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 | |
|---|---|---|---|---|---|---|
626
Seadrill
SDRL
$2.7B
| $65.1M | 0.03% |
1,430,743
+214,159
| +18% | +$8.74M |
|
627
Sylvamo
SLVM
$1.63B
| $65.1M | 0.03% |
1,540,824
+168,765
| +12% | +$7.9M |
|
628
Alamos Gold
AGI
$13.9B
| $65M | 0.03% |
1,462,972
+73,974
| +5% | +$3.26M |
|
629
Mohawk Industries
MHK
$9.22B
| $65M | 0.03% |
660,317
-377,983
| -36% | -$44M |
|
630
Hillman Solutions
HLMN
$1.79B
| $64.9M | 0.03% |
7,805,474
+1,031,876
| +15% | +$9.32M |
|
631
Samsara
IOT
$23.8B
| $64.9M | 0.03% |
2,046,939
+485,832
| +31% | +$14.8M |
|
632
HP
HPQ
$27.5B
| $64.8M | 0.03% |
3,374,596
-1,276,894
| -27% | -$24.8M |
|
633
OFG Bancorp
OFG
$2.21B
| $64.8M | 0.03% |
1,600,499
+88,626
| +6% | +$3.59M |
|
634
MKS Inc
MKSI
$20.6B
| $64.6M | 0.03% |
280,965
-116,599
| -29% | -$26.4M |
|
635
First American
FAF
$7.58B
| $64.5M | 0.03% |
1,069,789
+718,930
| +205% | +$46M |
|
636
ING
ING
$102B
| $64.5M | 0.03% |
2,474,268
+510,759
| +26% | +$14.4M |
|
637
Flowserve
FLS
$10.2B
| $64.3M | 0.03% |
874,518
+619,093
| +242% | +$49M |
|
638
LyondellBasell Industries
LYB
$19.2B
| $64.2M | 0.03% |
797,262
+112,300
| +16% | +$6.66M |
|
639
Boot Barn
BOOT
$4.95B
| $64.2M | 0.03% |
438,304
-89,505
| -17% | -$16.2M |
|
640
Advanced Micro Devices
AMD
$789B
| $63.8M | 0.03% |
313,695
+69,083
| +28% | +$14.8M |
|
641
Ashland
ASH
$3.5B
| $63.4M | 0.03% |
1,140,699
-75,596
| -6% | -$4.47M |
|
642
Banco Santander
SAN
$210B
| $63.4M | 0.03% |
5,618,010
+691,332
| +14% | +$8.24M |
|
643
Deckers Outdoor
DECK
$13.3B
| $63.2M | 0.03% |
630,951
+60,412
| +11% | +$6.48M |
|
|
ARIS
644
Aris Mining
ARIS
$3.59B
| $63.1M | 0.03% |
3,399,282
+782,811
| +30% | +$14.8M |
|
645
State Street SPDR Portfolio High Yield Bond ETF
SPHY
$12B
| $62.6M | 0.03% |
2,684,871
-30,827
| -1% | -$727K |
|
646
Viatris
VTRS
$18.9B
| $62.5M | 0.03% |
4,629,065
+596,271
| +15% | +$8.34M |
|
647
Amgen
AMGN
$222B
| $62.5M | 0.03% |
177,650
+48,991
| +38% | +$17.5M |
|
|
SLDE
648
Slide Insurance Holdings
SLDE
$2.47B
| $62.2M | 0.03% |
3,453,182
+1,203,022
| +53% | +$21.1M |
|
649
Jazz Pharmaceuticals
JAZZ
$16.7B
| $62.1M | 0.03% |
328,657
+37,298
| +13% | +$6.52M |
|
650
HealthEquity
HQY
$8.75B
| $62.1M | 0.03% |
742,849
-4,549
| -0.6% | -$373K |
|
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.