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 | |
|---|---|---|---|---|---|---|
726
Verra Mobility
VRRM
$728M
| $52.6M | 0.03% |
3,678,081
+1,295,645
| +54% | +$23.7M |
|
727
La-Z-Boy
LZB
$1.67B
| $52.4M | 0.03% |
1,629,918
+142,945
| +10% | +$5.16M |
|
728
Q2 Holdings
QTWO
$3.91B
| $52.4M | 0.03% |
1,107,101
-68,128
| -6% | -$3.84M |
|
729
SiteOne Landscape Supply
SITE
$4.39B
| $52.3M | 0.03% |
392,934
-1,236
| -0.3% | -$175K |
|
730
Agilysys
AGYS
$3.05B
| $52.2M | 0.03% |
733,780
+153,452
| +26% | +$13.3M |
|
731
Cigna
CI
$74.1B
| $52.2M | 0.03% |
195,678
-5,398
| -3% | -$1.49M |
|
732
Las Vegas Sands
LVS
$29.5B
| $51.9M | 0.03% |
963,991
+37,721
| +4% | +$2.15M |
|
733
Universal Technical Institute
UTI
$1.54B
| $51.9M | 0.03% |
1,436,517
-161,153
| -10% | -$5.09M |
|
734
Canadian Imperial Bank of Commerce
CM
$110B
| $51.5M | 0.03% |
543,902
+81,774
| +18% | +$7.82M |
|
735
Northeast Bank
NBN
$1.14B
| $51.5M | 0.03% |
458,605
+74,562
| +19% | +$8.43M |
|
736
Pegasystems
PEGA
$5.41B
| $51.5M | 0.03% |
1,210,562
-571,520
| -32% | -$26.5M |
|
737
Royal Gold
RGLD
$19.6B
| $51.5M | 0.03% |
202,180
+3,497
| +2% | +$928K |
|
738
Bank of America Series L
BAC.PRL
$4B
| $51.4M | 0.03% |
43,094
+117
| +0.3% | +$145K |
|
739
Helix Energy Solutions
HLX
$1.45B
| $51.4M | 0.03% |
5,197,560
+68,655
| +1% | +$584K |
|
740
Lennar Class A
LEN
$20.6B
| $51.3M | 0.03% |
591,252
+86,577
| +17% | +$9.36M |
|
741
Constellium
CSTM
$3.96B
| $51.3M | 0.03% |
2,085,479
+274,135
| +15% | +$6.52M |
|
|
FLOC
742
Flowco Holdings
FLOC
$912M
| $51.2M | 0.03% |
2,487,364
-174,389
| -7% | -$3.78M |
|
|
AVUQ
743
Avantis U.S. Quality ETF
AVUQ
$299M
| $51.1M | 0.03% |
+901,171
| New | +$53.7M |
|
|
GLDD
744
DELISTED
Great Lakes Dredge & Dock
GLDD
| $51.1M | 0.03% |
3,006,419
+421,815
| +16% | +$6.72M |
|
745
Mirion Technologies
MIR
$3.75B
| $50.8M | 0.03% |
2,732,762
+176,038
| +7% | +$3.97M |
|
|
GOLD
746
Gold.com Inc
GOLD
$1.26B
| $50.5M | 0.03% |
1,258,869
+145,938
| +13% | +$7.14M |
|
747
RadNet
RDNT
$5.98B
| $50.4M | 0.03% |
902,192
-5,840
| -0.6% | -$399K |
|
748
G-III Apparel Group
GIII
$1.48B
| $50.4M | 0.03% |
1,818,651
+79,813
| +5% | +$2.33M |
|
749
Alamo Group
ALG
$2.06B
| $50.3M | 0.03% |
304,825
+48,436
| +19% | +$9.14M |
|
|
KRMN
750
Karman Holdings
KRMN
$8.16B
| $50.2M | 0.03% |
627,714
-2,582
| -0.4% | -$249K |
|
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.