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Primecap Management

Primecap Management Portfolio holdings

AUM $127B
1-Year Est. Return 44.11%
This Fund
S&P 500
This Quarter Est. Return
+0.32%
1 Year Est. Return
+44.11%
3 Year Est. Return
+121.64%
5 Year Est. Return
+154.22%
10 Year Est. Return
+724.54%
AUM
$127B
AUM Growth
-$5.1B
Cap. Flow
-$1.76B
Cap. Flow %
-1.39%
Top 10 Hldgs %
33.45%
Holding
327
New
8
Increased
75
Reduced
180
Closed
7

Top Buys

Rank Stock Value
1
ADBE icon
Adobe
ADBE
+$292M
2
GTLB icon
GitLab
GTLB
+$179M
3
BA icon
Boeing
BA
+$179M
4
ERIC icon
Ericsson
ERIC
+$118M
5
BSX icon
Boston Scientific
BSX
+$115M

Top Sells

Rank Stock Value
1
MU icon
Micron Technology
MU
+$1.14B
2
KLAC icon
KLA
KLAC
+$641M
3
QCOM icon
Qualcomm
QCOM
+$238M
4
TXN icon
Texas Instruments
TXN
+$87M
5
FLEX icon
Flex
FLEX
+$84.3M

Sector Composition

Rank Sector Weight
1 Technology 31.09%
2 Healthcare 25.64%
3 Industrials 12.04%
4 Consumer Discretionary 10.88%
5 Financials 8.41%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LLY icon
1
Eli Lilly
LLY
$1.05T
$8.48B 6.68%
9,223,432
-42,350
-0.5% -$42.9M
MU icon
2
Micron Technology
MU
$1.1T
$7.39B 5.82%
21,874,204
-2,920,732
-12% -$1.14B
GOOGL icon
3
Alphabet (Google) Class A
GOOGL
$4.24T
$4.31B 3.39%
14,987,459
-140,830
-0.9% -$44.3M
AZN icon
4
AstraZeneca
AZN
$263B
$3.59B 2.83%
18,213,708
-243,923
-1% -$47M
KLAC icon
5
KLA
KLAC
$284B
$3.59B 2.83%
24,376,470
-4,383,150
-15% -$641M
INTC icon
6
Intel
INTC
$530B
$3.34B 2.63%
75,761,968
-370,300
-0.5% -$17M
AMGN icon
7
Amgen
AMGN
$198B
$3.12B 2.46%
8,874,129
-30,850
-0.3% -$11M
NVDA icon
8
NVIDIA
NVDA
$5.02T
$3B 2.36%
17,188,230
-39,290
-0.2% -$7.21M
FDX icon
9
FedEx
FDX
$75.2B
$2.96B 2.33%
8,303,010
-209,661
-2% -$72.8M
BIIB icon
10
Biogen
BIIB
$30B
$2.71B 2.13%
14,757,607
-390
-0% -$71.9K
MSFT icon
11
Microsoft
MSFT
$2.95T
$2.69B 2.12%
7,264,560
-22,960
-0.3% -$9.61M
AMZN icon
12
Amazon
AMZN
$2.66T
$2.52B 1.99%
12,107,038
-149,150
-1% -$32.8M
BABA icon
13
Alibaba
BABA
$283B
$2.35B 1.85%
18,722,316
-255,120
-1% -$38.3M
TSLA icon
14
Tesla
TSLA
$1.42T
$2.28B 1.79%
6,125,520
-191,900
-3% -$79.1M
SCHW
15
Charles Schwab
SCHW
$174B
$2.2B 1.73%
23,441,915
+165,844
+0.7% +$16.3M
BSX icon
16
Boston Scientific
BSX
$64.2B
$2.04B 1.61%
32,529,774
+1,433,590
+5% +$115M
ROST icon
17
Ross Stores
ROST
$75.6B
$1.99B 1.56%
9,170,030
-37,170
-0.4% -$7.4M
TXN icon
18
Texas Instruments
TXN
$265B
$1.87B 1.48%
9,654,766
-429,920
-4% -$87M
LUV icon
19
Southwest Airlines
LUV
$23.8B
$1.77B 1.39%
47,069,495
-322,600
-0.7% -$14.6M
FLEX icon
20
Flex
FLEX
$46.7B
$1.66B 1.31%
25,383,448
-1,318,643
-5% -$84.3M
GOOG icon
21
Alphabet (Google) Class C
GOOG
$4.22T
$1.64B 1.29%
5,720,910
-41,730
-0.7% -$13.1M
TJX icon
22
TJX Companies
TJX
$171B
$1.53B 1.21%
9,588,920
-150,400
-2% -$23.4M
COP icon
23
ConocoPhillips
COP
$143B
$1.53B 1.2%
11,579,265
+1,800
+0% +$199K
BMY icon
24
Bristol-Myers Squibb
BMY
$124B
$1.52B 1.19%
24,985,149
+109,599
+0.4% +$6.39M
ONC
25
BeOne Medicines Ltd
ONC
$33.1B
$1.48B 1.16%
4,975,181
-5,400
-0.1% -$1.75M
1
2 3 4 5

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Primecap Management's Q1 2026 Portfolio in Review

As of Q1 2026, Primecap Management held 327 positions worth $127B, down 3.9% from $132B the previous quarter. Its ten largest holdings account for 33% of the portfolio.

Trading was light in Q1 2026: portfolio turnover was 4.6%. Primecap Management opened 8 new positions and exited 7, leaving the 327-position portfolio largely intact.

By sector, the portfolio is most concentrated in Technology at 31% of assets, up from 30% a quarter earlier, followed by Healthcare and Industrials.

  • Primecap Management's largest Q1 2026 buy was Waste Management: 277,600 shares worth $63.8M.
  • Primecap Management added most to Adobe in Q1 2026, an estimated $292M increase.
  • Primecap Management's biggest Q1 2026 reduction was Micron Technology, cutting an estimated $1.14B.
  • Primecap Management fully exited CyberArk in Q1 2026, selling an estimated $13.6M.
  • Primecap Management's ten largest holdings make up 33% of its $127B portfolio in Q1 2026.
  • Primecap Management opened 8 new positions and closed 7 in Q1 2026.
  • Primecap Management's portfolio value fell 3.9% quarter-over-quarter to $127B.

Based on Primecap Management's 13F filing for Q1 2026, filed 11 May 2026.