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 | |
|---|---|---|---|---|---|---|
551
Oshkosh
OSK
$8.2B
| $90.9M | 0.04% |
592,037
+13,060
| +2% | +$1.84M |
|
|
WCC
552
WESCO International
WCC
$17.9B
| $90.8M | 0.04% |
262,932
-7,306
| -3% | -$2.48M |
|
553
DoorDash
DASH
$83.8B
| $90.7M | 0.04% |
491,461
+20,994
| +4% | +$3.47M |
|
554
Banc of California
BANC
$2.84B
| $90.5M | 0.04% |
4,428,331
+987,647
| +29% | +$18.8M |
|
555
Structure Therapeutics
GPCR
$2.56B
| $90.3M | 0.04% |
1,682,179
+244,148
| +17% | +$10.8M |
|
556
Chemours
CC
$2.18B
| $89.9M | 0.04% |
4,379,525
-36,339
| -0.8% | -$832K |
|
557
Fortinet
FTNT
$127B
| $89.4M | 0.04% |
581,645
+259,776
| +81% | +$30M |
|
|
AXON
558
Axon Enterprise
AXON
$34.9B
| $88.9M | 0.04% |
158,579
+209
| +0.1% | +$87.5K |
|
559
Valley National Bancorp
VLY
$7.23B
| $88.8M | 0.04% |
6,062,869
+35,759
| +0.6% | +$486K |
|
560
NorthWestern Energy
NWE
$4.23B
| $88.7M | 0.04% |
1,238,268
-319,599
| -21% | -$22.7M |
|
561
Tapestry
TPR
$22.7B
| $88.5M | 0.04% |
604,616
+75,952
| +14% | +$10.9M |
|
562
Gates Industrial Corp
GTES
$6.8B
| $88.3M | 0.04% |
3,158,452
+1,437,535
| +84% | +$36.9M |
|
563
Diodes
DIOD
$4.41B
| $88.3M | 0.04% |
806,886
+687,921
| +578% | +$69.8M |
|
564
Herc Holdings
HRI
$4.53B
| $88M | 0.04% |
614,239
-203,807
| -25% | -$26.3M |
|
|
EXE
565
Expand Energy Corp
EXE
$20.1B
| $88M | 0.04% |
964,473
-224,635
| -19% | -$21.3M |
|
566
America Movil
AMX
$65.9B
| $87.9M | 0.04% |
3,382,229
-62,400
| -2% | -$1.64M |
|
567
Affirm
AFRM
$24.1B
| $87.8M | 0.04% |
1,076,745
+172,846
| +19% | +$11.3M |
|
568
ING
ING
$104B
| $87.8M | 0.04% |
2,798,046
+323,778
| +13% | +$9.58M |
|
569
Magnite
MGNI
$3.44B
| $87.7M | 0.04% |
4,622,736
-4,080
| -0.1% | -$58.4K |
|
570
Primoris Services
PRIM
$3.91B
| $87.7M | 0.04% |
884,645
-193,479
| -18% | -$25.4M |
|
571
Graphic Packaging
GPK
$2.78B
| $87.3M | 0.04% |
8,256,050
+455,821
| +6% | +$4.65M |
|
572
Ryman Hospitality Properties
RHP
$8.38B
| $87.1M | 0.04% |
677,571
-394,685
| -37% | -$43.8M |
|
|
SW
573
Smurfit Westrock
SW
$24.3B
| $86.8M | 0.04% |
1,877,399
+1,326,322
| +241% | +$54.8M |
|
574
The Greenbrier Companies
GBX
$1.32B
| $86.6M | 0.04% |
1,767,398
+245,601
| +16% | +$12.1M |
|
575
Digital Realty Trust
DLR
$66.3B
| $86.5M | 0.04% |
481,773
-101,351
| -17% | -$19.4M |
|
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.