PRIMECAP MANAGEMENT CO/CA/PRIMECAP MANAGEMENT CO/CA/

Institutional investor · Portfolio as of Q3 2025

Top Holdings327 positions

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Activity:

Eli Lilly and Company

10.8M$8.2B6.3%$104.89+622.88%
28 qtrssince 2018-Q4
Decreased
0

MICRON TECHNOLOGY INC

29.7M$5B3.8%$31.61+428.45%
28 qtrssince 2018-Q4
Decreased
0

Microsoft Corporation

8.4M$4.3B3.3%$95.67+436.98%
28 qtrssince 2018-Q4
Decreased
0

Alphabet Inc.

15.8M$3.8B2.9%$54.70+343.29%
28 qtrssince 2018-Q4
Decreased
0

KLA Corporation

3.5M$3.8B2.9%$8.13+1220.24%
28 qtrssince 2018-Q4
Decreased
0
BABABABA
ADR

ALIBABA GROUP HLDG LTD

20M$3.6B2.7%$128.41+37.92%
28 qtrssince 2018-Q4
Decreased
0

NVIDIA Corporation

18.8M$3.5B2.7%$3.30+5537.00%
28 qtrssince 2018-Q4
Decreased
0

Boston Scientific Corporation

33.1M$3.2B2.5%$36.11+170.40%
28 qtrssince 2018-Q4
Decreased
0
AZNAZN
ADR

ASTRAZENECA PLC

39.9M$3.1B2.3%$65.06+133.42%
28 qtrssince 2018-Q4
Decreased
0

Tesla, Inc.

6.6M$2.9B2.3%$19.31+2202.86%
28 qtrssince 2018-Q4
Decreased
0

Amgen Inc.

9.7M$2.7B2.1%$154.34+77.91%
28 qtrssince 2018-Q4
Decreased
0

Intel Corporation

79.4M$2.7B2.0%$37.79-11.22%
28 qtrssince 2018-Q4
Decreased
0

Amazon.com, Inc.

10.7M$2.4B1.8%$164.35+33.60%
28 qtrssince 2018-Q4
Increased
67

FEDEX CORP

9.4M$2.2B1.7%$117.29+59.30%
28 qtrssince 2018-Q4
Decreased
0

Oracle Corporation

7.5M$2.1B1.6%$57.99+377.72%
28 qtrssince 2018-Q4
Decreased
0

BIOGEN INC

15M$2.1B1.6%$297.74-52.95%
28 qtrssince 2018-Q4
Decreased
0

Texas Instruments Incorporated

11.2M$2.1B1.6%$76.19+135.07%
28 qtrssince 2018-Q4
Decreased
0

Charles Schwab Corp

21.2M$2B1.6%$79.13+19.12%
28 qtrssince 2018-Q4
Increased
56
SONYSONY
ADR

SONY GROUP CORP

64.4M$1.9B1.4%$9.26+210.85%
28 qtrssince 2018-Q4
Decreased
0

UNITED AIRLS HLDGS INC

18M$1.7B1.3%$83.16+16.04%
28 qtrssince 2018-Q4
Decreased
0
$130.6B
AUM
327
Positions
Q3 2025
Filing
HI score · 3.0/5
Quarterly 13F Value Change
+3%Q2'24$138.1B-2%Q3'24$136B-5%Q4'24$129.1B-6%Q1'25$121B+4%Q2'25$126.2B+3%Q3'25$130.6B
Activity profile
$ moved · Q3'25
New5%Increased12%Decreased77%Exited6%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 4.9 years
<1Q1%1-4Q9%1-2Y6%2Y+83%

PRIMECAP MANAGEMENT CO/CA/ manages $130.6B across 327 positions as of Q3 2025. Top holdings: LLY (6.3%), MU (3.8%), MSFT (3.3%). Fund DNA: Steady Compounder. HoldingsIntel Score: 3/5.0.

Q3 2025 Summary

Active quarter - 7 new positions, 13 exits, 60 increased. Top move: AMZN (INCREASED, conviction 67). Portfolio: $130.6B across 327 positions.

Top holdings by portfolio weight

Total AUM$131B
LLY6.31%
MU3.80%
MSFT3.33%
GOOGL2.94%
KLAC2.92%
BABA2.74%
NVDA2.68%
BSX2.48%
AZN2.34%
TSLA2.26%
Other2.10%

Portfolio allocation by GICS sector

Sectors11
Technology31.50%
Healthcare24.26%
Consumer Cyclical12.12%
Industrials11.40%
Financial Services9.24%
Communication Services7.19%
Energy1.99%
Consumer Defensive1.37%
Basic Materials0.85%
Real Estate0.07%
Other0.01%

Behavioral investing profile

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Steady Compounder- primarily Technology, Healthcare, Consumer Cyclical
Compare DNA across all funds
7-dimension, SEC 13F-derived research score
Solid(3.0 / 5.0)
Holdings P&L69
Conviction36
Concentration64
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Position Outcomes

Best and worst performing positions by estimated return

Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.

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Accumulation Streaks

Positions with 2+ consecutive quarters of increases - persistent directional conviction.

Security
7Q
COPCOPConocoPhillips
Q4 2024 → Q2 2026+7.3M shares+$749.8M
7Q
SCHWSCHWCharles Schwab Corp
Q4 2024 → Q2 2026+24.1M shares+$2.3B
7Q
USFDUSFDUS FOODS HLDG CORP
Q4 2024 → Q2 2026+3.7M shares+$389.3M
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What the most-followed managers hold, and what they bought and sold each quarter.

Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

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