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 |
Oracle
ORCL
|
+$1.03B |
| 2 |
Snowflake
SNOW
|
+$316M |
| 3 |
TC Energy
TRP
|
+$273M |
| 4 |
PACCAR
PCAR
|
+$176M |
| 5 |
TSMC
TSM
|
+$160M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Chipotle Mexican Grill
CMG
|
+$463M |
| 2 |
Johnson & Johnson
JNJ
|
+$387M |
| 3 |
ExxonMobil
XOM
|
+$345M |
| 4 |
Oshkosh
OSK
|
+$251M |
| 5 |
Norfolk Southern
NSC
|
+$236M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 27.75% |
| 2 | Financials | 13.56% |
| 3 | Consumer Discretionary | 12.64% |
| 4 | Industrials | 9.76% |
| 5 | Communication Services | 9.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2751
Spero Therapeutics
SPRO
$73M
| $75.6K | ﹤0.01% |
+40,219
| New | +$88.4K |
|
2752
Citizens
CIA
$202M
| $72.1K | ﹤0.01% |
+13,730
| New | +$64.1K |
|
2753
Sensus Healthcare
SRTS
$51.5M
| $66.8K | ﹤0.01% |
21,272
| – | – |
|
2754
Butterfly Network
BFLY
$2.47B
| $66.8K | ﹤0.01% |
34,596
+16,807
| +94% | +$28.6K |
|
|
NAK
2755
Northern Dynasty Minerals
NAK
$936M
| $65.2K | ﹤0.01% |
53,722
+3,722
| +7% | +$4K |
|
|
TE
2756
T1 Energy
TE
$1.46B
| $63.2K | ﹤0.01% |
+28,980
| New | +$46.2K |
|
2757
Iovance Biotherapeutics
IOVA
$2.98B
| $61.8K | ﹤0.01% |
28,464
+11,528
| +68% | +$27.2K |
|
2758
Alector
ALEC
$226M
| $60.6K | ﹤0.01% |
+20,481
| New | +$45.1K |
|
2759
Aclaris Therapeutics
ACRS
$871M
| $60.4K | ﹤0.01% |
+31,788
| New | +$55.4K |
|
2760
Rapid Micro Biosystems
RPID
$85.3M
| $56.5K | ﹤0.01% |
16,922
| – | – |
|
2761
Eledon Pharmaceuticals
ELDN
$293M
| $55.9K | ﹤0.01% |
21,572
-14,020
| -39% | -$41K |
|
2762
Offerpad Solutions
OPAD
$22.1M
| $54.8K | ﹤0.01% |
+1,315
| New | +$36.1K |
|
|
GOCO
2763
DELISTED
GoHealth
GOCO
| $54.5K | ﹤0.01% |
11,308
| – | – |
|
|
AIOT
2764
PowerFleet Inc
AIOT
$420M
| $54.4K | ﹤0.01% |
+10,390
| New | +$48K |
|
2765
C4 Therapeutics
CCCC
$482M
| $53.8K | ﹤0.01% |
+24,248
| New | +$58.2K |
|
2766
Oramed Pharmaceuticals
ORMP
$184M
| $51.7K | ﹤0.01% |
19,591
| – | – |
|
2767
XBiotech
XBIT
$73.2M
| $50.2K | ﹤0.01% |
18,881
-6,995
| -27% | -$20.7K |
|
|
ALMS
2768
Alumis Inc
ALMS
$3.23B
| $45.1K | ﹤0.01% |
11,314
-23,933
| -68% | -$98.6K |
|
|
QIPT
2769
DELISTED
Quipt Home Medical
QIPT
| $42.7K | ﹤0.01% |
16,363
-77
| -0.5% | -$178 |
|
2770
Prairie Operating Co
PROP
$83.1M
| $36.8K | ﹤0.01% |
18,552
+3,051
| +20% | +$8.68K |
|
2771
1stdibs.com
DIBS
$161M
| $34.3K | ﹤0.01% |
13,242
| – | – |
|
2772
Hyliion Holdings
HYLN
$773M
| $33K | ﹤0.01% |
+16,764
| New | +$27.9K |
|
2773
Cabaletta Bio
CABA
$452M
| $28.2K | ﹤0.01% |
+12,032
| New | +$20.6K |
|
2774
Arcosa
ACA
$7.13B
| – | – |
-12,690
| Closed | -$1.1M |
|
|
ADVM
2775
DELISTED
Adverum Biotechnologies
ADVM
| – | – |
-10,670
| Closed | -$22.9K |
|
Similar funds
American Century Companies's Q3 2025 Portfolio in Review
As of Q3 2025, American Century Companies held 2,904 positions worth $197B, up 6.8% from $184B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
American Century Companies's Q3 2025 filing shows 128 new, 1,672 increased, 895 reduced and 125 closed positions. Its largest new stake was McCormick & Company Non-Voting: 725,987 shares worth $48.6M. The largest sale was Chipotle Mexican Grill, an estimated $463M.
By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 26% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q3 2025 buy was McCormick & Company Non-Voting: 725,987 shares worth $48.6M.
- American Century Companies added most to Oracle in Q3 2025, an estimated $1.03B increase.
- American Century Companies's biggest Q3 2025 reduction was Chipotle Mexican Grill, cutting an estimated $463M.
- American Century Companies fully exited GMS Inc in Q3 2025, selling an estimated $146M.
- American Century Companies's ten largest holdings make up 27% of its $197B portfolio in Q3 2025.
- American Century Companies opened 128 new positions and closed 125 in Q3 2025.
- American Century Companies's portfolio value rose 6.8% quarter-over-quarter to $197B.
Based on American Century Companies's 13F filing for Q3 2025, filed 12 Nov 2025.