PRIMECAP MANAGEMENT CO CA
Q3 2024 Form 13-F

PASADENA, CALIFORNIA
CIK 0000763212 · CRD 105516 · SEC-registered investment adviser
$136.0B Reported Value Total

PRIMECAP MANAGEMENT CO reports 37 total accounts under management (AUM). There are 37 discretionary accounts valued at $134,476,880,987, and 0 non-discretionary accounts.

Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
SEC Registered Discretionary Manager
Source: Form ADV filed 2026-07-29
Reported value
$136.0B
Quarter over quarter
+0.8%
Holdings
336
Top-10 concentration
35.8%

Key People

Form ADV owners & control persons
Joel Paul Fried
CHAIRMAN
Mohammed Mohsin Ansari
VICE CHAIRMAN
Theofanis A Kolokotrones
CHAIRMAN EMERITUS

Filing Navigation

13F Metrics

Loading 13F Metrics

Q3 2024 13F record

Q3 2024 13F filing summary

Q3 2024 Form 13F portfolio summary
Period of report September 30, 2024
Filed November 08, 2024
Form 13F-HR
Reported value $136.0B
Positions 336
Change in reported value -1.5%
New positions 7
Exited positions 3
Position turnover 3.0%
Top-10 concentration 35.8%

13F filings by quarter

Form 13F filings by quarter
Quarter Positions Value
Q2 2026 13F
Filed Aug 14, 2026
324 $169.1B
Q1 2026 13F
Filed May 11, 2026
320 $127.0B
Q4 2025 13F
Filed Feb 11, 2026
319 $132.1B
Q3 2025 13F
Filed Nov 12, 2025
327 $130.6B
Q2 2025 13F
Filed Aug 11, 2025
333 $126.2B
Q1 2025 13F
Filed May 9, 2025
335 $121.0B
Q4 2024 13F
Filed Feb 10, 2025
329 $129.1B
Q3 2024 13F
Filed Nov 8, 2024
336 $136.0B
Q2 2024 13F
Filed Aug 9, 2024
332 $138.1B
Q1 2024 13F
Filed May 14, 2024
335 $134.1B
Q4 2023 13F
Filed Feb 9, 2024
334 $126.3B
Q3 2023 13F
Filed Nov 13, 2023
331 $118.5B
Q2 2023 13F
Filed Aug 11, 2023
328 $119.7B
Q1 2023 13F
Filed May 15, 2023
331 $114.7B
Q4 2022 13F
Filed Feb 13, 2023
334 $109.2B
Q3 2022 13F
Filed Nov 14, 2022
335 $103.3B
Q2 2022 13F
Filed Aug 11, 2022
341 $111.9B
Q1 2022 13F
Filed May 11, 2022
339 $132.6B
Q4 2021 13F
Filed Feb 11, 2022
342 $144.5B
Q3 2021 13F
Filed Nov 12, 2021
337 $141.7B

33 earlier quarters on file — choose one from the quarter menu above.

Top 20 holdings · Q3 2024

Largest Q3 2024 13F positions by reported value
# Holding Reported value % of portfolio
1 LLY ELI LILLY & CO $15.7B 11.52%
2 AMGN AMGEN INC $4.6B 3.38%
3 MSFT MICROSOFT CORP $4.2B 3.12%
4 KLAC KLA CORP $4.1B 3.02%
5 MU MICRON TECHNOLOGY INC $3.9B 2.87%
6 FDX FEDEX CORP $3.5B 2.56%
7 AZN ASTRAZENECA PLC $3.3B 2.4%
8 BSX BOSTON SCIENTIFIC CORP $3.2B 2.33%
9 BIIB BIOGEN INC $3.2B 2.33%
10 GOOGL ALPHABET INC $3.1B 2.28%
11 TXN TEXAS INSTRS INC $3.1B 2.26%
12 ADBE ADOBE INC $2.9B 2.16%
13 NVDA NVIDIA CORPORATION $2.6B 1.92%
14 BABA ALIBABA GROUP HLDG LTD $2.3B 1.71%
15 TSLA TESLA INC $2.3B 1.68%
16 ORCL ORACLE CORP $2.2B 1.58%
17 GOOG ALPHABET INC $2.1B 1.52%
18 SONY SONY GROUP CORP $2.1B 1.51%
19 INTC INTEL CORP $1.8B 1.33%
20 WFC WELLS FARGO CO NEW $1.8B 1.33%

Values as reported on the Q3 2024 Form 13F. Every position is in the holdings table below.

Filing Details

Loading Activities
Loading Sector Allocation
Crunching numbers

Performance

Loading Performance

Potential New Buys

Finding Potential New Buys

Holdings

Building table
Loading SEC filing data
Loading Form 4 Filings

Beneficial Ownership (Schedule 13D/13G)

Loading 13D/G filings