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 |
Microsoft
MSFT
|
+$430M |
| 2 |
MRSH
Marsh
MRSH
|
+$342M |
| 3 |
Honeywell
HON
|
+$212M |
| 4 |
Owens Corning
OC
|
+$206M |
| 5 |
Coeur Mining
CDE
|
+$174M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$513M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$440M |
| 3 |
NVIDIA
NVDA
|
+$416M |
| 4 |
Kenvue
KVUE
|
+$306M |
| 5 |
Apple
AAPL
|
+$213M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 25.15% |
| 2 | Financials | 13.37% |
| 3 | Consumer Discretionary | 11.55% |
| 4 | Industrials | 10.99% |
| 5 | Healthcare | 9.31% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1976
Open Text
OTEX
$5.99B
| $2.96M | ﹤0.01% |
132,886
+3,172
| +2% | +$82.4K |
|
1977
JetBlue
JBLU
$2.13B
| $2.94M | ﹤0.01% |
665,715
+29,954
| +5% | +$152K |
|
1978
Espey Mfg & Electronics Corp
ESP
$186M
| $2.94M | ﹤0.01% |
53,086
+16,637
| +46% | +$909K |
|
|
NESR
1979
National Energy Services Reunited Corp
NESR
$3.61B
| $2.94M | ﹤0.01% |
136,844
-271,666
| -67% | -$5.66M |
|
1980
News Corp Class A
NWSA
$15.4B
| $2.94M | ﹤0.01% |
117,740
+6,495
| +6% | +$161K |
|
1981
Celsius Holdings
CELH
$6.89B
| $2.93M | ﹤0.01% |
82,718
-713,111
| -90% | -$33.8M |
|
1982
UiPath
PATH
$8.08B
| $2.93M | ﹤0.01% |
264,175
-82,968
| -24% | -$1.06M |
|
1983
Enviri
NVRI
$615M
| $2.92M | ﹤0.01% |
148,679
+12,441
| +9% | +$231K |
|
1984
Allient
ALNT
$1.92B
| $2.91M | ﹤0.01% |
49,312
-301
| -0.6% | -$19K |
|
|
JHG
1985
DELISTED
Janus Henderson
JHG
| $2.91M | ﹤0.01% |
56,610
-158
| -0.3% | -$7.82K |
|
1986
Factset
FDS
$10.1B
| $2.91M | ﹤0.01% |
13,392
+2,323
| +21% | +$542K |
|
1987
Schwab U.S Small- Cap ETF
SCHA
$23B
| $2.89M | ﹤0.01% |
99,264
+35,893
| +57% | +$1.08M |
|
1988
DoubleVerify
DV
$2.03B
| $2.88M | ﹤0.01% |
302,899
+93
| +0% | +$951 |
|
1989
American States Water
AWR
$3.43B
| $2.87M | ﹤0.01% |
37,985
+31,467
| +483% | +$2.32M |
|
1990
Organon & Co
OGN
$3.58B
| $2.86M | ﹤0.01% |
477,736
-128,616
| -21% | -$968K |
|
1991
CVR Energy
CVI
$3.26B
| $2.86M | ﹤0.01% |
85,000
-60,153
| -41% | -$1.55M |
|
1992
Marriott Vacations Worldwide
VAC
$3.89B
| $2.85M | ﹤0.01% |
43,780
-5,098
| -10% | -$316K |
|
1993
Service Corp International
SCI
$11.4B
| $2.83M | ﹤0.01% |
34,343
-935
| -3% | -$75.5K |
|
1994
EPAM Systems
EPAM
$5.02B
| $2.83M | ﹤0.01% |
20,893
+706
| +3% | +$121K |
|
1995
LKQ Corp
LKQ
$6.22B
| $2.82M | ﹤0.01% |
96,161
+62,348
| +184% | +$2M |
|
1996
Willdan Group
WLDN
$1.24B
| $2.81M | ﹤0.01% |
36,714
-671
| -2% | -$71K |
|
1997
ScottsMiracle-Gro
SMG
$3.63B
| $2.81M | ﹤0.01% |
46,218
+20,452
| +79% | +$1.32M |
|
1998
Idacorp
IDA
$8.08B
| $2.8M | ﹤0.01% |
19,614
-40
| -0.2% | -$5.49K |
|
1999
Rivian
RIVN
$23.7B
| $2.79M | ﹤0.01% |
185,692
-20,683
| -10% | -$331K |
|
2000
Universal Display
OLED
$4.16B
| $2.79M | ﹤0.01% |
30,486
+17,499
| +135% | +$1.94M |
|
Similar funds
American Century Companies's Q1 2026 Portfolio in Review
As of Q1 2026, American Century Companies held 2,945 positions worth $194B, down 2.4% from $199B the previous quarter. Its ten largest holdings account for 24% of the portfolio.
American Century Companies's Q1 2026 filing shows 133 new, 1,604 increased, 1,039 reduced and 115 closed positions. Its largest new stake was Sunbelt Rentals Holdings: 2,015,224 shares worth $127M. The largest sale was Amazon, an estimated $513M.
By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 27% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q1 2026 buy was Sunbelt Rentals Holdings: 2,015,224 shares worth $127M.
- American Century Companies added most to Microsoft in Q1 2026, an estimated $430M increase.
- American Century Companies's biggest Q1 2026 reduction was Amazon, cutting an estimated $513M.
- American Century Companies fully exited Icon in Q1 2026, selling an estimated $189M.
- American Century Companies's ten largest holdings make up 24% of its $194B portfolio in Q1 2026.
- American Century Companies opened 133 new positions and closed 115 in Q1 2026.
- American Century Companies's portfolio value fell 2.4% quarter-over-quarter to $194B.
Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.