American Century Companies

American Century Companies Portfolio holdings

AUM $197B
1-Year Est. Return 27.8%
 

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.

This Quarter Est. Return
1 Year Est. Return
+27.8%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$159B
AUM Growth
+$13.7B
Cap. Flow
Cap. Flow %
Top 10 Hldgs %
Holding
3,004
New
Increased
Reduced
Closed

Top Buys

1 +$769M
2 +$204M
3 +$176M
4
MRK icon
Merck
MRK
+$148M
5
ALNY icon
Alnylam Pharmaceuticals
ALNY
+$143M

Top Sells

1 +$278M
2 +$272M
3 +$228M
4
ALL icon
Allstate
ALL
+$188M
5
WING icon
Wingstop
WING
+$165M

Sector Composition

1 Technology 25.13%
2 Financials 13.26%
3 Healthcare 12.32%
4 Consumer Discretionary 12.01%
5 Industrials 10.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
2001
$1.46M ﹤0.01%
15,831
+8,029
2002
$1.46M ﹤0.01%
34,776
-2,106
2003
$1.44M ﹤0.01%
221,218
+52,063
2004
$1.44M ﹤0.01%
30,473
+8,677
2005
$1.44M ﹤0.01%
10,628
+816
2006
$1.44M ﹤0.01%
104,845
+23,646
2007
$1.43M ﹤0.01%
11,313
+522
2008
$1.43M ﹤0.01%
58,629
+42,328
2009
$1.43M ﹤0.01%
128,391
+12,342
2010
$1.42M ﹤0.01%
78,177
+42,872
2011
$1.41M ﹤0.01%
29,623
-6,732
2012
$1.41M ﹤0.01%
35,695
+7,789
2013
$1.41M ﹤0.01%
34,897
+4,622
2014
$1.39M ﹤0.01%
14,717
+101
2015
$1.39M ﹤0.01%
162,439
+131,496
2016
$1.38M ﹤0.01%
36,100
2017
$1.38M ﹤0.01%
60,561
+18,157
2018
$1.38M ﹤0.01%
56,368
+14,597
2019
$1.38M ﹤0.01%
44,256
+9,488
2020
$1.37M ﹤0.01%
226,057
+51,628
2021
$1.37M ﹤0.01%
49,605
+290
2022
$1.36M ﹤0.01%
46,600
+12,359
2023
$1.36M ﹤0.01%
194,847
+68,664
2024
$1.36M ﹤0.01%
17,493
+369
2025
$1.35M ﹤0.01%
73,460
+28,475