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 | |
|---|---|---|---|---|---|---|
1626
TD Synnex
SNX
$20.6B
| $6.71M | ﹤0.01% |
39,760
-195,743
| -83% | -$30.8M |
|
1627
Lakeland Financial Corp
LKFN
$1.52B
| $6.64M | ﹤0.01% |
115,785
-2,216
| -2% | -$130K |
|
1628
Dianthus Therapeutics
DNTH
$6.14B
| $6.64M | ﹤0.01% |
79,096
+6,329
| +9% | +$367K |
|
1629
Universal Logistics Holdings
ULH
$509M
| $6.63M | ﹤0.01% |
313,808
+23,213
| +8% | +$397K |
|
1630
MDU Resources
MDU
$4.32B
| $6.62M | ﹤0.01% |
319,611
+137,812
| +76% | +$2.82M |
|
|
CSGS
1631
DELISTED
CSG Systems International
CSGS
| $6.62M | ﹤0.01% |
82,832
+82
| +0.1% | +$6.53K |
|
1632
Clean Harbors
CLH
$16.4B
| $6.57M | ﹤0.01% |
22,916
+4,633
| +25% | +$1.26M |
|
1633
Inter&Co
INTR
$2.35B
| $6.56M | ﹤0.01% |
823,818
-535,105
| -39% | -$4.64M |
|
1634
RingCentral
RNG
$5.35B
| $6.55M | ﹤0.01% |
176,130
-24,800
| -12% | -$799K |
|
1635
iShares Russell 2000 ETF
IWM
$82B
| $6.55M | ﹤0.01% |
26,400
-4,891
| -16% | -$1.26M |
|
1636
BioMarin Pharmaceuticals
BMRN
$13.4B
| $6.55M | ﹤0.01% |
115,882
+68,754
| +146% | +$4.01M |
|
1637
RPM International
RPM
$14.9B
| $6.54M | ﹤0.01% |
65,790
-1,925
| -3% | -$208K |
|
1638
Myers Industries
MYE
$1.24B
| $6.52M | ﹤0.01% |
307,976
-12,542
| -4% | -$264K |
|
1639
Southern California Bancorp
BCAL
$682M
| $6.52M | ﹤0.01% |
367,917
+219,673
| +148% | +$4.02M |
|
1640
Axalta
AXTA
$8.06B
| $6.51M | ﹤0.01% |
234,874
-1,888,686
| -89% | -$59.9M |
|
1641
Smith & Nephew
SNN
$12.6B
| $6.5M | ﹤0.01% |
204,656
+3,572
| +2% | +$122K |
|
1642
Live Nation Entertainment
LYV
$43.2B
| $6.5M | ﹤0.01% |
42,635
+2,700
| +7% | +$409K |
|
1643
Caledonia Mining Corp
CMCL
$435M
| $6.49M | ﹤0.01% |
287,212
-299,359
| -51% | -$8.35M |
|
1644
Cipher Digital
CIFR
$7.51B
| $6.47M | ﹤0.01% |
502,698
-1,552,174
| -76% | -$24.6M |
|
1645
Mine Safety
MSA
$7.58B
| $6.46M | ﹤0.01% |
39,378
+17,562
| +81% | +$3.21M |
|
1646
iShares MSCI Brazil Small-Cap ETF
EWZS
$217M
| $6.45M | ﹤0.01% |
+435,287
| New | +$6.3M |
|
1647
U-Haul Holding Co Series N
UHAL.B
$12.7B
| $6.41M | ﹤0.01% |
143,520
-9,615
| -6% | -$455K |
|
1648
iShares MSCI EAFE Small-Cap ETF
SCZ
$13.5B
| $6.39M | ﹤0.01% |
81,515
+67,781
| +494% | +$5.51M |
|
|
SVM
1649
Silvercorp Metals
SVM
$2.7B
| $6.39M | ﹤0.01% |
593,785
+408,952
| +221% | +$4.5M |
|
1650
Flexsteel Industries
FLXS
$304M
| $6.38M | ﹤0.01% |
142,027
+10,873
| +8% | +$504K |
|
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.