Position in TWST
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$26,394,481
+$23,666,026 QoQ
Shares Held
256,556
+346.8% QoQ
Ownership
0.409%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#52
of 334 holders
Holding Since
Dec 2020
23 quarters on record
Voting authority
Sole 82%
Shared 0%
None 18%
Common Shares in TWST 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. TWST ranks #6 (3.0% 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
This page
|
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 TWST
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $26,394,481 | 256,556 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $2,728,455 | 57,417 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $2,587,114 | 81,561 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,662,483 | 59,079 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,197,135 | 59,721 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $2,432,785 | 61,966 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $3,157,450 | 67,946 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $3,944,259 | 87,301 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $813,021 | 16,498 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $744,801 | 21,708 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $860,975 | 23,358 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $511,929 | 25,268 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $554,629 | 27,108 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $677,152 | 44,904 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,788,035 | 75,096 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $273,497 | 7,761 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $352,431 | 10,081 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $341,363 | 6,913 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $454,356 | 5,871 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $439,646 | 4,110 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $285,021 | 2,139 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $280,047 | 2,261 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $322,141 | 2,280 | Shares | Sole | 2021-02-09 | |
| No filing history on record for this holder in this stock. | ||||||