BLAIR WILLIAM & CO/IL
Top Portfolio Positions
1,180 positions ·
$28,862,391,577 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| AAPL |
Apple Inc.
Technology
|
5,930,914 | $1,505,206,664 | 5.22% | |
| MSFT |
Microsoft Corp
Technology
|
3,498,110 | $1,294,895,378 | 4.49% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
6,057,938 | $1,261,686,747 | 4.37% | |
| NVDA |
Nvidia Corp
Technology
|
5,427,875 | $946,621,400 | 3.28% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
2,436,117 | $700,529,804 | 2.43% | |
| JPM |
Jpmorgan Chase & Co
Financial Services
|
2,307,253 | $678,701,542 | 2.35% | |
| GEV |
GE Vernova Inc.
Industrials
|
664,603 | $580,131,958 | 2.01% | |
| V |
Visa Inc.
Financial Services
|
1,844,583 | $557,506,765 | 1.93% | |
| SPY |
Spdr S&P 500 ETF Trust
|
845,294 | $549,728,499 | 1.90% | |
| IDXX |
Idexx Laboratories Inc /De
Healthcare
|
946,336 | $531,736,735 | 1.84% |
Portfolio Trend
25 quarters · across all stocks
Holdings in WSO
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $211,980,433 | 582,700 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $227,589,508 | 675,440 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $323,422,210 | 799,956 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $356,235,422 | 806,656 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $414,118,109 | 814,712 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $365,338,861 | 770,936 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $386,147,934 | 785,045 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $371,125,652 | 801,152 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $342,124,991 | 792,011 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $332,288,768 | 775,524 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $291,024,194 | 770,476 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $292,007,274 | 765,479 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $232,215,439 | 729,870 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $176,962,268 | 709,552 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $179,998,267 | 699,131 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $139,355,529 | 583,517 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $178,980,569 | 587,515 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $181,712,882 | 580,775 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $153,234,826 | 579,075 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $164,148,408 | 572,664 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $147,156,609 | 564,359 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $126,873,890 | 560,026 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $130,800,106 | 561,639 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $103,198,741 | 580,747 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $95,188,738 | 602,346 | Shares | Sole | 2020-05-11 | |
| No 13F history on record for this holder in this stock. | ||||||