BLAIR WILLIAM & CO/IL
Top Portfolio Positions
1,174 positions ·
$28,696,806,188 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio |
|---|---|---|---|---|
| AAPL |
Apple Inc.
Technology
|
5,930,914 | $1,505,206,664 | 5.25% |
| MSFT |
Microsoft Corp
Technology
|
3,498,110 | $1,294,895,378 | 4.51% |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
6,057,938 | $1,261,686,747 | 4.40% |
| NVDA |
Nvidia Corp
Technology
|
5,427,875 | $946,621,400 | 3.30% |
| GOOGL |
Alphabet Inc.
Communication Services
|
2,436,117 | $700,529,804 | 2.44% |
| JPM |
Jpmorgan Chase & Co
Financial Services
|
2,307,253 | $678,701,542 | 2.37% |
| GEV |
GE Vernova Inc.
Industrials
|
664,603 | $580,131,958 | 2.02% |
| V |
Visa Inc.
Financial Services
|
1,844,583 | $557,506,765 | 1.94% |
| SPY |
Spdr S&P 500 ETF Trust
|
845,294 | $549,728,499 | 1.92% |
| IDXX |
Idexx Laboratories Inc /De
Healthcare
|
946,336 | $531,736,735 | 1.85% |
Portfolio Trend
Holdings in ROK
Shares Held
Position Value (USD)
25 of 25 shown
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $101,945,964 | 284,067 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $108,610,057 | 279,153 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $97,588,426 | 279,199 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $91,987,505 | 276,929 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $74,766,387 | 289,366 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $88,859,541 | 310,926 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $85,918,475 | 320,042 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $115,580,437 | 419,865 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $118,019,822 | 405,107 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $122,424,747 | 394,308 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $112,159,379 | 392,344 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $122,567,260 | 372,036 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $106,965,166 | 364,509 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $85,685,554 | 332,669 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $60,771,156 | 282,512 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $53,508,955 | 268,471 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $86,751,333 | 309,793 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $112,184,229 | 321,583 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $88,481,928 | 300,918 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $83,236,682 | 291,017 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $69,046,783 | 260,122 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $53,766,892 | 214,373 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $8,227,833 | 37,284 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $7,825,194 | 36,738 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $10,111,120 | 67,001 | Shares | Sole | 2020-05-11 | |
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