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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
TW icon
226
Tradeweb Markets
TW
$23.6B
$32.7M 0.02%
327,862
-220
-0.1% -$23.9K
2019 Q2
28 quarters
WVE icon
227
Wave Life Sciences
WVE
$629M
$31.1M 0.02%
5,354,622
+521,670
+11% +$3.46M
2019 Q3
27 quarters
UBER icon
228
Uber
UBER
$146B
$29.9M 0.02%
414,600
-99,700
-19% -$7.31M
2020 Q2
24 quarters
EXE icon
229
Expand Energy Corp
EXE
$21B
$29.7M 0.02%
325,447
-5,500
-2% -$522K
2024 Q4
6 quarters
ULTA icon
230
Ulta Beauty
ULTA
$26B
$27.5M 0.02%
61,000
-250
-0.4% -$127K
2017 Q4
34 quarters
ALLO icon
231
Allogene Therapeutics
ALLO
$463M
$27.3M 0.02%
13,123,440
+4,743,600
+57% +$10.4M
2020 Q4
22 quarters
CASY icon
232
Casey's General Stores
CASY
$24.9B
$26.6M 0.02%
33,415
-12,285
-27% -$9.9M
2024 Q2
8 quarters
ARLO icon
233
Arlo Technologies
ARLO
$1.34B
$26.2M 0.02%
1,942,330
-376,183
-16% -$5.09M
2018 Q3
31 quarters
FLYW icon
234
Flywire
FLYW
$2.35B
$25.4M 0.02%
1,445,700
-27,800
-2% -$411K
2022 Q2
16 quarters
TSN icon
235
Tyson Foods
TSN
$19B
$23.8M 0.01%
415,000
– –
2014 Q4
46 quarters
TTWO icon
236
Take-Two Interactive
TTWO
$39.1B
$23.5M 0.01%
93,929
– –
2024 Q4
6 quarters
CSGP icon
237
CoStar Group
CSGP
$13B
$23.3M 0.01%
821,600
+18,000
+2% +$619K
2025 Q1
5 quarters
SAIA icon
238
Saia
SAIA
$9.08B
$22.9M 0.01%
54,420
– –
2022 Q2
16 quarters
SN icon
239
SharkNinja
SN
$27.3B
$22M 0.01%
144,700
+1,400
+1% +$168K
2025 Q2
4 quarters
MXL icon
240
MaxLinear
MXL
$7.09B
$21M 0.01%
164,380
-10,030
-6% -$709K
2016 Q4
38 quarters
FCX icon
241
Freeport-McMoran
FCX
$101B
$19.9M 0.01%
316,470
-9,000
-3% -$579K
2020 Q4
22 quarters
NKTR icon
242
Nektar Therapeutics
NKTR
$1.29B
$19M 0.01%
272,850
-6,300
-2% -$461K
2013 Q2
52 quarters
MO icon
243
Altria Group
MO
$123B
$18.8M 0.01%
261,000
-30,500
-10% -$2.13M
2017 Q2
36 quarters
TOST icon
244
Toast
TOST
$18.6B
$18.8M 0.01%
674,300
+197,800
+42% +$5.16M
2025 Q3
3 quarters
WMT icon
245
Walmart Inc
WMT
$935B
$16.4M 0.01%
144,600
-2,850
-2% -$354K
2024 Q4
6 quarters
LASR icon
246
nLIGHT
LASR
$2.05B
$15.7M 0.01%
225,539
-1,200
-0.5% -$83.7K
2018 Q2
32 quarters
DASH icon
247
DoorDash
DASH
$83.6B
$15.6M 0.01%
84,710
– –
2020 Q4
22 quarters
RXO icon
248
RXO
RXO
$4.79B
$15.6M 0.01%
565,546
-37,530
-6% -$829K
2022 Q4
14 quarters
SLB icon
249
SLB Ltd
SLB
$71.8B
$15.3M 0.01%
329,280
– –
2013 Q2
52 quarters
IT icon
250
Gartner
IT
$13.1B
$15.2M 0.01%
117,400
– –
2023 Q4
10 quarters
8 9
10
11 12

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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.