PRIMECAP MANAGEMENT CO/CA/

Long Only Manager

PRIMECAP MANAGEMENT CO/CA/ is a Long Only Manager based in Pasadena, CA led by Joel Paul Fried, reporting $135.87B in AUM as of Q3 2025 with LLY as the largest holding (6% allocation).

ChairmanJoel Paul Fried

Portfolio Value: $130.57B
Positions: 326
Top Holding: LLY at 6.31%
Last Reported: Q3 2025

Address177 E Colorado Blvd., 11th Floor, Pasadena, CA, 91105, United States

Top Holdings

Largest long holdings in PRIMECAP MANAGEMENT CO/CA/'s portfolio (31.8% of total portfolio)

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Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 Eli Lilly LLY	Drug Manufacturers - General Healthcare	$8.2B	6.31%	-$1.0B Sold	1.20% 10.8M shares	≤ Q2 2013 Held for 12y 6m+
2 Micron Technology MU	Semiconductors Technology	$5.0B	3.80%	-$302.9M Sold	2.65% 29.7M shares	≤ Q2 2013 Held for 12y 6m+
3 Microsoft MSFT	Software - Infrastructure Technology	$4.3B	3.33%	-$376.0M Sold	0.11% 8.4M shares	≤ Q2 2013 Held for 12y 6m+
4 Alphabet Inc. GOOGL	Internet Content & Information Communication Services	$3.8B	2.94%	-$236.1M Sold	0.13% 15.8M shares	≤ Q2 2013 Held for 12y 6m+
5 KLA Corporation KLAC	Semiconductors Technology	$3.8B	2.92%	-$1.0B Sold	2.68% 3.5M shares	≤ Q2 2013 Held for 12y 6m+
6 BABA Alibaba Group Holding Limited BABA	Unknown Unknown	$3.6B	2.74%	-$138.7M Sold	— 20.0M shares	Q4 2022 Held for 3 years
7 Nvidia NVDA	Semiconductors Technology	$3.5B	2.68%	-$290.5M Sold	0.08% 18.8M shares	≤ Q2 2013 Held for 12y 6m+
8 Boston Scientific BSX	Medical - Devices Healthcare	$3.2B	2.48%	-$152.4M Sold	2.23% 33.1M shares	≤ Q2 2013 Held for 12y 6m+
9 AZN AstraZeneca AZN	Unknown Unknown	$3.1B	2.34%	-$103.0M Sold	— 39.9M shares	Q4 2022 Held for 3 years
10 Tesla, Inc. TSLA	Auto - Manufacturers Consumer Cyclical	$2.9B	2.26%	-$131.2M Sold	0.20% 6.6M shares	≤ Q2 2013 Held for 12y 6m+

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Changes

Portfolio activity, position movements, and quarter-over-quarter changes in PRIMECAP MANAGEMENT CO/CA/'s latest filing

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Market Value

$130.57B

Prior: $126.20B

Q/Q Change

+3.46%

+$4.4B

Net Flows % of MV

-8.03%

Turnover Ratio

6.13%

New Purchases

2 stocks

$5.9M

Added To

60 stocks

+$2.3B

Sold Out Of

13 stocks

$1.2B

Reduced Holdings

233 stocks

-$11.6B

Increased Positions

Position	Shares Δ	Change
1 Toast TOST	New	0 → 80.5K +$2.9M
2 Taylor Morrison Home Corporation TMHC	New	0 → 44.4K +$2.9M
3 Fair Isaac FICO	+871.24%	18.6K → 180.7K +$242.5M
4 IDEX IEX	+250.71%	493.5K → 1.7M +$201.4M
5 CAVA Group CAVA	+224.14%	26.3K → 85.3K +$3.6M

Decreased Positions

Position	Shares Δ	Change
1 Hess HES	Sold	7.7M → 0 −$1.1B
2 Charter Communications, Inc. CHTR	Sold	143.5K → 0 −$58.7M
3 HubSpot HUBS	Sold	32.2K → 0 −$17.9M
4 Sphere Entertainment SPHR	Sold	419.5K → 0 −$17.5M
5 SNDK Sandisk Corporation Common Stock SNDK	Sold	283.4K → 0 −$12.9M

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Analytics

Portfolio insights and performance metrics for PRIMECAP MANAGEMENT CO/CA/

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Sector Allocation

Technology

29.30%

Healthcare

18.30%

Industrials

11.10%

Financial Services

9.20%

Consumer Cyclical

9.10%

Communication Services

5.80%

Energy

2.40%

Consumer Defensive

1.40%

Basic Materials

0.80%

Real Estate

0.10%

Market Cap Distribution

Mega Cap (> $200B)

29.90%

Large Cap ($10B - $200B)

52.83%

Mid Cap ($2B - $10B)

4.78%

Small Cap ($300M - $2B)

0.41%

Micro Cap ($50M - $300M)

0.02%

Nano Cap (< $50M)

0.04%

N/A (ETF or Unknown)

12.02%

Portfolio Concentration

Top 10 Holdings %

31.78%

Top 20 Holdings %

48.54%

Top 50 Holdings %

75.54%

Top 100 Holdings %

89.88%