Filed: 8/14/2026ACC: 0000763212-26-000028
📋 What this filing means
PRIMECAP MANAGEMENT CO/CA/ filed this quarterly 13F‑HR report disclosing 324 equity positions with a total reported market value of $169.11B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
324
Positions
$169.11B
Total AUM (reported)
1.35B
Total Shares
Allocation by class
COM$125.92B74.5%
COM NEW$8.56B5.1%
ORD$7.22B4.3%
CAP STK CL A$5.31B3.1%
SPONSORED ADS$3.65B2.2%
SPONSORED ADR$3.61B2.1%
CL A$2.57B1.5%
Portfolio Concentration
Top 3$43.69B25.8%
4–10$28.27B16.7%
11–25$32.17B19.0%
Rest$64.99B38.4%
Top 3 weight
25.8%
Top 10 weight
42.6%
Voting Authority Distribution
Total shares with voting rights: 1.35B
Sole
Full voting authority
1.31B
shares
% of voting shares96.8%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
42.97M
shares
% of voting shares3.2%
Investment Discretion (by position count)
Sole324
Shared0
Other0
Dominant voting typeSole · 96.8% of voting shares
Institutional Holdings324
Rows:
MICRON TECHNOLOGY INC
SOLEShares19.22M
TypeSH
Market value$22.18B
13.12%
Sole
18.83M
Shared
0.00
None
387.23K
ELI LILLY & CO
SOLEShares9.17M
TypeSH
Market value$11.00B
6.51%
Sole
8.96M
Shared
0.00
None
213.75K
INTEL CORP
SOLEShares75.25M
TypeSH
Market value$10.51B
6.21%
Sole
72.51M
Shared
0.00
None
2.74M
KLA CORP
SOLEShares20.54M
TypeSH
Market value$6.20B
3.66%
Sole
20.24M
Shared
0.00
None
298.27K
ALPHABET INC
SOLEShares14.86M
TypeSH
Market value$5.31B
3.14%
Sole
14.39M
Shared
0.00
None
473.51K
FLEX LTD
SOLEShares23.36M
TypeSH
Market value$3.79B
2.24%
Sole
22.09M
Shared
0.00
None
1.27M
ASTRAZENECA PLC
SOLEShares18.10M
TypeSH
Market value$3.43B
2.03%
Sole
17.58M
Shared
0.00
None
519.01K
NVIDIA CORPORATION
SOLEShares17.08M
TypeSH
Market value$3.42B
2.02%
Sole
16.81M
Shared
0.00
None
265.16K
BIOGEN INC
SOLEShares15.15M
TypeSH
Market value$3.27B
1.94%
Sole
14.69M
Shared
0.00
None
465.86K
AMAZON COM INC
SOLEShares11.96M
TypeSH
Market value$2.85B
1.69%
Sole
11.91M
Shared
0.00
None
56.90K
MICROSOFT CORP
SOLEShares7.14M
TypeSH
Market value$2.66B
1.58%
Sole
6.96M
Shared
0.00
None
185.01K
TESLA INC
SOLEShares6.10M
TypeSH
Market value$2.57B
1.52%
Sole
6.06M
Shared
0.00
None
42.30K
FEDEX CORP
SOLEShares8.16M
TypeSH
Market value$2.55B
1.51%
Sole
7.98M
Shared
0.00
None
179.45K
TEXAS INSTRS INC
SOLEShares8.51M
TypeSH
Market value$2.54B
1.50%
Sole
8.33M
Shared
0.00
None
180.31K
SOUTHWEST AIRLS CO
SOLEShares48.80M
TypeSH
Market value$2.51B
1.48%
Sole
47.23M
Shared
0.00
None
1.57M
AMGEN INC
SOLEShares6.76M
TypeSH
Market value$2.45B
1.45%
Sole
6.64M
Shared
0.00
None
113.72K
SCHWAB CHARLES CORP
SOLEShares25.12M
TypeSH
Market value$2.32B
1.37%
Sole
24.50M
Shared
0.00
None
622.24K
UNITED AIRLS HLDGS INC
SOLEShares16.46M
TypeSH
Market value$2.24B
1.32%
Sole
16.10M
Shared
0.00
None
365.66K
BOSTON SCIENTIFIC CORP
SOLEShares50.52M
TypeSH
Market value$2.16B
