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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
(+1.2%)
Cap. Flow
-$10.4B
Cap. Flow
% of AUM
-7.87%
Top 10 Holdings %
Top 10 Hldgs %
33.39%
Holding
337
New
10
Increased
60
Reduced
221
Closed
18
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$353M |
| 2 |
Synopsys
SNPS
|
+$288M |
| 3 |
IDEX
IEX
|
+$256M |
| 4 |
Booz Allen Hamilton
BAH
|
+$240M |
| 5 |
Netflix
NFLX
|
+$222M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Eli Lilly
LLY
|
+$1.46B |
| 2 |
Micron Technology
MU
|
+$1.12B |
| 3 |
KLA
KLAC
|
+$773M |
| 4 |
Chevron
CVX
|
+$615M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
301
Arista Networks
ANET
$246B
| $2.1M | ﹤0.01% |
16,000
| – | – |
|
|
SNCY
302
DELISTED
Sun Country Airlines
SNCY
| $2.06M | ﹤0.01% |
142,915
-200
| -0.1% | -$2.56K |
|
303
Ibotta
IBTA
$704M
| $1.99M | ﹤0.01% |
87,635
-62,530
| -42% | -$1.69M |
|
304
Boeing
BA
$185B
| $1.98M | ﹤0.01% |
9,100
-382,620
| -98% | -$78.7M |
|
305
Cerus
CERS
$480M
| $1.64M | ﹤0.01% |
794,500
-305,500
| -28% | -$529K |
|
306
Cboe Global Markets
CBOE
$30.3B
| $1.48M | ﹤0.01% |
5,900
-800
| -12% | -$199K |
|
307
Ambarella
AMBA
$3.69B
| $1.38M | ﹤0.01% |
19,500
-1,400
| -7% | -$113K |
|
308
Comcast
CMCSA
$88.4B
| $1.34M | ﹤0.01% |
44,800
-137,300
| -75% | -$3.92M |
|
309
Zentalis Pharmaceuticals
ZNTL
$305M
| $1.29M | ﹤0.01% |
957,420
-5,200
| -0.5% | -$7.57K |
|
310
Greif Class B
GEF.B
$4.17B
| $1.12M | ﹤0.01% |
15,000
-5,000
| -25% | -$332K |
|
311
Health Catalyst
HCAT
$131M
| $814K | ﹤0.01% |
340,418
-1,028,649
| -75% | -$2.81M |
|
312
GrowGeneration
GRWG
$88.9M
| $566K | ﹤0.01% |
377,300
| – | – |
|
|
VLRS
313
Controladora Vuela Compania de Aviacion
VLRS
$921M
| $364K | ﹤0.01% |
41,000
| – | – |
|
|
OS
314
DELISTED
OneStream Inc
OS
| $360K | ﹤0.01% |
19,600
-83,300
| -81% | -$1.59M |
|
315
Medtronic
MDT
$113B
| $234K | ﹤0.01% |
2,440
-1,380
| -36% | -$134K |
|
|
CRCL
316
Circle Internet Group
CRCL
$16.5B
| $206K | ﹤0.01% |
2,600
-100
| -4% | -$10.3K |
|
317
Standard BioTools
LAB
$311M
| $196K | ﹤0.01% |
153,374
-22,800
| -13% | -$30.6K |
|
318
Snap
SNAP
$8.95B
| $150K | ﹤0.01% |
18,550
-200
| -1% | -$1.58K |
|
319
Leslie's
LESL
$10.7M
| $108K | ﹤0.01% |
65,556
| – | – |
|
320
American Homes 4 Rent
AMH
$12.4B
| – | – |
-242,300
| Closed | -$8.06M |
|
|
OPTU
321
Optimum Communications Inc
OPTU
$301M
| – | – |
-4,869,860
| Closed | -$11.7M |
|
322
Duolingo
DUOL
$6.3B
| – | – |
-900
| Closed | -$290K |
|
|
EA
323
DELISTED
Electronic Arts
EA
| – | – |
-339,305
| Closed | -$68.4M |
|
324
EPR Properties
EPR
$4.69B
| – | – |
-91,000
| Closed | -$5.28M |
|
|
KYNB
325
Kyntra Bio
KYNB
$29.7M
| – | – |
-58,879
| Closed | -$721K |
|
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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.