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 | |
|---|---|---|---|---|---|---|
1601
Federated Hermes
FHI
$4.71B
| $7.19M | ﹤0.01% |
126,700
+51,627
| +69% | +$2.83M |
|
1602
Huron Consulting
HURN
$2.42B
| $7.18M | ﹤0.01% |
56,304
-166,706
| -75% | -$25.1M |
|
1603
Pinterest
PINS
$13.8B
| $7.16M | ﹤0.01% |
390,514
-2,888,579
| -88% | -$60.3M |
|
1604
AZZ Inc
AZZ
$4.58B
| $7.13M | ﹤0.01% |
56,971
+22,653
| +66% | +$2.86M |
|
1605
Simmons First National
SFNC
$3.4B
| $7.11M | ﹤0.01% |
365,739
-463
| -0.1% | -$9.24K |
|
1606
Plains GP Holdings
PAGP
$4.98B
| $7.1M | ﹤0.01% |
292,466
+76,131
| +35% | +$1.66M |
|
1607
Federal Signal
FSS
$7.74B
| $7.06M | ﹤0.01% |
65,309
-1,665
| -2% | -$188K |
|
1608
SIGA Technologies
SIGA
$211M
| $7.05M | ﹤0.01% |
1,317,784
+152,295
| +13% | +$950K |
|
1609
Haemonetics
HAE
$3.94B
| $7.05M | ﹤0.01% |
125,029
+55,192
| +79% | +$3.59M |
|
1610
Motorcar Parts of America
MPAA
$235M
| $7.02M | ﹤0.01% |
635,043
+57,615
| +10% | +$662K |
|
1611
Plug Power
PLUG
$2.94B
| $6.9M | ﹤0.01% |
3,055,061
+46,162
| +2% | +$100K |
|
1612
Bloomin' Brands
BLMN
$944M
| $6.88M | ﹤0.01% |
1,274,707
+336,046
| +36% | +$2.15M |
|
|
CUK
1613
DELISTED
Carnival PLC
CUK
| $6.86M | ﹤0.01% |
266,301
+73,112
| +38% | +$2.12M |
|
1614
Pilgrim's Pride
PPC
$6.31B
| $6.85M | ﹤0.01% |
181,362
+11,374
| +7% | +$459K |
|
1615
Cullen/Frost Bankers
CFR
$10.3B
| $6.85M | ﹤0.01% |
49,938
+8,829
| +21% | +$1.22M |
|
1616
HighPeak Energy
HPK
$1B
| $6.83M | ﹤0.01% |
990,183
+12,567
| +1% | +$66K |
|
1617
Rollins
ROL
$17.9B
| $6.83M | ﹤0.01% |
127,903
-90,593
| -41% | -$5.39M |
|
1618
Park National Corp
PRK
$3.63B
| $6.81M | ﹤0.01% |
41,683
+61
| +0.1% | +$9.98K |
|
1619
Donegal Group Class A
DGICA
$693M
| $6.8M | ﹤0.01% |
395,979
+83,759
| +27% | +$1.52M |
|
|
FPS
1620
Forgent Power Solutions
FPS
$9.77B
| $6.79M | ﹤0.01% |
+231,835
| New | +$7.72M |
|
|
MOMO
1621
Hello Group
MOMO
$870M
| $6.78M | ﹤0.01% |
1,177,207
+219,699
| +23% | +$1.42M |
|
1622
Brown-Forman Class B
BF.B
$12.9B
| $6.75M | ﹤0.01% |
255,332
+159,675
| +167% | +$4.29M |
|
1623
General Mills
GIS
$19.9B
| $6.75M | ﹤0.01% |
181,262
-466,190
| -72% | -$20.2M |
|
1624
Hawaiian Electric Industries
HE
$2.02B
| $6.75M | ﹤0.01% |
454,532
+83,575
| +23% | +$1.26M |
|
1625
Jack Henry & Associates
JKHY
$11B
| $6.73M | ﹤0.01% |
42,615
+14,686
| +53% | +$2.52M |
|
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.