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 |
Amphenol
APH
|
+$460M |
| 2 |
Broadcom
AVGO
|
+$298M |
| 3 |
Sysco
SYY
|
+$225M |
| 4 |
MRSH
Marsh
MRSH
|
+$200M |
| 5 |
Ascendis Pharma A/S
ASND
|
+$186M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$573M |
| 2 |
Visa
V
|
+$465M |
| 3 |
Apple
AAPL
|
+$461M |
| 4 |
Alphabet (Google) Class A
GOOGL
|
+$363M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$358M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 26.8% |
| 2 | Financials | 13.6% |
| 3 | Consumer Discretionary | 12.52% |
| 4 | Industrials | 10.05% |
| 5 | Healthcare | 9.86% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2201
Mama's Creations
MAMA
$826M
| $1.43M | ﹤0.01% |
106,353
+1,631
| +2% | +$18.7K |
|
2202
Funko
FNKO
$331M
| $1.43M | ﹤0.01% |
421,915
-130,445
| -24% | -$410K |
|
2203
James River Group Holdings
JRVR
$199M
| $1.43M | ﹤0.01% |
225,061
-78,168
| -26% | -$450K |
|
|
GRSD
2204
Grandstand Limited Ordinary Shares
GRSD
$67.3M
| $1.43M | ﹤0.01% |
261,793
+8,993
| +4% | +$57.2K |
|
2205
Carriage Services
CSV
$535M
| $1.42M | ﹤0.01% |
33,650
+641
| +2% | +$27.8K |
|
|
RAPP
2206
Rapport Therapeutics
RAPP
$2.29B
| $1.42M | ﹤0.01% |
46,849
+28,599
| +157% | +$791K |
|
2207
Timberland Bancorp
TSBK
$361M
| $1.42M | ﹤0.01% |
39,682
+258
| +0.7% | +$8.71K |
|
|
THS
2208
DELISTED
Treehouse Foods
THS
| $1.42M | ﹤0.01% |
60,067
-18,217
| -23% | -$398K |
|
2209
Rush Street Interactive
RSI
$2.81B
| $1.41M | ﹤0.01% |
72,734
+14,343
| +25% | +$265K |
|
|
SEPN
2210
Septerna Inc
SEPN
$2.25B
| $1.41M | ﹤0.01% |
50,689
+25,406
| +100% | +$607K |
|
2211
MGM Resorts International
MGM
$11.1B
| $1.41M | ﹤0.01% |
38,678
+1,453
| +4% | +$49.3K |
|
2212
Crane NXT
CXT
$2.96B
| $1.4M | ﹤0.01% |
+29,826
| New | +$1.76M |
|
2213
Descartes Systems
DSGX
$6.65B
| $1.4M | ﹤0.01% |
15,916
+616
| +4% | +$55.1K |
|
2214
Electromed
ELMD
$352M
| $1.39M | ﹤0.01% |
47,847
+15,178
| +46% | +$398K |
|
2215
Walker & Dunlop
WD
$1.45B
| $1.39M | ﹤0.01% |
23,066
+12,735
| +123% | +$904K |
|
2216
Chemung Financial Corp
CHMG
$403M
| $1.38M | ﹤0.01% |
24,770
-1,900
| -7% | -$101K |
|
2217
Cohen & Steers
CNS
$4.36B
| $1.38M | ﹤0.01% |
21,908
+8,670
| +65% | +$564K |
|
2218
Maximus
MMS
$2.94B
| $1.37M | ﹤0.01% |
15,856
+12,284
| +344% | +$1.05M |
|
2219
First Financial Bankshares
FFIN
$5.01B
| $1.37M | ﹤0.01% |
45,741
+9,084
| +25% | +$286K |
|
2220
Hippo Holdings
HIPO
$868M
| $1.36M | ﹤0.01% |
45,300
+935
| +2% | +$31.2K |
|
2221
SharkNinja
SN
$26.2B
| $1.36M | ﹤0.01% |
12,138
+2,529
| +26% | +$249K |
|
2222
Excelerate Energy
EE
$1.12B
| $1.36M | ﹤0.01% |
48,396
+2,496
| +5% | +$67.5K |
|
|
SFIX
2223
Stitch Fix
SFIX
$487M
| $1.36M | ﹤0.01% |
258,262
-10,445
| -4% | -$47.6K |
|
2224
Futu Holdings
FUTU
$14.7B
| $1.35M | ﹤0.01% |
8,248
+96
| +1% | +$16.5K |
|
2225
Westlake Corp
WLK
$10.2B
| $1.35M | ﹤0.01% |
18,301
+190
| +1% | +$13.5K |
|
Similar funds
American Century Companies's Q4 2025 Portfolio in Review
As of Q4 2025, American Century Companies held 2,902 positions worth $199B, up 1.2% from $197B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
American Century Companies's Q4 2025 filing shows 123 new, 1,653 increased, 947 reduced and 91 closed positions. Its largest new stake was Amrize Ltd: 2,173,524 shares worth $118M. The largest sale was NVIDIA, an estimated $573M.
By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 28% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q4 2025 buy was Amrize Ltd: 2,173,524 shares worth $118M.
- American Century Companies added most to Amphenol in Q4 2025, an estimated $460M increase.
- American Century Companies's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $573M.
- American Century Companies fully exited Premier in Q4 2025, selling an estimated $91.5M.
- American Century Companies's ten largest holdings make up 27% of its $199B portfolio in Q4 2025.
- American Century Companies opened 123 new positions and closed 91 in Q4 2025.
- American Century Companies's portfolio value rose 1.2% quarter-over-quarter to $199B.
Based on American Century Companies's 13F filing for Q4 2025, filed 13 Feb 2026.