BLAIR WILLIAM & CO/IL
Top Portfolio Positions
1,177 positions ·
$28,934,435,236 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
24 quarters · across all stocks
Holdings in ROP
Shares Held
Position Value (USD)
24 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $42,951,880 | 121,381 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $19,397,875 | 43,578 | Shares | Sole | 2026-02-17 | |
| 2025-06-30 | $19,002,744 | 33,524 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $19,874,152 | 33,709 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $18,028,398 | 34,680 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $19,541,616 | 35,119 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $19,732,609 | 35,008 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $19,291,774 | 34,398 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $18,682,975 | 34,270 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $16,163,813 | 33,377 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $15,933,712 | 33,140 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $14,459,920 | 32,812 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $14,196,749 | 32,856 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $11,620,687 | 32,312 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $13,017,530 | 32,985 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $15,711,092 | 33,270 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $16,746,357 | 34,047 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $13,301,365 | 29,815 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $13,016,546 | 27,683 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $11,627,485 | 28,828 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $12,364,954 | 28,683 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $11,005,789 | 27,855 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $10,719,858 | 27,610 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $8,965,472 | 28,753 | Shares | Sole | 2020-05-11 | |
| No 13F history on record for this holder in this stock. | ||||||