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 | |
|---|---|---|---|---|---|---|
|
1
NVIDIA
NVDA
$4.76T
| $10.6B | 5.48% |
61,043,097
-2,269,310
| -4% | -$416M |
|
|
2
Apple
AAPL
$4.95T
| $6.4B | 3.29% |
25,211,083
-819,746
| -3% | -$213M |
|
|
3
Microsoft
MSFT
$2.89T
| $5.98B | 3.08% |
16,151,639
+1,027,241
| +7% | +$430M |
|
|
4
Amazon
AMZN
$2.49T
| $5.05B | 2.6% |
24,268,620
-2,331,760
| -9% | -$513M |
|
|
5
Alphabet (Google) Class A
GOOGL
$3.99T
| $5.03B | 2.59% |
17,490,949
-1,401,343
| -7% | -$440M |
|
6
Broadcom
AVGO
$1.82T
| $2.95B | 1.52% |
9,541,206
+188,217
| +2% | +$61.9M |
|
7
Meta Platforms (Facebook)
META
$1.51T
| $2.86B | 1.47% |
4,992,476
-40,582
| -0.8% | -$26M |
|
|
8
Alphabet (Google) Class C
GOOG
$3.99T
| $2.69B | 1.39% |
9,380,500
-428,627
| -4% | -$135M |
|
9
Mastercard
MA
$487B
| $2.68B | 1.38% |
5,361,694
-139,552
| -3% | -$73.5M |
|
10
Tesla
TSLA
$1.22T
| $2.51B | 1.29% |
6,762,692
-94,883
| -1% | -$39.1M |
|
11
TSMC
TSM
$2.07T
| $2.15B | 1.1% |
6,348,986
-386,225
| -6% | -$133M |
|
12
Netflix
NFLX
$293B
| $1.87B | 0.96% |
19,401,508
+1,888,837
| +11% | +$166M |
|
13
Costco
COST
$422B
| $1.8B | 0.93% |
1,806,389
+64,878
| +4% | +$63.2M |
|
14
Eli Lilly
LLY
$1.07T
| $1.7B | 0.87% |
1,845,922
-16,031
| -0.9% | -$16.3M |
|
15
Applied Materials
AMAT
$410B
| $1.21B | 0.62% |
3,543,844
-84,753
| -2% | -$28.5M |
|
16
JPMorgan Chase
JPM
$947B
| $1.1B | 0.57% |
3,731,520
+24,201
| +0.7% | +$7.34M |
|
17
Analog Devices
ADI
$181B
| $1.01B | 0.52% |
3,167,395
-132,603
| -4% | -$42.2M |
|
18
Intuitive Surgical
ISRG
$128B
| $972M | 0.5% |
2,109,524
+6,075
| +0.3% | +$3.07M |
|
19
ExxonMobil
XOM
$642B
| $892M | 0.46% |
5,256,636
-29,929
| -0.6% | -$4.37M |
|
20
Vertiv
VRT
$110B
| $834M | 0.43% |
3,326,325
+131,061
| +4% | +$29.1M |
|
21
Howmet Aerospace
HWM
$115B
| $829M | 0.43% |
3,599,070
-352,141
| -9% | -$82.1M |
|
22
Cloudflare
NET
$94.3B
| $748M | 0.39% |
3,627,255
+452,846
| +14% | +$86.4M |
|
|
MRSH
23
Marsh
MRSH
$87.5B
| $734M | 0.38% |
4,234,327
+1,903,819
| +82% | +$342M |
|
24
AbbVie
ABBV
$454B
| $718M | 0.37% |
3,299,346
-196,571
| -6% | -$43.6M |
|
25
Johnson & Johnson
JNJ
$641B
| $703M | 0.36% |
2,877,878
-617,283
| -18% | -$144M |
|
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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.