Position in A
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$1,766,638
+$528,702 QoQ
Shares Held
13,300
+22.5% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#416
of 1,112 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 45%
Shared 0%
None 55%
Common Shares in A Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026BLAIR WILLIAM & CO/IL holds $890,730,193 across 22 Diagnostics & Research names. A ranks #13 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IDXX |
Idexx Laboratories Inc /De
|
918,556 | $483,564,619 | |
| 2 | DHR |
Danaher Corp /De/
|
971,095 | $184,974,175 | |
| 3 | TMO |
Thermo Fisher Scientific Inc.
|
160,038 | $80,236,651 | |
| 4 | MTD |
Mettler Toledo International Inc/
|
24,905 | $31,816,386 | |
| 5 | GH |
Guardant Health, Inc.
|
179,266 | $26,895,277 | |
| 6 | TWST |
Twist Bioscience Corp
|
256,556 | $26,394,481 | |
| 7 | DGX |
Quest Diagnostics Inc
|
93,291 | $19,773,027 | |
| 8 | VCYT |
Veracyte, Inc.
|
179,712 | $10,554,485 |
All Filings in A
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,766,638 | 13,300 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $1,237,936 | 10,861 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $2,819,505 | 20,721 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,919,064 | 22,743 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $4,311,495 | 36,535 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $4,233,740 | 36,192 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $4,649,104 | 34,607 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $3,159,208 | 21,277 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $2,665,192 | 20,560 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $2,848,358 | 19,575 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $2,405,775 | 17,304 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $2,012,983 | 18,002 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $2,124,577 | 17,668 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $2,248,993 | 16,257 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $2,619,922 | 17,507 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $2,148,517 | 17,676 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $2,099,616 | 17,678 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $3,785,431 | 28,606 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $4,254,512 | 26,649 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $2,724,008 | 17,292 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $2,629,835 | 17,792 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $2,577,890 | 20,276 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $2,741,147 | 23,134 | Shares | Sole | 2021-02-09 | |
| 2020-09-30 | $2,275,490 | 22,543 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $1,774,646 | 20,082 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $1,113,476 | 15,547 | Shares | Sole | 2020-05-11 | |
| No filing history on record for this holder in this stock. | ||||||