Position in WAT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$54,214,282
+$28,050,766 QoQ
Shares Held
144,556
+64.5% QoQ
Ownership
0.147%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#94
of 1,178 holders
Holding Since
Mar 2020
21 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, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $618,295,595 across 13 Diagnostics & Research names. WAT ranks #4 (8.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
406,154 | $203,629,369 | |
| 2 | DHR |
Danaher Corp /De/
|
452,595 | $86,210,295 | |
| 3 | GH |
Guardant Health, Inc.
|
371,763 | $55,775,602 | |
| 4 | WAT |
Waters Corp /De/
This page
|
144,556 | $54,214,282 | |
| 5 | CRL |
Charles River Laboratories International, Inc.
|
213,480 | $48,415,129 | |
| 6 | A |
Agilent Technologies, Inc.
|
321,166 | $42,660,479 | |
| 7 | IDXX |
Idexx Laboratories Inc /De
|
70,301 | $37,009,258 | |
| 8 | MTD |
Mettler Toledo International Inc/
|
21,776 | $27,819,057 |
All Filings in WAT
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $54,214,282 | 144,556 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $26,163,516 | 87,856 | Shares | Sole | 2026-05-15 | |
| 2025-06-30 | $10,284,463 | 29,465 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $19,963,594 | 54,165 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $20,576,405 | 55,465 | Shares | Sole | 2025-02-14 | |
| 2024-06-30 | $1,991,673 | 6,865 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $8,129,679 | 23,617 | Shares | Sole | 2024-05-15 | |
| 2023-06-30 | $1,723,447 | 6,466 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $12,219,547 | 39,465 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $20,714,099 | 60,465 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $16,431,896 | 60,965 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $20,773,959 | 62,765 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $10,480,318 | 33,765 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $16,791,219 | 45,065 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $48,830,404 | 136,665 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $33,719,439 | 97,565 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $19,268,999 | 67,808 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $17,098,701 | 69,108 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $13,569,038 | 69,343 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $1,198,397 | 6,643 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $4,120,519 | 22,634 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||