Position in WAT
as of Jun 30, 2026
· filed Aug 10, 2026
Position Value
$104,957,194
+$23,762,322 QoQ
Shares Held
279,856
+2.6% QoQ
Ownership
0.285%
of shares outstanding
% of Portfolio
1.46%
of 13F equity value
Holder Rank
#58
of 1,177 holders
Holding Since
Jun 2023
13 quarters on record
Voting authority
Sole 95%
Shared 0%
None 5%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Madison Asset Management, LLC holds $540,546,815 across 6 Diagnostics & Research names. WAT ranks #3 (19.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LH |
Labcorp Holdings Inc.
|
476,643 | $133,460,040 | |
| 2 | MEDP |
Medpace Holdings, Inc.
|
243,502 | $128,956,224 | |
| 3 | WAT |
Waters Corp /De/
This page
|
279,856 | $104,957,194 | |
| 4 | DHR |
Danaher Corp /De/
|
448,611 | $85,451,423 | |
| 5 | A |
Agilent Technologies, Inc.
|
631,763 | $83,917,079 | |
| 6 | CRL |
Charles River Laboratories International, Inc.
|
16,777 | $3,804,855 |
All Filings in WAT
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13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $104,957,194 | 279,856 | Shares | Sole | 2026-08-10 | |
| 2026-03-31 | $81,194,872 | 272,649 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $111,352,482 | 293,164 | Shares | Sole | 2026-02-04 | |
| 2025-09-30 | $92,249,438 | 307,693 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $108,990,881 | 312,259 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $114,005,703 | 309,319 | Shares | Sole | 2025-05-06 | |
| 2024-12-31 | $104,644,554 | 282,076 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $92,805,194 | 257,871 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $68,130,910 | 234,837 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $73,778,471 | 214,329 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $61,725,028 | 187,483 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $40,453,927 | 147,529 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $38,561,941 | 144,676 | Shares | Sole | 2023-08-01 | |
| No filing history on record for this holder in this stock. | ||||||