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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
+0.32%
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
$127B
AUM Growth
-$5.1B
Cap. Flow
-$1.76B
Cap. Flow %
-1.39%
Top 10 Hldgs %
33.45%
Holding
327
New
8
Increased
75
Reduced
180
Closed
7

Top Buys

Rank Stock Value
1
ADBE icon
Adobe
ADBE
+$292M
2
GTLB icon
GitLab
GTLB
+$179M
3
BA icon
Boeing
BA
+$179M
4
ERIC icon
Ericsson
ERIC
+$118M
5
BSX icon
Boston Scientific
BSX
+$115M

Top Sells

Rank Stock Value
1
MU icon
Micron Technology
MU
+$1.14B
2
KLAC icon
KLA
KLAC
+$641M
3
QCOM icon
Qualcomm
QCOM
+$238M
4
TXN icon
Texas Instruments
TXN
+$87M
5
FLEX icon
Flex
FLEX
+$84.3M

Sector Composition

Rank Sector Weight
1 Technology 31.09%
2 Healthcare 25.64%
3 Industrials 12.04%
4 Consumer Discretionary 10.88%
5 Financials 8.41%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
USFD icon
76
US Foods
USFD
$21.2B
$364M 0.29%
3,946,310
+34,700
+0.9% +$3.07M
GKOS icon
77
Glaukos
GKOS
$8.98B
$363M 0.29%
3,370,628
-6,300
-0.2% -$709K
ZBH icon
78
Zimmer Biomet
ZBH
$17.2B
$353M 0.28%
3,907,150
-92,260
-2% -$8.47M
BNTX icon
79
BioNTech
BNTX
$23.2B
$337M 0.27%
3,793,711
-6,300
-0.2% -$647K
SNPS icon
80
Synopsys
SNPS
$72.3B
$326M 0.26%
822,400
+87,600
+12% +$39.6M
AMTM
81
Amentum Holdings
AMTM
$5.23B
$315M 0.25%
12,085,294
-41,633
-0.3% -$1.31M
FICO icon
82
Fair Isaac
FICO
$28.3B
$309M 0.24%
289,047
+45,673
+19% +$62.6M
BNY
83
Bank of New York Mellon
BNY
$110B
$301M 0.24%
2,534,640
+12,962
+0.5% +$1.54M
RYTM icon
84
Rhythm Pharmaceuticals
RYTM
$7.13B
$297M 0.23%
3,417,509
-61,160
-2% -$5.95M
NSC icon
85
Norfolk Southern
NSC
$74.3B
$297M 0.23%
1,033,410
+31,227
+3% +$9.28M
DHR icon
86
Danaher
DHR
$127B
$295M 0.23%
1,556,970
+76,250
+5% +$16.2M
MRVL icon
87
Marvell Technology
MRVL
$189B
$295M 0.23%
2,974,705
+47,900
+2% +$4.02M
MA icon
88
Mastercard
MA
$470B
$291M 0.23%
582,171
+61,380
+12% +$32.3M
EW icon
89
Edwards Lifesciences
EW
$48.6B
$274M 0.22%
3,422,791
+4,000
+0.1% +$330K
C icon
90
Citigroup
C
$222B
$271M 0.21%
2,390,500
-77,800
-3% -$8.86M
LIVN icon
91
LivaNova
LIVN
$4.3B
$267M 0.21%
4,207,052
-17,800
-0.4% -$1.15M
XMTR icon
92
Xometry
XMTR
$5.44B
$265M 0.21%
6,495,497
+812,590
+14% +$43.2M
SYY icon
93
Sysco
SYY
$39.3B
$264M 0.21%
3,701,838
+16,709
+0.5% +$1.38M
BURL icon
94
Burlington
BURL
$22.3B
$258M 0.2%
792,590
-14,600
-2% -$4.47M
TRMB icon
95
Trimble
TRMB
$11.7B
$256M 0.2%
3,917,861
-13,405
-0.3% -$932K
ILMN icon
96
Illumina
ILMN
$28.9B
$255M 0.2%
2,067,299
+77,620
+4% +$10.2M
PFGC icon
97
Performance Food Group
PFGC
$17.5B
$232M 0.18%
2,707,798
+177,811
+7% +$16.3M
EOG icon
98
EOG Resources
EOG
$76.7B
$231M 0.18%
1,599,662
-20,600
-1% -$2.5M
AVGO icon
99
Broadcom
AVGO
$1.89T
$230M 0.18%
743,318
-12,410
-2% -$4.08M
XPEV icon
100
XPeng
XPEV
$12.3B
$218M 0.17%
12,732,987
-68,100
-0.5% -$1.26M
2 3
4
5 6

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Primecap Management's Q1 2026 Portfolio in Review

As of Q1 2026, Primecap Management held 327 positions worth $127B, down 3.9% from $132B the previous quarter. Its ten largest holdings account for 33% of the portfolio.

Trading was light in Q1 2026: portfolio turnover was 4.6%. Primecap Management opened 8 new positions and exited 7, leaving the 327-position portfolio largely intact.

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

  • Primecap Management's largest Q1 2026 buy was Waste Management: 277,600 shares worth $63.8M.
  • Primecap Management added most to Adobe in Q1 2026, an estimated $292M increase.
  • Primecap Management's biggest Q1 2026 reduction was Micron Technology, cutting an estimated $1.14B.
  • Primecap Management fully exited CyberArk in Q1 2026, selling an estimated $13.6M.
  • Primecap Management's ten largest holdings make up 33% of its $127B portfolio in Q1 2026.
  • Primecap Management opened 8 new positions and closed 7 in Q1 2026.
  • Primecap Management's portfolio value fell 3.9% quarter-over-quarter to $127B.

Based on Primecap Management's 13F filing for Q1 2026, filed 11 May 2026.