Position in WAT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$359,663
+$74,371 QoQ
Shares Held
959
+0.1% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#688
of 1,179 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority
Sole 97%
Shared 0%
None 3%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026MAIRS & POWER INC holds $56,427,032 across 6 Diagnostics & Research names. WAT ranks #5 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MEDP |
Medpace Holdings, Inc.
|
86,715 | $45,923,396 | |
| 2 | RDNT |
RadNet, Inc.
|
133,116 | $8,209,263 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
2,080 | $1,094,995 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
|
1,241 | $622,187 | |
| 5 | WAT |
Waters Corp /De/
This page
|
959 | $359,663 | |
| 6 | DHR |
Danaher Corp /De/
|
1,142 | $217,528 |
All Filings in WAT
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $359,663 | 959 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $285,292 | 958 | Shares | Sole | 2026-05-14 | |
| No filing history on record for this holder in this stock. | ||||||