We are live on
!
Find out more
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
(-3.9%)
Cap. Flow
-$1.76B
Cap. Flow
% of AUM
-1.39%
Top 10 Holdings %
Top 10 Hldgs %
33.45%
Holding
327
New
8
Increased
75
Reduced
180
Closed
7
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Adobe
ADBE
|
+$292M |
| 2 |
GitLab
GTLB
|
+$179M |
| 3 |
Boeing
BA
|
+$179M |
| 4 |
Ericsson
ERIC
|
+$118M |
| 5 |
Boston Scientific
BSX
|
+$115M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.14B |
| 2 |
KLA
KLAC
|
+$641M |
| 3 |
Qualcomm
QCOM
|
+$238M |
| 4 |
Texas Instruments
TXN
|
+$87M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
301
Arista Networks
ANET
$224B
| $1.96M | ﹤0.01% |
16,000
| – | – |
|
302
Frontier Group Holdings
ULCC
$1.28B
| $1.75M | ﹤0.01% |
494,900
| – | – |
|
303
ITT
ITT
$17.4B
| $1.71M | ﹤0.01% |
+9,000
| New | +$1.71M |
|
304
Cerus
CERS
$585M
| $1.44M | ﹤0.01% |
789,300
-5,200
| -0.7% | -$11.3K |
|
305
Cboe Global Markets
CBOE
$30B
| $1.43M | ﹤0.01% |
5,100
-800
| -14% | -$223K |
|
306
Greif Class B
GEF.B
$3.52B
| $1.31M | ﹤0.01% |
15,000
| – | – |
|
307
Comcast
CMCSA
$82.3B
| $1.29M | ﹤0.01% |
44,800
| – | – |
|
308
Ibotta
IBTA
$595M
| $1.26M | ﹤0.01% |
41,935
-45,700
| -52% | -$1.07M |
|
309
Ambarella
AMBA
$2.99B
| $999K | ﹤0.01% |
19,400
-100
| -0.5% | -$6.24K |
|
310
Marqeta
MQ
$1.75B
| $667K | ﹤0.01% |
40,900
-92,500
| -69% | -$1.56M |
|
|
OS
311
DELISTED
OneStream Inc
OS
| $468K | ﹤0.01% |
19,500
-100
| -0.5% | -$2.35K |
|
312
Warner Music
WMG
$14.1B
| $442K | ﹤0.01% |
+17,300
| New | +$491K |
|
313
Health Catalyst
HCAT
$151M
| $432K | ﹤0.01% |
340,418
| – | – |
|
314
GrowGeneration
GRWG
$84.1M
| $415K | ﹤0.01% |
377,300
| – | – |
|
315
New Fortress Energy
NFE
$97.1M
| $319K | ﹤0.01% |
540,300
-1,520,800
| -74% | -$1.78M |
|
|
VLRS
316
Controladora Vuela Compania de Aviacion
VLRS
$882M
| $297K | ﹤0.01% |
41,000
| – | – |
|
|
SNDK
317
Sandisk
SNDK
$243B
| $254K | ﹤0.01% |
+400
| New | +$226K |
|
318
Medtronic
MDT
$105B
| $211K | ﹤0.01% |
2,440
| – | – |
|
319
Standard BioTools
LAB
$326M
| $141K | ﹤0.01% |
153,374
| – | – |
|
320
Snap
SNAP
$7.33B
| $85.3K | ﹤0.01% |
18,550
| – | – |
|
|
CMA
321
DELISTED
Comerica
CMA
| – | – |
-125,160
| Closed | -$10.9M |
|
|
CYBR
322
DELISTED
CyberArk
CYBR
| – | – |
-30,500
| Closed | -$13.6M |
|
|
EXAS
323
DELISTED
Exact Sciences
EXAS
| – | – |
-34,300
| Closed | -$3.48M |
|
324
Leslie's
LESL
$13M
| – | – |
-65,556
| Closed | -$108K |
|
|
SNCY
325
DELISTED
Sun Country Airlines
SNCY
| – | – |
-142,915
| Closed | -$2.06M |
|
Similar funds
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.