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 IBRX
Shares Held
Position Value (USD)
21 of 21 shown
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,855,687 | 241,941 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $475,623 | 240,214 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $590,926 | 240,214 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $633,108 | 239,814 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $702,835 | 233,500 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $597,760 | 233,500 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $769,296 | 206,800 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,306,976 | 206,800 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $1,683,720 | 313,542 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $763,100 | 152,012 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $274,560 | 162,462 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $150,206 | 54,031 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $96,516 | 53,031 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $268,867 | 53,031 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $266,049 | 53,531 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $199,135 | 53,531 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $185,130 | 33,000 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $200,640 | 33,000 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $321,420 | 33,000 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $357,000 | 25,000 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $403,580 | 17,000 | Shares | Sole | 2021-05-13 | |
| No quarters match your search. | ||||||