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 |
Ciena
CIEN
|
+$671M |
| 2 |
Advanced Micro Devices
AMD
|
+$638M |
| 3 |
Eli Lilly
LLY
|
+$520M |
| 4 |
Corning
GLW
|
+$389M |
| 5 |
Cadence Design Systems
CDNS
|
+$371M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$1.74B |
| 2 |
Analog Devices
ADI
|
+$697M |
| 3 |
Broadcom
AVGO
|
+$679M |
| 4 |
Microsoft
MSFT
|
+$663M |
| 5 |
Costco
COST
|
+$357M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 27.76% |
| 2 | Financials | 14.09% |
| 3 | Industrials | 11.46% |
| 4 | Consumer Discretionary | 11.11% |
| 5 | Healthcare | 8.48% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
126
Magnolia Oil & Gas
MGY
$6.49B
| $282M | 0.12% |
11,011,458
+502,218
| +5% | +$14.3M |
|
127
Lear
LEA
$6.05B
| $280M | 0.12% |
2,092,298
+219,487
| +12% | +$29.4M |
|
128
Acuity Brands
AYI
$9.56B
| $280M | 0.12% |
743,411
-5,569
| -0.7% | -$1.65M |
|
129
Gentex
GNTX
$4.76B
| $279M | 0.12% |
11,025,677
+422,341
| +4% | +$9.99M |
|
130
Alaska Air
ALK
$4.57B
| $278M | 0.12% |
5,327,194
+388,448
| +8% | +$16.6M |
|
131
ONE Gas
OGS
$4.51B
| $273M | 0.12% |
3,543,229
+167,836
| +5% | +$14M |
|
132
Fair Isaac
FICO
$18.6B
| $273M | 0.12% |
228,232
-30,595
| -12% | -$34.3M |
|
133
Flex
FLEX
$42.4B
| $270M | 0.12% |
1,665,399
+223,893
| +16% | +$27.2M |
|
134
Visa
V
$690B
| $267M | 0.12% |
779,276
-81,147
| -9% | -$26.1M |
|
135
Cummins
CMI
$72.3B
| $267M | 0.12% |
374,240
-152,329
| -29% | -$100M |
|
136
Iridium Communications
IRDM
$5.17B
| $266M | 0.12% |
4,856,440
+1,386,486
| +40% | +$59.3M |
|
137
Bank of America
BAC
$396B
| $266M | 0.12% |
4,664,944
-55,424
| -1% | -$2.95M |
|
138
Travelers Companies
TRV
$75.7B
| $264M | 0.12% |
799,839
+206,701
| +35% | +$62.6M |
|
139
Axos Financial
AX
$5.02B
| $264M | 0.12% |
2,705,653
+195,246
| +8% | +$17.6M |
|
140
Blackrock
BLK
$168B
| $262M | 0.12% |
272,497
-26,054
| -9% | -$26.9M |
|
141
Rocket Lab Corp
RKLB
$47.3B
| $262M | 0.12% |
2,577,154
+431,263
| +20% | +$43M |
|
142
Linde
LIN
$217B
| $262M | 0.12% |
504,467
-12,786
| -2% | -$6.48M |
|
143
United Parcel Service
UPS
$79.9B
| $261M | 0.12% |
2,432,278
+472,036
| +24% | +$49.1M |
|
144
Macy's
M
$5.91B
| $260M | 0.11% |
11,030,537
-1,112,613
| -9% | -$23.3M |
|
145
Oscar Health
OSCR
$9.14B
| $258M | 0.11% |
9,055,242
+2,025,886
| +29% | +$43.6M |
|
146
Brunswick
BC
$4.35B
| $257M | 0.11% |
3,055,802
+10,076
| +0.3% | +$808K |
|
147
Advanced Drainage Systems
WMS
$10B
| $257M | 0.11% |
1,634,302
-23,451
| -1% | -$3.35M |
|
148
Avnet
AVT
$8.46B
| $254M | 0.11% |
2,865,223
-316,569
| -10% | -$25.9M |
|
149
Columbia Banking Systems
COLB
$8.39B
| $253M | 0.11% |
7,903,579
-1,832,490
| -19% | -$54.4M |
|
150
Cabot Corp
CBT
$4.07B
| $251M | 0.11% |
2,768,176
+530,685
| +24% | +$43.4M |
|
Similar funds
American Century Companies's Q2 2026 Portfolio in Review
As of Q2 2026, American Century Companies held 3,021 positions worth $226B, up 16% from $194B the previous quarter. Its ten largest holdings account for 22% of the portfolio.
American Century Companies's Q2 2026 filing shows 193 new, 1,743 increased, 891 reduced and 137 closed positions. Its largest new stake was OceanaGold Corp: 6,764,717 shares worth $170M. The largest sale was Apple, an estimated $1.74B.
By sector, the portfolio is most concentrated in Technology at 28% of assets, up from 25% a quarter earlier, followed by Financials and Industrials.
- American Century Companies's largest Q2 2026 buy was OceanaGold Corp: 6,764,717 shares worth $170M.
- American Century Companies added most to Ciena in Q2 2026, an estimated $671M increase.
- American Century Companies's biggest Q2 2026 reduction was Apple, cutting an estimated $1.74B.
- American Century Companies fully exited Air Lease Corp in Q2 2026, selling an estimated $182M.
- American Century Companies's ten largest holdings make up 22% of its $226B portfolio in Q2 2026.
- American Century Companies opened 193 new positions and closed 137 in Q2 2026.
- American Century Companies's portfolio value rose 16% quarter-over-quarter to $226B.
Based on American Century Companies's 13F filing for Q2 2026, filed 12 Aug 2026.