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 |
Amphenol
APH
|
+$460M |
| 2 |
Broadcom
AVGO
|
+$298M |
| 3 |
Sysco
SYY
|
+$225M |
| 4 |
MRSH
Marsh
MRSH
|
+$200M |
| 5 |
Ascendis Pharma A/S
ASND
|
+$186M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$573M |
| 2 |
Visa
V
|
+$465M |
| 3 |
Apple
AAPL
|
+$461M |
| 4 |
Alphabet (Google) Class A
GOOGL
|
+$363M |
| 5 |
Alphabet (Google) Class C
GOOG
|
+$358M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 26.8% |
| 2 | Financials | 13.6% |
| 3 | Consumer Discretionary | 12.52% |
| 4 | Industrials | 10.05% |
| 5 | Healthcare | 9.86% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
376
Veeva Systems
VEEV
$39.2B
| $109M | 0.05% |
489,674
+104,768
| +27% | +$27.8M |
|
377
Assured Guaranty
AGO
$3.33B
| $109M | 0.05% |
1,212,155
+67,101
| +6% | +$5.79M |
|
378
Madrigal Pharmaceuticals
MDGL
$11.9B
| $108M | 0.05% |
185,116
+19,501
| +12% | +$9.96M |
|
379
Louisiana-Pacific
LPX
$5.18B
| $108M | 0.05% |
1,334,371
+645,599
| +94% | +$54.5M |
|
380
Hayward Holdings
HAYW
$3.23B
| $108M | 0.05% |
6,962,216
+312,125
| +5% | +$4.93M |
|
381
Roblox
RBLX
$26.4B
| $107M | 0.05% |
1,324,403
+2,573
| +0.2% | +$273K |
|
382
Ryman Hospitality Properties
RHP
$7.91B
| $107M | 0.05% |
1,129,691
-25,202
| -2% | -$2.33M |
|
383
LCI Industries
LCII
$2.61B
| $107M | 0.05% |
880,641
+10,187
| +1% | +$1.08M |
|
384
Bath & Body Works
BBWI
$3.69B
| $107M | 0.05% |
5,313,901
+139,531
| +3% | +$3.08M |
|
385
Comfort Systems
FIX
$61.6B
| $106M | 0.05% |
114,070
+7,742
| +7% | +$7.15M |
|
386
Pegasystems
PEGA
$5.23B
| $106M | 0.05% |
1,782,082
+195,289
| +12% | +$11.4M |
|
387
Mercado Libre
MELI
$92.6B
| $106M | 0.05% |
52,705
-67,024
| -56% | -$141M |
|
388
SiTime
SITM
$21.2B
| $105M | 0.05% |
298,337
-7,810
| -3% | -$2.44M |
|
389
Carnival Corporation Ltd
CCL
$38.8B
| $105M | 0.05% |
3,445,049
+14,688
| +0.4% | +$410K |
|
390
American Century Multisector Income ETF
MUSI
$249M
| $104M | 0.05% |
2,362,473
+301,296
| +15% | +$13.3M |
|
391
Vulcan Materials
VMC
$36.2B
| $104M | 0.05% |
364,825
+102,593
| +39% | +$30.1M |
|
392
HP
HPQ
$27.8B
| $104M | 0.05% |
4,651,490
-405,834
| -8% | -$10.3M |
|
393
Sanofi
SNY
$105B
| $104M | 0.05% |
2,138,154
-200,815
| -9% | -$9.95M |
|
394
Avantis Emerging Markets Value ETF
AVES
$1.5B
| $103M | 0.05% |
1,772,229
+187,114
| +12% | +$10.8M |
|
395
HubSpot
HUBS
$10.7B
| $103M | 0.05% |
257,347
-23,011
| -8% | -$9.53M |
|
396
Bankunited
BKU
$3.39B
| $103M | 0.05% |
2,313,438
+149,502
| +7% | +$6.19M |
|
397
American International
AIG
$39.8B
| $103M | 0.05% |
1,204,488
+111,229
| +10% | +$8.9M |
|
398
Yeti Holdings
YETI
$3.36B
| $103M | 0.05% |
2,327,980
+346,027
| +17% | +$13.3M |
|
399
NMI Holdings
NMIH
$3.4B
| $103M | 0.05% |
2,512,957
+133,156
| +6% | +$5.03M |
|
400
Trane Technologies
TT
$106B
| $102M | 0.05% |
262,450
+16,626
| +7% | +$6.88M |
|
Similar funds
American Century Companies's Q4 2025 Portfolio in Review
As of Q4 2025, American Century Companies held 2,902 positions worth $199B, up 1.2% from $197B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
American Century Companies's Q4 2025 filing shows 123 new, 1,653 increased, 947 reduced and 91 closed positions. Its largest new stake was Amrize Ltd: 2,173,524 shares worth $118M. The largest sale was NVIDIA, an estimated $573M.
By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 28% a quarter earlier, followed by Financials and Consumer Discretionary.
- American Century Companies's largest Q4 2025 buy was Amrize Ltd: 2,173,524 shares worth $118M.
- American Century Companies added most to Amphenol in Q4 2025, an estimated $460M increase.
- American Century Companies's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $573M.
- American Century Companies fully exited Premier in Q4 2025, selling an estimated $91.5M.
- American Century Companies's ten largest holdings make up 27% of its $199B portfolio in Q4 2025.
- American Century Companies opened 123 new positions and closed 91 in Q4 2025.
- American Century Companies's portfolio value rose 1.2% quarter-over-quarter to $199B.
Based on American Century Companies's 13F filing for Q4 2025, filed 13 Feb 2026.