1.21%$1.44B9.5M$1.53B9.6M-112,900-1.18%Reduce
BBEONE MEDICINES LTDONC
0.84%1.16%$1.43B5.0M$1.48B5.0M+32,750+0.66%Add
RAYMOND JAMES FINL INCRJF
0.83%1.07%$1.41B9.2M$1.35B9.3M-104,620-1.12%Reduce
NETAPP INCNTAP
0.83%0.73%$1.40B9.0M$927.4M9.1M-40,765-0.45%Reduce
GSK PLC SPONSORED ADRGSK
0.78%1.1%$1.32B25.2M$1.39B25.2M-22,470-0.09%Reduce
AAMERICAN AIRLINES GROUP INCAAL
0.76%0.41%$1.28B70.7M$526.2M49.0M+21.7M+44.38%Add
BBAIDU INCBIDU
0.74%0.97%$1.26B11.0M$1.23B11.1M-46,700-0.42%Reduce
ANALOG DEVICES INC COMADI
0.73%0.79%$1.24B3.1M$997.7M3.1M-7,760-0.25%Reduce
JABIL INCJBL
0.72%0.69%$1.22B3.2M$871.6M3.3M-114,049-3.48%Reduce
CONOCOPHILLIPSCOP
0.71%1.2%$1.20B11.6M$1.53B11.6M+9,100+0.08%Add
SSONY GROUP CORP SPONSORED ADRSONY
0.71%0.95%$1.20B59.6M$1.21B58.5M+1.1M+1.83%Add
ELANCO ANIMAL HEALTH INCELAN
0.66%0.86%$1.12B45.4M$1.10B45.8M-395,944-0.86%Reduce
JPMORGAN CHASE & COJPM
0.65%0.79%$1.11B3.4M$1.00B3.4M-20,900-0.61%Reduce
ADOBE INC COMADBE
0.63%0.91%$1.07B5.2M$1.15B4.7M+496,293+10.49%Add
NORTHERN TR CORPNTRS
0.63%0.72%$1.06B6.1M$914.0M6.5M-448,295-6.85%Reduce
CORNING INCGLW
0.62%0.44%$1.06B4.1M$562.2M4.1M-2,900-0.07%Reduce
NOVARTIS AGNVS
0.61%0.91%$1.03B6.6M$1.16B7.6M-975,230-12.89%Reduce
TTHERMO FISHER SCIENTIFIC INCTMO
0.59%0.77%$993.8M2.0M$974.5M2.0M-260-0.01%Reduce
CATERPILLAR INCCAT
0.55%0.49%$928.3M871,700$618.0M872,260-560-0.06%Reduce
MARVELL TECHNOLOGY INCMRVL
0.49%0.23%$821.6M2.8M$294.6M3.0M-216,710-7.29%Reduce
BIOMARIN PHARMACEUTICAL INCBMRN
0.48%0.63%$812.0M14.2M$801.8M14.2M-3,822-0.03%Reduce
NNEXTPOWER INCNXT
0.47%0.64%$796.9M6.7M$815.0M6.8M-72,080-1.07%Reduce
ORACLE CORPORCL
0.47%0.66%$789.4M5.4M$834.7M5.7M-287,900-5.07%Reduce
HEWLETT PACKARD ENTERPRISE CHPE
0.46%0.32%$773.2M17.1M$410.2M17.2M-88,205-0.51%Reduce
APPLIED MATLS INCAMAT
0.45%0.32%$754.0M1.0M$401.3M1.2M-131,200-11.17%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow