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 MSI
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $53,266,779 | 122,743 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $44,184,529 | 115,268 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $81,656,903 | 178,567 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $77,464,289 | 184,237 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $84,072,654 | 192,030 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $94,053,635 | 203,478 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $88,027,212 | 195,777 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $84,007,568 | 217,608 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $78,268,830 | 220,488 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $67,072,018 | 214,226 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $57,347,083 | 210,649 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $59,143,138 | 201,661 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $52,399,559 | 183,132 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $34,273,626 | 132,993 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $11,799,187 | 52,682 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $8,202,486 | 39,134 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $7,761,299 | 32,045 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $9,235,354 | 33,991 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $8,372,812 | 36,040 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $7,288,328 | 33,610 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $5,794,760 | 30,815 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $1,725,768 | 10,148 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $1,492,831 | 9,520 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $1,149,346 | 8,202 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $1,579,089 | 11,880 | Shares | Sole | 2020-05-11 | |
| No 13F history on record for this holder in this stock. | ||||||