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 | |
|---|---|---|---|---|---|---|
|
FPI
2701
Farmland Partners
FPI
$432M
| $203K | ﹤0.01% |
18,104
+902
| +5% | +$10.3K |
|
2702
Grid Dynamics Holdings
GDYN
$615M
| $202K | ﹤0.01% |
+35,500
| New | +$261K |
|
2703
Zura Bio
ZURA
$566M
| $201K | ﹤0.01% |
33,733
+12,350
| +58% | +$74.6K |
|
2704
Nkarta
NKTX
$172M
| $200K | ﹤0.01% |
94,851
-354
| -0.4% | -$792 |
|
|
BAND
2705
Bandwidth Inc
BAND
$1.61B
| $199K | ﹤0.01% |
+11,171
| New | +$164K |
|
2706
Crexendo
CXDO
$222M
| $198K | ﹤0.01% |
32,069
-498
| -2% | -$3.27K |
|
|
CMRC
2707
Commerce.com Inc Series 1
CMRC
$184M
| $197K | ﹤0.01% |
73,890
+13,714
| +23% | +$42.7K |
|
|
SRG
2708
Seritage Growth Properties
SRG
$136M
| $195K | ﹤0.01% |
69,270
| – | – |
|
2709
Black Diamond Therapeutics
BDTX
$112M
| $194K | ﹤0.01% |
91,046
-17,062
| -16% | -$40.6K |
|
2710
Altimmune
ALT
$599M
| $194K | ﹤0.01% |
+62,909
| New | +$267K |
|
2711
Herbalife
HLF
$1.29B
| $192K | ﹤0.01% |
+13,019
| New | +$213K |
|
|
UROY
2712
Uranium Royalty Corp
UROY
$1.58B
| $190K | ﹤0.01% |
51,804
+33,194
| +178% | +$136K |
|
|
LAND
2713
Gladstone Land Corp
LAND
$360M
| $190K | ﹤0.01% |
+18,581
| New | +$200K |
|
|
TWFG
2714
TWFG Inc
TWFG
$378M
| $189K | ﹤0.01% |
10,277
| – | – |
|
2715
GoodRx Holdings
GDRX
$1.26B
| $188K | ﹤0.01% |
96,010
+5,446
| +6% | +$12.8K |
|
2716
inTEST
INTT
$177M
| $184K | ﹤0.01% |
13,454
+2,642
| +24% | +$29K |
|
2717
Everspin Technologies
MRAM
$405M
| $183K | ﹤0.01% |
20,771
+6,613
| +47% | +$72.8K |
|
2718
ReposiTrak
TRAK
$159M
| $182K | ﹤0.01% |
23,981
| – | – |
|
2719
Immuneering
IMRX
$292M
| $180K | ﹤0.01% |
+34,224
| New | +$175K |
|
2720
CorMedix
CRMD
$584M
| $179K | ﹤0.01% |
+26,402
| New | +$195K |
|
2721
TechTarget
TTGT
$278M
| $179K | ﹤0.01% |
46,081
+10,924
| +31% | +$50.3K |
|
|
EEX
2722
DELISTED
Emerald Holding
EEX
| $177K | ﹤0.01% |
39,200
-572
| -1% | -$2.64K |
|
2723
Tonix Pharmaceuticals
TNXP
$192M
| $177K | ﹤0.01% |
12,850
| – | – |
|
2724
Valhi
VHI
$450M
| $175K | ﹤0.01% |
12,206
-1,026
| -8% | -$14.5K |
|
|
AGNT
2725
AGNT Inc
AGNT
$734M
| $174K | ﹤0.01% |
29,004
-8,623
| -23% | -$66.7K |
|
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.