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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 12.32%
5 Industrials 10.15%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ACGL icon
851
Arch Capital
ACGL
$33.2B
$21M 0.01%
283,122
+151,657
+115% +$12.4M
WSFS icon
852
WSFS Financial
WSFS
$4.15B
$21M 0.01%
457,196
+105,103
+30% +$4.12M
AMPH icon
853
Amphastar Pharmaceuticals
AMPH
$858M
$20.9M 0.01%
337,690
+137,413
+69% +$7.22M
PCG icon
854
PG&E
PCG
$38.5B
$20.8M 0.01%
1,153,388
+89,585
+8% +$1.51M
CTRA
855
DELISTED
Coterra Energy
CTRA
$20.7M 0.01%
811,142
+57,423
+8% +$1.54M
BANR icon
856
Banner Corp
BANR
$2.5B
$20.6M 0.01%
385,157
+70,118
+22% +$3.23M
INSM icon
857
Insmed
INSM
$28.9B
$20.5M 0.01%
662,200
+47,674
+8% +$1.24M
BILL icon
858
BILL Holdings
BILL
$5.11B
$20.5M 0.01%
251,166
-190,921
-43% -$15.7M
MRCY icon
859
Mercury Systems
MRCY
$6.7B
$20.5M 0.01%
559,978
+67,199
+14% +$2.43M
SFL icon
860
SFL Corp
SFL
$1.57B
$20.5M 0.01%
1,815,063
+258,964
+17% +$2.88M
EXPD icon
861
Expeditors International
EXPD
$24B
$20.4M 0.01%
160,756
-68,439
-30% -$8.07M
MIR icon
862
Mirion Technologies
MIR
$3.88B
$20.4M 0.01%
1,994,134
+136,230
+7% +$1.15M
TOWN icon
863
Towne Bank
TOWN
$3.5B
$20.4M 0.01%
685,947
+154,455
+29% +$4.01M
AVDX
864
DELISTED
AvidXchange
AVDX
$20.4M 0.01%
1,646,096
+392,462
+31% +$3.92M
BTG icon
865
B2Gold
BTG
$6.7B
$20.4M 0.01%
6,439,425
+1,163,287
+22% +$3.67M
LHX icon
866
L3Harris
LHX
$54.1B
$20.3M 0.01%
96,576
-9,590
-9% -$1.8M
ACT icon
867
Enact Holdings
ACT
$6.79B
$20.3M 0.01%
702,244
+68,915
+11% +$1.92M
UE icon
868
Urban Edge Properties
UE
$2.78B
$20.2M 0.01%
1,104,419
-494,639
-31% -$8.15M
TFIN icon
869
Triumph Financial Inc
TFIN
$1.87B
$20.2M 0.01%
+252,054
New +$17.1M
EGO icon
870
Eldorado Gold
EGO
$10B
$20.2M 0.01%
1,554,778
+285,084
+22% +$3.21M
CIEN icon
871
Ciena
CIEN
$62.7B
$20.2M 0.01%
447,821
+32,260
+8% +$1.42M
OLN icon
872
Olin
OLN
$2.13B
$20.1M 0.01%
373,056
+1,284
+0.3% +$61.5K
SCS
873
DELISTED
Steelcase
SCS
$20.1M 0.01%
1,486,659
+1,251,755
+533% +$14.9M
SXC icon
874
SunCoke Energy
SXC
$788M
$20.1M 0.01%
1,870,979
+338,961
+22% +$3.23M
NVR icon
875
NVR
NVR
$16.8B
$20.1M 0.01%
2,866
+249
+10% +$1.54M

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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.