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 | |
|---|---|---|---|---|---|---|
1151
Gentherm
THRM
$1.27B
| $21.2M | 0.01% |
762,439
+89,658
| +13% | +$2.93M |
|
1152
Grupo Aeroportuario Centro Norte
OMAB
$5.24B
| $21.1M | 0.01% |
184,191
+32,340
| +21% | +$3.77M |
|
1153
Keysight
KEYS
$57.3B
| $21.1M | 0.01% |
74,707
-11,984
| -14% | -$3M |
|
1154
Victory Capital Holdings
VCTR
$6.85B
| $21M | 0.01% |
321,264
+300,881
| +1,476% | +$21M |
|
1155
United Fire Group
UFCS
$1.37B
| $21M | 0.01% |
567,083
+102,850
| +22% | +$3.79M |
|
1156
Vanguard S&P 500 ETF
VOO
$1.03T
| $21M | 0.01% |
35,100
-8,000
| -19% | -$5M |
|
1157
CubeSmart
CUBE
$9.23B
| $21M | 0.01% |
572,268
+9,556
| +2% | +$367K |
|
1158
Hecla Mining
HL
$11.8B
| $21M | 0.01% |
1,125,792
+171,506
| +18% | +$3.86M |
|
|
SPYM
1159
State Street SPDR Portfolio S&P 500 ETF
SPYM
$169B
| $20.9M | 0.01% |
273,600
-121,728
| -31% | -$9.74M |
|
1160
SandRidge Energy
SD
$533M
| $20.9M | 0.01% |
1,282,068
+65,343
| +5% | +$1.06M |
|
1161
Build-A-Bear
BBW
$467M
| $20.9M | 0.01% |
558,076
+10,249
| +2% | +$540K |
|
|
DCH
1162
Dauch Corp
DCH
$1.58B
| $20.7M | 0.01% |
3,507,063
-1,719,605
| -33% | -$12M |
|
1163
Koppers
KOP
$956M
| $20.7M | 0.01% |
535,002
+115,679
| +28% | +$3.87M |
|
1164
Vaxcyte
PCVX
$8.67B
| $20.7M | 0.01% |
355,854
-1,446
| -0.4% | -$78.5K |
|
1165
Ultrapar
UGP
$6.42B
| $20.5M | 0.01% |
3,715,079
+665,410
| +22% | +$3.22M |
|
1166
Enbridge
ENB
$112B
| $20.4M | 0.01% |
377,154
+52,349
| +16% | +$2.67M |
|
1167
Agilent Technologies
A
$42B
| $20.4M | 0.01% |
179,061
-5,564
| -3% | -$706K |
|
1168
CME Group
CME
$94.8B
| $20.4M | 0.01% |
69,020
-754
| -1% | -$224K |
|
1169
Aflac
AFL
$61.1B
| $20.3M | 0.01% |
185,233
+234
| +0.1% | +$25.9K |
|
1170
Kinsale Capital Group
KNSL
$8.4B
| $20.3M | 0.01% |
59,411
-93,469
| -61% | -$35.4M |
|
1171
Dime Commercial Bancshares
DCOM
$1.77B
| $20.2M | 0.01% |
598,209
+147,760
| +33% | +$4.86M |
|
1172
iShares National Muni Bond ETF
MUB
$45.8B
| $20.2M | 0.01% |
190,500
+101,900
| +115% | +$11M |
|
1173
Southern Missouri Bancorp
SMBC
$842M
| $20.2M | 0.01% |
315,815
+23,492
| +8% | +$1.47M |
|
1174
VanEck High Yield Muni ETF
HYD
$4.4B
| $20.2M | 0.01% |
402,200
+223,300
| +125% | +$11.4M |
|
1175
Emergent Biosolutions
EBS
$229M
| $20.1M | 0.01% |
2,425,722
-13,717
| -0.6% | -$142K |
|
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.