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 | |
|---|---|---|---|---|---|---|
|
OBE
1426
Obsidian Energy
OBE
$699M
| $11M | 0.01% |
1,158,131
+62,282
| +6% | +$476K |
|
1427
Installed Building Products
IBP
$6.27B
| $11M | 0.01% |
41,335
-30,484
| -42% | -$9.13M |
|
1428
Nutanix
NTNX
$17.4B
| $11M | 0.01% |
288,214
+116,660
| +68% | +$4.92M |
|
1429
First Financial Bancorp
FFBC
$3.53B
| $10.9M | 0.01% |
392,406
+16,122
| +4% | +$449K |
|
1430
Bridgewater Bancshares
BWB
$598M
| $10.9M | 0.01% |
617,927
+56,257
| +10% | +$1.03M |
|
1431
Tencent Music
TME
$16.2B
| $10.9M | 0.01% |
1,177,133
-89,228
| -7% | -$1.32M |
|
1432
Harmonic Inc
HLIT
$1.26B
| $10.9M | 0.01% |
1,214,235
+627,280
| +107% | +$6.23M |
|
1433
First Solar
FSLR
$25.7B
| $10.9M | 0.01% |
55,174
+14,761
| +37% | +$3.26M |
|
1434
Landstar System
LSTR
$6.05B
| $10.9M | 0.01% |
67,875
+5,513
| +9% | +$846K |
|
1435
Target Hospitality
TH
$1.6B
| $10.8M | 0.01% |
1,169,063
+88,656
| +8% | +$704K |
|
1436
Carlisle Companies
CSL
$15.3B
| $10.8M | 0.01% |
32,437
+2,764
| +9% | +$1.01M |
|
1437
Acco Brands
ACCO
$402M
| $10.8M | 0.01% |
3,606,271
+364,566
| +11% | +$1.37M |
|
1438
Turkcell
TKC
$4.79B
| $10.8M | 0.01% |
1,790,785
+366,376
| +26% | +$2.33M |
|
1439
Titan Machinery
TITN
$426M
| $10.8M | 0.01% |
643,668
+94,774
| +17% | +$1.64M |
|
1440
Performance Food Group
PFGC
$17.9B
| $10.7M | 0.01% |
125,193
+74,968
| +149% | +$6.86M |
|
1441
Camden National
CAC
$970M
| $10.7M | 0.01% |
225,597
+82,093
| +57% | +$3.85M |
|
|
BGSI
1442
Boyd Group Services
BGSI
$2.81B
| $10.7M | 0.01% |
83,801
-95,137
| -53% | -$15.3M |
|
1443
Northrop Grumman
NOC
$82.1B
| $10.7M | 0.01% |
15,660
+1,583
| +11% | +$1.09M |
|
1444
Southside Bancshares
SBSI
$953M
| $10.7M | 0.01% |
343,326
-5,339
| -2% | -$169K |
|
1445
Wabash National
WNC
$510M
| $10.7M | 0.01% |
1,237,583
+184,201
| +17% | +$1.83M |
|
1446
Repay Holdings
RPAY
$317M
| $10.6M | 0.01% |
4,087,521
+115,866
| +3% | +$371K |
|
1447
KeyCorp
KEY
$24.3B
| $10.6M | 0.01% |
529,570
-56,766
| -10% | -$1.19M |
|
1448
Eagle Bancorp
EGBN
$843M
| $10.6M | 0.01% |
425,886
-119,265
| -22% | -$2.97M |
|
1449
Medpace
MEDP
$16.8B
| $10.5M | 0.01% |
21,873
-8,777
| -29% | -$4.49M |
|
1450
AvalonBay Communities
AVB
$26.3B
| $10.5M | 0.01% |
64,166
-169,199
| -73% | -$29.6M |
|
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.