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 MXCT
Shares Held
Position Value (USD)
18 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $9,501 | 13,516 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $20,925 | 13,500 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $21,333 | 13,502 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $540,644 | 248,002 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $684,653 | 250,789 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $1,176,693 | 282,859 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $1,061,810 | 272,959 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,059,454 | 270,269 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $1,144,138 | 273,064 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $1,196,446 | 254,563 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $785,775 | 251,851 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $594,519 | 129,525 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $581,649 | 117,505 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $641,577 | 117,505 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $747,532 | 115,005 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $641,813 | 135,690 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $191,253 | 27,361 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $314,952 | 30,908 | Shares | Sole | 2022-02-14 | |
| No 13F history on record for this holder in this stock. | ||||||