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 | |
|---|---|---|---|---|---|---|
|
DVAX
1776
DELISTED
Dynavax Technologies
DVAX
| $4.37M | ﹤0.01% |
284,236
-50,231
| -15% | -$553K |
|
1777
Zurn Elkay Water Solutions
ZWS
$8.39B
| $4.37M | ﹤0.01% |
93,897
+7,256
| +8% | +$341K |
|
|
CNH
1778
CNH Industrial
CNH
$16.8B
| $4.36M | ﹤0.01% |
473,169
+412,043
| +674% | +$4.12M |
|
1779
NexGen Energy
NXE
$7.01B
| $4.36M | ﹤0.01% |
473,812
+51,632
| +12% | +$456K |
|
1780
John B. Sanfilippo & Son
JBSS
$1.01B
| $4.35M | ﹤0.01% |
61,684
-6,185
| -9% | -$420K |
|
1781
Organon & Co
OGN
$3.6B
| $4.35M | ﹤0.01% |
606,352
+13,414
| +2% | +$106K |
|
1782
Strategic Education
STRA
$1.84B
| $4.34M | ﹤0.01% |
54,126
-378
| -0.7% | -$30.2K |
|
1783
H.B. Fuller
FUL
$3.32B
| $4.33M | ﹤0.01% |
72,853
+42,320
| +139% | +$2.49M |
|
1784
Aviat Networks
AVNW
$285M
| $4.32M | ﹤0.01% |
201,901
-1,989
| -1% | -$44.4K |
|
1785
Napco Security Technologies
NSSC
$1.36B
| $4.3M | ﹤0.01% |
103,130
+3,953
| +4% | +$166K |
|
1786
LegalZoom.com
LZ
$973M
| $4.3M | ﹤0.01% |
432,537
-85,079
| -16% | -$844K |
|
1787
Clean Harbors
CLH
$17B
| $4.29M | ﹤0.01% |
18,283
-204,774
| -92% | -$46.8M |
|
1788
Keurig Dr Pepper
KDP
$42.6B
| $4.28M | ﹤0.01% |
152,641
+3,088
| +2% | +$84.8K |
|
1789
Alliant Energy
LNT
$18.3B
| $4.27M | ﹤0.01% |
65,622
+8,365
| +15% | +$561K |
|
1790
Royalty Pharma
RPRX
$26.1B
| $4.26M | ﹤0.01% |
110,320
+9,914
| +10% | +$378K |
|
|
MZTI
1791
The Marzetti Company
MZTI
$3.17B
| $4.26M | ﹤0.01% |
25,912
+17,642
| +213% | +$2.94M |
|
1792
International Flavors & Fragrances
IFF
$21.4B
| $4.25M | ﹤0.01% |
63,008
+1,494
| +2% | +$96.7K |
|
1793
Manitowoc
MTW
$749M
| $4.23M | ﹤0.01% |
352,995
-48,114
| -12% | -$547K |
|
1794
Open Text
OTEX
$5.92B
| $4.22M | ﹤0.01% |
129,714
+9,272
| +8% | +$330K |
|
|
CMDB
1795
Costamare Bulkers Holdings
CMDB
$443M
| $4.22M | ﹤0.01% |
273,657
+25,321
| +10% | +$367K |
|
1796
DuPont de Nemours
DD
$19.6B
| $4.2M | ﹤0.01% |
34,804
-40,573
| -54% | -$4.56M |
|
|
WCN
1797
Waste Connections
WCN
$41.8B
| $4.19M | ﹤0.01% |
23,909
+6,505
| +37% | +$1.12M |
|
1798
Green Brick Partners
GRBK
$3.03B
| $4.18M | ﹤0.01% |
66,633
+6,473
| +11% | +$427K |
|
|
MOFG
1799
DELISTED
MidWestOne Financial Group
MOFG
| $4.17M | ﹤0.01% |
108,269
+69,436
| +179% | +$2.53M |
|
1800
Kontoor Brands
KTB
$4.7B
| $4.16M | ﹤0.01% |
68,162
+19,258
| +39% | +$1.43M |
|
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.