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 | |
|---|---|---|---|---|---|---|
|
NUVL
801
DELISTED
Nuvalent
NUVL
| $44.2M | 0.02% |
431,067
+56,835
| +15% | +$5.79M |
|
802
Lumentum
LITE
$63.3B
| $44.1M | 0.02% |
+62,786
| New | +$34.5M |
|
|
NPKI
803
NPK International
NPKI
$1.15B
| $44.1M | 0.02% |
3,043,763
-27,877
| -0.9% | -$387K |
|
804
Hamilton Lane
HLNE
$5.53B
| $44.1M | 0.02% |
443,232
-50,013
| -10% | -$6.14M |
|
805
CVS Health
CVS
$122B
| $43.8M | 0.02% |
609,822
+160,352
| +36% | +$12.4M |
|
806
Ferguson
FERG
$51.2B
| $43.6M | 0.02% |
187,127
-9,028
| -5% | -$2.2M |
|
807
Weis Markets
WMK
$1.78B
| $43.6M | 0.02% |
637,485
+52,295
| +9% | +$3.58M |
|
808
Nabors Industries
NBR
$1.33B
| $43.5M | 0.02% |
505,900
+84,389
| +20% | +$6.12M |
|
809
Host Hotels & Resorts
HST
$15.5B
| $43.5M | 0.02% |
2,269,303
-379,552
| -14% | -$7.24M |
|
810
Nelnet
NNI
$4.53B
| $43.3M | 0.02% |
335,702
+71,427
| +27% | +$9.38M |
|
811
ADMA Biologics
ADMA
$2.18B
| $43.1M | 0.02% |
4,789,011
-409,368
| -8% | -$6.46M |
|
812
Scotiabank
BNS
$108B
| $43.1M | 0.02% |
621,748
+105,299
| +20% | +$7.72M |
|
813
Flutter Entertainment
FLUT
$16.4B
| $43.1M | 0.02% |
422,738
+3,063
| +0.7% | +$441K |
|
814
Mizuho Financial
MFG
$127B
| $43M | 0.02% |
5,421,544
+1,046,421
| +24% | +$8.86M |
|
815
InterDigital
IDCC
$8.99B
| $43M | 0.02% |
142,403
-41,837
| -23% | -$14.2M |
|
|
SNDK
816
Sandisk
SNDK
$181B
| $42.7M | 0.02% |
67,152
-25,193
| -27% | -$14.2M |
|
817
Gulfport Energy Corp
GPOR
$2.97B
| $42.7M | 0.02% |
201,629
+77,695
| +63% | +$15.4M |
|
|
ARX
818
Accelerant Holdings
ARX
$2.63B
| $42.6M | 0.02% |
3,188,505
+1,660,054
| +109% | +$21M |
|
819
Skyward Specialty Insurance
SKWD
$2.51B
| $42.6M | 0.02% |
975,027
+285,480
| +41% | +$13M |
|
820
Mercury Systems
MRCY
$6.52B
| $42.5M | 0.02% |
582,895
+343,963
| +144% | +$30M |
|
821
Bristow Group
VTOL
$1.38B
| $42.4M | 0.02% |
904,962
+44,723
| +5% | +$1.97M |
|
|
GLIBK
822
Liberty Capital Corp Series C GCI Group Common Stock
GLIBK
$1.01B
| $42.3M | 0.02% |
1,136,919
+696,187
| +158% | +$26.3M |
|
823
Vontier
VNT
$4.63B
| $42.1M | 0.02% |
1,188,311
+1,159,975
| +4,094% | +$44.7M |
|
824
Seaboard Corp
SEB
$4.06B
| $42.1M | 0.02% |
7,450
+985
| +15% | +$4.94M |
|
825
Banco Bradesco
BBD
$36.3B
| $42M | 0.02% |
11,509,099
+1,259,671
| +12% | +$4.78M |
|
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.