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 | |
|---|---|---|---|---|---|---|
2376
Climb Global Solutions
CLMB
$527M
| $1.07M | ﹤0.01% |
46,244
-1,444
| -3% | -$31K |
|
2377
HEICO Corp Class A
HEI.A
$38B
| $1.07M | ﹤0.01% |
4,161
+324
| +8% | +$74K |
|
2378
Teradata
TDC
$2.49B
| $1.07M | ﹤0.01% |
30,930
-185,194
| -86% | -$5.63M |
|
|
GTM
2379
ZoomInfo Technologies
GTM
$1.12B
| $1.06M | ﹤0.01% |
362,844
+55,637
| +18% | +$250K |
|
2380
Bank of Marin Bancorp
BMRC
$462M
| $1.06M | ﹤0.01% |
38,357
-185
| -0.5% | -$4.83K |
|
2381
Invesco
IVZ
$13.9B
| $1.06M | ﹤0.01% |
40,213
-8,185
| -17% | -$217K |
|
2382
Revolve Group
RVLV
$1.69B
| $1.06M | ﹤0.01% |
46,174
+14,073
| +44% | +$311K |
|
|
SILA
2383
DELISTED
Sila Realty Trust
SILA
| $1.06M | ﹤0.01% |
34,799
+8,976
| +35% | +$262K |
|
2384
Eton Pharmaceutcials
ETON
$1.14B
| $1.05M | ﹤0.01% |
29,125
+17,199
| +144% | +$504K |
|
2385
Omnicom Group
OMC
$23.5B
| $1.05M | ﹤0.01% |
14,442
-19,551
| -58% | -$1.47M |
|
2386
J.M. Smucker
SJM
$12.7B
| $1.04M | ﹤0.01% |
9,263
+6,467
| +231% | +$659K |
|
|
SGI
2387
Somnigroup International
SGI
$13.5B
| $1.04M | ﹤0.01% |
13,251
-1,823
| -12% | -$134K |
|
2388
Kura Oncology
KURA
$882M
| $1.03M | ﹤0.01% |
94,198
-392,372
| -81% | -$3.7M |
|
2389
Gen Digital
GEN
$17.1B
| $1.03M | ﹤0.01% |
41,320
| – | – |
|
2390
Hyliion Holdings
HYLN
$694M
| $1.03M | ﹤0.01% |
196,919
+77,198
| +64% | +$321K |
|
2391
Tejon Ranch
TRC
$441M
| $1.02M | ﹤0.01% |
54,592
+2,870
| +6% | +$55.5K |
|
2392
Clearfield
CLFD
$395M
| $1.02M | ﹤0.01% |
25,608
-12,941
| -34% | -$475K |
|
2393
Microchip Technology
MCHP
$43.1B
| $1.02M | ﹤0.01% |
11,152
-900,227
| -99% | -$80.3M |
|
2394
Ituran Location and Control
ITRN
$1.07B
| $1.01M | ﹤0.01% |
16,595
+7,872
| +90% | +$468K |
|
2395
Ooma
OOMA
$553M
| $1.01M | ﹤0.01% |
52,651
+11,485
| +28% | +$197K |
|
2396
NovaGold Resources
NG
$3.45B
| $997K | ﹤0.01% |
166,814
-4,639
| -3% | -$38.6K |
|
2397
Phibro Animal Health
PAHC
$1.37B
| $997K | ﹤0.01% |
31,737
+19,455
| +158% | +$821K |
|
2398
AvePoint
AVPT
$2.75B
| $994K | ﹤0.01% |
88,651
+18,976
| +27% | +$195K |
|
2399
Ramaco Resources Class B
METCB
$416M
| $992K | ﹤0.01% |
116,000
-20,989
| -15% | -$218K |
|
2400
American Vanguard Corp
AVD
$64M
| $991K | ﹤0.01% |
353,869
-91,919
| -21% | -$250K |
|
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.