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 | |
|---|---|---|---|---|---|---|
1901
Sotera Health
SHC
$5.41B
| $3.61M | ﹤0.01% |
251,852
+105,011
| +72% | +$1.74M |
|
1902
Hilton Grand Vacations
HGV
$3.31B
| $3.6M | ﹤0.01% |
91,961
+31,293
| +52% | +$1.4M |
|
|
NIQ
1903
NIQ Global Intelligence PLC
NIQ
$3.45B
| $3.6M | ﹤0.01% |
316,284
+304,886
| +2,675% | +$4.11M |
|
1904
Hamilton Beach Brands
HBB
$444M
| $3.59M | ﹤0.01% |
189,531
-7,032
| -4% | -$128K |
|
|
CURB
1905
Curbline Properties
CURB
$3.44B
| $3.59M | ﹤0.01% |
139,040
+94,248
| +210% | +$2.41M |
|
1906
Napco Security Technologies
NSSC
$1.43B
| $3.56M | ﹤0.01% |
90,471
-12,659
| -12% | -$531K |
|
1907
Applied Optoelectronics
AAOI
$11.2B
| $3.56M | ﹤0.01% |
42,090
+9,356
| +29% | +$597K |
|
1908
Ryanair
RYAAY
$30.9B
| $3.54M | ﹤0.01% |
61,284
+12,977
| +27% | +$857K |
|
1909
First Industrial Realty Trust
FR
$8.36B
| $3.54M | ﹤0.01% |
61,123
-475,477
| -89% | -$28.3M |
|
1910
Badger Meter
BMI
$3.95B
| $3.53M | ﹤0.01% |
23,190
-5,417
| -19% | -$850K |
|
1911
Shake Shack
SHAK
$2.89B
| $3.49M | ﹤0.01% |
39,440
+24,744
| +168% | +$2.28M |
|
1912
Hingham Institution for Saving
HIFS
$657M
| $3.48M | ﹤0.01% |
12,163
+3,958
| +48% | +$1.16M |
|
1913
Omnicell
OMCL
$1.7B
| $3.48M | ﹤0.01% |
104,130
+2,925
| +3% | +$122K |
|
1914
Cohu
COHU
$2.34B
| $3.47M | ﹤0.01% |
113,386
+762
| +0.7% | +$22.4K |
|
1915
OneSpan
OSPN
$603M
| $3.47M | ﹤0.01% |
329,296
+124,939
| +61% | +$1.42M |
|
1916
Sea Limited
SE
$70.3B
| $3.46M | ﹤0.01% |
41,755
-257,731
| -86% | -$27.6M |
|
1917
Belden
BDC
$5.28B
| $3.45M | ﹤0.01% |
30,032
+12,690
| +73% | +$1.6M |
|
1918
ARS Pharmaceuticals
SPRY
$587M
| $3.44M | ﹤0.01% |
428,599
-27,167
| -6% | -$260K |
|
1919
First Community Bankshares
FCBC
$902M
| $3.44M | ﹤0.01% |
82,873
-1,041
| -1% | -$39.6K |
|
1920
CRA International
CRAI
$1.06B
| $3.44M | ﹤0.01% |
21,246
+1,982
| +10% | +$357K |
|
1921
Graham Holdings Company
GHC
$4.99B
| $3.43M | ﹤0.01% |
3,248
+1,562
| +93% | +$1.72M |
|
1922
BellRing Brands
BRBR
$1.32B
| $3.42M | ﹤0.01% |
212,313
+106,702
| +101% | +$2.16M |
|
1923
Miller Industries
MLR
$606M
| $3.4M | ﹤0.01% |
74,710
+30,905
| +71% | +$1.32M |
|
1924
Rexford Industrial Realty
REXR
$8.13B
| $3.4M | ﹤0.01% |
103,824
+4,807
| +5% | +$180K |
|
1925
V2X
VVX
$2.6B
| $3.39M | ﹤0.01% |
49,517
+6,828
| +16% | +$462K |
|
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.