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Primecap Management

Primecap Management Portfolio holdings

AUM $169B Turnover 4.85%
1-Year Est. Return 114.72%
This Fund
S&P 500
This Quarter Est. Return
+66.83%
1 Year Est. Return
+114.72%
3 Year Est. Return
+234.44%
5 Year Est. Return
+291.25%
10 Year Est. Return
+1,263.36%
AUM
$169B
AUM Growth
+$42.1B
Cap. Flow
-$1.64B
Cap. Flow %
-0.97%
Top 10 Hldgs %
42.55%
Holding
330
New
10
Increased
82
Reduced
180
Closed
6
Avg Time Held
7.4 years
Top 10 Avg Time Held
2.4 years
Top 20 Avg Time Held
6.1 years

Top Buys

Rank Stock Value
1
BSX icon
Boston Scientific
BSX
+$977M
2
FDXF icon
FedEx Freight
FDXF
+$663M
3
AAL icon
American Airlines Group
AAL
+$291M
4
SPCX icon
SpaceX
SPCX
+$239M
5
MRSH icon
Marsh
MRSH
+$239M

Top Sells

Rank Stock Value
1
MU icon
Micron Technology
MU
+$1.99B
2
KLAC icon
KLA
KLAC
+$762M
3
AMGN icon
Amgen
AMGN
+$725M
4
TXN icon
Texas Instruments
TXN
+$316M
5
FLEX icon
Flex
FLEX
+$246M

Sector Composition

Rank Sector Weight
1 Technology 42.77%
2 Healthcare 21.12%
3 Industrials 11.72%
4 Consumer Discretionary 8.17%
5 Financials 6.77%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
CARR icon
101
Carrier Global
CARR
$45.3B
$284M 0.17%
3,866,183
+25,978
+0.7% +$1.7M
2020 Q2
24 quarters
AVGO icon
102
Broadcom
AVGO
$1.64T
$278M 0.16%
736,773
-6,545
-0.9% -$2.62M
2023 Q4
10 quarters
FORM icon
103
FormFactor
FORM
$8.85B
$270M 0.16%
1,690,114
-98,530
-6% -$13.1M
2013 Q2
52 quarters
BURL icon
104
Burlington
BURL
$16.8B
$266M 0.16%
840,960
+48,370
+6% +$15.6M
2018 Q1
33 quarters
AMTM icon
105
Amentum Holdings
AMTM
$4.67B
$254M 0.15%
12,285,504
+200,210
+2% +$4.84M
2024 Q3
7 quarters
CVS icon
106
CVS Health
CVS
$118B
$247M 0.15%
2,385,490
-9,640
-0.4% -$860K
2013 Q2
52 quarters
SPCX icon
107
SpaceX
SPCX
$1.96T
$241M 0.14%
+1,407,762
New +$239M
2026 Q2
0 quarters
TER icon
108
Teradyne
TER
$53.7B
$235M 0.14%
485,840
-64,770
-12% -$24.4M
2015 Q3
43 quarters
GTLB icon
109
GitLab
GTLB
$9.32B
$235M 0.14%
7,683,350
+384,300
+5% +$9.75M
2021 Q4
18 quarters
UPS icon
110
United Parcel Service
UPS
$83.2B
$231M 0.14%
2,146,131
– –
2013 Q2
52 quarters
KMX icon
111
CarMax
KMX
$7.47B
$231M 0.14%
4,359,016
+870
+0% +$37.9K
2013 Q2
52 quarters
BA icon
112
Boeing
BA
$149B
$225M 0.13%
1,039,910
+244,000
+31% +$54.3M
2023 Q4
10 quarters
PGR icon
113
Progressive
PGR
$124B
$219M 0.13%
1,003,280
-2,110
-0.2% -$425K
2014 Q3
47 quarters
SYK icon
114
Stryker
SYK
$112B
$213M 0.13%
677,872
+151,200
+29% +$47.6M
2013 Q2
52 quarters
UNP icon
115
Union Pacific
UNP
$172B
$211M 0.12%
775,740
-47,500
-6% -$12.5M
2013 Q2
52 quarters
EBAY icon
116
eBay
EBAY
$54.7B
$209M 0.12%
1,874,240
-2,900
-0.2% -$309K
2013 Q3
51 quarters
OKTA icon
117
Okta
OKTA
$36.5B
$207M 0.12%
1,516,091
-195,337
-11% -$18.4M
2020 Q1
25 quarters
KEYS icon
118
Keysight
KEYS
$58.2B
$206M 0.12%
588,975
-1,850
-0.3% -$631K
2014 Q4
46 quarters
EOG icon
119
EOG Resources
EOG
$80.1B
$205M 0.12%
1,581,562
-18,100
-1% -$2.47M
2013 Q2
52 quarters
TRMB icon
120
Trimble
TRMB
$14.2B
$200M 0.12%
3,915,691
-2,170
-0.1% -$128K
2013 Q2
52 quarters
AME icon
121
Ametek
AME
$57B
$199M 0.12%
823,154
– –
2020 Q1
25 quarters
OLED icon
122
Universal Display
OLED
$3.6B
$190M 0.11%
2,195,818
+8,390
+0.4% +$775K
2014 Q3
47 quarters
FLUT icon
123
Flutter Entertainment
FLUT
$13.2B
$182M 0.11%
1,785,790
-500
-0% -$51.5K
2025 Q1
5 quarters
STX icon
124
Seagate
STX
$157B
$182M 0.11%
188,777
-41,555
-18% -$31.7M
2022 Q4
14 quarters
MOG.A icon
125
Moog Inc Class A
MOG.A
$11.6B
$182M 0.11%
428,460
-4,900
-1% -$1.67M
2023 Q3
11 quarters
3 4
5
6 7

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Primecap Management's Q2 2026 Portfolio in Review

As of Q2 2026, Primecap Management held 330 positions worth $169B, up 33% from $127B the previous quarter. Its ten largest holdings account for 43% of the portfolio.

Trading was light in Q2 2026: portfolio turnover was 4.8%. Primecap Management opened 10 new positions and exited 6, leaving the 330-position portfolio largely intact.

By sector, the portfolio is most concentrated in Technology at 43% of assets, up from 31% a quarter earlier, followed by Healthcare and Industrials.

  • Primecap Management's largest Q2 2026 buy was FedEx Freight: 4,048,660 shares worth $611M.
  • Primecap Management added most to Boston Scientific in Q2 2026, an estimated $977M increase.
  • Primecap Management's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.99B.
  • Primecap Management fully exited Coterra Energy in Q2 2026, selling an estimated $80.5M.
  • Primecap Management's ten largest holdings make up 43% of its $169B portfolio in Q2 2026.
  • Primecap Management opened 10 new positions and closed 6 in Q2 2026.
  • Primecap Management's portfolio value rose 33% quarter-over-quarter to $169B.

Based on Primecap Management's 13F filing for Q2 2026, filed 14 Aug 2026.