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 | |
|---|---|---|---|---|---|---|
2401
Stoke Therapeutics
STOK
$2.09B
| $762K | ﹤0.01% |
23,397
-91,721
| -80% | -$3.01M |
|
|
SMA
2402
SmartStop Self Storage REIT
SMA
$1.86B
| $759K | ﹤0.01% |
25,080
-620,619
| -96% | -$19.9M |
|
2403
Tenable Holdings
TENB
$4.24B
| $756K | ﹤0.01% |
44,702
+18,009
| +67% | +$378K |
|
2404
Tredegar Corp
TG
$299M
| $753K | ﹤0.01% |
94,663
+38,094
| +67% | +$318K |
|
2405
Primis Financial Corp
FRST
$403M
| $751K | ﹤0.01% |
56,572
-558
| -1% | -$7.49K |
|
2406
The RMR Group
RMR
$329M
| $748K | ﹤0.01% |
48,347
+17,991
| +59% | +$292K |
|
2407
SS&C Technologies
SSNC
$18.6B
| $737K | ﹤0.01% |
10,906
-33,043
| -75% | -$2.54M |
|
|
BCPC
2408
Balchem Corp
BCPC
$5.69B
| $736K | ﹤0.01% |
4,343
+524
| +14% | +$89K |
|
2409
Cadre Holdings
CDRE
$1.41B
| $734K | ﹤0.01% |
23,912
+16,891
| +241% | +$675K |
|
2410
Oak Valley Bancorp
OVLY
$278M
| $731K | ﹤0.01% |
22,529
+1,485
| +7% | +$47.6K |
|
2411
Personalis
PSNL
$1.54B
| $731K | ﹤0.01% |
114,683
+682
| +0.6% | +$5.76K |
|
2412
Albertsons Companies
ACI
$5.86B
| $730K | ﹤0.01% |
42,866
-896
| -2% | -$15.6K |
|
2413
Revolve Group
RVLV
$1.73B
| $726K | ﹤0.01% |
32,101
+21,871
| +214% | +$574K |
|
2414
American Outdoor Brands
AOUT
$162M
| $725K | ﹤0.01% |
77,618
-6,517
| -8% | -$57.7K |
|
|
ITIC
2415
Investors Title Co
ITIC
$540M
| $724K | ﹤0.01% |
3,333
+73
| +2% | +$17.6K |
|
2416
Five Point Holdings
FPH
$368M
| $722K | ﹤0.01% |
149,105
-10,142
| -6% | -$54.5K |
|
2417
Mistras Group
MG
$503M
| $721K | ﹤0.01% |
48,798
+1,430
| +3% | +$20.6K |
|
|
SFIX
2418
Stitch Fix
SFIX
$539M
| $721K | ﹤0.01% |
217,809
-40,453
| -16% | -$165K |
|
2419
Ponce Financial Group
PDLB
$483M
| $717K | ﹤0.01% |
42,894
+22,127
| +107% | +$365K |
|
2420
TFS Financial
TFSL
$4.91B
| $714K | ﹤0.01% |
50,804
+29,762
| +141% | +$421K |
|
2421
Dream Finders Homes
DFH
$1.28B
| $711K | ﹤0.01% |
51,071
+265
| +0.5% | +$4.71K |
|
2422
Keros Therapeutics
KROS
$215M
| $709K | ﹤0.01% |
64,260
+27,620
| +75% | +$427K |
|
2423
Travere Therapeutics
TVTX
$5.8B
| $708K | ﹤0.01% |
+23,814
| New | +$712K |
|
2424
Gevo
GEVO
$380M
| $702K | ﹤0.01% |
257,130
+87,212
| +51% | +$181K |
|
2425
Krystal Biotech
KRYS
$9.78B
| $702K | ﹤0.01% |
+2,717
| New | +$723K |
|
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.