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 | |
|---|---|---|---|---|---|---|
226
Travelers Companies
TRV
$80.2B
| $173M | 0.09% |
593,138
+7,836
| +1% | +$2.3M |
|
227
Dynatrace
DT
$14.2B
| $173M | 0.09% |
4,676,894
-2,592,599
| -36% | -$99.1M |
|
228
Realty Income
O
$59.1B
| $173M | 0.09% |
2,821,589
-608,510
| -18% | -$38.1M |
|
229
Wingstop
WING
$3.18B
| $172M | 0.09% |
1,110,036
-16,612
| -1% | -$3.99M |
|
230
Quest Diagnostics
DGX
$26.3B
| $170M | 0.09% |
867,331
-3,169
| -0.4% | -$616K |
|
231
T. Rowe Price
TROW
$24.3B
| $169M | 0.09% |
1,875,064
-63,316
| -3% | -$6.13M |
|
232
Cabot Corp
CBT
$4.52B
| $169M | 0.09% |
2,237,491
+217,569
| +11% | +$15.8M |
|
233
Kinross Gold
KGC
$32.8B
| $168M | 0.09% |
5,504,607
+289,490
| +6% | +$9.48M |
|
234
Shopify
SHOP
$195B
| $168M | 0.09% |
1,415,395
+344,063
| +32% | +$45.2M |
|
235
MSCI
MSCI
$40.9B
| $167M | 0.09% |
310,748
-99,210
| -24% | -$55.9M |
|
236
Equity Residential
EQR
$25.1B
| $167M | 0.09% |
2,831,009
+81,547
| +3% | +$5.03M |
|
237
Qualcomm
QCOM
$176B
| $167M | 0.09% |
1,298,783
-154,091
| -11% | -$22.5M |
|
238
Ventas
VTR
$47.9B
| $167M | 0.09% |
2,037,929
-200,173
| -9% | -$16.4M |
|
239
Nasdaq
NDAQ
$52.9B
| $166M | 0.09% |
1,951,147
-692,451
| -26% | -$62.1M |
|
|
240
Kenvue
KVUE
$36.9B
| $164M | 0.08% |
9,540,731
-17,196,792
| -64% | -$306M |
|
241
Reliance Steel & Aluminium
RS
$21.6B
| $164M | 0.08% |
541,053
-149,368
| -22% | -$47.4M |
|
242
Valaris
VAL
$5.47B
| $164M | 0.08% |
1,677,109
+145,168
| +9% | +$11.3M |
|
243
Boston Scientific
BSX
$71.5B
| $164M | 0.08% |
2,617,803
-1,984,391
| -43% | -$159M |
|
244
Kroger
KR
$34.8B
| $164M | 0.08% |
2,268,331
+3,711
| +0.2% | +$251K |
|
245
IQVIA
IQV
$39.3B
| $164M | 0.08% |
961,429
-35,010
| -4% | -$6.83M |
|
246
Teradyne
TER
$59.3B
| $163M | 0.08% |
550,691
-186,659
| -25% | -$52M |
|
247
Planet Labs
PL
$8.53B
| $162M | 0.08% |
5,813,758
+5,733,394
| +7,134% | +$147M |
|
248
Jackson Financial
JXN
$8.8B
| $161M | 0.08% |
1,526,708
+10,476
| +0.7% | +$1.17M |
|
|
CTRA
249
DELISTED
Coterra Energy
CTRA
| $160M | 0.08% |
4,548,020
-1,212,759
| -21% | -$36.5M |
|
250
Vistra
VST
$47.4B
| $159M | 0.08% |
1,058,936
-594,227
| -36% | -$96.2M |
|
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.