Position in WAT
as of Mar 31, 2026
· filed Apr 24, 2026
Position Value
$31,430,109
-$11,265,441 QoQ
Shares Held
105,541
-6.1% QoQ
Ownership
0.107%
of shares outstanding
% of Portfolio
0.27%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 99.50256298500109.ToString("F0")%
Shared 0.ToString("F0")%
None 0.4974370149989104.ToString("F0")%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Boston Trust Walden Corp holds $272,827,315 across 10 Diagnostics & Research names. WAT ranks #4 (11.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MEDP |
Medpace Holdings, Inc.
|
140,610 | $67,519,515 | |
| 2 | MTD |
Mettler Toledo International Inc/
|
41,696 | $52,586,995 | |
| 3 | CRL |
Charles River Laboratories International, Inc.
|
285,425 | $49,235,812 | |
| 4 | WAT |
Waters Corp /De/
This page
|
105,541 | $31,430,109 | |
| 5 | TMO |
Thermo Fisher Scientific Inc.
|
59,772 | $29,379,730 | |
| 6 | A |
Agilent Technologies, Inc.
|
193,437 | $22,047,949 | |
| 7 | DHR |
Danaher Corp /De/
|
43,495 | $8,246,652 | |
| 8 | IDXX |
Idexx Laboratories Inc /De
|
10,645 | $5,981,318 |
All Filings in WAT
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $31,430,109 | 105,541 | Shares | Defined | 2026-04-24 | |
| 2025-12-31 | $42,695,550 | 112,407 | Shares | Defined | 2026-01-28 | |
| 2025-09-30 | $36,691,946 | 122,384 | Shares | Defined | 2025-10-17 | |
| 2025-06-30 | $102,731,198 | 294,325 | Shares | Defined | 2025-07-28 | |
| 2025-03-31 | $106,074,445 | 287,800 | Shares | Defined | 2025-04-21 | |
| 2024-12-31 | $154,909,005 | 417,567 | Shares | Defined | 2025-01-24 | |
| 2024-09-30 | $169,838,928 | 471,919 | Shares | Defined | 2024-10-24 | |
| 2024-06-30 | $156,088,040 | 538,012 | Shares | Defined | 2024-07-19 | |
| 2024-03-31 | $188,341,657 | 547,139 | Shares | Defined | 2024-04-22 | |
| 2023-12-31 | $191,627,662 | 582,048 | Shares | Defined | 2024-01-24 | |
| 2023-09-30 | $156,710,466 | 571,498 | Shares | Defined | 2023-10-18 | |
| 2023-06-30 | $141,261,935 | 529,984 | Shares | Defined | 2023-07-24 | |
| 2023-03-31 | $123,264,012 | 398,101 | Shares | Defined | 2023-04-19 | |
| 2022-12-31 | $138,520,852 | 404,346 | Shares | Defined | 2023-01-20 | |
| 2022-09-30 | $105,655,490 | 391,999 | Shares | Defined | 2022-10-19 | |
| 2022-06-30 | $132,756,408 | 401,101 | Shares | Defined | 2022-07-22 | |
| 2022-03-31 | $120,836,998 | 389,307 | Shares | Defined | 2022-04-20 | |
| 2021-12-31 | $116,857,420 | 313,627 | Shares | Defined | 2022-01-21 | |
| 2021-09-30 | $112,806,040 | 315,718 | Shares | Defined | 2021-10-25 | |
| 2021-06-30 | $116,885,301 | 338,200 | Shares | Defined | 2021-07-22 | |
| 2021-03-31 | $109,958,159 | 386,945 | Shares | Defined | 2021-04-21 | |
| 2020-12-31 | $90,832,829 | 367,120 | Shares | Defined | 2021-01-15 | |
| 2020-09-30 | $67,548,344 | 345,198 | Shares | Defined | 2020-10-14 | |
| 2020-06-30 | $53,465,328 | 296,371 | Shares | Defined | 2020-07-23 | |
| 2020-03-31 | $51,708,753 | 284,036 | Shares | Defined | 2020-04-24 | |
| No filing history on record for this holder in this stock. | ||||||