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 | |
|---|---|---|---|---|---|---|
326
Salesforce
CRM
$162B
| $128M | 0.07% |
688,097
-937,423
| -58% | -$194M |
|
327
Devon Energy
DVN
$49.9B
| $128M | 0.07% |
2,543,256
+150,073
| +6% | +$6.44M |
|
328
BorgWarner
BWA
$14.1B
| $128M | 0.07% |
2,356,993
-211,552
| -8% | -$11.2M |
|
329
Materion
MTRN
$5.83B
| $128M | 0.07% |
882,684
+361,308
| +69% | +$52.5M |
|
330
Lattice Semiconductor
LSCC
$18.2B
| $127M | 0.07% |
1,368,300
-377,583
| -22% | -$33.8M |
|
331
argenx
ARGX
$54.2B
| $127M | 0.07% |
173,700
-47,348
| -21% | -$37.1M |
|
|
SUNB
332
Sunbelt Rentals Holdings
SUNB
$32.3B
| $127M | 0.07% |
+2,015,224
| New | +$141M |
|
333
ASE Group
ASX
$82.7B
| $126M | 0.07% |
5,827,413
+1,596,097
| +38% | +$33.6M |
|
334
Kennametal
KMT
$2.41B
| $126M | 0.07% |
3,496,068
+343,497
| +11% | +$12.5M |
|
335
Home BancShares
HOMB
$6.17B
| $125M | 0.06% |
4,659,834
+83,001
| +2% | +$2.34M |
|
336
Ionis Pharmaceuticals
IONS
$9.46B
| $125M | 0.06% |
1,663,803
+46,697
| +3% | +$3.69M |
|
337
Phillips 66
PSX
$86B
| $125M | 0.06% |
684,461
+568,363
| +490% | +$89.1M |
|
338
Spectrum Brands
SPB
$2.02B
| $124M | 0.06% |
1,688,793
-346,875
| -17% | -$24.7M |
|
339
Kirby Corp
KEX
$7B
| $123M | 0.06% |
928,701
+263,222
| +40% | +$33.3M |
|
340
Granite Construction
GVA
$5.51B
| $123M | 0.06% |
1,028,320
-440,255
| -30% | -$55M |
|
341
Essent Group
ESNT
$6.23B
| $123M | 0.06% |
2,102,052
+558,575
| +36% | +$34.1M |
|
342
American Century US Quality Value ETF
VALQ
$340M
| $123M | 0.06% |
1,888,391
+145,985
| +8% | +$9.88M |
|
|
TPH
343
DELISTED
Tri Pointe Homes
TPH
| $122M | 0.06% |
2,621,344
-43,238
| -2% | -$1.76M |
|
344
Bread Financial
BFH
$4.38B
| $122M | 0.06% |
1,631,621
+100,501
| +7% | +$7.41M |
|
345
Amkor Technology
AMKR
$13.1B
| $122M | 0.06% |
2,713,260
-863,628
| -24% | -$41.4M |
|
346
IBM
IBM
$223B
| $122M | 0.06% |
502,704
-47,631
| -9% | -$12.9M |
|
347
Hancock Whitney
HWC
$6.23B
| $121M | 0.06% |
1,909,838
+70,358
| +4% | +$4.71M |
|
348
W.W. Grainger
GWW
$61.1B
| $120M | 0.06% |
110,059
+1,008
| +0.9% | +$1.1M |
|
349
Avantis International Small Cap Value ETF
AVDV
$19.7B
| $120M | 0.06% |
1,201,875
+163,980
| +16% | +$16.7M |
|
350
MetLife
MET
$61.7B
| $119M | 0.06% |
1,682,680
+118,564
| +8% | +$8.88M |
|
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.