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 | |
|---|---|---|---|---|---|---|
351
Lockheed Martin
LMT
$136B
| $118M | 0.06% |
194,946
+46,553
| +31% | +$28.7M |
|
352
Sensata Technologies
ST
$6.79B
| $118M | 0.06% |
3,340,906
+320,194
| +11% | +$11.3M |
|
|
BNY
353
Bank of New York Mellon
BNY
$107B
| $117M | 0.06% |
988,649
-743,269
| -43% | -$88.4M |
|
354
Citigroup
C
$226B
| $117M | 0.06% |
1,032,031
-105,402
| -9% | -$12M |
|
355
Comcast
CMCSA
$90B
| $117M | 0.06% |
4,074,719
+1,636,527
| +67% | +$49M |
|
356
Trinity Industries
TRN
$2.38B
| $116M | 0.06% |
3,606,023
+396,972
| +12% | +$12.2M |
|
357
Astronics
ATRO
$3.84B
| $116M | 0.06% |
2,085,088
-31,994
| -2% | -$1.93M |
|
358
Regions Financial
RF
$26.8B
| $116M | 0.06% |
4,434,095
-1,359,675
| -23% | -$38M |
|
359
New York Times
NYT
$10.2B
| $116M | 0.06% |
1,381,270
+121,380
| +10% | +$9.18M |
|
360
Casey's General Stores
CASY
$30.9B
| $116M | 0.06% |
158,760
+6,344
| +4% | +$4.13M |
|
361
Toro Company
TTC
$9.49B
| $115M | 0.06% |
1,230,065
-488,768
| -28% | -$46M |
|
362
Life Time Group Holdings
LTH
$9.79B
| $115M | 0.06% |
4,254,385
+1,535,192
| +56% | +$42.5M |
|
363
American Century Multisector Income ETF
MUSI
$248M
| $115M | 0.06% |
2,618,312
+255,839
| +11% | +$11.3M |
|
364
Hubbell
HUBB
$27.2B
| $114M | 0.06% |
233,179
+51,897
| +29% | +$25.5M |
|
365
Nu Holdings
NU
$66.9B
| $114M | 0.06% |
7,949,960
+780,035
| +11% | +$12.6M |
|
366
LivaNova
LIVN
$4.2B
| $114M | 0.06% |
1,794,935
+472,564
| +36% | +$30.5M |
|
367
DXC Technology
DXC
$1.73B
| $114M | 0.06% |
9,074,619
+1,029,402
| +13% | +$13.8M |
|
368
Photronics
PLAB
$1.93B
| $114M | 0.06% |
2,819,927
+358,800
| +15% | +$13M |
|
369
Phinia Inc
PHIN
$2.74B
| $114M | 0.06% |
1,663,420
+53,415
| +3% | +$3.73M |
|
370
Bankunited
BKU
$3.36B
| $114M | 0.06% |
2,516,747
+203,309
| +9% | +$9.49M |
|
371
iShares Russell 1000 Growth ETF
IWF
$128B
| $114M | 0.06% |
1,064,900
+655,960
| +160% | +$74.5M |
|
372
Par Pacific Holdings
PARR
$3.32B
| $113M | 0.06% |
1,804,963
+135,629
| +8% | +$6.07M |
|
373
Motorola Solutions
MSI
$77.4B
| $113M | 0.06% |
260,476
+10,188
| +4% | +$4.41M |
|
374
American Eagle Outfitters
AEO
$3.01B
| $113M | 0.06% |
6,768,388
-139,498
| -2% | -$3.13M |
|
375
Tradeweb Markets
TW
$21.6B
| $113M | 0.06% |
959,194
-451,333
| -32% | -$51.7M |
|
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.