BLAIR WILLIAM & CO/IL
Top Portfolio Positions
1,179 positions ·
$28,935,290,692 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 | 5.20% | |
| MSFT |
Microsoft Corp
Technology
|
3,498,110 | $1,294,895,378 | 4.48% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
6,057,938 | $1,261,686,747 | 4.36% | |
| NVDA |
Nvidia Corp
Technology
|
5,427,875 | $946,621,400 | 3.27% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
2,436,117 | $700,529,804 | 2.42% | |
| JPM |
Jpmorgan Chase & Co
Financial Services
|
2,307,253 | $678,701,542 | 2.35% | |
| GEV |
GE Vernova Inc.
Industrials
|
664,603 | $580,131,958 | 2.00% | |
| 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 NDAQ
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $87,097,988 | 1,026,010 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $73,806,464 | 759,873 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $54,540,215 | 616,622 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $52,051,203 | 582,098 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $41,043,597 | 541,044 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $41,173,837 | 532,581 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $20,247,279 | 277,322 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,917,593 | 31,822 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $1,742,948 | 27,622 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $1,030,705 | 17,728 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $765,098 | 15,746 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $964,398 | 19,346 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,044,743 | 19,110 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,242,889 | 20,259 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $950,523 | 16,770 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $285,046 | 5,606 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $343,569 | 5,784 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $400,768 | 5,725 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $329,613 | 5,123 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $289,132 | 4,934 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $248,125 | 5,048 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $217,339 | 4,912 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $176,702 | 4,320 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $184,421 | 4,631 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $138,816 | 4,386 | Shares | Sole | 2020-05-11 | |
| No 13F history on record for this holder in this stock. | ||||||