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 | |
|---|---|---|---|---|---|---|
|
GRAL
1601
GRAIL Inc
GRAL
$3.02B
| $6.97M | ﹤0.01% |
81,476
+15,068
| +23% | +$1.3M |
|
1602
Sunrun
RUN
$2.44B
| $6.97M | ﹤0.01% |
378,890
+21,816
| +6% | +$418K |
|
1603
Fortis
FTS
$28.9B
| $6.92M | ﹤0.01% |
133,156
+21,004
| +19% | +$1.08M |
|
1604
Western Alliance Bancorporation
WAL
$8.99B
| $6.91M | ﹤0.01% |
82,236
-42,745
| -34% | -$3.47M |
|
1605
Simmons First National
SFNC
$3.48B
| $6.9M | ﹤0.01% |
366,202
+9,711
| +3% | +$180K |
|
1606
Mid-America Apartment Communities
MAA
$15.5B
| $6.9M | ﹤0.01% |
49,648
+1,837
| +4% | +$245K |
|
1607
Genpact
G
$5.72B
| $6.89M | ﹤0.01% |
147,360
-155,533
| -51% | -$6.73M |
|
1608
PagSeguro Digital
PAGS
$2.39B
| $6.85M | ﹤0.01% |
710,742
+93,492
| +15% | +$897K |
|
1609
Kelly Services Class A
KELYA
$555M
| $6.85M | ﹤0.01% |
778,480
+46,818
| +6% | +$476K |
|
1610
Lakeland Financial Corp
LKFN
$1.56B
| $6.73M | ﹤0.01% |
118,001
-8,237
| -7% | -$490K |
|
1611
Paycom
PAYC
$9.84B
| $6.73M | ﹤0.01% |
42,242
-25,685
| -38% | -$4.55M |
|
|
OBE
1612
Obsidian Energy
OBE
$711M
| $6.72M | ﹤0.01% |
1,095,849
+77,572
| +8% | +$469K |
|
1613
Atmus Filtration Technologies
ATMU
$4.15B
| $6.68M | ﹤0.01% |
128,692
+62,105
| +93% | +$3.01M |
|
|
NTSK
1614
Netskope Inc
NTSK
$6.38B
| $6.67M | ﹤0.01% |
380,416
-9,851
| -3% | -$205K |
|
1615
Rogers Communications
RCI
$19.7B
| $6.63M | ﹤0.01% |
175,615
+30,472
| +21% | +$1.14M |
|
1616
Pilgrim's Pride
PPC
$6.62B
| $6.63M | ﹤0.01% |
169,988
-128,591
| -43% | -$4.94M |
|
1617
PRA Group
PRAA
$779M
| $6.61M | ﹤0.01% |
373,935
+85,858
| +30% | +$1.34M |
|
1618
Smith & Nephew
SNN
$12.5B
| $6.6M | ﹤0.01% |
201,084
+19,702
| +11% | +$675K |
|
1619
Olin
OLN
$2.16B
| $6.58M | ﹤0.01% |
315,654
+143,876
| +84% | +$3.1M |
|
1620
Seagate
STX
$219B
| $6.54M | ﹤0.01% |
23,765
+201
| +0.9% | +$52.2K |
|
1621
Gran Tierra Energy
GTE
$327M
| $6.54M | ﹤0.01% |
1,542,956
+25,593
| +2% | +$108K |
|
1622
Southern First Bancshares
SFST
$610M
| $6.47M | ﹤0.01% |
125,569
+19,360
| +18% | +$928K |
|
1623
Amplify Energy
AMPY
$197M
| $6.46M | ﹤0.01% |
1,413,450
-16,833
| -1% | -$83.8K |
|
1624
Douglas Dynamics
PLOW
$975M
| $6.46M | ﹤0.01% |
197,744
-50,823
| -20% | -$1.61M |
|
1625
Aurinia Pharmaceuticals
AUPH
$2.05B
| $6.43M | ﹤0.01% |
402,925
+95,485
| +31% | +$1.35M |
|
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.