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 | |
|---|---|---|---|---|---|---|
251
Cal-Maine
CALM
$3.99B
| $159M | 0.08% |
2,008,960
+211,601
| +12% | +$17.4M |
|
252
B2Gold
BTG
$6.64B
| $159M | 0.08% |
34,977,576
+641,187
| +2% | +$3.22M |
|
253
Freeport-McMoran
FCX
$97.5B
| $158M | 0.08% |
2,692,925
+369,963
| +16% | +$22.4M |
|
254
Terex
TEX
$7.74B
| $158M | 0.08% |
2,674,449
+871,769
| +48% | +$54M |
|
255
ICICI Bank
IBN
$108B
| $156M | 0.08% |
6,015,665
+671,125
| +13% | +$19.7M |
|
256
O'Reilly Automotive
ORLY
$76.3B
| $156M | 0.08% |
1,686,282
+275,137
| +19% | +$25.8M |
|
257
ATI
ATI
$31B
| $156M | 0.08% |
1,069,282
-520,735
| -33% | -$72.5M |
|
258
MGIC Investment
MTG
$6.25B
| $155M | 0.08% |
5,920,861
+1,376,114
| +30% | +$36.8M |
|
259
Xylem
XYL
$28.1B
| $155M | 0.08% |
1,300,336
-320,571
| -20% | -$42M |
|
260
Telephone and Data Systems
TDS
$3.75B
| $155M | 0.08% |
3,688,614
+123,853
| +3% | +$5.45M |
|
261
Brighthouse Financial
BHF
$3.5B
| $155M | 0.08% |
2,592,405
+251,061
| +11% | +$15.7M |
|
262
Bank OZK
OZK
$5.61B
| $154M | 0.08% |
3,360,951
+309,835
| +10% | +$14.6M |
|
263
Primoris Services
PRIM
$4.45B
| $154M | 0.08% |
1,078,124
+19,012
| +2% | +$2.78M |
|
|
B
264
Barrick Mining
B
$73.2B
| $154M | 0.08% |
3,762,963
+503,650
| +15% | +$23.3M |
|
265
PPG Industries
PPG
$26.6B
| $153M | 0.08% |
1,432,320
-213,655
| -13% | -$24.2M |
|
266
Eversource Energy
ES
$27.2B
| $152M | 0.08% |
2,198,616
-151,929
| -6% | -$10.7M |
|
267
UMB Financial
UMBF
$11.1B
| $152M | 0.08% |
1,345,844
-165,404
| -11% | -$19.9M |
|
268
Radian Group
RDN
$4.93B
| $152M | 0.08% |
4,584,513
+386,922
| +9% | +$13M |
|
269
Insmed
INSM
$28.6B
| $151M | 0.08% |
925,799
+740,709
| +400% | +$114M |
|
270
Peabody Energy
BTU
$2.9B
| $151M | 0.08% |
4,580,114
+47,152
| +1% | +$1.65M |
|
271
Transocean
RIG
$5.82B
| $151M | 0.08% |
22,759,181
-4,729,506
| -17% | -$26.6M |
|
272
United Natural Foods
UNFI
$2.85B
| $150M | 0.08% |
3,335,013
+331,225
| +11% | +$12.7M |
|
273
Old National Bancorp
ONB
$10.2B
| $150M | 0.08% |
6,766,968
-810,893
| -11% | -$18.9M |
|
274
Universal Health Services
UHS
$10.5B
| $149M | 0.08% |
833,714
+190,342
| +30% | +$39.1M |
|
275
Abercrombie & Fitch
ANF
$5B
| $148M | 0.08% |
1,622,227
+260,240
| +19% | +$25.3M |
|
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.