Position in WAT
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$142,429,103
+$142,227,225 QoQ
Shares Held
478,271
+73254.4% QoQ
Ownership
0.487%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
14 quarters on record
Voting authority
Sole 97.72555726774151.ToString("F0")%
Shared 0.ToString("F0")%
None 2.2744427322584895.ToString("F0")%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Clearbridge Investments, LLC holds $1,608,900,905 across 9 Diagnostics & Research names. WAT ranks #4 (8.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
1,610,697 | $791,705,896 | |
| 2 | NTRA |
Natera, Inc.
|
893,322 | $178,655,466 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
308,477 | $173,330,141 | |
| 4 | WAT |
Waters Corp /De/
This page
|
478,271 | $142,429,103 | |
| 5 | CRL |
Charles River Laboratories International, Inc.
|
632,624 | $109,127,640 | |
| 6 | MEDP |
Medpace Holdings, Inc.
|
175,966 | $84,497,113 | |
| 7 | RDNT |
RadNet, Inc.
|
1,278,540 | $71,457,600 | |
| 8 | DHR |
Danaher Corp /De/
|
264,855 | $50,216,508 |
All Filings in WAT
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $142,429,103 | 478,271 | Shares | Sole | 2026-05-13 | |
| 2023-03-31 | $201,878 | 652 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $276,119 | 806 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $343,111 | 1,273 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $421,337 | 1,273 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $395,126 | 1,273 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $562,626 | 1,510 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $682,443 | 1,910 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $769,327 | 2,226 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $646,770 | 2,276 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $654,673 | 2,646 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $530,488 | 2,711 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $514,320 | 2,851 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $745,858 | 4,097 | Shares | Defined | 2020-05-22 | |
| No filing history on record for this holder in this stock. | ||||||