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 | |
|---|---|---|---|---|---|---|
176
Gold Fields
GFI
$36.5B
| $210M | 0.11% |
4,615,253
+76,640
| +2% | +$3.85M |
|
177
Ciena
CIEN
$58.4B
| $208M | 0.11% |
535,842
+283,091
| +112% | +$86.6M |
|
178
Dana Inc
DAN
$3.06B
| $207M | 0.11% |
6,152,373
+255,711
| +4% | +$7.99M |
|
179
Archrock
AROC
$5.8B
| $206M | 0.11% |
5,922,116
+365,262
| +7% | +$11.7M |
|
180
TE Connectivity
TEL
$62.6B
| $206M | 0.11% |
985,881
-292,151
| -23% | -$64.5M |
|
|
AMRZ
181
Amrize Ltd
AMRZ
$25.8B
| $206M | 0.11% |
3,676,648
+1,503,124
| +69% | +$86.2M |
|
182
Visteon
VC
$2.78B
| $204M | 0.11% |
2,240,201
+158,979
| +8% | +$15M |
|
183
Burlington
BURL
$23.2B
| $204M | 0.11% |
626,837
-11,840
| -2% | -$3.63M |
|
184
Thermo Fisher Scientific
TMO
$220B
| $204M | 0.1% |
414,395
+41,929
| +11% | +$22.8M |
|
185
Booking.com
BKNG
$161B
| $203M | 0.1% |
1,203,750
-462,725
| -28% | -$85.1M |
|
186
HEICO Corp
HEI
$51.4B
| $201M | 0.1% |
731,650
-48,087
| -6% | -$15.5M |
|
187
Ametek
AME
$58.2B
| $200M | 0.1% |
932,630
+195,951
| +27% | +$43.5M |
|
188
TKO Group
TKO
$13.6B
| $199M | 0.1% |
984,624
+107,415
| +12% | +$22M |
|
189
Colgate-Palmolive
CL
$74.4B
| $197M | 0.1% |
2,315,341
+1,376,692
| +147% | +$123M |
|
190
Sysco
SYY
$40.3B
| $197M | 0.1% |
2,755,124
-1,084,564
| -28% | -$89.7M |
|
191
Avnet
AVT
$7.92B
| $196M | 0.1% |
3,181,792
+89,104
| +3% | +$5.3M |
|
192
Agnico Eagle Mines
AEM
$90.5B
| $196M | 0.1% |
964,734
-32,891
| -3% | -$6.85M |
|
193
Ross Stores
ROST
$81.9B
| $195M | 0.1% |
900,698
+104,935
| +13% | +$20.9M |
|
194
SouthState Bank Corp
SSB
$10.5B
| $195M | 0.1% |
2,108,590
+268,038
| +15% | +$26.3M |
|
195
Oneok
OKE
$54.5B
| $195M | 0.1% |
2,153,882
+35,805
| +2% | +$2.95M |
|
196
United Parcel Service
UPS
$88.9B
| $193M | 0.1% |
1,960,242
+340,987
| +21% | +$36.6M |
|
197
Palo Alto Networks
PANW
$297B
| $192M | 0.1% |
1,199,019
-107,282
| -8% | -$18M |
|
198
Sterling Infrastructure
STRL
$16.7B
| $192M | 0.1% |
471,576
-13,820
| -3% | -$5.4M |
|
199
CrowdStrike
CRWD
$218B
| $192M | 0.1% |
1,967,624
-132,020
| -6% | -$14M |
|
200
Noble Corp
NE
$6.51B
| $191M | 0.1% |
3,886,803
+298,462
| +8% | +$12.2M |
|
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.