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 | |
|---|---|---|---|---|---|---|
2476
Alico
ALCO
$283M
| $567K | ﹤0.01% |
13,731
-81
| -0.6% | -$3.22K |
|
2477
Pentair
PNR
$11B
| $564K | ﹤0.01% |
6,473
+875
| +16% | +$85.7K |
|
|
OSG
2478
Octave Specialty Group
OSG
$222M
| $561K | ﹤0.01% |
120,540
-3,059
| -2% | -$17.5K |
|
2479
VSE Corp
VSEC
$6.12B
| $559K | ﹤0.01% |
3,034
-30,325
| -91% | -$6.17M |
|
|
DHC
2480
Diversified Healthcare Trust
DHC
$2.14B
| $558K | ﹤0.01% |
83,979
| – | – |
|
2481
Absci
ABSI
$1.51B
| $558K | ﹤0.01% |
185,869
+42,288
| +29% | +$122K |
|
2482
Jacobs Solutions
J
$17B
| $554K | ﹤0.01% |
+4,355
| New | +$592K |
|
2483
Seres Therapeutics
MCRB
$48.9M
| $553K | ﹤0.01% |
62,316
+46,045
| +283% | +$539K |
|
2484
Inspire Medical Systems
INSP
$1.74B
| $551K | ﹤0.01% |
+10,682
| New | +$748K |
|
2485
STAAR Surgical
STAA
$1.21B
| $551K | ﹤0.01% |
29,442
+2,068
| +8% | +$39.5K |
|
|
LOVE
2486
LoveSac
LOVE
$261M
| $549K | ﹤0.01% |
37,152
-149,434
| -80% | -$1.98M |
|
2487
XPeng
XPEV
$11.6B
| $548K | ﹤0.01% |
32,019
-660
| -2% | -$12.2K |
|
2488
Tetra Tech
TTEK
$9.07B
| $547K | ﹤0.01% |
18,152
+855
| +5% | +$30.2K |
|
2489
Array Technologies
ARRY
$855M
| $547K | ﹤0.01% |
75,614
+52
| +0.1% | +$481 |
|
2490
Ginkgo Bioworks
DNA
$521M
| $536K | ﹤0.01% |
87,386
-909
| -1% | -$7.56K |
|
2491
N-able
NABL
$940M
| $535K | ﹤0.01% |
114,462
-4,138
| -3% | -$23.1K |
|
|
EU
2492
enCore Energy
EU
$243M
| $532K | ﹤0.01% |
295,537
+58,235
| +25% | +$149K |
|
2493
Sigma Lithium
SGML
$1.28B
| $531K | ﹤0.01% |
43,067
| – | – |
|
2494
Blue Ridge Bankshares
BRBS
$332M
| $529K | ﹤0.01% |
125,934
-978
| -0.8% | -$4.09K |
|
2495
Limoneira
LMNR
$251M
| $528K | ﹤0.01% |
39,348
+663
| +2% | +$9.2K |
|
|
NEXN
2496
Nexxen International
NEXN
$607M
| $524K | ﹤0.01% |
80,370
+42,236
| +111% | +$270K |
|
2497
Arlo Technologies
ARLO
$1.65B
| $519K | ﹤0.01% |
36,507
-11,455
| -24% | -$153K |
|
2498
The Honest Company
HNST
$586M
| $519K | ﹤0.01% |
176,599
+35
| +0% | +$90 |
|
2499
M-tron Industries
MPTI
$380M
| $518K | ﹤0.01% |
7,749
-94
| -1% | -$6K |
|
2500
CNA Financial
CNA
$14.1B
| $511K | ﹤0.01% |
11,131
+1,415
| +15% | +$67K |
|
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.