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 | |
|---|---|---|---|---|---|---|
2701
Immuneering
IMRX
$276M
| $297K | ﹤0.01% |
59,558
+25,334
| +74% | +$128K |
|
|
TBCH
2702
Turtle Beach Corp
TBCH
$228M
| $293K | ﹤0.01% |
23,537
-9,197
| -28% | -$109K |
|
|
AAT
2703
American Assets Trust
AAT
$1.33B
| $291K | ﹤0.01% |
11,766
-11,060
| -48% | -$243K |
|
2704
Oramed Pharmaceuticals
ORMP
$197M
| $288K | ﹤0.01% |
59,775
+27,468
| +85% | +$109K |
|
2705
Sky Harbour Group
SKYH
$396M
| $287K | ﹤0.01% |
29,165
-14,492
| -33% | -$142K |
|
2706
Abeona Therapeutics
ABEO
$309M
| $287K | ﹤0.01% |
46,415
+33,697
| +265% | +$185K |
|
2707
AudioCodes
AUDC
$257M
| $283K | ﹤0.01% |
+29,284
| New | +$267K |
|
2708
Idaho Strategic Resources
IDR
$481M
| $283K | ﹤0.01% |
+8,650
| New | +$336K |
|
2709
Unity
U
$18.3B
| $282K | ﹤0.01% |
9,883
-420
| -4% | -$11.2K |
|
|
AVBC
2710
Avidia Bancorp
AVBC
$400M
| $282K | ﹤0.01% |
+13,432
| New | +$268K |
|
2711
Braskem
BAK
$614M
| $279K | ﹤0.01% |
114,298
-1,701
| -1% | -$6.42K |
|
2712
Virgin Galactic
SPCE
$484M
| $278K | ﹤0.01% |
96,215
+36,337
| +61% | +$119K |
|
|
HUYA
2713
Huya Inc
HUYA
$525M
| $276K | ﹤0.01% |
120,217
| – | – |
|
2714
Traeger
COOK
$130M
| $274K | ﹤0.01% |
+3,479
| New | +$181K |
|
2715
Patria Investments
PAX
$1.65B
| $274K | ﹤0.01% |
24,945
-8,553
| -26% | -$102K |
|
2716
PEDEVCO
PED
$174M
| $274K | ﹤0.01% |
+20,349
| New | +$296K |
|
2717
Melco Resorts & Entertainment
MLCO
$1.8B
| $270K | ﹤0.01% |
51,243
+74
| +0.1% | +$413 |
|
2718
Hanover Bancorp
HNVR
$187M
| $270K | ﹤0.01% |
+11,561
| New | +$266K |
|
2719
Axogen
AXGN
$2.55B
| $269K | ﹤0.01% |
+5,831
| New | +$235K |
|
2720
Nkarta
NKTX
$197M
| $268K | ﹤0.01% |
94,851
| – | – |
|
2721
Outdoor Holding Co
POWW
$266M
| $268K | ﹤0.01% |
117,586
+101,655
| +638% | +$209K |
|
|
MPLT
2722
MapLight Therapeutics
MPLT
$581M
| $268K | ﹤0.01% |
+7,470
| New | +$215K |
|
2723
Simulations Plus
SLP
$373M
| $262K | ﹤0.01% |
14,333
+3,538
| +33% | +$54.4K |
|
2724
Palisade Bio
PALI
$253M
| $261K | ﹤0.01% |
+124,691
| New | +$245K |
|
|
ZH
2725
Zhihu
ZH
$318M
| $260K | ﹤0.01% |
83,097
| – | – |
|
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.