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 | |
|---|---|---|---|---|---|---|
676
CarMax
KMX
$8.4B
| $57.8M | 0.03% |
1,390,912
+658,741
| +90% | +$28.8M |
|
677
Wayfair
W
$14.6B
| $57.8M | 0.03% |
768,548
+79,084
| +11% | +$7.15M |
|
678
Kaiser Aluminum
KALU
$3.01B
| $57.7M | 0.03% |
478,796
-114,290
| -19% | -$14.5M |
|
679
Ingles Markets
IMKTA
$1.66B
| $57.6M | 0.03% |
641,245
+68,077
| +12% | +$5.52M |
|
680
MarineMax
HZO
$1.15B
| $57.4M | 0.03% |
2,120,402
-44,756
| -2% | -$1.24M |
|
681
Mitsubishi UFJ Financial
MUFG
$250B
| $57.3M | 0.03% |
3,373,906
+420,236
| +14% | +$7.48M |
|
|
MH
682
McGraw Hill
MH
$2.21B
| $57.2M | 0.03% |
4,177,714
+803,996
| +24% | +$11.3M |
|
683
Aptiv
APTV
$10.1B
| $57.2M | 0.03% |
823,551
+69,849
| +9% | +$5.38M |
|
684
Apollo Global Management
APO
$73.9B
| $56.9M | 0.03% |
511,066
-74,386
| -13% | -$9.22M |
|
685
Enterprise Financial Services Corp
EFSC
$2.38B
| $56.9M | 0.03% |
1,052,353
+115,497
| +12% | +$6.51M |
|
686
Klaviyo
KVYO
$4.85B
| $56.9M | 0.03% |
2,923,295
+27,991
| +1% | +$600K |
|
687
Piper Sandler
PIPR
$5.29B
| $56.8M | 0.03% |
741,943
-63,533
| -8% | -$5.21M |
|
688
XP
XP
$8.32B
| $56.8M | 0.03% |
2,982,040
+491,733
| +20% | +$9.5M |
|
689
Protagonist Therapeutics
PTGX
$9.6B
| $56.6M | 0.03% |
537,320
+1,897
| +0.4% | +$168K |
|
690
RenaissanceRe
RNR
$13.3B
| $56.6M | 0.03% |
190,525
+12,781
| +7% | +$3.71M |
|
691
Huntsman Corp
HUN
$1.78B
| $56.6M | 0.03% |
4,252,867
+2,739,662
| +181% | +$33.2M |
|
692
MYR Group
MYRG
$5.28B
| $56.5M | 0.03% |
200,019
+136,880
| +217% | +$35.6M |
|
693
SGHC Ltd
SGHC
$6.59B
| $56.3M | 0.03% |
5,216,779
-151,238
| -3% | -$1.54M |
|
694
Vermilion Energy
VET
$1.73B
| $56.2M | 0.03% |
4,081,222
+154,556
| +4% | +$1.64M |
|
695
Texas Roadhouse
TXRH
$13.8B
| $56.2M | 0.03% |
340,494
+16,069
| +5% | +$2.88M |
|
696
DHT Holdings
DHT
$3.03B
| $56.2M | 0.03% |
3,075,226
-1,940,786
| -39% | -$30.9M |
|
697
Coupang
CPNG
$28.9B
| $56.1M | 0.03% |
2,972,013
+198,642
| +7% | +$3.89M |
|
698
Diebold Nixdorf
DBD
$2.53B
| $56M | 0.03% |
742,736
+143,635
| +24% | +$10.6M |
|
699
Sanmina
SANM
$11B
| $56M | 0.03% |
431,872
+76,035
| +21% | +$11.2M |
|
700
Birkenstock
BIRK
$7.17B
| $56M | 0.03% |
1,562,241
+503,481
| +48% | +$19.6M |
|
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.