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 | |
|---|---|---|---|---|---|---|
726
RenaissanceRe
RNR
$13.3B
| $50M | 0.03% |
177,744
+13,307
| +8% | +$3.5M |
|
727
Extra Space Storage
EXR
$31.6B
| $49.9M | 0.03% |
383,303
-16,160
| -4% | -$2.2M |
|
728
JB Hunt Transport Services
JBHT
$26.5B
| $49.9M | 0.03% |
256,834
+22,363
| +10% | +$3.84M |
|
729
Regal Rexnord
RRX
$11.4B
| $49.9M | 0.03% |
355,541
+22,454
| +7% | +$3.19M |
|
|
FLOC
730
Flowco Holdings
FLOC
$1B
| $49.9M | 0.03% |
2,661,753
-109,164
| -4% | -$1.82M |
|
731
United Rentals
URI
$69.7B
| $49.8M | 0.03% |
61,559
-44,565
| -42% | -$38.7M |
|
732
Crinetics Pharmaceuticals
CRNX
$8.96B
| $49.8M | 0.03% |
1,068,878
-64,657
| -6% | -$2.88M |
|
733
NXP Semiconductors
NXPI
$58.5B
| $49.6M | 0.02% |
228,620
-34,404
| -13% | -$7.38M |
|
734
Jazz Pharmaceuticals
JAZZ
$16B
| $49.5M | 0.02% |
291,359
+74,928
| +35% | +$11.5M |
|
735
Mueller Water Products
MWA
$3.98B
| $49.5M | 0.02% |
2,076,479
-1,042,316
| -33% | -$25.8M |
|
736
Cameco
CCJ
$42.6B
| $49.4M | 0.02% |
540,238
+17,288
| +3% | +$1.56M |
|
737
Baytex Energy
BTE
$3B
| $49.2M | 0.02% |
15,193,883
+960,294
| +7% | +$2.68M |
|
738
SiteOne Landscape Supply
SITE
$4.27B
| $49.1M | 0.02% |
394,170
+10,439
| +3% | +$1.32M |
|
739
Graco
GGG
$13.3B
| $49M | 0.02% |
597,480
+211,602
| +55% | +$17.4M |
|
740
ABM Industries
ABM
$2.82B
| $48.5M | 0.02% |
1,146,526
-358,912
| -24% | -$15.8M |
|
741
Petrobras Class A
PBR.A
$104B
| $48.5M | 0.02% |
4,301,442
+508,356
| +13% | +$5.87M |
|
742
iShares Russell 1000 Growth ETF
IWF
$129B
| $48.4M | 0.02% |
408,940
-608,564
| -60% | -$72.1M |
|
743
Toronto Dominion Bank
TD
$203B
| $48.3M | 0.02% |
512,138
+156,774
| +44% | +$13.2M |
|
744
Lloyds Banking Group
LYG
$90B
| $48.2M | 0.02% |
9,093,989
+981,713
| +12% | +$4.75M |
|
745
Trex
TREX
$5.1B
| $48.1M | 0.02% |
1,372,080
-819,392
| -37% | -$33.1M |
|
746
BJs Wholesale Club
BJ
$11.9B
| $47.7M | 0.02% |
529,741
-117,353
| -18% | -$10.8M |
|
747
Monarch Casino & Resort
MCRI
$2.2B
| $47.5M | 0.02% |
496,720
+5,320
| +1% | +$512K |
|
748
Host Hotels & Resorts
HST
$15.6B
| $47M | 0.02% |
2,648,855
+1,164,337
| +78% | +$20.1M |
|
749
Mitsubishi UFJ Financial
MUFG
$260B
| $46.8M | 0.02% |
2,953,670
+375,796
| +15% | +$5.81M |
|
750
Protagonist Therapeutics
PTGX
$9.8B
| $46.8M | 0.02% |
535,423
-64,624
| -11% | -$5.29M |
|
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.