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 CRSP
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,500,643 | 31,546 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $1,752,754 | 33,424 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,186,624 | 33,739 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $1,708,723 | 35,130 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $2,321,424 | 68,217 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $4,502,784 | 114,400 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $5,727,284 | 121,909 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $7,289,675 | 134,969 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $10,080,182 | 147,890 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $8,557,420 | 136,700 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $6,031,695 | 132,886 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $7,460,163 | 132,885 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $5,844,394 | 129,215 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $3,235,455 | 79,593 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $5,403,856 | 82,691 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $4,887,852 | 80,432 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $7,176,117 | 114,324 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $6,973,427 | 92,022 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $10,613,314 | 94,821 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $14,186,258 | 87,629 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $9,805,513 | 80,472 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $10,845,546 | 70,835 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $5,826,027 | 69,656 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $4,868,198 | 66,243 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $2,847,958 | 67,153 | Shares | Sole | 2020-05-11 | |
| No 13F history on record for this holder in this stock. | ||||||