Position in A
as of Mar 31, 2026
· filed Apr 24, 2026
Position Value
$22,047,949
-$6,238,417 QoQ
Shares Held
193,437
-6.9% QoQ
Ownership
0.068%
of shares outstanding
% of Portfolio
0.19%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 73.16077069019887.ToString("F0")%
Shared 0.ToString("F0")%
None 26.839229309801123.ToString("F0")%
Common Shares in A 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. A ranks #6 (8.1% 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/
|
105,541 | $31,430,109 | |
| 5 | TMO |
Thermo Fisher Scientific Inc.
|
59,772 | $29,379,730 | |
| 6 | A |
Agilent Technologies, Inc.
This page
|
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 A
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $22,047,949 | 193,437 | Shares | Defined | 2026-04-24 | |
| 2025-12-31 | $28,286,366 | 207,881 | Shares | Defined | 2026-01-28 | |
| 2025-09-30 | $29,489,823 | 229,761 | Shares | Defined | 2025-10-17 | |
| 2025-06-30 | $32,864,840 | 278,492 | Shares | Defined | 2025-07-28 | |
| 2025-03-31 | $43,478,306 | 371,673 | Shares | Defined | 2025-04-21 | |
| 2024-12-31 | $51,738,632 | 385,132 | Shares | Defined | 2025-01-24 | |
| 2024-09-30 | $59,726,673 | 402,254 | Shares | Defined | 2024-10-24 | |
| 2024-06-30 | $52,889,946 | 408,007 | Shares | Defined | 2024-07-19 | |
| 2024-03-31 | $59,380,739 | 408,087 | Shares | Defined | 2024-04-22 | |
| 2023-12-31 | $56,211,914 | 404,315 | Shares | Defined | 2024-01-24 | |
| 2023-09-30 | $48,666,075 | 435,218 | Shares | Defined | 2023-10-18 | |
| 2023-06-30 | $52,204,853 | 434,136 | Shares | Defined | 2023-07-24 | |
| 2023-03-31 | $57,503,510 | 415,668 | Shares | Defined | 2023-04-19 | |
| 2022-12-31 | $60,771,218 | 406,089 | Shares | Defined | 2023-01-20 | |
| 2022-09-30 | $44,141,611 | 363,156 | Shares | Defined | 2022-10-19 | |
| 2022-06-30 | $37,621,940 | 316,763 | Shares | Defined | 2022-07-22 | |
| 2022-03-31 | $8,573,924 | 64,792 | Shares | Defined | 2022-04-20 | |
| 2021-12-31 | $10,206,743 | 63,932 | Shares | Defined | 2022-01-21 | |
| 2021-09-30 | $10,728,895 | 68,107 | Shares | Defined | 2021-10-25 | |
| 2021-06-30 | $10,131,931 | 68,547 | Shares | Defined | 2021-07-22 | |
| 2021-03-31 | $8,721,804 | 68,600 | Shares | Defined | 2021-04-21 | |
| 2020-12-31 | $8,627,493 | 72,812 | Shares | Defined | 2021-01-15 | |
| 2020-09-30 | $7,397,084 | 73,282 | Shares | Defined | 2020-10-14 | |
| 2020-06-30 | $6,604,066 | 74,732 | Shares | Defined | 2020-07-23 | |
| 2020-03-31 | $5,157,140 | 72,007 | Shares | Defined | 2020-04-24 | |
| No filing history on record for this holder in this stock. | ||||||