Position in WAT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$3,837,409
+$718,550 QoQ
Shares Held
10,232
-2.3% QoQ
Ownership
0.010%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#302
of 1,173 holders
Holding Since
Mar 2020
22 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026FIRST MANHATTAN CO. LLC. holds $938,010,808 across 12 Diagnostics & Research names. WAT ranks #6 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
2,248,424 | $428,279,803 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
|
841,894 | $422,091,975 | |
| 3 | IQV |
Iqvia Holdings Inc.
|
312,542 | $60,389,365 | |
| 4 | MTD |
Mettler Toledo International Inc/
|
7,150 | $9,134,196 | |
| 5 | A |
Agilent Technologies, Inc.
|
63,046 | $8,374,400 | |
| 6 | WAT |
Waters Corp /De/
This page
|
10,232 | $3,837,409 | |
| 7 | PSNL |
Personalis, Inc.
|
230,600 | $3,090,040 | |
| 8 | ILMN |
Illumina, Inc.
|
9,873 | $1,735,969 |
All Filings in WAT
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,837,409 | 10,232 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $3,118,859 | 10,473 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,935,706 | 7,729 | Shares | Sole | 2026-02-17 | |
| 2025-03-31 | $359,355 | 975 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $361,705 | 975 | Shares | Sole | 2025-02-14 | |
| 2024-03-31 | $137,692 | 400 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $131,692 | 400 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $109,684 | 400 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $106,616 | 400 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $123,852 | 400 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $137,032 | 400 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $512,107 | 1,900 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $628,862 | 1,900 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $15,108,543 | 48,676 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $17,987,637 | 48,276 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $17,249,014 | 48,276 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $16,166,253 | 46,776 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $13,292,335 | 46,776 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $11,573,317 | 46,776 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $9,153,127 | 46,776 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $8,440,194 | 46,786 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $8,517,391 | 46,786 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||