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 | |
|---|---|---|---|---|---|---|
2551
Inogen
INGN
$154M
| $413K | ﹤0.01% |
61,463
| – | – |
|
|
BCAX
2552
Bicara Therapeutics
BCAX
$1.56B
| $412K | ﹤0.01% |
24,493
+13,816
| +129% | +$236K |
|
|
GBFH
2553
GBank Financial Holdings
GBFH
$315M
| $410K | ﹤0.01% |
12,111
+3,098
| +34% | +$113K |
|
2554
Utah Medical Products
UTMD
$230M
| $409K | ﹤0.01% |
7,300
-878
| -11% | -$50.9K |
|
2555
America's Car Mart
CRMT
$25.7M
| $408K | ﹤0.01% |
16,159
-987
| -6% | -$23.7K |
|
2556
Arcturus Therapeutics
ARCT
$223M
| $408K | ﹤0.01% |
66,485
+2,045
| +3% | +$22.1K |
|
|
DHC
2557
Diversified Healthcare Trust
DHC
$2.03B
| $407K | ﹤0.01% |
83,979
| – | – |
|
2558
Tredegar Corp
TG
$278M
| $406K | ﹤0.01% |
56,569
-57,892
| -51% | -$439K |
|
2559
BILL Holdings
BILL
$5.11B
| $404K | ﹤0.01% |
7,415
-1,332
| -15% | -$68.4K |
|
|
BFIN
2560
DELISTED
BankFinancial
BFIN
| $402K | ﹤0.01% |
33,541
-2,726
| -8% | -$32.2K |
|
2561
Insight Enterprises
NSIT
$4.6B
| $401K | ﹤0.01% |
4,927
-67,348
| -93% | -$6.32M |
|
2562
Innovative Solutions & Support
ISSC
$407M
| $400K | ﹤0.01% |
21,118
+6,145
| +41% | +$70K |
|
2563
Lantronix
LTRX
$272M
| $393K | ﹤0.01% |
67,010
+6,782
| +11% | +$35.3K |
|
2564
Barnes & Noble Education
BNED
$424M
| $393K | ﹤0.01% |
42,725
+2,412
| +6% | +$21.3K |
|
2565
SPS Commerce
SPSC
$2.86B
| $390K | ﹤0.01% |
4,375
-152
| -3% | -$14.1K |
|
2566
AbCellera Biologics
ABCL
$3.36B
| $389K | ﹤0.01% |
113,760
| – | – |
|
2567
Melco Resorts & Entertainment
MLCO
$2.14B
| $387K | ﹤0.01% |
51,169
+31,144
| +156% | +$262K |
|
|
MBX
2568
MBX Biosciences
MBX
$3.23B
| $386K | ﹤0.01% |
+12,236
| New | +$297K |
|
2569
Lufax Holding
LU
$1.31B
| $386K | ﹤0.01% |
150,720
+7,125
| +5% | +$21.1K |
|
2570
Ryan Specialty Holdings
RYAN
$11B
| $385K | ﹤0.01% |
7,464
+1,109
| +17% | +$60.8K |
|
2571
Sportsman's Warehouse
SPWH
$46.8M
| $384K | ﹤0.01% |
262,930
+1,524
| +0.6% | +$3.31K |
|
2572
Morningstar
MORN
$7.76B
| $384K | ﹤0.01% |
1,766
-18,571
| -91% | -$4.02M |
|
|
TBCH
2573
Turtle Beach Corp
TBCH
$230M
| $383K | ﹤0.01% |
27,310
+13,268
| +94% | +$197K |
|
2574
Star Bulk Carriers
SBLK
$3.21B
| $383K | ﹤0.01% |
19,922
| – | – |
|
2575
Freshpet
FRPT
$3.5B
| $382K | ﹤0.01% |
+6,277
| New | +$356K |
|
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.