Position in TWST
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$4,190,508
-$383,529 QoQ
Shares Held
40,732
-57.7% QoQ
Ownership
0.065%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#112
of 334 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TWST Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Rafferty Asset Management, LLC holds $89,777,668 across 18 Diagnostics & Research names. TWST ranks #4 (4.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
40,905 | $20,508,130 | |
| 2 | IDXX |
Idexx Laboratories Inc /De
|
34,084 | $17,943,180 | |
| 3 | DHR |
Danaher Corp /De/
|
69,337 | $13,207,311 | |
| 4 | TWST |
Twist Bioscience Corp
This page
|
40,732 | $4,190,508 | |
| 5 | A |
Agilent Technologies, Inc.
|
31,106 | $4,131,809 | |
| 6 | WAT |
Waters Corp /De/
|
10,809 | $4,053,807 | |
| 7 | IQV |
Iqvia Holdings Inc.
|
18,371 | $3,549,644 | |
| 8 | NTRA |
Natera, Inc.
|
12,749 | $3,460,716 |
All Filings in TWST
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,190,508 | 40,732 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $4,574,037 | 96,255 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $3,624,263 | 114,258 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $3,215,501 | 114,268 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,783,531 | 75,660 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $3,897,889 | 99,284 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $4,336,533 | 93,319 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $6,284,763 | 139,105 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $5,079,634 | 103,077 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $8,374,796 | 244,092 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $8,463,387 | 229,609 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $6,866,640 | 338,926 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $8,463,708 | 413,671 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $6,500,505 | 431,068 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $7,865,633 | 330,350 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $5,541,419 | 157,248 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $4,986,344 | 142,630 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $6,029,199 | 122,098 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $4,910,627 | 63,453 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $2,745,064 | 25,662 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $3,032,103 | 22,755 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $2,917,398 | 23,554 | Shares | Sole | 2021-05-10 | |
| 2020-12-31 | $929,829 | 6,581 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $2,411,439 | 31,742 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $798,593 | 17,629 | Shares | Sole | 2020-08-07 | |
| No filing history on record for this holder in this stock. | ||||||