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

Institutional investor · Portfolio as of Q1 2026

Top Holdings320 positions

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Activity:

Eli Lilly and Company

9.2M$8.5B6.7%$104.89+774.14%
30 qtrssince 2018-Q4
Decreased
0

MICRON TECHNOLOGY INC

21.9M$7.4B5.8%$31.61+968.56%
30 qtrssince 2018-Q4
Decreased
0

Alphabet Inc.

15M$4.3B3.4%$54.70+425.08%
30 qtrssince 2018-Q4
Decreased
0

ASTRAZENECA PLC

18.2M$3.6B2.8%$197.220.00%
1 qtr
New
83

KLA Corporation

2.4M$3.6B2.8%$8.13+1707.65%
30 qtrssince 2018-Q4
Decreased
0

Intel Corporation

75.8M$3.3B2.6%$37.79+16.77%
30 qtrssince 2018-Q4
Decreased
0

Amgen Inc.

8.9M$3.1B2.5%$154.34+124.95%
30 qtrssince 2018-Q4
Decreased
0

NVIDIA Corporation

17.2M$3B2.4%$3.30+5169.59%
30 qtrssince 2018-Q4
Decreased
0

FEDEX CORP

8.3M$3B2.3%$117.29+142.83%
30 qtrssince 2018-Q4
Decreased
0

BIOGEN INC

14.8M$2.7B2.1%$297.74-38.43%
30 qtrssince 2018-Q4
Decreased
0

Microsoft Corporation

7.3M$2.7B2.1%$95.67+285.36%
30 qtrssince 2018-Q4
Decreased
0

Amazon.com, Inc.

12.1M$2.5B2.0%$172.72+20.58%
30 qtrssince 2018-Q4
Decreased
0
BABABABA
ADR

ALIBABA GROUP HLDG LTD

18.7M$2.3B1.8%$128.41-3.18%
30 qtrssince 2018-Q4
Decreased
0

Tesla, Inc.

6.1M$2.3B1.8%$19.31+1825.01%
30 qtrssince 2018-Q4
Decreased
0

Charles Schwab Corp

23.4M$2.2B1.7%$80.98+15.30%
30 qtrssince 2018-Q4
Increased
50

Boston Scientific Corporation

32.5M$2B1.6%$37.28+68.32%
30 qtrssince 2018-Q4
Increased
53

Ross Stores, Inc.

9.2M$2B1.6%$79.81+170.37%
30 qtrssince 2018-Q4
Decreased
0

Texas Instruments Incorporated

9.7M$1.9B1.5%$76.19+152.24%
30 qtrssince 2018-Q4
Decreased
0

SOUTHWEST AIRLS CO

47.1M$1.8B1.4%$41.37-10.00%
30 qtrssince 2018-Q4
Decreased
0

FLEX LTD

25.4M$1.7B1.3%——
30 qtrssince 2018-Q4
Decreased
0
$127B
AUM
320
Positions
Q1 2026
Filing
HI score · 3.5/5
Quarterly 13F Value Change
-5%Q4'24$129.1B-6%Q1'25$121B+4%Q2'25$126.2B+3%Q3'25$130.6B+1%Q4'25$132.1B-4%Q1'26$127B
Activity profile
$ moved · Q1'26
New15%Increased18%Decreased54%Exited14%
Composition
Equity vs derivatives
Equity100%Puts0%Calls0%
Holding period
Avg 5.3 years
<1Q2%1-4Q7%1-2Y9%2Y+82%

PRIMECAP MANAGEMENT CO/CA/ manages $127B across 320 positions as of Q1 2026. Top holdings: LLY (6.7%), MU (5.8%), GOOGL (3.4%). Fund DNA: Steady Compounder. HoldingsIntel Score: 3.5/5.0.

Q1 2026 Summary

Active quarter - 9 new positions, 8 exits, 75 increased. Top move: AZN (NEW, conviction 83). Portfolio: $127.0B across 320 positions.

Top holdings by portfolio weight

Total AUM$127B
LLY6.68%
MU5.82%
GOOGL3.39%
AZN2.83%
KLAC2.83%
INTC2.63%
AMGN2.46%
NVDA2.36%
FDX2.33%
BIIB2.13%
Other2.12%

Portfolio allocation by GICS sector

Sectors11
Technology31.12%
Healthcare25.64%
Industrials12.04%
Consumer Cyclical10.85%
Financial Services8.41%
Communication Services7.24%
Energy2.11%
Consumer Defensive1.33%
Basic Materials1.15%
Real Estate0.09%
Other0.01%

Behavioral investing profile

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Steady Compounder- primarily Technology, Healthcare, Industrials
Compare DNA across all funds
7-dimension, SEC 13F-derived research score
Strong(3.5 / 5.0)
Holdings P&L68
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

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7Q
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7Q
USFDUSFDUS FOODS HLDG CORP
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer

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