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 |
Interactive Brokers
IBKR
|
+$266M |
| 2 |
Martin Marietta Materials
MLM
|
+$178M |
| 3 |
Broadcom
AVGO
|
+$143M |
| 4 |
Reinsurance Group of America
RGA
|
+$127M |
| 5 |
FISV
Fiserv Inc
FISV
|
+$122M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$581M |
| 2 |
Apple
AAPL
|
+$544M |
| 3 |
Microsoft
MSFT
|
+$344M |
| 4 |
Eli Lilly
LLY
|
+$275M |
| 5 |
Meta Platforms (Facebook)
META
|
+$258M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 24.77% |
| 2 | Financials | 15.07% |
| 3 | Consumer Discretionary | 11.87% |
| 4 | Healthcare | 10.87% |
| 5 | Industrials | 9.69% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2076
Nexstar Media Group
NXST
$5.81B
| $1.57M | ﹤0.01% |
8,784
+1,764
| +25% | +$285K |
|
2077
Lincoln Educational Services
LINC
$955M
| $1.57M | ﹤0.01% |
99,054
+51,650
| +109% | +$840K |
|
2078
Mesa Laboratories
MLAB
$633M
| $1.57M | ﹤0.01% |
13,237
+3,793
| +40% | +$517K |
|
2079
Plains GP Holdings
PAGP
$5.04B
| $1.56M | ﹤0.01% |
72,924
-8,502
| -10% | -$179K |
|
2080
Zillow
Z
$8.08B
| $1.56M | ﹤0.01% |
22,702
-2,108
| -8% | -$161K |
|
|
AMPS
2081
DELISTED
Altus Power
AMPS
| $1.55M | ﹤0.01% |
313,023
+217,207
| +227% | +$987K |
|
2082
Teledyne Technologies
TDY
$31.2B
| $1.53M | ﹤0.01% |
3,082
-113
| -4% | -$55.9K |
|
2083
Zurn Elkay Water Solutions
ZWS
$8.41B
| $1.53M | ﹤0.01% |
46,393
+603
| +1% | +$21.7K |
|
2084
Clear Secure
YOU
$4.7B
| $1.52M | ﹤0.01% |
58,824
+17,636
| +43% | +$439K |
|
2085
IDEX
IEX
$17.6B
| $1.52M | ﹤0.01% |
8,421
-1,234
| -13% | -$246K |
|
2086
Box
BOX
$4.66B
| $1.52M | ﹤0.01% |
49,359
-1,344
| -3% | -$43.5K |
|
|
ELP
2087
DELISTED
Companhia Paranaense de Energia (COPEL)
ELP
| $1.52M | ﹤0.01% |
207,857
+314
| +0.2% | +$2.11K |
|
|
ANSS
2088
DELISTED
Ansys
ANSS
| $1.52M | ﹤0.01% |
4,787
-69
| -1% | -$23.1K |
|
2089
Wyndham Hotels & Resorts
WH
$5.51B
| $1.51M | ﹤0.01% |
16,646
+105
| +0.6% | +$10.6K |
|
2090
Beazer Homes USA
BZH
$874M
| $1.51M | ﹤0.01% |
73,880
+3,146
| +4% | +$75.5K |
|
2091
Gogo Inc
GOGO
$377M
| $1.51M | ﹤0.01% |
174,630
+26,873
| +18% | +$210K |
|
|
MCHB
2092
Mechanics Bancorp
MCHB
$3.79B
| $1.5M | ﹤0.01% |
127,933
-48,020
| -27% | -$476K |
|
2093
Acacia Research
ACTG
$449M
| $1.49M | ﹤0.01% |
464,416
+24,884
| +6% | +$102K |
|
|
THS
2094
DELISTED
Treehouse Foods
THS
| $1.48M | ﹤0.01% |
54,774
-5,989
| -10% | -$190K |
|
2095
Independence Realty Trust
IRT
$4.01B
| $1.48M | ﹤0.01% |
69,889
+3,409
| +5% | +$68.6K |
|
2096
Castle Biosciences
CSTL
$933M
| $1.48M | ﹤0.01% |
74,067
+4,892
| +7% | +$121K |
|
2097
Glacier Bancorp
GBCI
$6.48B
| $1.48M | ﹤0.01% |
33,522
-1,882
| -5% | -$90.7K |
|
2098
Xencor
XNCR
$1.71B
| $1.48M | ﹤0.01% |
139,242
+25,011
| +22% | +$413K |
|
|
MCW
2099
DELISTED
Mister Car Wash
MCW
| $1.48M | ﹤0.01% |
186,978
+24,231
| +15% | +$188K |
|
|
LGF.B
2100
DELISTED
Lions Gate Entertainment Corp. Class B Non-Voting Shares
LGF.B
| $1.46M | ﹤0.01% |
184,851
+82,806
| +81% | +$663K |
|
Similar funds
American Century Companies's Q1 2025 Portfolio in Review
As of Q1 2025, American Century Companies held 2,990 positions worth $163B, down 6.4% from $174B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
American Century Companies's Q1 2025 filing shows 115 new, 1,752 increased, 899 reduced and 109 closed positions. Its largest new stake was iShares Russell Mid-Cap Value ETF: 619,916 shares worth $78.1M. The largest sale was NVIDIA, an estimated $581M.
By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 27% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q1 2025 buy was iShares Russell Mid-Cap Value ETF: 619,916 shares worth $78.1M.
- American Century Companies added most to Interactive Brokers in Q1 2025, an estimated $266M increase.
- American Century Companies's biggest Q1 2025 reduction was NVIDIA, cutting an estimated $581M.
- American Century Companies fully exited Arch Resources, Inc. in Q1 2025, selling an estimated $83.2M.
- American Century Companies's ten largest holdings make up 25% of its $163B portfolio in Q1 2025.
- American Century Companies opened 115 new positions and closed 109 in Q1 2025.
- American Century Companies's portfolio value fell 6.4% quarter-over-quarter to $163B.
Based on American Century Companies's 13F filing for Q1 2025, filed 13 May 2025.