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 |
Microsoft
MSFT
|
+$430M |
| 2 |
MRSH
Marsh
MRSH
|
+$342M |
| 3 |
Honeywell
HON
|
+$212M |
| 4 |
Owens Corning
OC
|
+$206M |
| 5 |
Coeur Mining
CDE
|
+$174M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$513M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$440M |
| 3 |
NVIDIA
NVDA
|
+$416M |
| 4 |
Kenvue
KVUE
|
+$306M |
| 5 |
Apple
AAPL
|
+$213M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 25.15% |
| 2 | Financials | 13.37% |
| 3 | Consumer Discretionary | 11.55% |
| 4 | Industrials | 10.99% |
| 5 | Healthcare | 9.31% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2251
AMES National
ATLO
$276M
| $1.28M | ﹤0.01% |
45,191
+35,776
| +380% | +$938K |
|
2252
Wyndham Hotels & Resorts
WH
$5.32B
| $1.27M | ﹤0.01% |
15,687
-232
| -1% | -$18.2K |
|
|
PXED
2253
Phoenix Education Partners
PXED
$1.01B
| $1.27M | ﹤0.01% |
+40,259
| New | +$1.2M |
|
|
FONR
2254
DELISTED
Fonar
FONR
| $1.26M | ﹤0.01% |
68,016
+37,969
| +126% | +$704K |
|
2255
J. Jill
JILL
$278M
| $1.26M | ﹤0.01% |
109,795
+42,725
| +64% | +$683K |
|
2256
Perrigo
PRGO
$1.74B
| $1.26M | ﹤0.01% |
117,052
+7,140
| +6% | +$92.5K |
|
2257
Walker & Dunlop
WD
$1.46B
| $1.25M | ﹤0.01% |
28,259
+5,193
| +23% | +$293K |
|
2258
Iovance Biotherapeutics
IOVA
$2.89B
| $1.25M | ﹤0.01% |
355,806
+226,718
| +176% | +$725K |
|
2259
Cytek Biosciences
CTKB
$573M
| $1.23M | ﹤0.01% |
281,681
-2,963
| -1% | -$14K |
|
2260
Resources Connection
RGP
$147M
| $1.22M | ﹤0.01% |
327,412
+214,106
| +189% | +$877K |
|
2261
Funko
FNKO
$347M
| $1.22M | ﹤0.01% |
387,320
-34,595
| -8% | -$138K |
|
2262
Olema Pharmaceuticals
OLMA
$1.04B
| $1.22M | ﹤0.01% |
81,734
-12,166
| -13% | -$271K |
|
2263
Nurix Therapeutics
NRIX
$2.67B
| $1.21M | ﹤0.01% |
78,057
+35,179
| +82% | +$583K |
|
2264
Peoples Bancorp of North Carolina
PEBK
$227M
| $1.21M | ﹤0.01% |
30,864
+7,484
| +32% | +$281K |
|
2265
FTAI Aviation
FTAI
$22.3B
| $1.2M | ﹤0.01% |
4,909
-7,971
| -62% | -$2.11M |
|
2266
Integra LifeSciences
IART
$1.33B
| $1.2M | ﹤0.01% |
127,642
+8,736
| +7% | +$95.9K |
|
2267
Driven Brands
DRVN
$2.08B
| $1.2M | ﹤0.01% |
95,241
-33,016
| -26% | -$465K |
|
2268
CorVel
CRVL
$3.17B
| $1.2M | ﹤0.01% |
21,932
-5,856
| -21% | -$337K |
|
2269
Fulcrum Therapeutics
FULC
$286M
| $1.2M | ﹤0.01% |
156,242
-1,430
| -0.9% | -$13.3K |
|
2270
Simply Good Foods
SMPL
$963M
| $1.2M | ﹤0.01% |
83,440
+7,124
| +9% | +$123K |
|
2271
Algonquin Power & Utilities
AQN
$4.37B
| $1.19M | ﹤0.01% |
195,112
+22,482
| +13% | +$146K |
|
2272
Mesa Laboratories
MLAB
$571M
| $1.18M | ﹤0.01% |
13,373
-97
| -0.7% | -$8.36K |
|
2273
Invesco
IVZ
$14B
| $1.18M | ﹤0.01% |
48,398
-91,492
| -65% | -$2.39M |
|
2274
Park Aerospace
PKE
$809M
| $1.17M | ﹤0.01% |
42,879
-301
| -0.7% | -$7.71K |
|
2275
Hippo Holdings
HIPO
$856M
| $1.17M | ﹤0.01% |
45,001
-299
| -0.7% | -$8.51K |
|
Similar funds
American Century Companies's Q1 2026 Portfolio in Review
As of Q1 2026, American Century Companies held 2,945 positions worth $194B, down 2.4% from $199B the previous quarter. Its ten largest holdings account for 24% of the portfolio.
American Century Companies's Q1 2026 filing shows 133 new, 1,604 increased, 1,039 reduced and 115 closed positions. Its largest new stake was Sunbelt Rentals Holdings: 2,015,224 shares worth $127M. The largest sale was Amazon, an estimated $513M.
By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 27% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q1 2026 buy was Sunbelt Rentals Holdings: 2,015,224 shares worth $127M.
- American Century Companies added most to Microsoft in Q1 2026, an estimated $430M increase.
- American Century Companies's biggest Q1 2026 reduction was Amazon, cutting an estimated $513M.
- American Century Companies fully exited Icon in Q1 2026, selling an estimated $189M.
- American Century Companies's ten largest holdings make up 24% of its $194B portfolio in Q1 2026.
- American Century Companies opened 133 new positions and closed 115 in Q1 2026.
- American Century Companies's portfolio value fell 2.4% quarter-over-quarter to $194B.
Based on American Century Companies's 13F filing for Q1 2026, filed 15 May 2026.