1.28%
Sole
49.57M
Shared
0.00
None
952.82K
ROSS STORES INC
SOLEShares9.10M
TypeSH
Market value$1.94B
1.15%
Sole
8.93M
Shared
0.00
None
171.62K
ALPHABET INC
SOLEShares5.40M
TypeSH
Market value$1.91B
1.13%
Sole
5.15M
Shared
0.00
None
248.12K
ALIBABA GROUP HLDG LTD
SOLEShares18.61M
TypeSH
Market value$1.79B
1.06%
Sole
18.07M
Shared
0.00
None
540.85K
DELTA AIR LINES INC
SOLEShares17.52M
TypeSH
Market value$1.64B
0.97%
Sole
16.80M
Shared
0.00
None
725.33K
VISA INC
SOLEShares4.27M
TypeSH
Market value$1.46B
0.87%
Sole
4.16M
Shared
0.00
None
111.40K
BRISTOL-MYERS SQUIBB CO
SOLEShares24.92M
TypeSH
Market value$1.44B
0.85%
Sole
24.38M
Shared
0.00
None
544.87K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
MICRON TECHNOLOGY INCSOLE | COM | 19.22M | SH | $22.18B 13.12% | 18.83M | 0.00 | 387.23K |
ELI LILLY & COSOLE | COM | 9.17M | SH | $11.00B 6.51% | 8.96M | 0.00 | 213.75K |
INTEL CORPSOLE | COM | 75.25M | SH | $10.51B 6.21% | 72.51M | 0.00 | 2.74M |
KLA CORPSOLE | COM NEW | 20.54M | SH | $6.20B 3.66% | 20.24M | 0.00 | 298.27K |
ALPHABET INCSOLE | CAP STK CL A | 14.86M | SH | $5.31B 3.14% | 14.39M | 0.00 | 473.51K |
FLEX LTDSOLE | ORD | 23.36M | SH | $3.79B 2.24% | 22.09M | 0.00 | 1.27M |
ASTRAZENECA PLCSOLE | ORD | 18.10M | SH | $3.43B 2.03% | 17.58M | 0.00 | 519.01K |
NVIDIA CORPORATIONSOLE | COM | 17.08M | SH | $3.42B 2.02% | 16.81M | 0.00 | 265.16K |
BIOGEN INCSOLE | COM | 15.15M | SH | $3.27B 1.94% | 14.69M | 0.00 | 465.86K |
AMAZON COM INCSOLE | COM | 11.96M | SH | $2.85B 1.69% | 11.91M | 0.00 | 56.90K |
MICROSOFT CORPSOLE | COM | 7.14M | SH | $2.66B 1.58% | 6.96M | 0.00 | 185.01K |
TESLA INCSOLE | COM | 6.10M | SH | $2.57B 1.52% | 6.06M | 0.00 | 42.30K |
FEDEX CORPSOLE | COM | 8.16M | SH | $2.55B 1.51% | 7.98M | 0.00 | 179.45K |
TEXAS INSTRS INCSOLE | COM | 8.51M | SH | $2.54B 1.50% | 8.33M | 0.00 | 180.31K |
SOUTHWEST AIRLS COSOLE | COM | 48.80M | SH | $2.51B 1.48% | 47.23M | 0.00 | 1.57M |
AMGEN INCSOLE | COM | 6.76M | SH | $2.45B 1.45% | 6.64M | 0.00 | 113.72K |
SCHWAB CHARLES CORPSOLE | COM | 25.12M | SH | $2.32B 1.37% | 24.50M | 0.00 | 622.24K |
UNITED AIRLS HLDGS INCSOLE | COM | 16.46M | SH | $2.24B 1.32% | 16.10M | 0.00 | 365.66K |
BOSTON SCIENTIFIC CORPSOLE | COM | 50.52M | SH | $2.16B 1.28% | 49.57M | 0.00 | 952.82K |
ROSS STORES INCSOLE | COM | 9.10M | SH | $1.94B 1.15% | 8.93M | 0.00 | 171.62K |
ALPHABET INCSOLE | CAP STK CL C | 5.40M | SH | $1.91B 1.13% | 5.15M | 0.00 | 248.12K |
ALIBABA GROUP HLDG LTDSOLE | SPONSORED ADS | 18.61M | SH | $1.79B 1.06% | 18.07M | 0.00 | 540.85K |
DELTA AIR LINES INCSOLE | COM NEW | 17.52M | SH | $1.64B 0.97% | 16.80M | 0.00 | 725.33K |
VISA INCSOLE | COM CL A | 4.27M | SH | $1.46B 0.87% | 4.16M | 0.00 | 111.40K |
BRISTOL-MYERS SQUIBB COSOLE | COM | 24.92M | SH | $1.44B 0.85% | 24.38M | 0.00 | 544.87K |
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