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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
+12.92%
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
$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

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
PSN icon
201
Parsons
PSN
$5.08B
$40.2M 0.03%
650,700
+201,400
+45% +$15.8M
AUR icon
202
Aurora
AUR
$13.8B
$39.2M 0.03%
10,203,580
+345,000
+3% +$1.58M
ARLO icon
203
Arlo Technologies
ARLO
$1.65B
$38.9M 0.03%
2,778,740
-357,149
-11% -$5.62M
GTM
204
ZoomInfo Technologies
GTM
$1.22B
$37.3M 0.03%
3,670,164
-1,173,307
-24% -$12.1M
ULTA icon
205
Ulta Beauty
ULTA
$24.3B
$37.2M 0.03%
61,420
-510
-0.8% -$280K
EXE
206
Expand Energy Corp
EXE
$21.5B
$36.5M 0.03%
330,947
-3,939
-1% -$437K
NCLH icon
207
Norwegian Cruise Line
NCLH
$8.84B
$35.8M 0.03%
1,605,905
-74,099
-4% -$1.56M
KEY icon
208
KeyCorp
KEY
$24.4B
$35.1M 0.03%
1,699,430
– –
TTD icon
209
Trade Desk
TTD
$6.49B
$34.5M 0.03%
908,605
+347,350
+62% +$15.4M
DE icon
210
Deere & Co
DE
$168B
$33.8M 0.03%
72,670
-1,540
-2% -$723K
NWL icon
211
Newell Brands
NWL
$2.56B
$32.4M 0.02%
8,708,943
-5,309,046
-38% -$21.4M
XOM icon
212
ExxonMobil
XOM
$634B
$32M 0.02%
265,630
-483,201
-65% -$56M
WEX icon
213
WEX
WEX
$6.31B
$32M 0.02%
214,560
-19,000
-8% -$2.86M
BRKR icon
214
Bruker
BRKR
$8.14B
$30.9M 0.02%
+655,100
New +$27.7M
KEX icon
215
Kirby Corp
KEX
$6.93B
$30.6M 0.02%
277,803
-8,050
-3% -$818K
RGEN icon
216
Repligen
RGEN
$9.25B
$30.6M 0.02%
186,668
-200
-0.1% -$31.3K
GFF icon
217
Griffon
GFF
$4.86B
$30.2M 0.02%
410,547
+79,850
+24% +$5.94M
PODD icon
218
Insulet
PODD
$9.79B
$29.4M 0.02%
103,580
-20,530
-17% -$6.42M
GFL icon
219
GFL Environmental
GFL
$14.9B
$28.7M 0.02%
667,800
– –
IT icon
220
Gartner
IT
$11.7B
$28.1M 0.02%
111,500
+14,000
+14% +$3.37M
MBLY icon
221
Mobileye
MBLY
$2.2B
$27.6M 0.02%
2,644,680
+428,880
+19% +$5.36M
VNOM icon
222
Viper Energy
VNOM
$14.7B
$26.7M 0.02%
+692,100
New +$26.2M
HUM icon
223
Humana
HUM
$46.2B
$25.8M 0.02%
100,650
– –
ARM icon
224
Arm
ARM
$302B
$25.6M 0.02%
233,880
-1,460
-0.6% -$212K
CASY icon
225
Casey's General Stores
CASY
$30.9B
$25.4M 0.02%
46,000
– –
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.