Position in TMO
as of Mar 31, 2026
· filed Apr 24, 2026
Position Value
$29,379,730
+$3,899,576 QoQ
Shares Held
59,772
+35.9% QoQ
Ownership
0.016%
of shares outstanding
% of Portfolio
0.25%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 83.24466305293448.ToString("F0")%
Shared 0.ToString("F0")%
None 16.755336947065516.ToString("F0")%
Common Shares in TMO 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. TMO ranks #5 (10.8% 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.
This page
|
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 TMO
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $29,379,730 | 59,772 | Shares | Defined | 2026-04-24 | |
| 2025-12-31 | $25,480,154 | 43,973 | Shares | Defined | 2026-01-28 | |
| 2025-09-30 | $19,449,302 | 40,100 | Shares | Defined | 2025-10-17 | |
| 2025-06-30 | $1,022,570 | 2,522 | Shares | Defined | 2025-07-28 | |
| 2025-03-31 | $1,020,577 | 2,051 | Shares | Defined | 2025-04-21 | |
| 2024-12-31 | $1,066,991 | 2,051 | Shares | Defined | 2025-01-24 | |
| 2024-09-30 | $1,289,718 | 2,085 | Shares | Defined | 2024-10-24 | |
| 2024-06-30 | $1,138,627 | 2,059 | Shares | Defined | 2024-07-19 | |
| 2024-03-31 | $1,222,284 | 2,103 | Shares | Defined | 2024-04-22 | |
| 2023-12-31 | $1,143,852 | 2,155 | Shares | Defined | 2024-01-24 | |
| 2023-09-30 | $1,076,623 | 2,127 | Shares | Defined | 2023-10-18 | |
| 2023-06-30 | $1,109,762 | 2,127 | Shares | Defined | 2023-07-24 | |
| 2023-03-31 | $1,113,546 | 1,932 | Shares | Defined | 2023-04-19 | |
| 2022-12-31 | $1,063,933 | 1,932 | Shares | Defined | 2023-01-20 | |
| 2022-09-30 | $649,710 | 1,281 | Shares | Defined | 2022-10-19 | |
| 2022-06-30 | $695,941 | 1,281 | Shares | Defined | 2022-07-22 | |
| 2022-03-31 | $751,306 | 1,272 | Shares | Defined | 2022-04-20 | |
| 2021-12-31 | $848,729 | 1,272 | Shares | Defined | 2022-01-21 | |
| 2021-09-30 | $629,605 | 1,102 | Shares | Defined | 2021-10-25 | |
| 2021-06-30 | $521,117 | 1,033 | Shares | Defined | 2021-07-22 | |
| 2021-03-31 | $471,440 | 1,033 | Shares | Defined | 2021-04-21 | |
| 2020-12-31 | $481,150 | 1,033 | Shares | Defined | 2021-01-15 | |
| 2020-09-30 | $434,014 | 983 | Shares | Defined | 2020-10-14 | |
| 2020-06-30 | $370,311 | 1,022 | Shares | Defined | 2020-07-23 | |
| 2020-03-31 | $289,839 | 1,022 | Shares | Defined | 2020-04-24 | |
| No filing history on record for this holder in this stock. | ||||||