Position in WAT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$4,053,807
+$1,797,377 QoQ
Shares Held
10,809
+42.7% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#297
of 1,173 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WAT 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. WAT ranks #6 (4.5% 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
|
40,732 | $4,190,508 | |
| 5 | A |
Agilent Technologies, Inc.
|
31,106 | $4,131,809 | |
| 6 | WAT |
Waters Corp /De/
This page
|
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 WAT
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,053,807 | 10,809 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $2,256,430 | 7,577 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,434,710 | 6,410 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $1,980,844 | 6,607 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,198,952 | 6,300 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,026,029 | 5,497 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $2,496,695 | 6,730 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,166,897 | 6,021 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $1,868,662 | 6,441 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $2,101,179 | 6,104 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $1,980,647 | 6,016 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $1,691,875 | 6,170 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $1,524,342 | 5,719 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,646,302 | 5,317 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $1,761,203 | 5,141 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $867,886 | 3,220 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $483,561 | 1,461 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $578,877 | 1,865 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $764,575 | 2,052 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $698,878 | 1,956 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $473,485 | 1,370 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $364,590 | 1,283 | Shares | Sole | 2021-05-10 | |
| 2020-12-31 | $293,934 | 1,188 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $254,384 | 1,300 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $280,702 | 1,556 | Shares | Sole | 2020-08-07 | |
| No filing history on record for this holder in this stock. | ||||||