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 | |
|---|---|---|---|---|---|---|
101
Cummins
CMI
$88.7B
| $283M | 0.15% |
526,569
-220,923
| -30% | -$125M |
|
102
EOG Resources
EOG
$70.7B
| $283M | 0.15% |
1,956,602
-248,864
| -11% | -$30.2M |
|
103
SM Energy
SM
$6.87B
| $278M | 0.14% |
8,923,624
+4,186,297
| +88% | +$95.5M |
|
104
A.O. Smith
AOS
$8.7B
| $278M | 0.14% |
4,215,238
+218,197
| +5% | +$15.7M |
|
105
Murphy Oil
MUR
$4.78B
| $277M | 0.14% |
6,726,628
+2,520,052
| +60% | +$85.3M |
|
106
Fair Isaac
FICO
$22.5B
| $276M | 0.14% |
258,827
-92,446
| -26% | -$127M |
|
107
Home Depot
HD
$355B
| $275M | 0.14% |
835,987
-23,598
| -3% | -$8.6M |
|
108
StoneX
SNEX
$7.94B
| $274M | 0.14% |
5,097,713
+507,429
| +11% | +$25.7M |
|
109
Ameriprise Financial
AMP
$48.8B
| $273M | 0.14% |
613,750
+332,007
| +118% | +$160M |
|
|
110
Honeywell
HON
$78B
| $269M | 0.14% |
1,192,108
+928,940
| +353% | +$212M |
|
111
Cintas
CTAS
$81.3B
| $268M | 0.14% |
1,585,449
+401,355
| +34% | +$76.9M |
|
112
Columbia Banking Systems
COLB
$8.84B
| $267M | 0.14% |
9,736,069
+295,360
| +3% | +$8.54M |
|
113
Prologis
PLD
$133B
| $267M | 0.14% |
2,016,649
-304,094
| -13% | -$40.6M |
|
114
Curtiss-Wright
CW
$25.5B
| $266M | 0.14% |
390,686
-93,356
| -19% | -$62.1M |
|
115
Uber
UBER
$153B
| $265M | 0.14% |
3,683,744
+701,764
| +24% | +$54M |
|
116
Henry Schein
HSIC
$9.82B
| $265M | 0.14% |
3,594,359
-70,772
| -2% | -$5.47M |
|
117
Berkshire Hathaway Class B
BRK.B
$1.13T
| $264M | 0.14% |
550,809
+78,307
| +17% | +$38.4M |
|
118
Viasat
VSAT
$11.1B
| $263M | 0.14% |
5,736,614
+1,105,389
| +24% | +$49.7M |
|
119
Welltower
WELL
$171B
| $263M | 0.14% |
1,328,735
-45,816
| -3% | -$9.05M |
|
120
Northern Trust
NTRS
$33.9B
| $261M | 0.13% |
1,872,709
-389,593
| -17% | -$56.1M |
|
121
Visa
V
$677B
| $260M | 0.13% |
860,423
+106,890
| +14% | +$34.4M |
|
122
UnitedHealth
UNH
$370B
| $259M | 0.13% |
958,339
-20,389
| -2% | -$6.07M |
|
123
Linde
LIN
$226B
| $256M | 0.13% |
517,253
-3,023
| -0.6% | -$1.43M |
|
124
Fabrinet
FN
$20.1B
| $255M | 0.13% |
489,855
+314,816
| +180% | +$160M |
|
125
Hilton Worldwide
HLT
$71.5B
| $254M | 0.13% |
836,338
+6,760
| +0.8% | +$2.05M |
|
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.