BLAIR WILLIAM & CO/IL
Top Portfolio Positions
1,180 positions ·
$28,862,391,577 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 | 5.22% | |
| MSFT |
Microsoft Corp
Technology
|
3,498,110 | $1,294,895,378 | 4.49% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
6,057,938 | $1,261,686,747 | 4.37% | |
| NVDA |
Nvidia Corp
Technology
|
5,427,875 | $946,621,400 | 3.28% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
2,436,117 | $700,529,804 | 2.43% | |
| JPM |
Jpmorgan Chase & Co
Financial Services
|
2,307,253 | $678,701,542 | 2.35% | |
| GEV |
GE Vernova Inc.
Industrials
|
664,603 | $580,131,958 | 2.01% | |
| 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 CSGP
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $36,318,626 | 900,313 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $136,061,686 | 2,023,523 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $263,949,267 | 3,128,473 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $230,841,424 | 2,871,162 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $230,045,731 | 2,903,518 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $242,972,952 | 3,393,951 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $290,507,067 | 3,850,836 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $326,048,295 | 4,397,738 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $426,950,554 | 4,419,778 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $383,902,347 | 4,392,978 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $322,246,682 | 4,191,009 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $350,644,603 | 3,939,827 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $258,534,022 | 3,755,033 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $286,732,061 | 3,710,301 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $240,549,717 | 3,453,693 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $193,842,641 | 3,208,784 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $183,519,542 | 2,755,135 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $220,916,194 | 2,795,346 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $234,419,350 | 2,723,906 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $221,573,812 | 2,675,366 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $21,586,612 | 262,646 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $23,901,141 | 258,592 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $21,837,932 | 257,368 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $18,159,679 | 255,529 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $14,736,445 | 250,957 | Shares | Sole | 2020-05-11 | |
| No 13F history on record for this holder in this stock. | ||||||