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 | 11.12% |
| 5 | Healthcare | 8.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2501
Janux Therapeutics
JANX
$1.02B
| $714K | ﹤0.01% |
46,476
+16,261
| +54% | +$236K |
|
2502
Alto Neuroscience
ANRO
$1.14B
| $708K | ﹤0.01% |
26,820
+12,634
| +89% | +$292K |
|
2503
Consumer Portfolio Services
CPSS
$201M
| $707K | ﹤0.01% |
73,680
| – | – |
|
2504
C4 Therapeutics
CCCC
$481M
| $704K | ﹤0.01% |
150,681
+65,237
| +76% | +$223K |
|
2505
Bausch Health
BHC
$2.31B
| $703K | ﹤0.01% |
142,561
-14,489
| -9% | -$77.7K |
|
2506
Richardson Electronics
RELL
$300M
| $694K | ﹤0.01% |
36,525
-20,863
| -36% | -$326K |
|
2507
Sweetgreen
SG
$681M
| $692K | ﹤0.01% |
78,598
+67,624
| +616% | +$516K |
|
2508
Sonida Senior Living
SNDA
$1.9B
| $687K | ﹤0.01% |
16,835
+10,209
| +154% | +$366K |
|
2509
Dave & Buster's
PLAY
$356M
| $682K | ﹤0.01% |
59,834
+2,355
| +4% | +$28K |
|
2510
ArriVent BioPharma
AVBP
$1.45B
| $679K | ﹤0.01% |
19,534
+19
| +0.1% | +$561 |
|
2511
Hackett Group
HCKT
$273M
| $671K | ﹤0.01% |
62,266
-405
| -0.6% | -$4.74K |
|
2512
Orthofix Medical
OFIX
$416M
| $667K | ﹤0.01% |
72,933
-14,889
| -17% | -$164K |
|
2513
Allison Transmission
ALSN
$10.1B
| $664K | ﹤0.01% |
5,892
-33,832
| -85% | -$4.11M |
|
2514
Arlo Technologies
ARLO
$1.52B
| $662K | ﹤0.01% |
49,142
+12,635
| +35% | +$171K |
|
2515
Savers
SVV
$1.66B
| $661K | ﹤0.01% |
65,461
+4,449
| +7% | +$38.6K |
|
2516
Pentair
PNR
$10.6B
| $660K | ﹤0.01% |
8,614
+2,141
| +33% | +$169K |
|
2517
M-tron Industries
MPTI
$367M
| $656K | ﹤0.01% |
6,621
-1,128
| -15% | -$89.7K |
|
|
TECX
2518
Tectonic Therapeutic
TECX
$685M
| $653K | ﹤0.01% |
19,001
+6,467
| +52% | +$190K |
|
|
LAC
2519
Lithium Americas
LAC
$1.18B
| $653K | ﹤0.01% |
169,579
+45,256
| +36% | +$216K |
|
|
BRSL
2520
Brightstar Lottery PLC
BRSL
$2.06B
| $650K | ﹤0.01% |
60,616
+29,853
| +97% | +$355K |
|
|
AEBI
2521
Aebi Schmidt Holding AG
AEBI
$1,000M
| $649K | ﹤0.01% |
51,680
+22,775
| +79% | +$269K |
|
2522
Ambarella
AMBA
$3.66B
| $645K | ﹤0.01% |
7,517
+2,660
| +55% | +$183K |
|
2523
Albertsons Companies
ACI
$5.89B
| $640K | ﹤0.01% |
47,297
+4,431
| +10% | +$70.9K |
|
2524
The RMR Group
RMR
$338M
| $635K | ﹤0.01% |
30,954
-17,393
| -36% | -$329K |
|
2525
Consensus Cloud Solutions
CCSI
$676M
| $634K | ﹤0.01% |
+16,620
| New | +$498K |
|
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.