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 |
Humana
HUM
|
+$276M |
| 2 |
NVIDIA
NVDA
|
+$243M |
| 3 |
Meta Platforms (Facebook)
META
|
+$206M |
| 4 |
iShares Russell Mid-Cap Value ETF
IWS
|
+$165M |
| 5 |
Colgate-Palmolive
CL
|
+$162M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$615M |
| 2 |
Microsoft
MSFT
|
+$544M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$322M |
| 4 |
L3Harris
LHX
|
+$254M |
| 5 |
Idexx Laboratories
IDXX
|
+$227M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.01% |
| 2 | Healthcare | 14.17% |
| 3 | Financials | 13.99% |
| 4 | Consumer Discretionary | 11.07% |
| 5 | Industrials | 9.74% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2026
OP Bancorp
OPBK
$235M
| $651K | ﹤0.01% |
72,130
+672
| +0.9% | +$7.25K |
|
2027
Allegro MicroSystems
ALGM
$8.23B
| $650K | ﹤0.01% |
13,726
+3,544
| +35% | +$144K |
|
2028
Greif
GEF
$5.03B
| $650K | ﹤0.01% |
10,445
+731
| +8% | +$49K |
|
2029
Alamo Group
ALG
$1.99B
| $649K | ﹤0.01% |
3,587
+590
| +20% | +$97.1K |
|
2030
Charles River Laboratories
CRL
$13.4B
| $648K | ﹤0.01% |
3,311
+426
| +15% | +$96.5K |
|
2031
ACI Worldwide
ACIW
$5.42B
| $647K | ﹤0.01% |
24,580
+2,949
| +14% | +$78.1K |
|
2032
Kemper
KMPR
$1.59B
| $646K | ﹤0.01% |
11,814
+1,389
| +13% | +$80.5K |
|
|
NOAH
2033
Noah Holdings
NOAH
$591M
| $646K | ﹤0.01% |
36,976
-7,383
| -17% | -$137K |
|
|
SCU
2034
DELISTED
Sculptor Capital Management, Inc. Class A Common Stock
SCU
| $645K | ﹤0.01% |
74,915
-44,777
| -37% | -$402K |
|
2035
BayCom
BCML
$339M
| $641K | ﹤0.01% |
37,948
+5,161
| +16% | +$99K |
|
2036
Braskem
BAK
$825M
| $640K | ﹤0.01% |
82,907
+13,207
| +19% | +$107K |
|
2037
Varonis Systems
VRNS
$5.26B
| $638K | ﹤0.01% |
+24,548
| New | +$640K |
|
2038
Collegium Pharmaceutical
COLL
$913M
| $636K | ﹤0.01% |
+26,523
| New | +$703K |
|
2039
MGE Energy Inc
MGEE
$3.06B
| $626K | ﹤0.01% |
8,082
+1,283
| +19% | +$92.9K |
|
2040
Primoris Services
PRIM
$4.35B
| $626K | ﹤0.01% |
25,389
-2,018
| -7% | -$51K |
|
2041
ePlus
PLUS
$2.31B
| $626K | ﹤0.01% |
13,065
+1,485
| +13% | +$75.3K |
|
2042
Cannae Holdings
CNNE
$675M
| $626K | ﹤0.01% |
30,997
+4,824
| +18% | +$107K |
|
2043
Sabra Healthcare REIT
SBRA
$5.15B
| $621K | ﹤0.01% |
54,023
-1,942,054
| -97% | -$24M |
|
2044
ESCO Technologies
ESE
$7.79B
| $621K | ﹤0.01% |
6,651
+3,518
| +112% | +$327K |
|
2045
Sunrun
RUN
$2.37B
| $621K | ﹤0.01% |
34,881
+4,695
| +16% | +$110K |
|
|
CSW
2046
CSW Industrials
CSW
$5.59B
| $620K | ﹤0.01% |
4,547
+664
| +17% | +$89.6K |
|
2047
Kinetik
KNTK
$4.16B
| $618K | ﹤0.01% |
19,757
+18
| +0.1% | +$552 |
|
|
XOMA
2048
DELISTED
Xoma
XOMA
| $613K | ﹤0.01% |
28,037
+7,827
| +39% | +$165K |
|
2049
Simply Good Foods
SMPL
$989M
| $610K | ﹤0.01% |
15,759
+4,643
| +42% | +$172K |
|
2050
CRA International
CRAI
$1.07B
| $608K | ﹤0.01% |
5,643
-6,733
| -54% | -$792K |
|
Similar funds
American Century Companies's Q1 2023 Portfolio in Review
As of Q1 2023, American Century Companies held 2,730 positions worth $127B, up 3.7% from $122B the previous quarter. Its ten largest holdings account for 20% of the portfolio.
American Century Companies's Q1 2023 filing shows 153 new, 1,696 increased, 700 reduced and 63 closed positions. Its largest new stake was Atlassian: 260,346 shares worth $44.6M. The largest sale was Amazon, an estimated $615M.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 19% a quarter earlier, followed by Healthcare and Financials.
- American Century Companies's largest Q1 2023 buy was Atlassian: 260,346 shares worth $44.6M.
- American Century Companies added most to Humana in Q1 2023, an estimated $276M increase.
- American Century Companies's biggest Q1 2023 reduction was Amazon, cutting an estimated $615M.
- American Century Companies fully exited SVB Financial Group in Q1 2023, selling an estimated $73M.
- American Century Companies's ten largest holdings make up 20% of its $127B portfolio in Q1 2023.
- American Century Companies opened 153 new positions and closed 63 in Q1 2023.
- American Century Companies's portfolio value rose 3.7% quarter-over-quarter to $127B.
Based on American Century Companies's 13F filing for Q1 2023, filed 11 May 2023.