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 | |
|---|---|---|---|---|---|---|
301
Rocket Lab Corp
RKLB
$51.8B
| $138M | 0.07% |
2,145,891
-378,392
| -15% | -$28.5M |
|
302
HSBC
HSBC
$356B
| $138M | 0.07% |
1,667,686
+227,442
| +16% | +$19.3M |
|
|
TPC
303
Tutor Perini Cor
TPC
$5.21B
| $137M | 0.07% |
1,780,867
+355,815
| +25% | +$27.2M |
|
304
Airbnb
ABNB
$107B
| $137M | 0.07% |
1,085,678
+185,126
| +21% | +$24.1M |
|
305
Hartford Financial Services
HIG
$39.3B
| $136M | 0.07% |
1,008,526
-44,387
| -4% | -$6.06M |
|
306
Delta Air Lines
DAL
$60.1B
| $136M | 0.07% |
2,048,100
+93,749
| +5% | +$6.31M |
|
307
Dominion Energy
D
$59.3B
| $136M | 0.07% |
2,202,211
-1,754,315
| -44% | -$108M |
|
308
ArcBest
ARCB
$3.08B
| $136M | 0.07% |
1,382,114
+74,891
| +6% | +$7.1M |
|
309
Marriott International
MAR
$92.3B
| $136M | 0.07% |
414,915
+14,938
| +4% | +$4.91M |
|
310
Academy Sports + Outdoors
ASO
$2.98B
| $135M | 0.07% |
2,399,131
+118,861
| +5% | +$6.77M |
|
311
RBC Bearings
RBC
$18B
| $135M | 0.07% |
249,044
-25,283
| -9% | -$13.4M |
|
312
SLM Corp
SLM
$5.15B
| $135M | 0.07% |
6,315,595
+582,637
| +10% | +$13.8M |
|
313
Lantheus
LNTH
$6.59B
| $135M | 0.07% |
1,781,106
+1,012,076
| +132% | +$72.7M |
|
314
Willis Towers Watson
WTW
$32B
| $135M | 0.07% |
464,366
-179,778
| -28% | -$55.2M |
|
315
Parker-Hannifin
PH
$135B
| $135M | 0.07% |
150,675
+1,381
| +0.9% | +$1.31M |
|
316
Hudbay
HBM
$12.3B
| $134M | 0.07% |
6,398,893
-56,641
| -0.9% | -$1.32M |
|
317
GE HealthCare
GEHC
$32.4B
| $134M | 0.07% |
1,877,533
-1,118,171
| -37% | -$88.2M |
|
318
Oceaneering
OII
$4.77B
| $134M | 0.07% |
3,766,674
+158,584
| +4% | +$5.13M |
|
319
Helmerich & Payne
HP
$3.71B
| $134M | 0.07% |
3,705,443
+266,631
| +8% | +$9.09M |
|
320
Silicon Laboratories
SLAB
$7.23B
| $132M | 0.07% |
636,326
-15,661
| -2% | -$2.87M |
|
321
Prosperity Bancshares
PB
$8.89B
| $132M | 0.07% |
1,962,323
-69,692
| -3% | -$4.89M |
|
322
First Bancorp
FBP
$4.38B
| $131M | 0.07% |
6,155,648
-798,120
| -11% | -$17.2M |
|
323
Occidental Petroleum
OXY
$55.9B
| $131M | 0.07% |
2,014,811
+266,552
| +15% | +$13.4M |
|
|
EXE
324
Expand Energy Corp
EXE
$21.5B
| $131M | 0.07% |
1,189,108
+370,430
| +45% | +$39.6M |
|
325
Avantis Emerging Markets Value ETF
AVES
$1.49B
| $130M | 0.07% |
2,168,435
+396,206
| +22% | +$24.6M |
|
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.