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 | |
|---|---|---|---|---|---|---|
2601
Compugen
CGEN
$225M
| $457K | ﹤0.01% |
+213,731
| New | +$536K |
|
2602
BigBear.ai
BBAI
$1.34B
| $457K | ﹤0.01% |
+124,524
| New | +$498K |
|
2603
Ovid Therapeutics
OVID
$469M
| $456K | ﹤0.01% |
+169,382
| New | +$437K |
|
|
NUVL
2604
DELISTED
Nuvalent
NUVL
| $455K | ﹤0.01% |
3,680
-427,387
| -99% | -$46M |
|
2605
Celanese
CE
$5.17B
| $452K | ﹤0.01% |
+9,834
| New | +$569K |
|
2606
Norwood Financial Corp
NWFL
$368M
| $447K | ﹤0.01% |
13,894
+1,432
| +11% | +$43.7K |
|
2607
Doximity
DOCS
$4.7B
| $446K | ﹤0.01% |
21,511
-92,595
| -81% | -$2.05M |
|
2608
Arcturus Therapeutics
ARCT
$394M
| $439K | ﹤0.01% |
65,361
-651
| -1% | -$5.13K |
|
2609
Candel Therapeutics
CADL
$843M
| $439K | ﹤0.01% |
+42,642
| New | +$322K |
|
2610
Gevo
GEVO
$346M
| $439K | ﹤0.01% |
292,622
+35,492
| +14% | +$62.6K |
|
2611
Spok Holdings
SPOK
$219M
| $435K | ﹤0.01% |
42,490
-878
| -2% | -$9.55K |
|
2612
Quanterix
QTRX
$155M
| $434K | ﹤0.01% |
100,463
-1,347
| -1% | -$4.37K |
|
|
AIOT
2613
PowerFleet Inc
AIOT
$376M
| $433K | ﹤0.01% |
113,180
+17,615
| +18% | +$61.8K |
|
2614
Allogene Therapeutics
ALLO
$570M
| $431K | ﹤0.01% |
207,404
+157,176
| +313% | +$345K |
|
2615
AtriCure
ATRC
$2.97B
| $427K | ﹤0.01% |
15,273
+4,633
| +44% | +$130K |
|
2616
Century Therapeutics
IPSC
$302M
| $426K | ﹤0.01% |
174,062
+115,320
| +196% | +$263K |
|
2617
XPeng
XPEV
$9.69B
| $424K | ﹤0.01% |
32,019
| – | – |
|
|
JAN
2618
Janus Living Inc
JAN
$7.04B
| $423K | ﹤0.01% |
14,718
-420,969
| -97% | -$10.9M |
|
2619
Blue Ridge Bankshares
BRBS
$345M
| $421K | ﹤0.01% |
119,291
-6,643
| -5% | -$23.1K |
|
2620
Nurix Therapeutics
NRIX
$2.39B
| $421K | ﹤0.01% |
17,335
-60,722
| -78% | -$1.03M |
|
|
EU
2621
enCore Energy
EU
$241M
| $420K | ﹤0.01% |
320,736
+25,199
| +9% | +$42.4K |
|
2622
Lifeway Foods
LWAY
$328M
| $417K | ﹤0.01% |
13,988
+1,650
| +13% | +$42K |
|
2623
NexGen Energy
NXE
$6.16B
| $415K | ﹤0.01% |
44,194
-447,179
| -91% | -$5.08M |
|
2624
Comstock
LODE
$195M
| $414K | ﹤0.01% |
99,523
+30,507
| +44% | +$111K |
|
2625
Perspective Therapeutics
CATX
$288M
| $413K | ﹤0.01% |
121,048
+85,326
| +239% | +$322K |
|
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.