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 | |
|---|---|---|---|---|---|---|
1001
Central Pacific Financial
CPF
$991M
| $28.8M | 0.01% |
900,745
+60,628
| +7% | +$1.95M |
|
1002
Avantis US Small Cap Equity ETF
AVSC
$3.14B
| $28.8M | 0.01% |
461,745
+48,540
| +12% | +$3.05M |
|
1003
Jones Lang LaSalle
JLL
$16.4B
| $28.6M | 0.01% |
94,141
-68,930
| -42% | -$22.3M |
|
1004
Byline Bancorp
BY
$1.75B
| $28.6M | 0.01% |
905,189
+64,602
| +8% | +$2.03M |
|
1005
Triumph Financial Inc
TFIN
$1.8B
| $28.5M | 0.01% |
478,451
-238,516
| -33% | -$14.9M |
|
1006
Intercontinental Exchange
ICE
$84.5B
| $28.4M | 0.01% |
180,766
-4,412
| -2% | -$720K |
|
1007
Mercantile Bank Corp
MBWM
$1.05B
| $28.4M | 0.01% |
561,467
+43,563
| +8% | +$2.24M |
|
|
QXO
1008
QXO Inc
QXO
$16.6B
| $28.3M | 0.01% |
1,459,607
-71,034
| -5% | -$1.63M |
|
1009
S&T Bancorp
STBA
$1.79B
| $28.1M | 0.01% |
671,052
-9,936
| -1% | -$415K |
|
|
AD
1010
Array Digital Infrastructure
AD
$3.03B
| $28M | 0.01% |
606,779
+99,095
| +20% | +$4.94M |
|
|
FITB
1011
Fifth Third Bancorp
FITB
$51.8B
| $28M | 0.01% |
602,127
+208,987
| +53% | +$10.3M |
|
1012
Itron
ITRI
$4.49B
| $27.7M | 0.01% |
309,585
+24,192
| +8% | +$2.32M |
|
1013
Rayonier Advanced Materials
RYAM
$593M
| $27.7M | 0.01% |
2,505,353
-260,824
| -9% | -$2.35M |
|
1014
Repligen
RGEN
$9.21B
| $27.7M | 0.01% |
235,365
-14,908
| -6% | -$2.08M |
|
1015
American Financial Group
AFG
$11.9B
| $27.7M | 0.01% |
216,988
+8,874
| +4% | +$1.15M |
|
1016
National Grid
NGG
$79.9B
| $27.7M | 0.01% |
326,853
+80,810
| +33% | +$6.96M |
|
1017
Metropolitan Bank Holding Corp
MCB
$1.15B
| $27.6M | 0.01% |
331,439
+4,419
| +1% | +$379K |
|
1018
IMAX
IMAX
$2.81B
| $27.6M | 0.01% |
725,631
+229,814
| +46% | +$8.54M |
|
1019
Hamilton Insurance Group
HG
$3.46B
| $27.6M | 0.01% |
924,301
-236,905
| -20% | -$6.82M |
|
1020
Ducommun
DCO
$2.94B
| $27.5M | 0.01% |
225,797
+102,050
| +82% | +$12.2M |
|
1021
AdvanSix
ASIX
$438M
| $27.5M | 0.01% |
1,126,637
+105,523
| +10% | +$1.99M |
|
1022
Ingredion
INGR
$6.53B
| $27.5M | 0.01% |
243,861
+13,481
| +6% | +$1.55M |
|
1023
Sony
SONY
$140B
| $27.5M | 0.01% |
1,326,908
-630,131
| -32% | -$14.1M |
|
1024
SunCoke Energy
SXC
$799M
| $27.3M | 0.01% |
4,196,144
+255,972
| +6% | +$1.81M |
|
1025
Cracker Barrel
CBRL
$1.25B
| $27.3M | 0.01% |
971,590
+59,552
| +7% | +$1.81M |
|
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.