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 | |
|---|---|---|---|---|---|---|
|
ATXS
2276
DELISTED
Astria Therapeutics
ATXS
| $1.11M | ﹤0.01% |
85,017
+10,352
| +14% | +$124K |
|
2277
Douglas Elliman
DOUG
$184M
| $1.11M | ﹤0.01% |
467,499
+331,063
| +243% | +$851K |
|
2278
AtaiBeckley Inc
ATAI
$2.68B
| $1.11M | ﹤0.01% |
270,451
+22,582
| +9% | +$107K |
|
2279
Oric Pharmaceuticals
ORIC
$1.42B
| $1.1M | ﹤0.01% |
134,930
+4,354
| +3% | +$50.1K |
|
2280
CryoPort
CYRX
$766M
| $1.09M | ﹤0.01% |
113,694
+4,066
| +4% | +$38.4K |
|
2281
Liberty Live Group Series C
LLYVK
$9.8B
| $1.09M | ﹤0.01% |
13,056
-1,801
| -12% | -$155K |
|
2282
LSI Industries
LYTS
$890M
| $1.09M | ﹤0.01% |
59,231
-40,969
| -41% | -$833K |
|
2283
Pearson
PSO
$9.7B
| $1.08M | ﹤0.01% |
77,111
+4,582
| +6% | +$63.4K |
|
2284
Rapid7
RPD
$929M
| $1.08M | ﹤0.01% |
70,828
+2,582
| +4% | +$42.5K |
|
|
SMC
2285
Summit Midstream
SMC
$477M
| $1.08M | ﹤0.01% |
40,299
+14,886
| +59% | +$354K |
|
2286
WIX.com
WIX
$3.35B
| $1.07M | ﹤0.01% |
10,279
+2,834
| +38% | +$343K |
|
2287
Surgery Partners
SGRY
$2.01B
| $1.07M | ﹤0.01% |
69,099
-88,245
| -56% | -$1.62M |
|
2288
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.6B
| $1.06M | ﹤0.01% |
13,734
-7,090
| -34% | -$543K |
|
|
GRP.U
2289
DELISTED
Granite Real Estate Investment Trust
GRP.U
| $1.06M | ﹤0.01% |
17,876
+2,846
| +19% | +$159K |
|
2290
Teleflex
TFX
$5.82B
| $1.06M | ﹤0.01% |
8,701
-1,140
| -12% | -$138K |
|
2291
Algonquin Power & Utilities
AQN
$4.44B
| $1.06M | ﹤0.01% |
172,630
-66,950
| -28% | -$398K |
|
2292
Mesa Laboratories
MLAB
$631M
| $1.06M | ﹤0.01% |
13,470
+735
| +6% | +$55.9K |
|
2293
Ichor Holdings
ICHR
$2.59B
| $1.05M | ﹤0.01% |
57,176
+4,558
| +9% | +$84.5K |
|
2294
Vontier
VNT
$4.52B
| $1.05M | ﹤0.01% |
28,336
-8,632
| -23% | -$330K |
|
2295
Apple Hospitality REIT
APLE
$3.71B
| $1.05M | ﹤0.01% |
88,843
+2,179
| +3% | +$25.6K |
|
|
FFWM
2296
DELISTED
First Foundation Inc
FFWM
| $1.05M | ﹤0.01% |
170,576
-10,462
| -6% | -$58.6K |
|
2297
Solid Power
SLDP
$545M
| $1.04M | ﹤0.01% |
245,819
+70,262
| +40% | +$388K |
|
2298
Climb Global Solutions
CLMB
$527M
| $1.04M | ﹤0.01% |
40,612
+536
| +1% | +$15.6K |
|
|
CURB
2299
Curbline Properties
CURB
$3.46B
| $1.04M | ﹤0.01% |
44,792
+1,077
| +2% | +$25.1K |
|
2300
Knife River
KNF
$3.83B
| $1.03M | ﹤0.01% |
14,628
-452,518
| -97% | -$31.8M |
|
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.