American Century Companies Portfolio holdings
American Century Companies, Inc., founded in 1958 by James E. Stowers Jr. as Twentieth Century Mutual Funds and headquartered in Kansas City, Missouri, is a privately held investment management firm renowned for its focus on delivering investment results to clients while supporting medical research. Starting with just $100,000 from 24 shareholders, it rebranded to American Century Investments in 1997 and now manages hundreds of billions in assets across mutual funds, ETFs, and institutional portfolios, emphasizing no-load funds and a client-centric approach. The firm’s unique ownership structure sees over 40% of its profits funneled to the Stowers Institute for Medical Research, which it majority-owns, funding groundbreaking biomedical research, while Nomura Holdings holds a significant minority stake. With a global presence in cities like New York, London, and Hong Kong, and a workforce of around 1,400, American Century blends financial expertise with a mission to improve lives through both wealth creation and scientific advancement.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amphenol
APH
|
+$460M |
| 2 |
Broadcom
AVGO
|
+$298M |
| 3 |
Sysco
SYY
|
+$225M |
| 4 |
MRSH
Marsh
MRSH
|
+$200M |
| 5 |
Ascendis Pharma A/S
ASND
|
+$186M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$573M |
| 2 |
Visa
V
|
+$465M |
| 3 |
Apple
AAPL
|
+$461M |
| 4 |
Alphabet (Google) Class A
GOOGL
|
+$363M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$358M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 26.8% |
| 2 | Financials | 13.6% |
| 3 | Consumer Discretionary | 12.52% |
| 4 | Industrials | 10.05% |
| 5 | Healthcare | 9.86% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
1
NVIDIA
NVDA
$5.43T
| $11.8B | 5.93% |
63,312,407
-3,076,102
| -5% | -$573M |
|
2
Microsoft
MSFT
$3.66T
| $7.31B | 3.68% |
15,124,398
-393,018
| -3% | -$197M |
|
|
3
Apple
AAPL
$4.41T
| $7.08B | 3.56% |
26,030,829
-1,717,245
| -6% | -$461M |
|
4
Amazon
AMZN
$2.88T
| $6.14B | 3.09% |
26,600,380
-491,727
| -2% | -$113M |
|
|
5
Alphabet (Google) Class A
GOOGL
$4.2T
| $5.91B | 2.97% |
18,892,292
-1,271,036
| -6% | -$363M |
|
6
Meta Platforms (Facebook)
META
$1.47T
| $3.32B | 1.67% |
5,033,058
-390,230
| -7% | -$261M |
|
|
7
Broadcom
AVGO
$1.98T
| $3.24B | 1.63% |
9,352,989
+832,723
| +10% | +$298M |
|
8
Mastercard
MA
$490B
| $3.14B | 1.58% |
5,501,246
+287,282
| +6% | +$161M |
|
9
Tesla
TSLA
$1.29T
| $3.08B | 1.55% |
6,857,575
-108,863
| -2% | -$48.3M |
|
|
10
Alphabet (Google) Class C
GOOG
$4.19T
| $3.08B | 1.55% |
9,809,127
-1,248,759
| -11% | -$358M |
|
11
TSMC
TSM
$2.23T
| $2.05B | 1.03% |
6,735,211
+252,677
| +4% | +$74.1M |
|
12
Eli Lilly
LLY
$1.09T
| $2B | 1.01% |
1,861,953
-99,692
| -5% | -$95.3M |
|
13
Netflix
NFLX
$309B
| $1.64B | 0.83% |
17,512,671
+433,881
| +3% | +$46.8M |
|
14
Costco
COST
$421B
| $1.5B | 0.75% |
1,741,511
+121,808
| +8% | +$110M |
|
15
JPMorgan Chase
JPM
$971B
| $1.19B | 0.6% |
3,707,319
-373,550
| -9% | -$116M |
|
16
Intuitive Surgical
ISRG
$142B
| $1.19B | 0.6% |
2,103,449
+97,062
| +5% | +$51.7M |
|
17
Applied Materials
AMAT
$435B
| $933M | 0.47% |
3,628,597
+607,774
| +20% | +$146M |
|
18
Analog Devices
ADI
$187B
| $895M | 0.45% |
3,299,998
-195,742
| -6% | -$49.2M |
|
19
Oracle
ORCL
$442B
| $833M | 0.42% |
4,275,358
-962,648
| -18% | -$229M |
|
20
Howmet Aerospace
HWM
$112B
| $810M | 0.41% |
3,951,211
+473,411
| +14% | +$94.2M |
|
21
AbbVie
ABBV
$440B
| $799M | 0.4% |
3,495,917
+179,126
| +5% | +$40.8M |
|
|
22
Amphenol
APH
$210B
| $788M | 0.4% |
5,833,175
+3,437,013
| +143% | +$460M |
|
23
Johnson & Johnson
JNJ
$629B
| $723M | 0.36% |
3,495,161
-986,124
| -22% | -$195M |
|
24
Applovin
APP
$102B
| $674M | 0.34% |
1,000,279
+191,576
| +24% | +$121M |
|
25
ExxonMobil
XOM
$657B
| $636M | 0.32% |
5,286,565
+190,979
| +4% | +$22.2M |
|
Similar funds
American Century Companies's Q4 2025 Portfolio in Review
As of Q4 2025, American Century Companies held 2,902 positions worth $199B, up 1.2% from $197B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
American Century Companies's Q4 2025 filing shows 123 new, 1,653 increased, 947 reduced and 91 closed positions. Its largest new stake was Amrize Ltd: 2,173,524 shares worth $118M. The largest sale was NVIDIA, an estimated $573M.
By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 28% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q4 2025 buy was Amrize Ltd: 2,173,524 shares worth $118M.
- American Century Companies added most to Amphenol in Q4 2025, an estimated $460M increase.
- American Century Companies's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $573M.
- American Century Companies fully exited Premier in Q4 2025, selling an estimated $91.5M.
- American Century Companies's ten largest holdings make up 27% of its $199B portfolio in Q4 2025.
- American Century Companies opened 123 new positions and closed 91 in Q4 2025.
- American Century Companies's portfolio value rose 1.2% quarter-over-quarter to $199B.
Based on American Century Companies's 13F filing for Q4 2025, filed 13 Feb 2026.