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 PCYO
Shares Held
Position Value (USD)
25 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,461,476 | 145,276 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $1,672,590 | 152,192 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,710,680 | 154,533 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $1,679,888 | 156,706 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $1,694,328 | 161,827 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $2,090,133 | 164,837 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $1,775,294 | 164,837 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $1,574,193 | 164,837 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $1,697,051 | 178,637 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $1,889,908 | 180,507 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $1,761,667 | 183,507 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $2,059,420 | 187,220 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,912,783 | 202,411 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $2,143,904 | 204,571 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $1,864,763 | 223,325 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $2,435,846 | 231,105 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $3,613,272 | 300,605 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $4,495,413 | 307,905 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $4,138,145 | 310,905 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $4,301,889 | 311,280 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $4,137,023 | 308,273 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $3,489,778 | 310,755 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $2,894,507 | 321,255 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $2,984,498 | 324,755 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $3,743,668 | 335,755 | Shares | Sole | 2020-05-11 | |
| No 13F history on record for this holder in this stock. | ||||||