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 | |
|---|---|---|---|---|---|---|
576
Deckers Outdoor
DECK
$10.7B
| $86.4M | 0.04% |
870,184
+239,233
| +38% | +$25.2M |
|
577
Kaiser Aluminum
KALU
$2.49B
| $86.1M | 0.04% |
439,923
-38,873
| -8% | -$6.61M |
|
578
Acadia Healthcare
ACHC
$2.62B
| $85.9M | 0.04% |
2,908,887
+2,390,281
| +461% | +$61.4M |
|
579
Xylem
XYL
$24B
| $85.6M | 0.04% |
723,793
-576,543
| -44% | -$66.6M |
|
|
RAL
580
Ralliant Corp
RAL
$7.75B
| $85.5M | 0.04% |
1,161,011
-122,602
| -10% | -$6.83M |
|
581
OFG Bancorp
OFG
$2.2B
| $85.3M | 0.04% |
1,737,379
+136,880
| +9% | +$6.2M |
|
582
Dave Inc
DAVE
$4.14B
| $84.9M | 0.04% |
227,827
+29,199
| +15% | +$7.59M |
|
583
Petrobras Class A
PBR.A
$119B
| $84.9M | 0.04% |
5,796,477
+534,879
| +10% | +$9.43M |
|
584
Peabody Energy
BTU
$3.1B
| $84.7M | 0.04% |
3,661,760
-918,354
| -20% | -$24.4M |
|
585
Eldorado Gold
EGO
$10.9B
| $84.6M | 0.04% |
2,717,111
+210,905
| +8% | +$6.87M |
|
586
Knight Transportation
KNX
$10.4B
| $84.5M | 0.04% |
1,085,372
+991,011
| +1,050% | +$68.7M |
|
587
American Century Short Duration Strategic Income ETF
SDSI
$296M
| $84.5M | 0.04% |
1,645,494
+168,700
| +11% | +$8.66M |
|
588
Terreno Realty
TRNO
$7.2B
| $84.4M | 0.04% |
1,303,724
-161,897
| -11% | -$10.6M |
|
589
Raymond James Financial
RJF
$30.8B
| $84.2M | 0.04% |
554,061
+139,856
| +34% | +$21.2M |
|
590
Victory Capital Holdings
VCTR
$6.69B
| $84.2M | 0.04% |
1,001,129
+679,865
| +212% | +$54.7M |
|
591
Casella Waste Systems
CWST
$5.23B
| $83.6M | 0.04% |
862,452
+805,858
| +1,424% | +$68.8M |
|
592
Accenture
ACN
$108B
| $83.3M | 0.04% |
669,578
+136,492
| +26% | +$23.7M |
|
593
MarineMax
HZO
$1.16B
| $83.3M | 0.04% |
2,275,099
+154,697
| +7% | +$4.97M |
|
594
Select Water Solutions
WTTR
$2.56B
| $83.2M | 0.04% |
4,165,082
+158,091
| +4% | +$2.77M |
|
595
State Street
STT
$49.8B
| $83.1M | 0.04% |
490,118
+15,628
| +3% | +$2.41M |
|
596
Tractor Supply
TSCO
$16.8B
| $82.8M | 0.04% |
2,619,728
-5,076,703
| -66% | -$175M |
|
597
Celestica
CLS
$46.1B
| $82.6M | 0.04% |
226,507
+6,765
| +3% | +$2.54M |
|
598
Scorpio Tankers
STNG
$4.08B
| $82.6M | 0.04% |
1,192,112
+182,361
| +18% | +$14.3M |
|
599
Sumitomo Mitsui Financial
SMFG
$169B
| $82.4M | 0.04% |
3,493,982
+485,077
| +16% | +$10.8M |
|
|
SLDE
600
Slide Insurance Holdings
SLDE
$2.7B
| $82.3M | 0.04% |
4,250,123
+796,941
| +23% | +$14.4M |
|
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.