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 | |
|---|---|---|---|---|---|---|
2451
Tandem Diabetes Care
TNDM
$1.55B
| $642K | ﹤0.01% |
33,470
+710
| +2% | +$15.4K |
|
2452
American Express Global Business Travel
GBTG
$4.94B
| $638K | ﹤0.01% |
114,412
+79,316
| +226% | +$492K |
|
2453
PTC
PTC
$16.3B
| $629K | ﹤0.01% |
4,416
-18,392
| -81% | -$2.91M |
|
2454
Richardson Electronics
RELL
$299M
| $628K | ﹤0.01% |
57,388
| – | – |
|
2455
Riverview Bancorp
RVSB
$106M
| $627K | ﹤0.01% |
114,007
-1,214
| -1% | -$6.4K |
|
2456
Dave & Buster's
PLAY
$343M
| $622K | ﹤0.01% |
57,479
-20,348
| -26% | -$325K |
|
|
LINE
2457
Lineage Inc
LINE
$9.39B
| $619K | ﹤0.01% |
18,886
+946
| +5% | +$35K |
|
2458
Monro
MNRO
$377M
| $618K | ﹤0.01% |
38,543
-2,960
| -7% | -$57.5K |
|
2459
Insight Enterprises
NSIT
$4.41B
| $617K | ﹤0.01% |
9,207
+4,280
| +87% | +$350K |
|
2460
DaVita
DVA
$11.6B
| $615K | ﹤0.01% |
4,003
-76
| -2% | -$10.3K |
|
2461
Latham Group
SWIM
$840M
| $612K | ﹤0.01% |
114,017
-709
| -0.6% | -$4.52K |
|
|
SILA
2462
DELISTED
Sila Realty Trust
SILA
| $611K | ﹤0.01% |
25,823
+1,298
| +5% | +$31.8K |
|
2463
NewtekOne
NEWT
$382M
| $604K | ﹤0.01% |
55,189
-8,431
| -13% | -$107K |
|
2464
Full House Resorts
FLL
$92.3M
| $604K | ﹤0.01% |
268,480
-106,294
| -28% | -$256K |
|
2465
OraSure Technologies
OSUR
$273M
| $600K | ﹤0.01% |
199,924
-3,040
| -1% | -$8.66K |
|
2466
Cimpress
CMPR
$2.28B
| $599K | ﹤0.01% |
8,207
+1,402
| +21% | +$104K |
|
2467
Ooma
OOMA
$594M
| $599K | ﹤0.01% |
41,166
+2,389
| +6% | +$30K |
|
2468
Columbus McKinnon
CMCO
$570M
| $598K | ﹤0.01% |
41,176
+8,836
| +27% | +$165K |
|
2469
OppFi
OPFI
$771M
| $582K | ﹤0.01% |
75,483
+11,900
| +19% | +$109K |
|
2470
Akebia Therapeutics
AKBA
$236M
| $578K | ﹤0.01% |
415,988
| – | – |
|
2471
FRP Holdings
FRPH
$420M
| $577K | ﹤0.01% |
26,376
-175
| -0.7% | -$4.07K |
|
2472
Donnelley Financial Solutions
DFIN
$1.16B
| $571K | ﹤0.01% |
12,104
-37,261
| -75% | -$1.83M |
|
2473
Voyager Therapeutics
VYGR
$201M
| $570K | ﹤0.01% |
147,647
-2,758
| -2% | -$10.9K |
|
2474
Consumer Portfolio Services
CPSS
$202M
| $570K | ﹤0.01% |
73,680
-482
| -0.6% | -$4.03K |
|
2475
Butterfly Network
BFLY
$2.63B
| $569K | ﹤0.01% |
140,801
+71,542
| +103% | +$276K |
|
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.