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 |
Ciena
CIEN
|
+$671M |
| 2 |
Advanced Micro Devices
AMD
|
+$638M |
| 3 |
Eli Lilly
LLY
|
+$520M |
| 4 |
Corning
GLW
|
+$389M |
| 5 |
Cadence Design Systems
CDNS
|
+$371M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$1.74B |
| 2 |
Analog Devices
ADI
|
+$697M |
| 3 |
Broadcom
AVGO
|
+$679M |
| 4 |
Microsoft
MSFT
|
+$663M |
| 5 |
Costco
COST
|
+$357M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 27.76% |
| 2 | Financials | 14.09% |
| 3 | Industrials | 11.46% |
| 4 | Consumer Discretionary | 11.11% |
| 5 | Healthcare | 8.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2826
The Joint Corp
JYNT
$116M
| $102K | ﹤0.01% |
11,620
+139
| +1% | +$1.23K |
|
|
USAS
2827
Americas Gold and Silver
USAS
$1.63B
| $100K | ﹤0.01% |
21,163
-277,899
| -93% | -$1.6M |
|
2828
Inhibikase Therapeutics
IKT
$287M
| $99.5K | ﹤0.01% |
+48,998
| New | +$87.7K |
|
2829
Forrester Research
FORR
$217M
| $98.5K | ﹤0.01% |
11,718
| – | – |
|
2830
Nautilus Biotechnolgy
NAUT
$123M
| $98.5K | ﹤0.01% |
+52,689
| New | +$139K |
|
|
EEX
2831
DELISTED
Emerald Holding
EEX
| $98K | ﹤0.01% |
19,443
-19,757
| -50% | -$96K |
|
|
AIRJ
2832
Montana Technologies Corp
AIRJ
$300M
| $95.6K | ﹤0.01% |
+17,261
| New | +$66.9K |
|
2833
American Well
AMWL
$228M
| $94K | ﹤0.01% |
+10,307
| New | +$76.9K |
|
2834
ARS Pharmaceuticals
SPRY
$406M
| $92.1K | ﹤0.01% |
11,498
-417,101
| -97% | -$3.59M |
|
2835
Lexeo Therapeutics
LXEO
$272M
| $87.8K | ﹤0.01% |
+18,855
| New | +$102K |
|
2836
Ultralife
ULBI
$103M
| $86.9K | ﹤0.01% |
13,747
| – | – |
|
|
NAK
2837
Northern Dynasty Minerals
NAK
$787M
| $86.1K | ﹤0.01% |
45,047
-25,906
| -37% | -$52K |
|
2838
NN Inc
NNBR
$303M
| $85K | ﹤0.01% |
+23,689
| New | +$58.9K |
|
2839
Equillium
EQ
$106M
| $82.9K | ﹤0.01% |
+25,895
| New | +$62K |
|
2840
Spero Therapeutics
SPRO
$71.6M
| $81.4K | ﹤0.01% |
+36,811
| New | +$96.3K |
|
2841
Larimar Therapeutics
LRMR
$319M
| $80.7K | ﹤0.01% |
26,467
-51,169
| -66% | -$203K |
|
2842
Citizens
CIA
$182M
| $78.8K | ﹤0.01% |
13,730
| – | – |
|
2843
Krispy Kreme
DNUT
$501M
| $78.8K | ﹤0.01% |
+22,320
| New | +$79.7K |
|
|
WRN
2844
Western Copper and Gold
WRN
$525M
| $77.5K | ﹤0.01% |
34,561
+7,442
| +27% | +$20.1K |
|
2845
DHI Group
DHX
$205M
| $77.5K | ﹤0.01% |
+20,877
| New | +$69K |
|
2846
PepGen
PEPG
$179M
| $76.7K | ﹤0.01% |
42,601
| – | – |
|
|
CNTN
2847
Canton Strategic Holdings
CNTN
$205M
| $73.4K | ﹤0.01% |
+26,023
| New | +$82.2K |
|
2848
HF Foods Group
HFFG
$88.4M
| $71.8K | ﹤0.01% |
50,955
| – | – |
|
2849
Airgain
AIRG
$67.3M
| $70.9K | ﹤0.01% |
+11,256
| New | +$74.7K |
|
|
GENVR
2850
Gen Digital Inc Contingent Value Rights
GENVR
| $70.8K | ﹤0.01% |
54,904
| – | – |
|
Similar funds
American Century Companies's Q2 2026 Portfolio in Review
As of Q2 2026, American Century Companies held 3,021 positions worth $226B, up 16% from $194B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
American Century Companies's Q2 2026 filing shows 193 new, 1,743 increased, 891 reduced and 137 closed positions. Its largest new stake was OceanaGold Corp: 6,764,717 shares worth $170M. The largest sale was Apple, an estimated $1.74B.
By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 25% a quarter earlier, followed by Financials and Industrials.
- American Century Companies's largest Q2 2026 buy was OceanaGold Corp: 6,764,717 shares worth $170M.
- American Century Companies added most to Ciena in Q2 2026, an estimated $671M increase.
- American Century Companies's biggest Q2 2026 reduction was Apple, cutting an estimated $1.74B.
- American Century Companies fully exited Air Lease Corp in Q2 2026, selling an estimated $182M.
- American Century Companies's ten largest holdings make up 22% of its $226B portfolio in Q2 2026.
- American Century Companies opened 193 new positions and closed 137 in Q2 2026.
- American Century Companies's portfolio value rose 16% quarter-over-quarter to $226B.
Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.