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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
+12.92%
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
$132B
AUM Growth
+$1.54B
Cap. Flow
-$10.4B
Cap. Flow %
-7.87%
Top 10 Hldgs %
33.39%
Holding
337
New
10
Increased
60
Reduced
221
Closed
18
Avg Time Held
7.2 years
Top 10 Avg Time Held
3.5 years
Top 20 Avg Time Held
5.8 years

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$353M
2
SNPS icon
Synopsys
SNPS
+$288M
3
IEX icon
IDEX
IEX
+$256M
4
BAH icon
Booz Allen Hamilton
BAH
+$240M
5
NFLX icon
Netflix
NFLX
+$222M

Top Sells

Rank Stock Value
1
LLY icon
Eli Lilly
LLY
+$1.46B
2
MU icon
Micron Technology
MU
+$1.12B
3
KLAC icon
KLA
KLAC
+$773M
4
CVX icon
Chevron
CVX
+$615M
5
WFC icon
Wells Fargo
WFC
+$570M

Sector Composition

Rank Sector Weight
1 Technology 30.27%
2 Healthcare 26.35%
3 Industrials 11.65%
4 Consumer Discretionary 11.57%
5 Financials 8.72%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow Held Since
PSN icon
201
Parsons
PSN
$4.71B
$40.2M 0.03%
650,700
+201,400
+45% +$15.8M
2025 Q1
3 quarters
AUR icon
202
Aurora
AUR
$10.1B
$39.2M 0.03%
10,203,580
+345,000
+3% +$1.58M
2021 Q4
16 quarters
ARLO icon
203
Arlo Technologies
ARLO
$1.31B
$38.9M 0.03%
2,778,740
-357,149
-11% -$5.62M
2018 Q3
29 quarters
GTM icon
204
ZoomInfo Technologies
GTM
$1.1B
$37.3M 0.03%
3,670,164
-1,173,307
-24% -$12.1M
2020 Q2
22 quarters
ULTA icon
205
Ulta Beauty
ULTA
$25.4B
$37.2M 0.03%
61,420
-510
-0.8% -$280K
2017 Q4
32 quarters
EXE icon
206
Expand Energy Corp
EXE
$21.7B
$36.5M 0.03%
330,947
-3,939
-1% -$437K
2024 Q4
4 quarters
NCLH icon
207
Norwegian Cruise Line
NCLH
$6.98B
$35.8M 0.03%
1,605,905
-74,099
-4% -$1.56M
2014 Q1
47 quarters
KEY icon
208
KeyCorp
KEY
$21.4B
$35.1M 0.03%
1,699,430
– –
2023 Q3
9 quarters
TTD icon
209
Trade Desk
TTD
$5.97B
$34.5M 0.03%
908,605
+347,350
+62% +$15.4M
2023 Q1
11 quarters
DE icon
210
Deere & Co
DE
$172B
$33.8M 0.03%
72,670
-1,540
-2% -$723K
2013 Q2
50 quarters
NWL icon
211
Newell Brands
NWL
$2.41B
$32.4M 0.02%
8,708,943
-5,309,046
-38% -$21.4M
2014 Q1
47 quarters
XOM icon
212
ExxonMobil
XOM
$732B
$32M 0.02%
265,630
-483,201
-65% -$56M
2024 Q2
6 quarters
WEX icon
213
WEX
WEX
$6.2B
$32M 0.02%
214,560
-19,000
-8% -$2.86M
2021 Q1
19 quarters
BRKR icon
214
Bruker
BRKR
$8.38B
$30.9M 0.02%
+655,100
New +$27.7M
2025 Q4
0 quarters
KEX icon
215
Kirby Corp
KEX
$7.2B
$30.6M 0.02%
277,803
-8,050
-3% -$818K
2020 Q4
20 quarters
RGEN icon
216
Repligen
RGEN
$11.1B
$30.6M 0.02%
186,668
-200
-0.1% -$31.3K
2021 Q2
18 quarters
GFF icon
217
Griffon
GFF
$4.19B
$30.2M 0.02%
410,547
+79,850
+24% +$5.94M
2023 Q2
10 quarters
PODD icon
218
Insulet
PODD
$9.83B
$29.4M 0.02%
103,580
-20,530
-17% -$6.42M
2013 Q2
50 quarters
GFL icon
219
GFL Environmental
GFL
$18.8B
$28.7M 0.02%
667,800
– –
2022 Q4
12 quarters
IT icon
220
Gartner
IT
$12.8B
$28.1M 0.02%
111,500
+14,000
+14% +$3.37M
2023 Q4
8 quarters
MBLY icon
221
Mobileye
MBLY
$6.07B
$27.6M 0.02%
2,644,680
+428,880
+19% +$5.36M
2022 Q4
12 quarters
VNOM icon
222
Viper Energy
VNOM
$8.72B
$26.7M 0.02%
+692,100
New +$26.2M
2025 Q4
0 quarters
HUM icon
223
Humana
HUM
$50.3B
$25.8M 0.02%
100,650
– –
2021 Q2
18 quarters
ARM icon
224
Arm
ARM
$249B
$25.6M 0.02%
233,880
-1,460
-0.6% -$212K
2023 Q3
9 quarters
CASY icon
225
Casey's General Stores
CASY
$25.3B
$25.4M 0.02%
46,000
– –
2024 Q2
6 quarters
7 8
9
10 11

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Primecap Management's Q4 2025 Portfolio in Review

As of Q4 2025, Primecap Management held 337 positions worth $132B, up 1.2% from $131B the previous quarter. Its ten largest holdings account for 33% of the portfolio.

Primecap Management withdrew a net $10.4B in Q4 2025, closing 18 positions and reducing 221 holdings. Its most notable exit was Electronic Arts, an estimated $68.4M position sold in full.

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

Against the trend, Primecap Management opened a new position in Qnity Electronics Inc worth $79.4M.

  • Primecap Management's largest Q4 2025 buy was Qnity Electronics Inc: 972,974 shares worth $79.4M.
  • Primecap Management added most to Amazon in Q4 2025, an estimated $353M increase.
  • Primecap Management's biggest Q4 2025 reduction was Eli Lilly, cutting an estimated $1.46B.
  • Primecap Management fully exited Electronic Arts in Q4 2025, selling an estimated $68.4M.
  • Primecap Management's ten largest holdings make up 33% of its $132B portfolio in Q4 2025.
  • Primecap Management opened 10 new positions and closed 18 in Q4 2025.
  • Primecap Management's portfolio value rose 1.2% quarter-over-quarter to $132B.

Based on Primecap Management's 13F filing for Q4 2025, filed 11 Feb 2026.