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 | |
|---|---|---|---|---|---|---|
926
LSB Industries
LXU
$726M
| $34.2M | 0.02% |
2,296,001
+224,460
| +11% | +$2.56M |
|
927
Universal Insurance Holdings
UVE
$1.21B
| $34.2M | 0.02% |
999,930
+102,730
| +11% | +$3.31M |
|
928
First Busey Corp
BUSE
$2.55B
| $34M | 0.02% |
1,346,463
+120,116
| +10% | +$3.03M |
|
929
Armstrong World Industries
AWI
$7.75B
| $34M | 0.02% |
206,205
+18,747
| +10% | +$3.43M |
|
930
Peoples Bancorp
PEBO
$1.46B
| $33.9M | 0.02% |
1,031,664
+44,952
| +5% | +$1.45M |
|
931
DNOW Inc
DNOW
$3.01B
| $33.8M | 0.02% |
2,835,208
-1,277,106
| -31% | -$17.3M |
|
932
BWX Technologies
BWXT
$15.5B
| $33.7M | 0.02% |
164,942
-137,090
| -45% | -$27.8M |
|
933
Descartes Systems
DSGX
$6.86B
| $33.5M | 0.02% |
468,511
+452,595
| +2,844% | +$33.4M |
|
934
Daktronics
DAKT
$1.03B
| $33.5M | 0.02% |
1,714,603
-6,198
| -0.4% | -$141K |
|
|
MASI
935
DELISTED
Masimo
MASI
| $33.5M | 0.02% |
188,073
+9,315
| +5% | +$1.46M |
|
|
MDA
936
MDA Space Ltd
MDA
$5.41B
| $33.2M | 0.02% |
+1,310,663
| New | +$38.6M |
|
937
Workday
WDAY
$45.5B
| $33.2M | 0.02% |
255,540
-394,006
| -61% | -$62.5M |
|
938
WEC Energy
WEC
$34.6B
| $33.2M | 0.02% |
286,420
-197,748
| -41% | -$22.2M |
|
939
BJ's Restaurants
BJRI
$1.46B
| $33.1M | 0.02% |
942,846
+45,067
| +5% | +$1.8M |
|
940
IDEX
IEX
$17.2B
| $33.1M | 0.02% |
174,534
-88,083
| -34% | -$17.4M |
|
941
Mach Natural Resources
MNR
$2.2B
| $33M | 0.02% |
2,359,750
-188,160
| -7% | -$2.37M |
|
|
INR
942
Infinity Natural Resources
INR
$262M
| $32.9M | 0.02% |
1,868,826
+34,240
| +2% | +$559K |
|
943
Verisk Analytics
VRSK
$23.6B
| $32.9M | 0.02% |
173,366
+17,043
| +11% | +$3.46M |
|
944
Onto Innovation
ONTO
$14.5B
| $32.9M | 0.02% |
160,393
-87,701
| -35% | -$18M |
|
945
Lincoln Educational Services
LINC
$976M
| $32.9M | 0.02% |
808,302
+132,654
| +20% | +$4.18M |
|
946
HF Sinclair
DINO
$15.2B
| $32.8M | 0.02% |
525,493
-41,061
| -7% | -$2.22M |
|
947
Revolution Medicines
RVMD
$44.4B
| $32.6M | 0.02% |
335,528
-131,832
| -28% | -$13.3M |
|
948
Avantis US Mid Cap Value ETF
AVMV
$757M
| $32.6M | 0.02% |
439,758
+84,583
| +24% | +$6.35M |
|
949
Essential Properties Realty Trust
EPRT
$6.53B
| $32.6M | 0.02% |
1,074,411
+47,128
| +5% | +$1.49M |
|
950
World Kinect Corp
WKC
$1.89B
| $32.6M | 0.02% |
1,412,655
+204,673
| +17% | +$5.2M |
|
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.