Position in WAT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$15,716,990
+$719,403 QoQ
Shares Held
52,777
+33.7% QoQ
Ownership
0.054%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $358,537,463 across 25 Diagnostics & Research names. WAT ranks #5 (4.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
205,695 | $101,105,263 | |
| 2 | DHR |
Danaher Corp /De/
|
341,842 | $64,813,243 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
51,378 | $28,868,784 | |
| 4 | A |
Agilent Technologies, Inc.
|
151,816 | $17,303,987 | |
| 5 | WAT |
Waters Corp /De/
This page
|
52,777 | $15,716,990 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
91,193 | $15,552,054 | |
| 7 | DGX |
Quest Diagnostics Inc
|
73,355 | $14,376,112 | |
| 8 | MTD |
Mettler Toledo International Inc/
|
11,239 | $14,174,626 |
All Filings in WAT
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $15,716,990 | 52,777 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $14,997,587 | 39,485 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $12,331,185 | 41,130 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $12,660,029 | 36,271 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $12,253,109 | 33,245 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $12,164,063 | 32,789 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $13,025,138 | 36,192 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $9,944,153 | 34,276 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $14,371,602 | 41,750 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $10,133,040 | 30,778 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $9,024,251 | 32,910 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $8,996,524 | 33,753 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $11,388,501 | 36,781 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $11,126,655 | 32,479 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $14,514,190 | 53,850 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $22,478,506 | 67,915 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $26,156,875 | 84,271 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $20,589,130 | 55,258 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $15,719,056 | 43,994 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $17,710,784 | 51,245 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $13,604,922 | 47,876 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $8,114,386 | 32,796 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $6,366,644 | 32,536 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $8,990,053 | 49,834 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $6,254,509 | 34,356 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||