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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
OKTA icon
126
Okta
OKTA
$25.8B
$142M 0.11%
1,641,028
+51,990
+3% +$4.54M
NTNX icon
127
Nutanix
NTNX
$16.9B
$140M 0.11%
2,706,553
-2,980
-0.1% -$182K
BAC icon
128
Bank of America
BAC
$442B
$140M 0.11%
2,540,732
+78,900
+3% +$4.17M
TER icon
129
Teradyne
TER
$59.3B
$139M 0.11%
716,570
-1,834,698
-72% -$315M
IMCR icon
130
Immunocore
IMCR
$1.73B
$138M 0.1%
3,961,880
+207,320
+6% +$7.32M
GS icon
131
Goldman Sachs
GS
$303B
$137M 0.1%
155,430
-8,400
-5% -$6.85M
GD icon
132
General Dynamics
GD
$106B
$134M 0.1%
399,010
-32,460
-8% -$11.1M
WDC icon
133
Western Digital
WDC
$150B
$130M 0.1%
753,540
-211,530
-22% -$32.1M
KEYS icon
134
Keysight
KEYS
$58.3B
$120M 0.09%
592,605
-14,090
-2% -$2.61M
RVTY icon
135
Revvity
RVTY
$12.8B
$120M 0.09%
1,238,285
-94,546
-7% -$9.08M
CIEN icon
136
Ciena
CIEN
$58.4B
$120M 0.09%
511,600
-75,600
-13% -$14.7M
FORM icon
137
FormFactor
FORM
$9.17B
$116M 0.09%
2,081,246
-243,368
-10% -$12.3M
TXT icon
138
Textron
TXT
$15.4B
$110M 0.08%
1,264,940
-1,778,280
-58% -$149M
ZM icon
139
Zoom
ZM
$30.6B
$108M 0.08%
1,249,600
+72,850
+6% +$6.13M
MOG.A icon
140
Moog Inc Class A
MOG.A
$12.8B
$107M 0.08%
439,860
-16,700
-4% -$3.67M
STX icon
141
Seagate
STX
$184B
$106M 0.08%
384,282
-270,275
-41% -$70.1M
ALC icon
142
Alcon
ALC
$35B
$106M 0.08%
1,340,866
-4,040
-0.3% -$311K
INDI icon
143
indie Semiconductor
INDI
$854M
$105M 0.08%
29,774,708
+873,940
+3% +$3.83M
LYV icon
144
Live Nation Entertainment
LYV
$42.1B
$104M 0.08%
730,600
-31,280
-4% -$4.5M
DOW icon
145
Dow Inc
DOW
$21.2B
$104M 0.08%
4,432,562
-18,560
-0.4% -$427K
DSGX icon
146
Descartes Systems
DSGX
$6.82B
$103M 0.08%
1,178,440
-4,700
-0.4% -$420K
APP icon
147
Applovin
APP
$116B
$103M 0.08%
152,525
-21,800
-13% -$13.7M
IMNM icon
148
Immunome
IMNM
$2.83B
$101M 0.08%
4,685,441
+1,667,432
+55% +$29.3M
JBHT icon
149
JB Hunt Transport Services
JBHT
$25.2B
$101M 0.08%
517,710
-123,100
-19% -$21.1M
ROK icon
150
Rockwell Automation
ROK
$49B
$99.2M 0.08%
254,910
-126,202
-33% -$47.4M
4 5
6
7 8

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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.