T. Rowe Price Investment Management, Inc.
Position in WAT — Waters Corp /De/
CIK 1897612
BALTIMORE, MD
Position in WAT
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,388,903,166
+$1,337,803,877 QoQ
Shares Held
4,663,879
+3366.7% QoQ
Ownership
4.75%
of shares outstanding
% of Portfolio
0.97%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2025
3 quarters on record
Voting authority
Sole 93.87636343052638.ToString("F0")%
Shared 0.ToString("F0")%
None 6.123636569473607.ToString("F0")%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026T. Rowe Price Investment Management, Inc. holds $6,542,644,824 across 13 Diagnostics & Research names. WAT ranks #2 (21.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVTY |
Revvity, Inc.
|
22,198,422 | $1,944,803,751 | |
| 2 | WAT |
Waters Corp /De/
This page
|
4,663,879 | $1,388,903,166 | |
| 3 | A |
Agilent Technologies, Inc.
|
8,992,649 | $1,024,982,133 | |
| 4 | MTD |
Mettler Toledo International Inc/
|
732,053 | $923,265,243 | |
| 5 | DHR |
Danaher Corp /De/
|
3,784,809 | $717,599,786 | |
| 6 | NTRA |
Natera, Inc.
|
1,130,820 | $226,152,691 | |
| 7 | SHC |
Sotera Health Co
|
9,125,621 | $130,861,405 | |
| 8 | GH |
Guardant Health, Inc.
|
755,707 | $69,804,655 |
All Filings in WAT
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,388,903,166 | 4,663,879 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $51,099,289 | 134,532 | Shares | Sole | 2026-02-19 | |
| 2025-09-30 | $54,344,160 | 181,262 | Shares | Sole | 2025-11-14 | |
| No filing history on record for this holder in this stock. | ||||||