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 |
Oracle
ORCL
|
+$1.03B |
| 2 |
Snowflake
SNOW
|
+$316M |
| 3 |
TC Energy
TRP
|
+$273M |
| 4 |
PACCAR
PCAR
|
+$176M |
| 5 |
TSMC
TSM
|
+$160M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Chipotle Mexican Grill
CMG
|
+$463M |
| 2 |
Johnson & Johnson
JNJ
|
+$387M |
| 3 |
ExxonMobil
XOM
|
+$345M |
| 4 |
Oshkosh
OSK
|
+$251M |
| 5 |
Norfolk Southern
NSC
|
+$236M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 27.75% |
| 2 | Financials | 13.56% |
| 3 | Consumer Discretionary | 12.64% |
| 4 | Industrials | 9.76% |
| 5 | Communication Services | 9.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
451
MongoDB
MDB
$38B
| $89.9M | 0.05% |
289,620
-104,675
| -27% | -$26.9M |
|
452
Ionis Pharmaceuticals
IONS
$9.28B
| $89.8M | 0.05% |
1,372,225
+899,476
| +190% | +$43.9M |
|
453
ASML
ASML
$710B
| $89.6M | 0.05% |
92,559
+14,376
| +18% | +$11.3M |
|
454
Ametek
AME
$58.7B
| $89.5M | 0.05% |
476,262
-2,951
| -0.6% | -$543K |
|
455
Noble Corp
NE
$7.07B
| $88.9M | 0.05% |
3,144,369
+1,016,586
| +48% | +$28.8M |
|
456
TriNet
TNET
$3.22B
| $88.8M | 0.05% |
1,327,636
+167,599
| +14% | +$11.4M |
|
457
Westamerica Bancorp
WABC
$1.39B
| $88.7M | 0.05% |
1,774,913
-244,416
| -12% | -$12.1M |
|
458
Kennametal
KMT
$2.32B
| $88.4M | 0.05% |
4,221,461
+1,289,624
| +44% | +$29M |
|
459
Ally Financial
ALLY
$13.6B
| $88.3M | 0.04% |
2,251,925
+531,269
| +31% | +$21.3M |
|
460
Comfort Systems
FIX
$60.8B
| $87.7M | 0.04% |
106,328
+7,293
| +7% | +$4.94M |
|
461
Opendoor
OPEN
$3.54B
| $87.7M | 0.04% |
+11,374,372
| New | +$46.1M |
|
462
MGIC Investment
MTG
$6.33B
| $87.4M | 0.04% |
3,081,319
+41,766
| +1% | +$1.14M |
|
463
Casey's General Stores
CASY
$31.6B
| $87.4M | 0.04% |
154,600
+2,173
| +1% | +$1.14M |
|
464
Bread Financial
BFH
$4.51B
| $86.8M | 0.04% |
1,555,968
+65,223
| +4% | +$4.03M |
|
465
ACI Worldwide
ACIW
$5.42B
| $86.6M | 0.04% |
1,640,323
-21,807
| -1% | -$1.03M |
|
466
Piper Sandler
PIPR
$5.54B
| $86.1M | 0.04% |
992,136
+191,540
| +24% | +$15.6M |
|
467
American International
AIG
$39.8B
| $85.9M | 0.04% |
1,093,259
-2,743
| -0.3% | -$219K |
|
468
Boyd Gaming
BYD
$6.05B
| $85.9M | 0.04% |
993,203
-219,821
| -18% | -$18.5M |
|
|
OPLN
469
Openlane
OPLN
$4.33B
| $85.7M | 0.04% |
2,977,197
+640,571
| +27% | +$17.5M |
|
470
Avantis International Small Cap Value ETF
AVDV
$19.9B
| $85.7M | 0.04% |
962,130
+21,689
| +2% | +$1.82M |
|
471
Hudbay
HBM
$11.8B
| $85.5M | 0.04% |
5,642,273
+1,373,204
| +32% | +$15.7M |
|
472
iShares Core S&P 500 ETF
IVV
$910B
| $85.4M | 0.04% |
127,650
+66,746
| +110% | +$43M |
|
473
Ciena
CIEN
$62.7B
| $85.3M | 0.04% |
585,747
+106,991
| +22% | +$10.9M |
|
474
Genworth Financial
GNW
$3.77B
| $85.2M | 0.04% |
9,567,534
+704,498
| +8% | +$5.81M |
|
475
Simon Property Group
SPG
$71.7B
| $85.1M | 0.04% |
453,257
-59,345
| -12% | -$10.2M |
|
Similar funds
American Century Companies's Q3 2025 Portfolio in Review
As of Q3 2025, American Century Companies held 2,904 positions worth $197B, up 6.8% from $184B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
American Century Companies's Q3 2025 filing shows 128 new, 1,672 increased, 895 reduced and 125 closed positions. Its largest new stake was McCormick & Company Non-Voting: 725,987 shares worth $48.6M. The largest sale was Chipotle Mexican Grill, an estimated $463M.
By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 26% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q3 2025 buy was McCormick & Company Non-Voting: 725,987 shares worth $48.6M.
- American Century Companies added most to Oracle in Q3 2025, an estimated $1.03B increase.
- American Century Companies's biggest Q3 2025 reduction was Chipotle Mexican Grill, cutting an estimated $463M.
- American Century Companies fully exited GMS Inc in Q3 2025, selling an estimated $146M.
- American Century Companies's ten largest holdings make up 27% of its $197B portfolio in Q3 2025.
- American Century Companies opened 128 new positions and closed 125 in Q3 2025.
- American Century Companies's portfolio value rose 6.8% quarter-over-quarter to $197B.
Based on American Century Companies's 13F filing for Q3 2025, filed 12 Nov 2025.