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 | |
|---|---|---|---|---|---|---|
576
Minerals Technologies
MTX
$2.34B
| $72.3M | 0.04% |
1,018,766
-299,382
| -23% | -$20.6M |
|
577
Cognex
CGNX
$11.3B
| $72.2M | 0.04% |
1,472,969
+523,554
| +55% | +$24.4M |
|
578
Bank of Hawaii
BOH
$3.13B
| $71.9M | 0.04% |
967,711
+209,059
| +28% | +$15.6M |
|
579
CRH
CRH
$66.8B
| $71.7M | 0.04% |
682,088
-973,312
| -59% | -$114M |
|
580
Mercury Insurance
MCY
$6.07B
| $71.7M | 0.04% |
813,320
+113,829
| +16% | +$10.2M |
|
581
Kulicke & Soffa
KLIC
$4.78B
| $71.6M | 0.04% |
1,090,103
-507,444
| -32% | -$32.2M |
|
582
Central Garden & Pet Co Class A
CENTA
$2.44B
| $71.6M | 0.04% |
2,209,215
+234,491
| +12% | +$7.48M |
|
583
XPO
XPO
$23.7B
| $71.6M | 0.04% |
368,133
+108,056
| +42% | +$19.4M |
|
584
Church & Dwight Co
CHD
$24.5B
| $71.5M | 0.04% |
765,738
-76,570
| -9% | -$7.36M |
|
585
Crocs
CROX
$6.55B
| $71.4M | 0.04% |
859,874
+43,207
| +5% | +$3.7M |
|
586
Perdoceo Education
PRDO
$2.12B
| $70.9M | 0.04% |
1,905,355
+46,829
| +3% | +$1.55M |
|
587
Estee Lauder
EL
$32B
| $70.9M | 0.04% |
987,533
-1,086,108
| -52% | -$111M |
|
588
Twilio
TWLO
$36.6B
| $70.8M | 0.04% |
562,606
+162,685
| +41% | +$20M |
|
|
VSXY
589
Victoria's Secret
VSXY
$7.83B
| $70.7M | 0.04% |
1,523,949
+1,910
| +0.1% | +$107K |
|
590
DoorDash
DASH
$93.7B
| $70.6M | 0.04% |
470,467
+31,103
| +7% | +$5.75M |
|
591
Allegiant Air
ALGT
$2.57B
| $70.6M | 0.04% |
871,364
+147,606
| +20% | +$13.6M |
|
592
Boyd Gaming
BYD
$6.06B
| $70.6M | 0.04% |
858,854
-50,872
| -6% | -$4.27M |
|
593
Comfort Systems
FIX
$59.6B
| $70.5M | 0.04% |
51,120
-62,950
| -55% | -$79.9M |
|
594
Waters Corp
WAT
$39.9B
| $70.1M | 0.04% |
235,371
+215,048
| +1,058% | +$73.6M |
|
595
Palomar
PLMR
$3.45B
| $70M | 0.04% |
585,710
+126,701
| +28% | +$15.8M |
|
596
Alphatec Holdings
ATEC
$1.44B
| $69.9M | 0.04% |
6,424,777
-84,685
| -1% | -$1.23M |
|
597
Boise Cascade
BCC
$3.02B
| $69.8M | 0.04% |
919,627
+4,957
| +0.5% | +$397K |
|
598
Harmony Gold Mining
HMY
$12.3B
| $69.5M | 0.04% |
4,521,128
+454,645
| +11% | +$8.99M |
|
599
WaFd
WAFD
$2.75B
| $69.4M | 0.04% |
2,210,347
+107,447
| +5% | +$3.46M |
|
600
HCA Healthcare
HCA
$89.5B
| $69.3M | 0.04% |
146,510
-51,876
| -26% | -$26.1M |
|
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.