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

Institutional investor · Portfolio as of Q3 2025

SEC EDGAR SourceSEC Filings

Top Holdings327 positions

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Activity:
Stock
Shares
Value
Weight
Avg Buy
Est. P&L
Held
Conviction

ELI LILLY & CO

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

MICRON TECHNOLOGY INC

29.7M$5B3.8%$31.49+419.89%
28 qtrssince 2018-Q4
Decreased
0

MICROSOFT CORP

8.4M$4.3B3.3%$95.17+439.70%
28 qtrssince 2018-Q4
Decreased
0

ALPHABET INC-CL A

15.8M$3.8B2.9%$96.25+153.38%
28 qtrssince 2018-Q4
Decreased
0

KLA CORP

3.5M$3.8B2.9%$8.14+1220.24%
28 qtrssince 2018-Q4
Decreased
0
BABABABA
ADR

ALIBABA GROUP HOLDING-SP ADR

20M$3.6B2.7%$131.09+37.24%
28 qtrssince 2018-Q4
Decreased
0

NVIDIA CORP

18.8M$3.5B2.7%$112.03+62.31%
28 qtrssince 2018-Q4
Decreased
0

BOSTON SCIENTIFIC CORP

33.1M$3.2B2.5%$35.49+173.45%
28 qtrssince 2018-Q4
Decreased
0
AZNAZN
ADR

ASTRAZENECA PLC

39.9M$3.1B2.3%$63.64+129.58%
28 qtrssince 2018-Q4
Decreased
0

TESLA INC

6.6M$2.9B2.3%$214.88+106.26%
28 qtrssince 2018-Q4
Decreased
0

AMGEN INC

9.7M$2.7B2.1%$153.34+76.18%
28 qtrssince 2018-Q4
Decreased
0

INTEL CORP

79.4M$2.7B2.0%$37.69-8.51%
28 qtrssince 2018-Q4
Decreased
0

AMAZON.COM INC

10.7M$2.4B1.8%$175.46+26.62%
28 qtrssince 2018-Q4
Increased
67

FEDEX CORP

9.4M$2.2B1.7%$145.69+61.56%
28 qtrssince 2018-Q4
Decreased
0

ORACLE CORP

7.5M$2.1B1.6%$57.91+386.14%
28 qtrssince 2018-Q4
Decreased
0

BIOGEN IDEC INC

15M$2.1B1.6%$291.55-52.49%
28 qtrssince 2018-Q4
Decreased
0

TEXAS INSTRUMENTS INC

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

SCHWAB (CHARLES) CORP

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

SONY CORP-SPONSORED ADR

64.4M$1.9B1.4%$18.66+55.91%
28 qtrssince 2018-Q4
Decreased
0

UNITED AIRLINES HOLDINGS INC

18M$1.7B1.3%$82.61+19.40%
28 qtrssince 2018-Q4
Decreased
0
$130.6B
AUM
327
Positions
Q3 2025
Filing
Rating · 4.5
Quarterly Portfolio 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 5.0 years
<1Q1%1-4Q9%1-2Y6%2Y+84%

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 Rating: 4.5/5.0.

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 quality assessment
Elite(4.5 / 5.0)
Track Record93
Conviction35
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.

Similar Funds

Funds with similar investing DNA

Accumulation Streaks

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

Security
8Q
COPCOPCONOCOPHILLIPS
Q3 2024 Q2 2026+8.7M shares+$872.8M
8Q
USFDUSFDUS FOODS HOLDING CORP
Q3 2024 Q2 2026+3.9M shares+$400.8M
7Q
SCHWSCHWSCHWAB (CHARLES) CORP
Q4 2024 Q2 2026+24.1M shares+$2.3B
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

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