Position in WAT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$355,777,570
+$50,461,099 QoQ
Shares Held
948,639
-7.5% QoQ
Ownership
0.966%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
#22
of 1,174 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Derivatives in WAT
reported options exposure · as of Dec 31, 2023CallValue
$3,292,300
CallShares
10,000
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026D. E. Shaw & Co., Inc. holds $2,287,511,101 across 27 Diagnostics & Research names. WAT ranks #1 (15.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WAT |
Waters Corp /De/
This page
|
948,639 | $355,777,570 | |
| 2 | NTRA |
Natera, Inc.
|
1,279,255 | $347,253,769 | |
| 3 | TMO |
Thermo Fisher Scientific Inc.
|
641,637 | $321,691,125 | |
| 4 | ICLR |
Icon PLC
|
1,357,143 | $235,749,309 | |
| 5 | A |
Agilent Technologies, Inc.
|
1,486,187 | $197,410,218 | |
| 6 | GH |
Guardant Health, Inc.
|
1,255,658 | $188,386,369 | |
| 7 | MEDP |
Medpace Holdings, Inc.
|
234,537 | $124,208,448 | |
| 8 | TWST |
Twist Bioscience Corp
|
1,185,605 | $121,975,041 |
All Filings in WAT
Export CSV
32 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $355,777,570 | 948,639 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $305,316,471 | 1,025,240 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $133,703,958 | 352,010 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $87,499,248 | 291,849 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $398,952 | 1,143 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,309,897 | 3,554 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $3,542,858 | 9,550 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $1,763,101 | 4,899 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,548,950 | 5,339 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $5,110,438 | 14,846 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $3,292,300 | 10,000 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $3,504,982 | 10,646 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $8,407,278 | 30,660 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $2,742,100 | 10,000 | Call | Defined | 2023-11-14 | |
| 2023-06-30 | $14,067,981 | 52,780 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $40,838,648 | 131,895 | Shares | Defined | 2023-05-15 | |
| 2023-03-31 | $3,096,300 | 10,000 | Put | Defined | 2023-05-15 | |
| 2022-12-31 | $3,425,800 | 10,000 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $21,094,363 | 61,575 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $6,646,070 | 24,658 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $18,407,783 | 55,616 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $30,331,621 | 97,721 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $49,969,758 | 134,111 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $5,573,880 | 15,600 | Call | Defined | 2021-11-15 | |
| 2021-09-30 | $77,666,657 | 217,371 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $552,976 | 1,600 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $100,101,097 | 289,636 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $116,042,239 | 408,355 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $122,564,445 | 495,370 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $132,601,769 | 677,646 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $83,620,631 | 463,529 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $23,717,109 | 130,278 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||