Position in IDXX
as of Mar 31, 2026
· filed May 1, 2026
Position Value
$94,499,222
-$19,348,599 QoQ
Shares Held
168,181
-0.1% QoQ
Ownership
0.213%
of shares outstanding
% of Portfolio
1.34%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 98.12761251270952.ToString("F0")%
Shared 0.ToString("F0")%
None 1.8723874872904789.ToString("F0")%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Welch & Forbes LLC holds $331,978,026 across 7 Diagnostics & Research names. IDXX ranks #2 (28.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
612,657 | $116,159,767 | |
| 2 | IDXX |
Idexx Laboratories Inc /De
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|
168,181 | $94,499,222 | |
| 3 | MTD |
Mettler Toledo International Inc/
|
58,807 | $74,167,388 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
|
88,934 | $43,713,729 | |
| 5 | WAT |
Waters Corp /De/
|
7,601 | $2,263,577 | |
| 6 | ICLR |
Icon PLC
|
8,605 | $952,229 | |
| 7 | ILMN |
Illumina, Inc.
|
1,802 | $222,114 |
All Filings in IDXX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $94,499,222 | 168,181 | Shares | Sole | 2026-05-01 | |
| 2025-12-31 | $113,847,821 | 168,282 | Shares | Sole | 2026-02-10 | |
| 2025-09-30 | $107,925,132 | 168,926 | Shares | Sole | 2025-11-04 | |
| 2025-06-30 | $90,650,577 | 169,017 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $71,326,827 | 169,846 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $70,003,247 | 169,319 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $85,501,917 | 169,237 | Shares | Sole | 2024-11-04 | |
| 2024-06-30 | $82,688,071 | 169,721 | Shares | Sole | 2024-08-02 | |
| 2024-03-31 | $91,910,124 | 170,226 | Shares | Sole | 2024-05-03 | |
| 2023-12-31 | $95,086,170 | 171,311 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $75,398,028 | 172,429 | Shares | Sole | 2023-11-03 | |
| 2023-06-30 | $87,039,472 | 173,306 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $87,220,953 | 174,414 | Shares | Sole | 2023-04-14 | |
| 2022-12-31 | $71,905,805 | 176,257 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $58,165,399 | 178,531 | Shares | Sole | 2022-10-31 | |
| 2022-06-30 | $62,781,371 | 179,002 | Shares | Sole | 2022-07-22 | |
| 2022-03-31 | $97,815,969 | 178,803 | Shares | Sole | 2022-04-25 | |
| 2021-12-31 | $114,896,002 | 174,492 | Shares | Sole | 2022-01-19 | |
| 2021-09-30 | $109,024,667 | 175,309 | Shares | Sole | 2021-10-13 | |
| 2021-06-30 | $111,943,500 | 177,252 | Shares | Sole | 2021-07-22 | |
| 2021-03-31 | $86,978,766 | 177,758 | Shares | Sole | 2021-04-14 | |
| 2020-12-31 | $89,819,640 | 179,686 | Shares | Sole | 2021-01-20 | |
| 2020-09-30 | $71,177,282 | 181,062 | Shares | Sole | 2020-10-23 | |
| 2020-06-30 | $60,309,666 | 182,668 | Shares | Sole | 2020-07-15 | |
| 2020-03-31 | $43,893,645 | 181,199 | Shares | Sole | 2020-04-17 | |
| No filing history on record for this holder in this stock. | ||||||