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American Century Companies

American Century Companies Portfolio holdings

AUM $226B
1-Year Est. Return 44.75%
 

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 Fund
S&P 500
This Quarter Est. Return
+13.73%
1 Year Est. Return
+44.75%
3 Year Est. Return
+129.82%
5 Year Est. Return
+162.92%
10 Year Est. Return
+913.62%
AUM
$145B
AUM Growth
+$15.8B
Cap. Flow
-$158M
Cap. Flow %
-0.11%
Top 10 Hldgs %
22.71%
Holding
2,961
New
141
Increased
1,802
Reduced
780
Closed
86

Sector Composition

Rank Sector Weight
1 Technology 24.39%
2 Financials 13.48%
3 Healthcare 12.47%
4 Consumer Discretionary 12.31%
5 Industrials 10.13%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
MZTI
2026
The Marzetti Company
MZTI
$3.22B
$1.07M ﹤0.01%
6,432
-716
-10% -$120K
ACDC icon
2027
ProFrac Holding
ACDC
$958M
$1.07M ﹤0.01%
126,200
+101,609
+413% +$890K
ATEN icon
2028
A10 Networks
ATEN
$1.96B
$1.07M ﹤0.01%
81,199
+19,984
+33% +$242K
APP icon
2029
Applovin
APP
$105B
$1.07M ﹤0.01%
26,796
-24,316
-48% -$953K
BSET icon
2030
Bassett Furniture
BSET
$170M
$1.06M ﹤0.01%
64,080
-44
-0.1% -$700
QTRX icon
2031
Quanterix
QTRX
$135M
$1.06M ﹤0.01%
38,753
+7,560
+24% +$178K
AMRX icon
2032
Amneal Pharmaceuticals
AMRX
$6.02B
$1.06M ﹤0.01%
174,429
+88,990
+104% +$396K
CPB icon
2033
Campbell Soup
CPB
$6.94B
$1.06M ﹤0.01%
24,468
-3,825
-14% -$157K
AVIG icon
2034
Avantis Core Fixed Income ETF
AVIG
$1.96B
$1.06M ﹤0.01%
25,286
+9,130
+57% +$366K
SCHC icon
2035
Schwab International Small-Cap Equity ETF
SCHC
$5.69B
$1.05M ﹤0.01%
30,131
+9,242
+44% +$300K
HSII
2036
DELISTED
Heidrick & Struggles
HSII
$1.05M ﹤0.01%
35,582
-172,110
-83% -$4.57M
SRI icon
2037
Stoneridge
SRI
$201M
$1.05M ﹤0.01%
53,530
+32,925
+160% +$571K
MSA icon
2038
Mine Safety
MSA
$7.32B
$1.05M ﹤0.01%
6,199
+1,792
+41% +$291K
BGC icon
2039
BGC Group
BGC
$5.2B
$1.04M ﹤0.01%
144,246
-154,910
-52% -$959K
VNET
2040
VNET Group
VNET
$2.12B
$1.04M ﹤0.01%
362,604
+49,772
+16% +$150K
TCN
2041
DELISTED
Tricon Residential Inc.
TCN
$1.04M ﹤0.01%
114,232
+6,064
+6% +$46.5K
DOLE icon
2042
Dole
DOLE
$1.26B
$1.04M ﹤0.01%
84,497
+26,142
+45% +$302K
SEE
2043
DELISTED
Sealed Air
SEE
$1.04M ﹤0.01%
28,349
+716
+3% +$23.5K
VMI icon
2044
Valmont Industries
VMI
$9.5B
$1.03M ﹤0.01%
4,411
-1,801
-29% -$396K
ACCO icon
2045
Acco Brands
ACCO
$399M
$1.02M ﹤0.01%
168,585
+39,963
+31% +$212K
CLVT icon
2046
Clarivate
CLVT
$1.25B
$1.02M ﹤0.01%
110,370
+3,658
+3% +$27K
FC icon
2047
Franklin Covey
FC
$227M
$1.02M ﹤0.01%
23,475
+3,121
+15% +$124K
UTL icon
2048
Unitil
UTL
$992M
$1.02M ﹤0.01%
19,342
+5,023
+35% +$243K
FLGT icon
2049
Fulgent Genetics
FLGT
$513M
$1.02M ﹤0.01%
35,137
-221,073
-86% -$5.92M
AGYS icon
2050
Agilysys
AGYS
$3.25B
$1.01M ﹤0.01%
11,957
+851
+8% +$69.1K

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American Century Companies's Q4 2023 Portfolio in Review

As of Q4 2023, American Century Companies held 2,961 positions worth $145B, up 12% from $130B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

American Century Companies's Q4 2023 filing shows 141 new, 1,802 increased, 780 reduced and 86 closed positions. Its largest new stake was Nextpower Inc: 1,286,526 shares worth $60.3M. The largest sale was Humana, an estimated $314M.

By sector, the portfolio is most concentrated in Technology at 24% of assets, up from 23% a quarter earlier, followed by Financials and Healthcare.

  • American Century Companies's largest Q4 2023 buy was Nextpower Inc: 1,286,526 shares worth $60.3M.
  • American Century Companies added most to Salesforce in Q4 2023, an estimated $263M increase.
  • American Century Companies's biggest Q4 2023 reduction was Humana, cutting an estimated $314M.
  • American Century Companies fully exited Earthstone Energy Inc. Class A Common Stock in Q4 2023, selling an estimated $58.9M.
  • American Century Companies's ten largest holdings make up 23% of its $145B portfolio in Q4 2023.
  • American Century Companies opened 141 new positions and closed 86 in Q4 2023.
  • American Century Companies's portfolio value rose 12% quarter-over-quarter to $145B.

Based on American Century Companies's 13F filing for Q4 2023, filed 13 Feb 2024.