Position in WAT
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$1,989,962
+$1,083,161 QoQ
Shares Held
5,306
+74.3% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#386
of 1,173 holders
Holding Since
Mar 2020
23 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, 2026BROWN BROTHERS HARRIMAN & CO holds $112,510,485 across 18 Diagnostics & Research names. WAT ranks #3 (1.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
191,956 | $96,239,060 | |
| 2 | DHR |
Danaher Corp /De/
|
24,120 | $4,594,377 | |
| 3 | WAT |
Waters Corp /De/
This page
|
5,306 | $1,989,962 | |
| 4 | ICLR |
Icon PLC
|
10,806 | $1,877,110 | |
| 5 | A |
Agilent Technologies, Inc.
|
10,646 | $1,414,108 | |
| 6 | RVTY |
Revvity, Inc.
|
12,344 | $1,373,393 | |
| 7 | MTD |
Mettler Toledo International Inc/
|
930 | $1,188,084 | |
| 8 | IDXX |
Idexx Laboratories Inc /De
|
2,162 | $1,138,163 |
All Filings in WAT
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,989,962 | 5,306 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $906,801 | 3,045 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $328,173 | 864 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $230,553 | 769 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $186,038 | 533 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $178,019 | 483 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $202,555 | 546 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $161,950 | 450 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $130,554 | 450 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $154,903 | 450 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $149,470 | 454 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $125,588 | 458 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $122,874 | 461 | Shares | Sole | 2023-08-07 | |
| 2023-03-31 | $149,860 | 484 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $157,929 | 461 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $125,331 | 465 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $156,884 | 474 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $377,123 | 1,215 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $194,497 | 522 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $25,725 | 72 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $4,147 | 12 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $3,410 | 12 | Shares | Sole | 2021-05-13 | |
| 2020-03-31 | $136,537 | 750 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||