AMERICAN CENTURY COMPANIES INC
Top Portfolio Positions
2,723 positions ·
$186,575,502,741 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| NVDA |
Nvidia Corp
Technology
|
61,043,097 | $10,645,916,116 | 5.71% | |
| AAPL |
Apple Inc.
Technology
|
25,211,083 | $6,398,320,754 | 3.43% | |
| MSFT |
Microsoft Corp
Technology
|
16,151,639 | $5,978,852,208 | 3.20% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
24,268,620 | $5,054,425,487 | 2.71% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
17,490,949 | $5,029,697,294 | 2.70% | |
| AVGO |
Broadcom Inc.
Technology
|
9,541,206 | $2,953,098,669 | 1.58% | |
| META |
Meta Platforms, Inc.
Communication Services
|
4,992,476 | $2,856,345,293 | 1.53% | |
| MA |
Mastercard Inc
Financial Services
|
5,361,694 | $2,679,024,024 | 1.44% | |
| TSLA |
Tesla, Inc.
Consumer Cyclical
|
6,762,692 | $2,514,030,751 | 1.35% | |
| TSM |
Taiwan Semiconductor Manufacturing Co Ltd
Technology
|
6,348,986 | $2,145,639,818 | 1.15% |
Portfolio Trend
25 quarters · across all stocks
Holdings in ONTO
Shares Held
Position Value (USD)
22 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $32,891,792 | 160,393 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $39,164,118 | 248,094 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $21,788,947 | 168,619 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $17,346,637 | 171,868 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $26,890,642 | 221,614 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $44,103,048 | 264,613 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $65,993,286 | 317,948 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $90,975,564 | 414,354 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $90,816,509 | 501,527 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $64,230,537 | 420,082 | Shares | Defined | 2024-02-13 | |
| 2023-06-30 | $49,103,053 | 421,594 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $32,399,949 | 368,684 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $24,268,297 | 356,415 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $27,719,687 | 432,782 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $29,394,921 | 421,493 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $36,059,523 | 415,002 | Shares | Defined | 2022-05-11 | |
| 2021-12-31 | $82,602,262 | 815,986 | Shares | Defined | 2022-02-07 | |
| 2021-09-30 | $33,630,496 | 465,474 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $33,631,341 | 460,451 | Shares | Defined | 2021-08-05 | |
| 2021-03-31 | $23,723,872 | 361,039 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $17,233,974 | 362,439 | Shares | Defined | 2021-02-12 | |
| 2020-03-31 | $1,255,219 | 42,306 | Shares | Defined | 2020-05-14 | |
| No 13F history on record for this holder in this stock. | ||||||