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 |
Interactive Brokers
IBKR
|
+$266M |
| 2 |
Martin Marietta Materials
MLM
|
+$178M |
| 3 |
Broadcom
AVGO
|
+$143M |
| 4 |
Reinsurance Group of America
RGA
|
+$127M |
| 5 |
FISV
Fiserv Inc
FISV
|
+$122M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$581M |
| 2 |
Apple
AAPL
|
+$544M |
| 3 |
Microsoft
MSFT
|
+$344M |
| 4 |
Eli Lilly
LLY
|
+$275M |
| 5 |
Meta Platforms (Facebook)
META
|
+$258M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 24.77% |
| 2 | Financials | 15.07% |
| 3 | Consumer Discretionary | 11.87% |
| 4 | Healthcare | 10.87% |
| 5 | Industrials | 9.69% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2351
KLX Energy Services
KLXE
$36M
| $745K | ﹤0.01% |
212,766
-3,734
| -2% | -$17.9K |
|
2352
GameStop
GME
$8.33B
| $744K | ﹤0.01% |
33,311
+4,308
| +15% | +$113K |
|
2353
Sinclair Inc
SBGI
$1.03B
| $742K | ﹤0.01% |
46,599
-26,409
| -36% | -$400K |
|
2354
Electromed
ELMD
$352M
| $741K | ﹤0.01% |
31,062
+7,624
| +33% | +$223K |
|
2355
Wendy's
WEN
$1.65B
| $737K | ﹤0.01% |
50,383
+14,955
| +42% | +$225K |
|
2356
Choice Hotels
CHH
$4.71B
| $731K | ﹤0.01% |
5,504
-7,724
| -58% | -$1.1M |
|
|
AAMI
2357
Acadian Asset Management
AAMI
$3.31B
| $729K | ﹤0.01% |
28,190
-1,623
| -5% | -$40.8K |
|
|
MLNK
2358
DELISTED
MeridianLink
MLNK
| $729K | ﹤0.01% |
39,315
-187
| -0.5% | -$3.61K |
|
2359
Regenxbio
RGNX
$704M
| $726K | ﹤0.01% |
101,579
+6,553
| +7% | +$48.7K |
|
2360
Cogent Communications
CCOI
$530M
| $725K | ﹤0.01% |
11,823
+8,171
| +224% | +$603K |
|
2361
Concentrix
CNXC
$1.52B
| $720K | ﹤0.01% |
12,942
+476
| +4% | +$22.8K |
|
|
LGF.A
2362
DELISTED
Lions Gate Entertainment Corp. Class A Voting Shares
LGF.A
| $719K | ﹤0.01% |
81,237
+34,968
| +76% | +$315K |
|
2363
Portillo's
PTLO
$365M
| $718K | ﹤0.01% |
+60,372
| New | +$785K |
|
2364
InvenTrust Properties
IVT
$2.62B
| $717K | ﹤0.01% |
24,399
+1,408
| +6% | +$41.5K |
|
2365
Group 1 Automotive
GPI
$3.14B
| $717K | ﹤0.01% |
1,876
+612
| +48% | +$268K |
|
|
NEXN
2366
Nexxen International
NEXN
$598M
| $716K | ﹤0.01% |
+85,715
| New | +$773K |
|
|
PPIH
2367
Perma-Pipe International
PPIH
$216M
| $714K | ﹤0.01% |
57,465
+25,763
| +81% | +$368K |
|
|
IAS
2368
DELISTED
Integral Ad Science
IAS
| $711K | ﹤0.01% |
+88,256
| New | +$880K |
|
|
MPX
2369
DELISTED
Marine Products Corp
MPX
| $710K | ﹤0.01% |
84,623
| – | – |
|
|
BCPC
2370
Balchem Corp
BCPC
$5.65B
| $709K | ﹤0.01% |
4,269
-442
| -9% | -$72.5K |
|
2371
Perrigo
PRGO
$1.78B
| $705K | ﹤0.01% |
25,157
-15
| -0.1% | -$389 |
|
2372
Simply Good Foods
SMPL
$989M
| $705K | ﹤0.01% |
20,438
+89
| +0.4% | +$3.22K |
|
2373
Franklin Financial Services
FRAF
$289M
| $705K | ﹤0.01% |
19,874
| – | – |
|
2374
Nice
NICE
$6.17B
| $704K | ﹤0.01% |
4,569
| – | – |
|
2375
Rhythm Pharmaceuticals
RYTM
$7.99B
| $704K | ﹤0.01% |
13,282
-20,484
| -61% | -$1.14M |
|
Similar funds
American Century Companies's Q1 2025 Portfolio in Review
As of Q1 2025, American Century Companies held 2,990 positions worth $163B, down 6.4% from $174B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
American Century Companies's Q1 2025 filing shows 115 new, 1,752 increased, 899 reduced and 109 closed positions. Its largest new stake was iShares Russell Mid-Cap Value ETF: 619,916 shares worth $78.1M. The largest sale was NVIDIA, an estimated $581M.
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 2025 buy was iShares Russell Mid-Cap Value ETF: 619,916 shares worth $78.1M.
- American Century Companies added most to Interactive Brokers in Q1 2025, an estimated $266M increase.
- American Century Companies's biggest Q1 2025 reduction was NVIDIA, cutting an estimated $581M.
- American Century Companies fully exited Arch Resources, Inc. in Q1 2025, selling an estimated $83.2M.
- American Century Companies's ten largest holdings make up 25% of its $163B portfolio in Q1 2025.
- American Century Companies opened 115 new positions and closed 109 in Q1 2025.
- American Century Companies's portfolio value fell 6.4% quarter-over-quarter to $163B.
Based on American Century Companies's 13F filing for Q1 2025, filed 13 May 2025.