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 | |
|---|---|---|---|---|---|---|
1651
iQIYI
IQ
$1.3B
| $6.07M | ﹤0.01% |
3,160,367
+393,876
| +14% | +$843K |
|
1652
Antero Resources
AR
$11.5B
| $6.07M | ﹤0.01% |
176,042
+22,954
| +15% | +$777K |
|
1653
BK Technologies
BKTI
$277M
| $6.06M | ﹤0.01% |
81,247
+17,966
| +28% | +$1.29M |
|
1654
Myers Industries
MYE
$1.24B
| $6M | ﹤0.01% |
320,518
-15,739
| -5% | -$279K |
|
1655
Ecovyst
ECVT
$1.14B
| $6M | ﹤0.01% |
616,504
+271,483
| +79% | +$2.37M |
|
1656
ACM Research
ACMR
$5.56B
| $6M | ﹤0.01% |
151,986
+1,464
| +1% | +$54.6K |
|
1657
Strategy Inc
MSTR
$36.5B
| $5.96M | ﹤0.01% |
39,216
+2,763
| +8% | +$636K |
|
1658
Plug Power
PLUG
$3.2B
| $5.93M | ﹤0.01% |
3,008,899
+2,848,266
| +1,773% | +$7.44M |
|
1659
IPG Photonics
IPGP
$3.65B
| $5.92M | ﹤0.01% |
82,745
-123,562
| -60% | -$10.1M |
|
1660
Huntington Ingalls Industries
HII
$12.9B
| $5.9M | ﹤0.01% |
17,350
+371
| +2% | +$115K |
|
1661
Core Laboratories
CLB
$579M
| $5.89M | ﹤0.01% |
367,365
+153,461
| +72% | +$2.28M |
|
1662
First Horizon
FHN
$12.4B
| $5.88M | ﹤0.01% |
245,848
+4,456
| +2% | +$99.3K |
|
|
CUK
1663
DELISTED
Carnival PLC
CUK
| $5.86M | ﹤0.01% |
193,189
+36,704
| +23% | +$946K |
|
1664
Ecopetrol
EC
$35.9B
| $5.85M | ﹤0.01% |
583,350
+69,697
| +14% | +$665K |
|
1665
Bank First Corp
BFC
$1.75B
| $5.84M | ﹤0.01% |
47,957
-36,360
| -43% | -$4.63M |
|
1666
BCE
BCE
$21.9B
| $5.82M | ﹤0.01% |
243,879
+152,940
| +168% | +$3.56M |
|
1667
Harmonic Inc
HLIT
$1.5B
| $5.8M | ﹤0.01% |
586,955
+337,056
| +135% | +$3.4M |
|
1668
RingCentral
RNG
$5.38B
| $5.8M | ﹤0.01% |
200,930
+171,452
| +582% | +$4.88M |
|
1669
MGP Ingredients
MGPI
$379M
| $5.8M | ﹤0.01% |
238,769
+56,923
| +31% | +$1.39M |
|
1670
Bloomin' Brands
BLMN
$896M
| $5.79M | ﹤0.01% |
938,661
+189,177
| +25% | +$1.32M |
|
1671
Santander
BSBR
$42.8B
| $5.79M | ﹤0.01% |
947,875
+102,681
| +12% | +$601K |
|
1672
Nexstar Media Group
NXST
$5.83B
| $5.79M | ﹤0.01% |
28,521
-13,445
| -32% | -$2.63M |
|
1673
VSE Corp
VSEC
$6.71B
| $5.76M | ﹤0.01% |
33,359
+6,365
| +24% | +$1.09M |
|
|
FINV
1674
FinVolution Group
FINV
$1.04B
| $5.76M | ﹤0.01% |
1,101,671
+123,284
| +13% | +$724K |
|
1675
The Mosaic Company
MOS
$6.91B
| $5.72M | ﹤0.01% |
237,383
+2,858
| +1% | +$77K |
|
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.