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 | |
|---|---|---|---|---|---|---|
376
Ceco Environmental
CECO
$4.11B
| $113M | 0.06% |
1,894,177
-144,135
| -7% | -$9.27M |
|
377
Masco
MAS
$14.7B
| $113M | 0.06% |
1,864,234
+354,333
| +23% | +$24M |
|
378
Canadian Pacific Kansas City
CP
$79.6B
| $113M | 0.06% |
1,430,095
-75,625
| -5% | -$5.98M |
|
379
SiriusPoint
SPNT
$2.63B
| $112M | 0.06% |
5,216,035
+195,187
| +4% | +$4.02M |
|
380
NetEase
NTES
$85.4B
| $112M | 0.06% |
1,002,979
+75,346
| +8% | +$9.35M |
|
381
Tidewater
TDW
$4.46B
| $112M | 0.06% |
1,335,242
+172,823
| +15% | +$12M |
|
382
Brink's
BCO
$4.55B
| $110M | 0.06% |
1,065,358
-41,085
| -4% | -$4.93M |
|
383
ON Semiconductor
ON
$31.1B
| $110M | 0.06% |
1,782,550
+226,839
| +15% | +$14.2M |
|
384
Halliburton
HAL
$28B
| $110M | 0.06% |
2,830,148
+781,196
| +38% | +$27M |
|
385
Euronet Worldwide
EEFT
$2.65B
| $110M | 0.06% |
1,660,360
-113,067
| -6% | -$8.09M |
|
386
LCI Industries
LCII
$2.55B
| $110M | 0.06% |
893,329
+12,688
| +1% | +$1.74M |
|
387
Eaton
ETN
$173B
| $110M | 0.06% |
306,686
-10,228
| -3% | -$3.64M |
|
388
Texas Instruments
TXN
$256B
| $110M | 0.06% |
564,551
+40,308
| +8% | +$8.16M |
|
389
Dollar General
DG
$27B
| $109M | 0.06% |
920,797
+81,046
| +10% | +$11.6M |
|
390
Enovis
ENOV
$1.4B
| $108M | 0.06% |
4,768,921
-490,394
| -9% | -$11.6M |
|
391
Cognizant
CTSH
$26.3B
| $108M | 0.06% |
1,764,877
+166,312
| +10% | +$11.9M |
|
392
NewMarket
NEU
$8.37B
| $108M | 0.06% |
168,644
+41,275
| +32% | +$26.8M |
|
393
Polaris
PII
$3.97B
| $107M | 0.06% |
1,972,094
+186,992
| +10% | +$11.7M |
|
394
Novartis
NVS
$298B
| $107M | 0.06% |
703,178
+84,910
| +14% | +$13M |
|
395
Assured Guaranty
AGO
$3.36B
| $107M | 0.06% |
1,316,129
+103,974
| +9% | +$8.87M |
|
396
Public Storage
PSA
$60.8B
| $107M | 0.06% |
395,375
-115,957
| -23% | -$33.2M |
|
397
EQT Corp
EQT
$33.8B
| $107M | 0.06% |
1,682,806
+998,758
| +146% | +$58.5M |
|
398
Banco Bilbao Vizcaya Argentaria
BBVA
$156B
| $107M | 0.05% |
4,923,972
+1,237,703
| +34% | +$28.6M |
|
399
CBRE Group
CBRE
$41.7B
| $106M | 0.05% |
783,551
-212,027
| -21% | -$32.2M |
|
400
Ovintiv
OVV
$17.6B
| $106M | 0.05% |
1,785,091
+739,100
| +71% | +$35.7M |
|
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.