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 |
Amphenol
APH
|
+$460M |
| 2 |
Broadcom
AVGO
|
+$298M |
| 3 |
Sysco
SYY
|
+$225M |
| 4 |
MRSH
Marsh
MRSH
|
+$200M |
| 5 |
Ascendis Pharma A/S
ASND
|
+$186M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$573M |
| 2 |
Visa
V
|
+$465M |
| 3 |
Apple
AAPL
|
+$461M |
| 4 |
Alphabet (Google) Class A
GOOGL
|
+$363M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$358M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 26.8% |
| 2 | Financials | 13.6% |
| 3 | Consumer Discretionary | 12.52% |
| 4 | Industrials | 10.05% |
| 5 | Healthcare | 9.86% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1451
Puma Biotechnology
PBYI
$449M
| $9.82M | ﹤0.01% |
1,650,137
+166,949
| +11% | +$887K |
|
1452
Nature's Sunshine
NATR
$266M
| $9.82M | ﹤0.01% |
454,967
+58,757
| +15% | +$1.08M |
|
1453
COPT Defense Properties
CDP
$4.21B
| $9.79M | ﹤0.01% |
352,184
+242,062
| +220% | +$6.98M |
|
1454
Central Garden & Pet Co
CENT
$2.73B
| $9.78M | ﹤0.01% |
304,348
+17,482
| +6% | +$558K |
|
1455
FormFactor
FORM
$10.1B
| $9.77M | ﹤0.01% |
175,136
+13,748
| +9% | +$693K |
|
1456
MasterCraft Boat Holdings
MCFT
$593M
| $9.68M | ﹤0.01% |
512,149
-59,153
| -10% | -$1.17M |
|
1457
Newmark Group
NMRK
$2.75B
| $9.68M | ﹤0.01% |
558,281
+516,207
| +1,227% | +$9.04M |
|
1458
Designer Brands
DBI
$300M
| $9.66M | ﹤0.01% |
1,300,460
+111,136
| +9% | +$534K |
|
1459
UGI
UGI
$7.59B
| $9.66M | ﹤0.01% |
258,011
+176,258
| +216% | +$6.24M |
|
1460
Nokia
NOK
$59.5B
| $9.61M | ﹤0.01% |
1,485,942
+70,632
| +5% | +$438K |
|
1461
Jefferies Financial Group
JEF
$12.7B
| $9.61M | ﹤0.01% |
155,050
-54,479
| -26% | -$3.12M |
|
1462
Collegium Pharmaceutical
COLL
$919M
| $9.59M | ﹤0.01% |
207,083
+89,104
| +76% | +$3.73M |
|
1463
Peapack-Gladstone Financial
PGC
$820M
| $9.58M | ﹤0.01% |
343,828
+14,269
| +4% | +$389K |
|
1464
Insteel Industries
IIIN
$634M
| $9.56M | ﹤0.01% |
301,791
-48,296
| -14% | -$1.58M |
|
|
PDS
1465
Precision Drilling
PDS
$1.08B
| $9.54M | ﹤0.01% |
133,017
+2,457
| +2% | +$151K |
|
1466
NiSource
NI
$20.4B
| $9.52M | ﹤0.01% |
227,947
+93,927
| +70% | +$4.01M |
|
|
HDSN
1467
Hudson Technologies
HDSN
$237M
| $9.5M | ﹤0.01% |
1,386,683
+112,793
| +9% | +$889K |
|
1468
Rush Enterprises Class B
RUSHB
$9.28B
| $9.5M | ﹤0.01% |
168,823
+48,496
| +40% | +$2.65M |
|
1469
Carlisle Companies
CSL
$14.7B
| $9.49M | ﹤0.01% |
29,673
-4,505
| -13% | -$1.46M |
|
1470
iShares National Muni Bond ETF
MUB
$45.8B
| $9.49M | ﹤0.01% |
88,600
| – | – |
|
1471
Ambev
ABEV
$42.7B
| $9.46M | ﹤0.01% |
3,831,836
+431,253
| +13% | +$1.03M |
|
1472
GoDaddy
GDDY
$12.2B
| $9.45M | ﹤0.01% |
76,131
-75,301
| -50% | -$9.74M |
|
1473
Sturm, Ruger & Co
RGR
$599M
| $9.43M | ﹤0.01% |
288,830
+58,979
| +26% | +$2.19M |
|
1474
International Paper
IP
$21.5B
| $9.43M | ﹤0.01% |
239,405
+39,537
| +20% | +$1.63M |
|
1475
Helios Technologies
HLIO
$2.7B
| $9.43M | ﹤0.01% |
176,225
+32,033
| +22% | +$1.73M |
|
Similar funds
American Century Companies's Q4 2025 Portfolio in Review
As of Q4 2025, American Century Companies held 2,902 positions worth $199B, up 1.2% from $197B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
American Century Companies's Q4 2025 filing shows 123 new, 1,653 increased, 947 reduced and 91 closed positions. Its largest new stake was Amrize Ltd: 2,173,524 shares worth $118M. The largest sale was NVIDIA, an estimated $573M.
By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 28% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q4 2025 buy was Amrize Ltd: 2,173,524 shares worth $118M.
- American Century Companies added most to Amphenol in Q4 2025, an estimated $460M increase.
- American Century Companies's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $573M.
- American Century Companies fully exited Premier in Q4 2025, selling an estimated $91.5M.
- American Century Companies's ten largest holdings make up 27% of its $199B portfolio in Q4 2025.
- American Century Companies opened 123 new positions and closed 91 in Q4 2025.
- American Century Companies's portfolio value rose 1.2% quarter-over-quarter to $199B.
Based on American Century Companies's 13F filing for Q4 2025, filed 13 Feb 2026.